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Experience with front-end technologies (HTML, CSS, JavaScript, Angular, React).

The Equity Finance Technology team are seeking a developer for the User Interface, located in Belfast.

Hi , Greetings from Ampstek !! We do have opening for our client, Role : Senior UI Developer (React & Angular) Location : Belfast, NI Duration : Permanent Job Description: Total IT Experience: 7 to 12 years • Angular / React UI developers with proficiency in Design Systems. Eg: Material UI, • Experience in using the Design system, • Strong experience with React 18+, TypeScript, and ES6., • Expertise in performance fine-tuning and optimization of front-end applications, • Hands-on experience with React Hooks such as useState, useEffect, useMemo, useCallback, and custom hooks., • Strong understanding of responsive design principles, patterns, and libraries such as Bootstrap., • Solid knowledge and hands-on experience in backend API integration, exception handling, and managing synchronous/asynchronous requests, • Proficient in HTML5, CSS3, and modern CSS frameworks like Tailwind CSS or Styled Components., • Strong experience with Application Security concepts such as Authentication, Authorization, and Data Security., • Experience in designing applications for multiple browsers and multiple resolutions, including mobile devices., • Strong experience in responsive design principles and patterns and libraries such as bootstrap., • Hands-on experience with code release processes, bundling, and packaging applications for production environments., • Strong skills in troubleshooting front-end issues and adhering to best practices., • Proven ability to develop reusable components/widgets and implement component-driven architecture and design principles., • Exposure to unit testing or testing automation frameworks for front-end validation., • Advanced experience with testing frameworks such as Jest, React Testing Library, Cypress, or Enzyme for unit, integration, and end-to-end testing., • Strong understanding of web accessibility standards (WCAG) and experience in building inclusive and accessible applications., • Experience in accessibility testing, • TFS (Team Foundation Server) familiarity will be an added advantage, • Working knowledge of Webpack, Vite, Create React App (CRA), and Agile Scrum Framework for efficient development, build optimization, and project management., • Familiarity with NGRX or RXJS frameworks, as well as Saga/Thunk patterns for state management and data transfer., • Exposure to micro-frontends architecture for modular UI development is an added advantage., • Good to have: Experience in Node.js backend development., • Familiarity with Continuous Integration methodologies and tools like Jenkins., • Good to have exposure to cloud CDN and static website hosting in AWS or Azure., • Excellent communication and presentation skills.

J2EE Software Engineers (Mid to Senior Developer roles available-100% remote Salary £50-80k + bonus About the Company: Our client is building the front-of-house payment gateway for a fast-growing, private, top-25 US payments company. The platform has a 19-year lineage with a clear architectural direction in J2EE, modernised with hybrid cloud (GCP + on-prem) for scale, security, and compliance (PCI-DSS). You'll join a distributed, long-tenured engineering team delivering high-throughput, highly available transaction systems used across the globe. The Role: As a J2EE Software Engineer, you'll design and develop server-side products and APIs on the payment gateway-owning your deliverables end-to-end: discovery ? design ? development ? automated tests ? release ? monitoring. You'll work in small, empowered teams using BDD/TDD and CI/CD, shipping resilient features for real merchants and real transactions. Key Responsibilities: * Design, implement, and maintain J2EE services and RESTful APIs (JAX-RS/RESTEasy). * Build robust persistence layers with JPA2/Hibernate on MySQL 8 (InnoDB). * Engineer scalable, fault-tolerant systems with clustered caching (Infinispan) and JGroups. * Contribute to deployment automation (Liquibase, Ansible) and CI/CD pipelines. * Write automated acceptance and regression tests within a BDD framework; partner closely with QA. * Participate in estimation, planning, code/design reviews, and production readiness & monitoring. * Collaborate across product, security, and ops to meet PCI-DSS and reliability goals. Essential Criteria: * Server-side product development with J2EE/Jakarta EE (not a Spring-only/microservices role). * Get hands-on with JBoss/WildFly application servers in production. * JPA2/Hibernate with MySQL 8 (InnoDB); strong SQL and database design. * Infinispan (or equivalent clustered cache) and understanding of JGroups. * JAX-RS/REST, API design, HTTP fundamentals, and secure web-app principles (PCI awareness). * Concurrency/multithreading and performance troubleshooting. * Tooling: Maven, CI/CD (Jenkins/GitLab/GitHub Actions), Liquibase, Ansible. * Practice with BDD/TDD; comfortable authoring automated tests. * SE II: ~3-6 years' experience. Senior: 8+ years with leadership/ownership stories. Nice to Have: * BigQuery, WebSockets, Pub/Sub (Kafka/RabbitMQ/SNS/SQS). * Docker/Kubernetes; GCP/AWS; Observability (metrics/logs/tracing). Why Join * Impact at scale: Core gateway that powers real-world payments across the globe. * Modernised J2EE: Stable architecture + contemporary engineering (IaC, automation, hybrid cloud). * End-to-end ownership: Small teams, big outcomes, minimal bureaucracy. * Distributed culture: Colleagues across IE, NI, UK, and EU; collaborative, low-ego environment. How to Apply: If you meet the criteria and want to build reliable, high-throughput payments systems, apply via this link. Alternatively, reach out to Phil Gamble for an informal chat via Linked-In or Whats-App. About Phil Gamble: Phil has 20+ years in tech recruitment across the US, UK, and Ireland, delivering on complex hiring campaigns for global software companies. He takes a personalised, hands-on approach and has a long track record of helping engineers land roles they love. Recent LinkedIn Testimonials: "I cannot recommend Phil and Ocho enough Phil is a professional who does not treat his candidates as resources" "Phil was by far the best recruiter I have ever dealt with I wouldn't hesitate to recommend Phil to my friends or colleagues." "Phil takes the time to understand what I'm looking for and he delivers." Skills: j2ee wildfly jboss jakarta Benefits: Work From Home

What You'll Do Design, build, and maintain web-based UIs with React and TypeScript Deliver production-grade code with a focus on automated testing (unit and integration) Collaborate with BAs, QA Engineers, and PMs to deliver business-aligned solutions Create prototypes and wireframes in Figma (or si

System Architect - Global Market Infrastructure | Belfast (Hybrid) Are you ready to help design and deliver the technology that powers global financial markets? Do you thrive in complex, enterprise-scale environments where architecture, innovation, and performance truly matter? My client is a world-leading provider of market infrastructure, giving institutions access to global financial and commodities markets. Through cutting-edge technology and responsible innovation, they connect clients to superior liquidity and data solutions. With operations across 60+ offices in 27 countries and a 5,000-strong global workforce, my client is building on a proud heritage of excellence and is now investing heavily in its Belfast technology hub to drive its next phase of growth. The Opportunity As a System Architect, you'll define and deliver the shared technical and architectural vision across multiple global engineering teams. Working closely with Product Managers, Release Train Engineers, and development teams, you'll ensure systems and applications are designed for scale, performance, and sustainability - aligning closely with business goals and enterprise standards. This role combines strategic architecture design with hands-on technical leadership, helping to shape modern, cloud-first solutions across a complex technology landscape. Key Responsibilities Define and communicate the architectural vision across multiple Agile teams, translating it into actionable Epics, Features, and Stories. Ensure solutions are aligned with enterprise architecture principles, business priorities, and evolving technical standards. Support DevOps practices, CI/CD pipelines, and contribute to release governance processes. Promote built-in quality and define key non-functional requirements (NFRs) such as scalability, security, and resilience. Collaborate with global teams to evolve design patterns, validate implementations, and embed sustainable engineering practices. Maintain architecture documentation, tools, and technical assets across the technology landscape. Experience & Competencies Essential Bachelor's degree in Computer Science, Systems Analysis, or equivalent experience. Extensive experience designing and delivering enterprise-scale software architectures. Strong grounding in architectural principles, modern systems design, and cloud-native technologies. Proven experience across front-end, back-end, or middleware solution development. Hands-on background with technologies such as C#, Java, JavaScript/TypeScript, or C++. Expertise in cloud platforms (AWS preferred, Azure or GCP also valuable), containerisation, and microservices. Deep understanding of APIs, integration patterns, and DevOps (CI/CD, infrastructure-as-code, Git). Experience working in Agile environments, ideally within large distributed teams. Strong leadership and communication skills, with the ability to mentor and influence technical teams. Solid understanding of security best practices - authentication, authorisation, and application security. Desirable Experience delivering technology solutions in financial or trading environments. Exposure to front-office or trader-facing systems. Knowledge of Scaled Agile Framework (SAFe). Familiarity with micro-frontend architecture and performance optimisation techniques. What's On Offer Competitive salary and annual performance bonus Hybrid working model with flexibility around office days Private healthcare, pension, and generous holiday allowance Opportunity to work on global-scale systems used across major markets Exposure to cutting-edge architecture, modern cloud technologies, and a world-class engineering culture This is a rare opportunity to join a global leader that is investing heavily in technology and innovation. You'll play a central role in shaping high-performance systems that underpin the world's financial infrastructure - all while helping build out a growing engineering presence in Belfast. If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly.

Senior Software Engineer - Node.js / TypeScript / Azure Location: Remote (Northern Ireland wide) Salary: £50,000 - £80,000 (depending on experience) Benefits: 8% pension, remote & flexible working Contract Type: Permanent The Opportunity We're partnering with a local, award-winning software company that designs and delivers bespoke digital solutions for major clients across multiple industries. They are now seeking an experienced Senior Software Engineer to join their high-performing team, working on large-scale, cloud-based applications that drive real business impact. You'll be a key contributor in shaping backend systems and APIs, ensuring they are scalable, reliable, and performant, while collaborating with talented engineers, designers, and product teams. The company offers a strong culture of innovation, autonomy, and collaboration, along with the flexibility of fully remote working across Northern Ireland. Key Responsibilities Design, develop, and maintain backend services using Node.js and TypeScript. Work with Azure cloud services to deliver scalable, cloud-native applications. Take ownership of key systems and projects from design through to deployment. Collaborate with cross-functional teams to deliver innovative solutions for clients. Break down complex requirements into clear, prioritised tasks. Ensure system reliability, scalability, and maintainability through best practices. Mentor junior engineers and contribute to a culture of technical excellence. Essential Skills & Experience Strong proficiency in JavaScript/TypeScript with Node.js on the server side. Proven track record delivering production-grade, maintainable software. Solid understanding of system architecture and cloud-native design. Hands-on experience with Azure cloud services (e.g., App Services, Functions, Cosmos DB, Kubernetes). Strong problem-solving and communication skills. Knowledge of databases (SQL/NoSQL). Experience writing unit, integration, and functional tests. Collaborative, team-oriented mindset with the ability to mentor others. Desirable Skills Experience working with APIs at scale. Familiarity with CI/CD pipelines. Exposure to front-end frameworks (React, Angular, etc.). Understanding of Agile methodologies. Experience working in high-availability or client-facing environments. Why Join? Work for an award-winning local company building bespoke software for major clients. Fully remote working across Northern Ireland with flexibility. Competitive salary of £50,000 - £80,000. Excellent benefits including 8% pension. A culture of ownership, innovation, and collaboration. Skills: Typescript Node.js Azure Benefits: Work From Home

The Opportunity We're working with a global software house to recruit a Staff JavaScript Engineer with strong expertise in modern front-end technologies. You'll be joining a 54-strong engineering team based in Northern Ireland, playing a pivotal role in leading the evolution of business-critical web applications into a single, unified platform built for scale, performance, and user impact. This role offers genuine ownership over architectural direction and technical standards, with the opportunity to shape how the front-end is delivered and experienced at scale. What You'll Be Doing Lead the design and development of a unified front-end experience using React and TypeScript Streamline and modernise several existing applications into one cohesive product Build shared libraries and reusable infrastructure for layout, theming, authentication, navigation, and onboarding Collaborate across design, product, and engineering to define scalable patterns and best practices Optimise performance, maintainability, and accessibility across large-scale interfaces Set the benchmark for testing, documentation, and code quality across the team Contribute to the growth of the wider engineering group through mentoring, pair programming, and knowledge sharing What We're Looking For Strong track record building production-grade applications with React and TypeScript Solid understanding of state management, modular component design, and scalable front-end architecture Skilled in designing and consuming RESTful or GraphQL APIs in collaborative environments Experience improving performance and reliability in large front-end codebases Comfortable owning large-scale initiatives and mentoring other engineers Excellent communicator with the ability to provide clear technical guidance across teams Bonus Points For: Familiarity with monorepos or shared component systems Experience with end-to-end testing frameworks (Cypress, Playwright) Proven delivery of large-scale refactors, design system integrations, or platform migrations What Success Looks Like You advocate for clean, consistent interfaces and thoughtful architecture You raise the bar for the entire engineering team by sharing knowledge and leading by example You take pride in solving real problems and shaping the experience for end users at scale You deliver maintainable, well-tested code and help others do the same Why Join? This is an opportunity to join a high-impact engineering group of 54 developers where quality and craft truly matter. You'll have autonomy, a strong voice in architectural decisions, and the backing of a company that values modern practices and developer experience. Interested? Reach out to Ryan Quinn on LinkedIn or submit your CV via the link below to explore this further. OCHO - Building Teams Skills: JavaScript AWS TypeScript

Full Stack Engineer (Java + React) Are you passionate about building scalable systems and crafting seamless user experiences? Do you want to work with modern technologies across both front-end and back-end development? My client is seeking a talented Full Stack Engineer with expertise in Java and Re

Key responsibilities Build, evolve and take ownership of React applications using component driven development and micro frontend patterns Work with cross functional partners to turn requirements into thoughtful UI solutions Improve performance and keep bundle sizes lean Put robust automated tests i

System Architect Are you a System Architect who thrives on solving complex technical challenges across global, enterprise-scale systems? Do you want to help shape the architectural vision of one of the worlds leading providers of market infrastructure? My client is looking for a System Architect to define and deliver the shared technical and architectural vision across global engineering teams. Youll play a key role in ensuring systems are scalable, secure, and aligned with business objectives working closely with Product Managers, Release Train Engineers, and feature teams to build the architectural runway that underpins large-scale financial technology solutions. What youll be doing Defining and communicating the overall architecture vision, translating it into Epics, Features, and Stories Ensuring solutions align with enterprise standards and evolving business needs Supporting DevOps practices, CI/CD pipelines, and contributing to release governance Driving built-in quality and managing non-functional requirements Collaborating with teams to validate design and implementation decisions Maintaining architectural documentation and system assets Providing technical leadership, guidance, and mentorship across engineering teams What youll need Extensive experience in software architecture and solution design across front-end, back-end, or middleware Strong technical foundation and proven ability to deliver enterprise-scale systems Hands-on experience with C#, Java, JavaScript/TypeScript, or C++ Proficiency in cloud platforms (AWS preferred), containerisation, and microservices Deep understanding of APIs, system integration, and DevOps practices (CI/CD, IaC, Git) Solid grasp of security best practices across application and cloud environments Strong leadership and communication skills, with the ability to influence and mentor others Experience working within Agile or SAFe environments Nice to have Experience with front-office or trader-facing systems Exposure to Inter-Dealer Broking environments Familiarity with micro-frontend architectures Background in optimising financial services technology solutions Why join Youll be joining a global business that sits at the heart of the worlds financial markets combining over a century of expertise with modern, data-driven innovation. Youll have real influence on the architectural direction of systems that power global liquidity, pricing, and data solutions. If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly.

We are looking for a concierge to join our team at the five-star Merchant Hotel, Belfast. When it comes to hospitality and customer service, we believe we are the best in the business. Therefore, we are looking for the best people to join our award-winning team. Working here means great opportunities for career progression and the chance to learn skills that are recognized worldwide. If youre ready for an exciting role with plenty of room to grow, wed love to hear from you! Whats in it for you Excellent service charge shared across the team. An overnight stay with dinner for two at The Merchant Hotel (subject to contract). Your birthday off! Paid breaks Essential Criteria: Front Office or reception experience. For insurance purposes the candidate must be over 25 and have a full UK driving licence. Desirable Criteria: Experience working within a five-star setting. Experience and confident in driving a range of high-end automatic and manual vehicles. Please email to request a job description to help you better understand this role and its potential fit for you. The Company reserves the right to apply an enhanced short-listing criterion. The Merchant Hotel is an equal opportunities employer. #INDOTH # concierge #driving #customer Benefits: £12.72 per hour

This position reports to the Global Markets Control Testing Programme Head, within the Markets Governance & Control Team; and is a strategic- and execution-oriented leadership role accountable for end-to-end control testing of controls owned by the Markets Front Office - which includes scoping, exec

We are hiring two experienced Frontend Developers to join our Accessibility Standards and Strategy team.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

As a front end developer, this is arguably one of the most complicated but rewarding projects you could work on, raising your profile and net worth as a software developer. We have a fantastic new opportunity for a Frontend Developer to work on the world's leading fixed-income e-trading systems. Wit

Gross salary starting at 1,500 EUR/month.Remote workplace (work from anywhere – you can chill in the Bahamas in your pyjamas!).We value health, awareness, consciousness and enjoy being Human.Position in one of the fastest-growing startups in Lithuania.Constant learning (500 EUR yearly budget for t

Full stack developer with Front- or Back- end specialization (Mid level, based in SA) – Join to apply for the Full stack developer with Front- or Back- end specialization (Mid level, based in SA) role at Dealstack. Full stack developer with Front- or Back- end specialization. Dealstack is a SaaS p

An understanding of lighthouse metrics and general frontend performance and optimization. Work closely with Backend developers on full stack solutions. Work with UX Designers to ensure the products meet the standards the end user is looking for.

Build web based Front End interfaces interacting with RESTful APIs using React, Next JS and other web technologies. A modern organisation which depends on its IT services to operate and innovate effectively. Proactively investigate problems and opportunities in existing processes, evaluating and com

Shifts: Monday - Friday 08:30 - 17:00.We are currently looking to recruit Warehouse Operatives.As a Warehouse Operative, you will play a key role in the smooth running of our operations by picking orders using forklifts (Counterbalance and/or Reach Truck), loading vehicles for delivery, and assistin

From early warning, to threat neutralisation, our platforms cover all levels from very short-range systems, to extended protection across the entire battle-space including Airspace Mobility Solutions, Vehicles and Tactical Systems and Missile Defence, Optronics, and Radar.

Lead Software Engineer (Alexander Bain House, Glasgow, United Kingdom)Recruiter: Luke ByrneHiring Manager: Guy Salernitano Career Grade: DInternal Closing Date: 07/10/25Why this job mattersYou will be an influential member of a co-located, multi-disciplinary team responsible for the descign, develo

From early warning, to threat neutralisation, our platforms cover all levels from very short-range systems, to extended protection across the entire battle-space including Airspace Mobility Solutions, Vehicles and Tactical Systems and Missile Defence, Optronics, and Radar.

Collaborate with frontend and backend teams to create seamless user experiences by integrating React. Understanding on frontend stack ex: node. Utilize Java and OOP concepts to build robust and scalable backend services and APIs.

Gather and translate business requirements and design end-to-end technical solutions to solve varied problem statements. Understand the end-to-end solution design process, including how your work fits into the bigger picture. Understand the end-to-end innovation process (ideation, prototyping, evalu

Executes work with minimal guidance to deliver an ambitious and compelling technical roadmap to meet the needs of the business, engineering team, and partner teamsContributes to the delivery of engineering and operational excellence initiatives, implementing metrics and process for regular assessmen

Perform trend analysis and identifying root causes Implementing or suggesting solutions based on the root cause analysis. Special discounts for employees, family, and friends. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, col

We are a responsible, sustainable business where equity, diversity and inclusion (ED&I) is at the forefront of our workplace culture agenda, and today, we continue to build and develop on our existing ED&I structure and strategy to meet our workplace culture needs. The role will include the support

Special discounts for employees, family, and friends. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any

Short-listed candidates will be invited to attend first stage interview to assess the candidates suitability for the role.

Stay current with the latest software development trends and AI/ML technologies. Special discounts for employees, family, and friends. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, ge

Enthusiastic, dependable, and committed to providing excellent client service. To speak in absolute confidence about this opportunity, please send an up-to-date CV via the link provided or contact Caoimhe at Honeycomb on. Your Package/Benefits: Salary £23,500 - £28,000 dependant on experience Attr

Strong front-end engineering skills: Typescript (JS), React, CSS, and data visualisation tools like d3. Special discounts for employees, family, and friends. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex,

Our group encompasses Henderson Wholesale, Henderson Retail, Henderson Foodservice and Henderson Group Property. Benefits include market competitive salary, contributory pension scheme, healthcare, life assurance, employee assistance programme, social club, Reward Gateway Employee Recognition & Disc

Special discounts for employees, family, and friends. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any

Frontend Software Developer with Javascript and HTML Our Client is looking to recruit Frontend Software Developer with at least 3 to 5 years experience of developing Frontend software with Javascript and HTML Working as part of the Digital team, you'll be responsible for and delivering some exci

Experience in end-to-end project delivery, with knowledge of analytical tools for visualisation (e. Institutional Credit Management (ICM) aims to provide integrated "end-to-end" credit underwriting, and management of risks for wholesale credit businesses across the enterprise. Act as the primary poi

Frontend Software Developer with React Working as part of the Digital team, you'll be responsible for and delivering some exciting frontend and UX improvements to an eCommerce website as well as other internal applications for this award-winning Luxury Travel Company. You will be responsible for:

Produce recommendations for enterprise-wide guiding principles, policies, processes and practices. Special discounts for employees, family, and friends. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexu

Our working approach, will enable you to have flexibility with your working hours, depending on your role and location. Job title: Senior Software Test Engineer Location: Isle of Wight - Cowes - Onsite only Salary: Up to £60,000 (dependent on skills and experience) What you'll be doing: Part

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. In addition, t

Potential candidates who do not have this right or permit, or are pending an application to obtain this right or permit should not apply as your details will not be processed.

Institutional Credit Management (ICM) aims to provide integrated "end-to-end" credit underwriting, and management of risks for wholesale credit businesses across the enterprise. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, c

Hybrid Working: We work a hybrid model - you'll spend some time working at home and some time collaborating face to face in a hub. We have a broad benefits package built around your work-life balance which includes: An award-winning environment and culture: Employer of the Year 2023 (Women In IT

Microservices Architecture: Understanding how to design, develop, and deploy independent, loosely coupled services, which is a common pattern for applications running on ECS. Special discounts for employees, family, and friends. Citi is an equal opportunity employer, and qualified candidates will re

You should have experience in some of the following: ? Programming: Java, Python, JavaScript (TypeScript), Go ? Frontend Frameworks: Vue. Join us and you?ll be part of an open, friendly community of experts.

The Technologies we are also rely on are (not role specific): · Java to write our backend services · Node.