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Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. We're looking for a sharp, execution-focused VP Product Designer who thrives in a fast-moving environment and brings a systems-first mindset to every pixel they push. A systems thinker who is detail-oriented, and highly collaborative. They balance strategic thinking with hands‑on execution and are passionate about creating scalable design solutions that improve both user experiences and team productivity. What You'll Do • Design and iterate on product experiences at speed, balancing quality with velocity in a high‑output, agile environment, • Build and maintain scalable design system components from the ground up — including tokens, variables, and Boolean logic — ensuring consistency across the product surface, • Collaborate closely with cross‑functional teams (engineering, product, research) to translate requirements into polished, production‑ready designs, • Own the developer handoff process — preparing clean, well‑annotated Figma files with clear specs, redlines, and component documentation that engineers can build from without back‑and‑forth, • Partner with QA during implementation reviews to catch design drift early, validate interaction states, and ensure the shipped product matches the intended design with precision, • Contribute to and evolve our component library, establishing clear naming conventions, states, and documentation for handoff, • Leverage AI‑powered design tools and workflows to accelerate ideation, prototyping, and iteration cycles, • Participate in design critiques, giving and receiving structured feedback to continuously raise the bar on craft and usability, • Maintain meticulous attention to detail across spacing, typography, color, interaction states, and accessibility standards What We're Looking For Core Skills & Mindset • Detail obsessed — you catch the 1px misalignment before anyone else does; consistency and precision are non‑negotiable for you, • Fast and focused — you thrive under tight timelines, can context‑switch without losing quality, and know how to prioritize ruthlessly, • Systems thinker — you design from the component up, not the page down; you understand how a single token change ripples across an entire product, • AI‑native — you actively use AI tools (Figma AI, Cursor, Midjourney, ChatGPT, etc.) to move faster and smarter, not as a crutch but as a force multiplier, • Collaborative by default — you treat engineers and QA as partners, not recipients; you show up to implementation reviews, answer spec questions promptly, and close the loop on every build Design Systems Expertise Hands‑on experience building or contributing to a design system in Figma (or equivalent), including: • Component architecture — variants, auto layout, nested components, • Variables & tokens — color, spacing, typography, and semantic token structures, • Boolean properties — toggling states, visibility, and conditional logic within components, • Familiarity with token management tools (e.g., Style Dictionary, Tokens Studio) is a plus, • Understanding of how design tokens translate to code (CSS custom properties, JSON exports) Technical Fluency • Proficient in Figma — including advanced prototyping, component logic, and dev mode handoff, • Comfortable reviewing front‑end implementations and flagging design drift, • Basic understanding of HTML/CSS is a plus — enough to have informed conversations with engineers and validate spacing, typography, and layout in the browser Qualifications • Significant commercial experience in Product Design, UX, Design Systems, or related fields., • Proven experience building and scaling enterprise design systems., • Strong expertise in Figma, including components, variants, variables, tokens, and developer handoff., • Experience designing AI‑powered products, copilots, conversational interfaces, or intelligent workflows., • Knowledge of accessibility standards (WCAG/ADA) and user‑centered design principles., • Strong collaboration skills across Product, Engineering, Research, and business teams., • Working knowledge of HTML/CSS and design‑to‑code workflows., • Experience in financial services or other regulated industries preferred., • Experience with Storybook or similar component documentation tools, • Portfolio demonstrating component‑level design thinking, not just final screens — bonus points if it includes handoff artifacts or QA comparison examples Nice to Have • Experience working in a startup or fast‑paced product team, • Exposure to motion design or micro‑interaction principles What we'll provide you By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: • 27 days annual leave (plus bank holidays), • A discretional annual performance related bonus, • Private Medical Care & Life Insurance, • Employee Assistance Program, • Pension Plan, • Paid Parental Leave, • Special discounts for employees, family, and friends, • Access to an array of learning and development resources Visit ourGlobal Benefitspage to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive. #LI-MR7 Technology Digital Design Engineering Full time Please see the requirements listed above. For complementary skills, please see above and/or contact the recruiter. 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. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster. #J-18808-Ljbffr

Job Title: Experienced Full Stack .NET Engineer Location: Belfast, Northern Ireland Work Arrangement: Hybrid We are seeking an experiencedAI-enabled.NET full-stack engineer who can quickly understand our existing codebase and significantly contribute to the development of complex, innovative solutions in our fast-paced fintech environment. As a key member of ourengineeringteam, you will take ownership ofsignificant features, driving them from conception to deployment. We need a versatile ‘Swiss Army Knife’—a engineer who is comfortable across the entire SDLC, from architectural design and implementation to testing and deployment. Your experience andexpertisewill be vital in delivering high-quality, robust solutions. Join our growing team and make a substantial impact on our platform! Recently ranked #482on the Inc. 5000 fastest growing companies in the United States, Biller Genie is an award-winning B2B SaaS platform that is entering the Belfast market with ambitious plans to scale our team rapidly, with over 100 hires planned through 2028. We are an AI-enabled engineering team, and we believe the future is about empowering engineers with the latest tools,building through custom skills, agents, and harnesses, and we are looking for people who embrace AI, are excited about the future, and want to help shape the way we embed AI tooling throughout our developer experience. • Design & build future-proof solutions to support growing business needs while thoroughly considering the system impact, • Work closely with our senior engineers to develop solutions from idea to implementation by estimating, planning,trackingand managing progress, risks, and dependencies., • Gather and refine requirements, and release software ina timelyfashion, • Be adaptive and strike a good balance between speed and efficiency, • Work with our technical support team toidentify, reproduce, and remediate bug tickets, • Build and deliver features through agentic tooling — designing, iterating on, and improving our custom skills, agents, and harnesses as part of the work, • Contribute prompts, skills, and workflow improvements back to the team so our AI-enabled developer experience compounds, • Perform other duties required by Management, • BSc or MSc in Computer Science / related qualification OR commercial experience of developing in C#,Javaor other OO programming languages, • Minimum 5 years of hands-on commercial experience programming on the .NET platform using C#, including ASP.NET (MVC), • Experience with Design Patterns, refactoring, OODesignand related areas, • Practicalhands-onexperience with AIcoding assistantsand agentic engineeringworkflows, and a genuine appetite to work primarily through agents — owning architecture, review, and quality rather than typing every line, • Exposure to building web services using Web API, • An understanding of database design and development, • Hands-on experience with HTML, JavaScript, CSS including jQuery, • Strong attention to detail and work ethic, • Strong analytical and problem-solving skills, • Excellent communication (both written and verbal) and interpersonal skills, • Experience of cloud technologies such as Azure/AWS/GCP, • Previousexperience working with source control tools (TFS, SVN, or GIT), • Legal right to work in the UK, • Experience with Azure Functions and Queues, • Experience building custom agent skills, harnesses, MCP servers, or prompt libraries, • Experience defining evals, guardrails, or review practices for AI-generated code, • Experience in testing methodologies, • Experience of LEAN software development practices, • Knowledge of CI/CD systems and implementation practicesHands-on experience with front-end frameworks such as Bootstrap, • Knowledge on .NET Core and Entity framework Code First migrations, • Proficient with Claude or Claude Code, • Experience in Financial services industry, • Private health insurance, • Group life death benefit, • Auto-enrollment pension with employer contributions matched to 5%, • 25 days holiday per year, • 10 statutory/bank holidays per year, • Opportunities for professional growth and development, • A collaborative and innovative work environment To provide an automated A/R platform that seamlessly integrates existing business processes for the SMB market. Get Shit Done Right - We work hard and ensure tasks are completed correctly and on time, every time. Own it - We are subject matter experts who know what we know, and we are confident enough to speak up when we see something wrong. Catch Up - We are high performers and love a fast-paced environment. Believe in the Genie - We are passionate about where we are going as a team, and we show we care. Class Shines - We are articulate professionals who carry ourselves well and speak with purpose. Our engineers work with agents and harnesses as a default, not an experiment. Our interview process includesa practicalexercise using AI tooling. If that sounds like the way you want to build, you will thrive here; if you would rather write every line by hand, this islikely notthe right fit. Please note we are unable to offer visa sponsorship. #J-18808-Ljbffr

Falconsmartit in Belfast, UK, seeks a Senior Framework Architect (React) to lead the development of the React UI Library for our internal Design System. You will work with the Design and Technology teams to ensure the framework is stable, scalable and aligned with our design standards. The role requires 5–10 years of experience with TypeScript, React and design systems, plus strong knowledge of HTML/CSS. Expect collaboration across squads, agile processes and modern tooling such as Bitbucket, #J-18808-Ljbffr

At System C, we create technology that connects care and improves outcomes across the NHS. Our CIS Oncology (ChemoCare) product plays a critical role in supporting chemotherapy treatment management nationwide, and we are continuing to invest in its safety, quality, and long-term evolution. The Senior Developer role sits within the CIS Oncology product suite (ChemoCare), which supports the management of chemotherapy treatment across the NHS. ChemoCare is a market leading product in its field, with a forward looking programme of work to ensure it continues to provide safe, effective, and valued support to NHS customers. This is a senior individual contributor role, intended for an experienced developer who enjoys hands on work. The role supports reliable delivery, good engineering practice, and ownership of more complex areas of the product. • Designing, developing, and maintaining software within the CIS Oncology (ChemoCare) product suite, • Owning complex features or technical areas through design, implementation, and handover into testing and release, • Making technical decisions and escalating risks or trade-offs where needed., • Contributing to the technical direction of the ChemoCare product suite, balancing near term delivery with longer term maintainability, • Working closely with the QA team to support effective testing, defect resolution, and overall product quality, • Ensuring code is clear, maintainable, and appropriately tested, in line with agreed development standards, • Reviewing code written by others and providing practical, constructive feedback, • Supporting and mentoring less experienced developers as part of normal team working, • Providing 3rd line support (as part of a shared team responsibility) for the ChemoCare product, including investigation and resolution of complex defects where required, • Strong professional experience with C# and ASP.NET MVC, • Strong SQL Server experience, • Experience in developing with for the web: JavaScript, HTML, CSS, • Knowledge of principles of writing mobile apps and deployment on apple and android app stores, • Experience using GitHub for source control and collaboration, • Strong analytical and problem-solving skills both at a strategic and tactical level, • Experience working with complex or long-lived codebases, • Confidence contributing to technical design and making informed trade-offs, • A pragmatic, calm approach when dealing with ambiguity or pressure, • Clear communication, including explaining technical constraints to non-technical stakeholders, • Significant commercial experience operating at senior developer level in both back-end and front-end areas, • Experience with React Native or React, or equivalent frameworks, • Experience in writing automated unit tests using NUNIT, • Good understanding of waterfall, agile and scrum development methodologies, and their practical application., • Experience in .NET 10 and other latest technologies including AI integration, • Experience in TypeScript You will work on software that genuinely matters, alongside people who value collaboration, ownership, and integrity. We support flexible working, encourage reflective practice, and value those who are comfortable navigating change while keeping quality and patient safety at the forefront. Apply today and help us continue to deliver technology that supports better care across the NHS. #J-18808-Ljbffr

At System C, we create technology that connects care and improves outcomes across the NHS. Our CIS Oncology (ChemoCare) product plays a critical role in supporting chemotherapy treatment management nationwide, and we are continuing to invest in its safety, quality, and long-term evolution. The Senior Developer role sits within the CIS Oncology product suite (ChemoCare), which supports the management of chemotherapy treatment across the NHS. ChemoCare is a market leading product in its field, with a forward looking programme of work to ensure it continues to provide safe, effective, and valued support to NHS customers. This is a senior individual contributor role, intended for an experienced developer who enjoys hands on work. The role supports reliable delivery, good engineering practice, and ownership of more complex areas of the product. • Designing, developing, and maintaining software within the CIS Oncology (ChemoCare) product suite, • Owning complex features or technical areas through design, implementation, and handover into testing and release, • Making technical decisions and escalating risks or trade‑offs where needed., • Contributing to the technical direction of the ChemoCare product suite, balancing near term delivery with longer term maintainability, • Working closely with the QA team to support effective testing, defect resolution, and overall product quality, • Ensuring code is clear, maintainable, and appropriately tested, in line with agreed development standards, • Reviewing code written by others and providing practical, constructive feedback, • Supporting and mentoring less experienced developers as part of normal team working, • Providing 3rd line support (as part of a shared team responsibility) for the ChemoCare product, including investigation and resolution of complex defects where required, • Strong professional experience with C# and ASP.NET MVC, • Strong SQL Server experience, • Experience in developing with for the web: JavaScript, HTML, CSS, • Knowledge of principles of writing mobile apps and deployment on apple and android app stores, • Experience using GitHub for source control and collaboration, • Strong analytical and problem‑solving skills both at a strategic and tactical level, • Experience working with complex or long‑lived codebases, • Confidence contributing to technical design and making informed trade‑offs, • A pragmatic, calm approach when dealing with ambiguity or pressure, • Clear communication, including explaining technical constraints to non‑technical stakeholders, • Significant commercial experience operating at senior developer level in both back‑end and front‑end areas, • Experience with React Native or React, or equivalent frameworks, • Experience in writing automated unit tests using NUNIT, • Good understanding of waterfall, agile and scrum development methodologies, and their practical application., • Experience in .NET 10 and other latest technologies including AI integration, • Experience in TypeScript You will work on software that genuinely matters, alongside people who value collaboration, ownership, and integrity. We support flexible working, encourage reflective practice, and value those who are comfortable navigating change while keeping quality and patient safety at the forefront. Apply today and help us continue to deliver technology that supports better care across the NHS. #J-18808-Ljbffr

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. We're looking for a sharp, execution-focused VP Product Designer who thrives in a fast-moving environment and brings a systems-first mindset to every pixel they push. A systems thinker who is detail-oriented, and highly collaborative. They balance strategic thinking with hands-on execution and are passionate about creating scalable design solutions that improve both user experiences and team productivity. • Design and iterate on product experiences at speed, balancing quality with velocity in a high-output, agile environment, • Build and maintain scalable design system components from the ground up - including tokens, variables, and Boolean logic - ensuring consistency across the product surface, • Collaborate closely with cross-functional teams (engineering, product, research) to translate requirements into polished, production-ready designs, • Own the developer handoff process - preparing clean, well-annotated Figma files with clear specs, redlines, and component documentation that engineers can build from without back-and-forth, • Partner with QA during implementation reviews to catch design drift early, validate interaction states, and ensure the shipped product matches the intended design with precision, • Contribute to and evolve our component library, establishing clear naming conventions, states, and documentation for handoff, • Leverage AI-powered design tools and workflows to accelerate ideation, prototyping, and iteration cycles, • Participate in design critiques, giving and receiving structured feedback to continuously raise the bar on craft and usability, • Maintain meticulous attention to detail across spacing, typography, color, interaction states, and accessibility standards, • Detail obsessed - you catch the 1px misalignment before anyone else does; consistency and precision are non-negotiable for you, • Fast and focused - you thrive under tight timelines, can context-switch without losing quality, and know how to prioritize ruthlessly, • Systems thinker - you design from the component up, not the page down; you understand how a single token change ripples across an entire product, • AI-native - you actively use AI tools (Figma AI, Cursor, Midjourney, ChatGPT, etc.) to move faster and smarter, not as a crutch but as a force multiplier, • Collaborative by default - you treat engineers and QA as partners, not recipients; you show up to implementation reviews, answer spec questions promptly, and close the loop on every build, • Component architecture - variants, auto layout, nested components, • Variables & tokens - color, spacing, typography, and semantic token structures, • Boolean properties - toggling states, visibility, and conditional logic within components, • Familiarity with token management tools (e.g., Style Dictionary, Tokens Studio) is a plus, • Understanding of how design tokens translate to code (CSS custom properties, JSON exports), • Proficient in Figma - including advanced prototyping, component logic, and dev mode handoff, • Comfortable reviewing front-end implementations and flagging design drift, • Basic understanding of HTML/CSS is a plus - enough to have informed conversations with engineers and validate spacing, typography, and layout in the browser, • Significant commercial experience in Product Design, UX, Design Systems, or related fields., • Proven experience building and scaling enterprise design systems., • Strong expertise in Figma, including components, variants, variables, tokens, and developer handoff., • Experience designing AI-powered products, copilots, conversational interfaces, or intelligent workflows., • Knowledge of accessibility standards (WCAG/ADA) and user-centered design principles., • Strong collaboration skills across Product, Engineering, Research, and business teams., • Working knowledge of HTML/CSS and design-to-code workflows., • Experience in financial services or other regulated industries preferred., • Experience with Storybook or similar component documentation tools, • Portfolio demonstrating component-level design thinking, not just final screens - bonus points if it includes handoff artifacts or QA comparison examples, • Experience working in a startup or fast-paced product team, • Exposure to motion design or micro-interaction principles, • 27 days annual leave (plus bank holidays), • A discretional annual performance related bonus, • Private Medical Care & Life Insurance, • Employee Assistance Program, • Pension Plan, • Paid Parental Leave, • Special discounts for employees, family, and friends, • Access to an array of learning and development resources Visit our Global Benefits page to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive. 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. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi's EEO Policy Statement and the Know Your Rights poster. #J-18808-Ljbffr

Prolific is looking for Senior HTML/CSS Developers to join our Expert Network in Belfast, UK.

Senior UI Engineer Engineering Team Lead Hybrid – minimum 2 day per week in Belfast office Belfast, Northern Ireland (Role is NI based. Candidate must have right to live and work in UK) Negotiable Congruity360 is headquartered in Boston with employees across the US, England and Northern Ireland. The Congruity360 flagship product, Classify360, enables clients to reduce their financial and data risk by increasing their data understanding, classification, and security, allowing clients to meet all of the current, new, and changing laws, regulations, and business drivers. In other words, making intelligent business decisions. A new product offering is emerging from concept phase, which expands our solution set from compliance and data governance into cybersecurity. This role offers the opportunity to work in emerging technologies with a primary focus on a React skillset. The successful candidate will be an integral part of a dynamic team, coding in a fast-paced development environment, generating creative solutions to solve customer needs and challenges. The successful candidate will be actively involved in driving technical decisions within the team, with a desire to produce high quality software to provide a superior client experience. • A University degree (or equivalent) in Computer Science, Mathematics, Physics, or related field, • 5+ years relevant software engineering and development experience, • Proactive attitude with great communications skills, attention to detail, self-motivated, and the ability to work well with people are essential, • 5+ years Typescript/JavaScript, • 3+ years React, • UX experience working with designers / product managers to translate requirements into intuitive interfaces, • Accessible, responsive UI development, including practical knowledge of WCAG and semantic HTML, • Experience with component libraries (React Aria, Radix or similar) and Tailwind CSS or comparable, • Experience with data-rich interfaces, including large tables, charts and visualisations, • Frontend performance optimisation, particularly for complex interfaces and large datasets, • Consuming and shaping REST APIs; state management for complex, long-lived workspaces, • Enterprise software development, • Advanced charting, data visualisation and virtualisation using tools such as D3, visx, ECharts or TanStack Table, • Architecture experience designing new products or systems, • Building and maintaining reusable component libraries and design systems, • Cybersecurity or analyst-tooling experience, including audit trails and role-based access controls, • CI/CD pipelines and AWS or Azure exposure, • Node.js development, • Vue experience, • Agile, cross-functional delivery, • Pension scheme., • Flexible working hours and hybrid work options., • Health insurance and wellness programs., • Generous holiday leave and paid time off., • Flexible working policy, • Volunteer policy #J-18808-Ljbffr