Web3 jobs in Belfast - Page 19Create job alerts

Commercial software development experience (web and/or internal systems). Software Developer (Web & Internal Tools). We’re supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and tooling.

We are seeking a skilled Web Automation Engineer to design, develop, and maintain a robust web automation framework for API and functional testing. Strong proficiency with Playwright (Python) for end-to-end web testing. Design, implement, and maintain a scalable web automation framework for API and

Are you looking to benefit from a new career in Web Development?.

Our clients are seeking an experienced Web Developer to build, maintain, and enhance their web-based platforms. Stay current with web development trends, best practices, and optimization techniques. Strong proficiency in modern web development: JavaScript/TypeScript, C#, responsive design, and mobil

A leading HR service provider is seeking a Talent Management Lead in Belfast.This mid-senior role involves developing and managing training programmes for all levels within the organization.Candidates must have strong analytical, project management, and communication skills, along with at least four

Webflow development experience (B2B SaaS preferred). Website performance improvements (conversion on demo/pricing pages).

As a Sr Web Engineer, you should have a comprehensive understanding of modern web development, with an emphasis on PHP and JavaScript in a WordPress context. We have deep expertise and investment in using WordPress as a tool to create large-scale platforms, websites, and applications that drive tran

Vac builds public good protocols for the decentralised web. Minimum of 5 years of experience in Web3 security engineering, with proven experience securing blockchain protocols, smart contracts, or cryptographic systems. Experience with manual/automated code review techniques and penetration testing

A leading payroll and HR technology company in the UK seeks a passionate Staff Product Designer to lead design initiatives in Web3.

A leading technology solutions provider in Belfast is seeking a Senior Penetration Tester to deliver high-quality testing engagements across various platforms.The ideal candidate will have 2+ years of experience, a knack for identifying security weaknesses, and a passion for offensive security.This

As a hands‑on technical leader, you will set the engineering vision, drive technical excellence, and mentor teams to deliver exceptional web experiences that serve thousands of users. You will play a pivotal role in shaping the future of our web ecosystem — defining best practices, guiding archi

The ideal candidate will work in a multi-disciplinary team focused on delivering high-quality client-facing web applications.

The position involves collaborating across teams to deliver innovative solutions, creating demos and guides, and addressing customer needs in the Web3 ecosystem.

Deep understanding of web design trends, industry and conversion best practices, and design‑specific technologies. Deep understanding of web technology capabilities from front to back‑end development. Visit our website to learn about our latest recognition.

We are looking for a Visual Web Designer to help train and improve cutting‑edge AI models. Background in UI/UX design, web design, product design, or graphic design.

İdeal olarak, web tasarımı konusunda en az üç yıllık deneyime sahip bir tasarımcı arıyoruz. Proje bazlı olarak bizimle çalışacak, deneyimli ve tutarlı bir web tasarımcı arıyoruz. Güçlü web tasarımı ve araştırma becerileri.

We are looking for a Responsive Web Designer to help train and improve cutting‑edge AI models. At this stage, designers should apply through our general core assessment and then complete a qualification for Web & UI/UX Design. Background in UI/UX design, web design, product design, or graphic desi

Ideal candidates have 2+ years in PR or community coordination, exceptional writing skills, and an understanding of tech or Web3 environments.

We’re seeking an experienced Web3 Attorney to advise on the full spectrum of legal and regulatory matters across our blockchain ecosystem. Advise on all legal aspects of Somnia’s Web3 operations, including validator agreements, staking mechanics, token emissions, and governance. Experience advis

We are looking for an E-Commerce Web Designer to help train and improve cutting-edge AI models. At this stage, designers should apply through our general core assessment and then complete a qualification for Web & UI/UX Design. Background in UI/UX design, web design, product design, or graphic desig

A prominent technology company in the UK seeks a Senior Software Engineer to enhance the Firefox add-ons ecosystem.Responsibilities include designing user-friendly frontend experiences, modernising platform architecture, and ensuring security.Candidates should have 4+ years of experience, proficienc

To become the go-to Webflow partner for B2B SaaS, AI, and fintech companies — known not just for clean design, but for websites that drive measurable growth and help marketing teams scale confidently. Translate client goals into clear, conversion-focused web experiences. Webflow agency working wit

A technology company in the United Kingdom is seeking a Web Designer to assess and enhance design work for AI systems.

A leading cybersecurity firm in the United Kingdom is seeking a Senior Security Analyst to monitor and analyze emerging threats and enhance detection systems.This role requires deep knowledge of JavaScript and client-side behavior analysis.The ideal candidate is self-motivated and passionate about p

By joining us, you’ll have the opportunity to shape the legal foundation of a next‑generation blockchain and be part of a team driving unprecedented innovation in Web3. We’re seeking an experienced Web3 Attorney to advise on the full spectrum of legal and regulatory matters across our blockcha

A leading software company is seeking a Principal Engineer (Web) to lead the design and development of scalable web platforms. The ideal candidate has over 10 years of software development experience, including 3 years in a senior role, and possesses a strong technical background in web architecture

Taking ownership of the development and maintenance of our diverse portfolio of websites and web applications. As our new Web Developer, you'll be at the heart of our digital innovation. Ready to build, innovate, and grow with us? If you're an experienced Web Developer with a strong technical backgr

A renowned design consultancy is seeking a Senior Web Designer for a flexible contract role leading the design of a significant website consolidation project for a well-known UK brand. The ideal candidate should have strong experience in designing modern marketing websites and exceptional communicat

Web/CRO Proficiency: Significant demonstrable experience working in Website Conversion Rate Optimisation, Growth Marketing or related fields. We’re hiring a Senior Web & CRO Manager to turn cold audiences into customers through engaging, data‑led web experiences. Technical / CMS Experience: Hand

A dynamic technology firm is seeking a Mid-Level Designer to support the marketing team during a maternity leave.The role focuses on creating high-quality visuals, ensuring brand consistency, and coordinating with team members.The ideal candidate should have 3–5 years of experience in a SaaS envir

A leading technology company in Belfast is seeking a Senior Software Engineer to help build modern front-end solutions for a widely adopted enterprise product.Candidates should have over 5 years of experience in scalable software systems and a solid understanding of algorithms and software design pa

A logistics technology firm in the United Kingdom is seeking a mid-to-senior developer to join its R&D team.The ideal candidate will have strong technical skills in JavaScript, Node.SQL, along with experience in logistics or e-commerce.In this role, you'll partner with business stakeholders to under

A leading Web3 company in the United Kingdom is seeking a Principal Product Designer. In this role, you will lead the design for an array of Web3 products, making complex interactions intuitive and user-friendly.

A forward-thinking technology company in the United Kingdom is seeking a Mid-Senior Level Developer to design, build, and deploy mobile and web applications.

The role involves managing the organisation's social media and website, ensuring effective communication strategies.

A pioneering Web3 development firm in the UK is looking for a Finance Director to lead financial operations in a Web3 environment.

Solid debugging skills and experience with responsive web development. Insulet—makers of the Omnipod® insulin management system—is one of the fastest-growing medical device companies in the industry, and we’re expanding our Web Development team! We utilize Drupal 10 as our primary content man

Based at Westcott Venture Park near Aylesbury, you’ll be part of a skilled and motivated development team creating bespoke web-based applications that support every part of our business—from operations and sales to logistics and customer service. Minimum 3 years of web development experience. Jo

You will collaborate closely to iterate on designs and ensure all assets are optimized for various use cases, from web to software interfaces. Create a basic, visually unified website design for the alpha product launch. Ensure all visual assets are suitable for software UI, marketing, and web prese

You will work closely with developers and UX designers on website redesign and UI optimization projects.

UK timezone - that can create brilliant websites for our NGO clients. Ability to create websites from scratch (without a theme). Can you design beautiful and highly functional websites in WordPress that aren't based on an out of the box theme?.

A leading AI training company in the United Kingdom is seeking a Visual Web Designer to enhance AI systems through design expertise.

Drive Clarity from Cryptic Complexity: Navigate the deep technical waters of Web3 to distill complex cryptographic concepts into crystal‑clear user narratives and interfaces. Requirements: Your Web3 Toolkit. Deep Passion for Decentralization: A genuine, deep‑seated passion for Web3 and the ethos

Human Made is seeking a Senior Web Engineer (external contractor / freelancer) to join our globally distributed team. Comprehensive understanding of modern web development with emphasis on PHP and JavaScript in a WordPress context.

Web UI Designer – DataAnnotation. This role is for a Web UI Designer at DataAnnotation focused on training AI models to understand and generate design work. Applicants should have a background in UI/UX or web design, a strong understanding of visual hierarchy, interaction design, and user flow, an

A leading recruitment agency is seeking a Senior Software Engineer for a remote role in a digital finance company.You'll design and maintain backend systems for digital asset products and work with blockchain integrations.Candidates should have over 5 years of experience, strong TypeScript skills, a

We are looking for a Web Designer to help train and improve cutting‑edge AI models. Background in UI/UX design, web design, product design, or graphic design.

As a Web Designer, you will be responsible for designing and developing visually appealing and user-friendly websites. Design and develop visually appealing and user-friendly websites. Experience with web design tools such as Balsamiq, Adobe Flash, Telerik, or Sketch.