Algorithm developer jobs in Belfast

 ...SENIOR DEVELOPER Equipple | Belfast, Titanic Quarter — hybrid, minimum two days a week in the office Permanent, full time | £55,000–£65,000 depending on experience Closing date: Sunday 20 September 2026 Own the stack behind a growing EdTech platform — React, Node,... 

 ...Ability to work effectively within defined project timelines, including fixed-term contracts. Responsibilities: Design and develop Drupal-based web applications and components to meet project requirements for a government customer. Implement clean, maintainable... 

Salary: £34,500 - 46,000 per year Requirements: Extensive background in front-end development with significant experience working with React and JavaScript Experienced with RTK Query, Graph QL, REST, and Jest for unit testing Strong core front-end skillset of HTML...

 ...building accessible and inclusive software. ~ Excellent software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi-threading or asynchronous programming (where relevant). ~ Experience leading technical design, mentoring... 

 ...embedded within our DNA. Invest in us and we’ll invest in you!. Job Description We are seeking an experienced Full Stack Developer to join our technology team. This role is suited to a software engineer with extensive development experience, including Angular... 

 ...feel at home here immediately. Key Responsibilities - Design and build scalable backend services using Node.js and Fastify - Develop and maintain React-based frontend features as part of a full-stack remit - Architect and manage complex data models within MongoDB... 

Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization...

 ...to ensure alignment and prompt resolution Take a proactive approach to support, digging into issues to identify root causes and developing long-term, proactive solutions to prevent recurrence Document and share knowledge effectively to elevate the team’s technical expertise... 

 ...’s most ambitious software teams. About The Role Design, develops and maintain critical software of scalable platform in fast paced...  ...database technologies ~ Solid foundation in data structures, algorithms and software design with strong analytical and debugging skills... 

 ...strategic planning.  Working in combined teams with Business Designers, Researchers, Strategists, Industry and Functional Specialists, we develop a vision, roadmap and case for change to address fundamental issues facing our clients, such as “how can we grow?”, “how do we... 

 ...DevOps technologies The Role Working as part of an experienced backend engineering team, you will be responsible for designing, developing and maintaining scalable Java services while helping to improve system reliability, automation and deployment pipelines. You will... 

 ...Salary: £30,000 - 60,000 per year Requirements: ~ I am looking for a Java Developer with at least 5 years of hands-on experience in Java development. You should have strong expertise in multi-threading, web application development, and testing frameworks. Familiarity with... 

 ...to the Team Able to work on-site four days per week at our Belfast office Extensive meaningful hands-on engineering experience developing large scale systems using JavaScript, TypeScript, or similar. Direct hands-on experience with and deep knowledge of React and... 

With a legacy as a pioneer in the ALSP market, Factor leads the next evolution in legal services through AI-integrated contracting. Factor is the market leader in Integrated Law™, combining the expertise of Traditional Law, the efficiency of New Law, and the close business...

 ...spectroscopy and microscopy technologies are helping researchers develop life-saving treatments, explore deeper into space and advance...  ...problems involving large multidimensional datasets, cutting-edge algorithms and high-performance computing environments.   What You Will... 

 ...We are looking for an experienced Java Developer to join a fast-moving delivery team building a new regulatory reporting platform for a global financial services firm. This is a key build focused on MiFID II transaction reporting, trade transparency, and instrument data... 

 ...integrations and backend services within a modern cloud-native platform. This is primarily a backend engineering role, focused on developing scalable Java applications using Spring Boot, designing and consuming APIs, and building reliable integrations between business-... 

 ...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.    Primary Job Responsibilities: Design & build future-proof solutions to support growing business needs while thoroughly... 

 ...responsive web applications using React and TypeScript Design scalable, maintainable UI architectures and reusable component libraries Develop backend services, primarily in Python Integrate with REST and GraphQL APIs Design, build, and operate cloud-native solutions on... 

Salary: £35,000 - 65,000 per year Requirements: Deep expertise in TypeScript/JavaScript with a proven track record of leading high-impact engineering projects in complex backend environments. Strong systems-thinking approach with a focus on performance, security-first...

 ...testing, compliance, data masking, employee document management and pay transparency analyzer. We are looking for Workday Extend Developers to help shape our future product offerings on the Workday platform. The role holder will join a Product team to focus entirely on... 

 ...RESPONSIBILITIES IN THE BUSINESS: As a Lead Software Engineer (Consultant) in Kainos, you’ll be responsible for leading teams and developing high quality solutions which delight our customers and impact the lives of users worldwide. It’s a fast-paced environment so it is... 

 ...strategic planning.  Working in combined teams with Business Designers, Researchers, Strategists, Industry and Functional Specialists, we develop a vision, roadmap and case for change to address fundamental issues facing our clients, such as “how can we grow?”, “how do we... 

 ...production code, not only reviewing the work of others Help shape our architecture and technical roadmap Stay up to date with GenAI developments and apply new ideas, tools, and patterns to our products Participate as a team player by providing thoughtful code reviews,... 

 ...THE ROLE & RESPONSIBILITIES IN THE BUSINESS: As a Senior Software Engineer (Senior Associate) in Kainos, you’ll be responsible for developing high quality solutions which delight our customers and impact the lives of users worldwide. It’s a fast-paced environment so it is... 

 ...JOB TITLE: Software Developer JOB LOCATION: Belfast TERMS: Permanent, full time (hybrid) THE JOB We’re looking for a Software Developer to help design, build, and improve the systems and processes that support our customers, colleagues, and wider business operations... 

 ...expertise in C and C++, who have experience working in real-time environments and model-based development. Key Responsibilities Develop and support embedded software using C and C++. Testing of software changes on-site. Perform analytical design, critical analysis, and...