developer python javascript jobs in Lisburn

You will be building systems that automate end-to-end workflows from document processing through to statutory filing to make a real impact on tens of thousands of our customers.

You will work alongside Software Development, Product and Operations teams to identify and eliminate constraints in the product life cycle.

You will help to develop monitoring and alerting for AWS deployed platforms and software to support sustained and reliable availability of internal and production systems.

Job Description NodeJS JavaScript Developer - AI & ML Role: Senior or Lead NodeJS Engineer Location: Belfast - 2-3 days per week Salary: Up to £90,000 NodeJS Engineer that would like to work at the forefront of AI integration & Edge deployments? Want to work as part of a team that is developing LLM & SLM capabilities and platforms for mission-critical projects across finance, energy &...

React Software Engineer – Multiple Roles (Junior to Senior) Want to work on cutting-edge projects with a team that loves clean, modern front-end engineering? Looking for a place where you’ll actually see your work go live and make an impact? How about joining a team that values learning, collaboration, and innovation — not red tape? The Role You’ll be developing high-quality, performant...

Contract Kdb+ Developer - Capital Markets We are seeking a skilled contract kdb+ Developer for a fast-paced Capital Markets/Investment Banking client. Key Requirements: - Strong background in kdb+ development - Logical problem-solver with a keen eye for detail - Excellent communication and client-facing skills - Solid understanding of the Software Development Life Cycle Desirable Skills: -...

Title: Site Reliability Engineer (Python Development) Do you want to join a global leader within the fintech space? Our client is seeking a Site Reliability Engineer to join their global team. In this role, the successful candidate will design and build tools that make operations faster, more reliable, and more efficient. They will work across the full stack—front-end and back-end—while helping...

We are looking for a QA Engineer to join our client Hybrid (3 days in-office, 2 days remote) - Belfast, Northern Ireland, United Kingdom Role Responsibilities - Design, implement, and maintain detailed test plans and test cases to verify the quality and functionality of backend services and APIs. - Conduct automated and manual testing, with a focus on integration and end-to-end test...

We’re hiring a Software Engineer in Test to join a growing FinTech in Belfast, building AI-powered features that are transforming how financial operations are automated and managed. You’ll work in a small, high-impact team developing systems that automate complex workflows end-to-end from document processing to compliance filing, making a real difference for thousands of users. What you’ll...

Software Engineer in Test – AI-Driven Product Team (Hybrid)We're partnered with an exciting SaaS business who are currently building production AI for the FinTech space. They're looking to add an experienced software engineer in test to their Belfast team. They're building AI-powered features that automate complex workflows for thousands of users. This isn’t chatbot work — you’ll be testing real...

Mobile Application Tester - Appium £40,000 + benefits Belfast – flexible hybrid working This is an opportunity for a Mobile Application Tester to join an expanding software and cloud engineering team. They have grown and established themselves as key player in their field and require an experienced Automation Test Engineer to provide Quality Assurance for a key product making a positive social...

Technical Lead Permanent opportunity Hybrid role 2-3 days a week in Belfast Competitive Salary (+ Performance related bonuses) *Please note this role requires you to gain a Security Clearance Job Description We’re looking for a seasoned technical leader who blends deep hands on engineering experience with strong strategic and architectural insight. In this role, you’ll guide...

You will be a vital link between the software team and Internal & external stakeholders. Key Responsibilities - Develop & maintain applications using .

Software Application Consultant The Role: They are seeking an experienced Enterprise Application Consultant to work with their current team, lead implementation projects from initial client requirements gathering to final implementation and rollout of an enterprise document management application. This role will require the candidate to work on bespoke projects with design, configure,...

Enterprise Integrations/Solutions Engineer Location: Belfast Role: Hybrid | Permanent We're partnering with a fast-growing cybersecurity and enterprise SaaS company that's redefining how global organisations secure and connect their devices. They're hiring for a Enterprise Integrations Engineer to help design, build and scale the integrations powering their enterprise ecosystem. This is a...

You will be building systems that automate end-to-end workflows from document processing through to statutory filing to make a real impact on tens of thousands of our customers.

Contract Kdb+ Developer - Capital Markets We are seeking a skilled contract kdb+ Developer for a fast-paced Capital Markets/Investment Banking client. Key Requirements: - Strong background in kdb+ development - Logical problem-solver with a keen eye for detail - Excellent communication and client-facing skills - Solid understanding of the Software Development Life Cycle Desirable Skills: -...

Senior TypeScript Engineer Location: Hybrid / Remote - UK or Ireland Employment Type: Full-Time, Permanent Are you passionate about building scalable, high-performance systems using TypeScript? Do you want to work on complex, business-critical applications where technology drives real impact? Are you ready to take ownership of architecture, design, and delivery across the full stack? Role...

ARC's purpose is to expedite access to precision medicine clinical trials for patients globally. We fulfil our purpose through our dedicated team of experts with unparalleled domain knowledge, and the important relationships we have developed with our global clients. We are a Belfast-based Clinical Research Organisation that specialises in delivering compliance excellence for companies in the...

React Software Engineer – Multiple Roles (Junior to Senior) Want to work on cutting-edge projects with a team that loves clean, modern front-end engineering? Looking for a place where you’ll actually see your work go live and make an impact? How about joining a team that values learning, collaboration, and innovation — not red tape? The Role You’ll be developing high-quality, performant...

DevOps Engineer – Belfast (Hybrid) An innovative, fast-growing cloud security organisation is expanding its engineering hub in Belfast. The team is building cutting-edge technology that gives global customers deep visibility, real-time protection, and end-to-end security across complex cloud environments. If you want to work with highly scalable systems, modern cloud platforms, and a team that...