67 information technology jobs found in Belfast

Join the world’s largest kdb+ Consultancy where every query matters, every millisecond counts and every system you build shapes the future of data-driven finance. At Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers and collaborators who believe in pushing boundaries, not egos. If you're a proficient kdb+ developer ready to lead, innovate and make an impact, we want to hear from you. Job Description As a Senior kdb+ Consultant at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll: Lead technical delivery on client projects, setting the standard for quality and performance. Design and implement robust kdb+ architectures that handle billions of rows of time-series data. Collaborate with quants, traders, and analysts to translate business needs into performant,...

Role: Information Security Officer Location: London / Belfast Start Date: ASAP End Date: 6 Months Daily Rate: Competitive Day Rate, Inside IR35 Payroll provider – Rockford Payroll Info for Contingent Workers – Rockford Pay The Information Security Officer is a senior level professional position responsible for driving efforts to prevent, monitor and respond to information/data breaches and cyber-attacks. The overall purpose of this role is to ensure the execution of Information Security (IS) directives and activities in alignment with the client’s information and cybersecurity policy within the supported business units, primarily the client’s Technology Infrastructure. Responsibilities: Identify opportunities to automate and standardize information security controls and for the supported groups. Resolve any vulnerabilities or issues detected in an application or infrastructure. Analyze source code to mitigate...

Role Title: Full-Stack Java Engineer Location: London or Belfast - Hybrid Working Model Rate: Competitive Inside IR35 via Rockford Payroll Duration: 6 months initially Overview Deloitte is seeking six senior full-stack software engineers with strong experience across Java back-end development and JavaScript front-end development to support a confidential engagement within a highly regulated enterprise environment. The role will focus on designing, building, and securing enterprise-grade applications and platforms, with a strong emphasis on DevSecOps, secure software supply chain practices, and embedding Secure Development Lifecycle (SDL) principles across the SDLC. The successful consultants will contribute to the delivery of scalable, cloud-native solutions, support technical strategy and code quality, and help drive secure engineering practices across development and deployment pipelines. Key Responsibilities Design, develop, and maintain enterprise-grade...

PLEASE NOTE: SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.   As a Senior Developer you will play a key role in delivering robust and maintainable software that meets user needs. You will contribute across the full software development lifecycle, from design and implementation through to deployment and production support. You will build a deep understanding of the wider service and use that knowledge to solve technical problems, improve system reliability, and help shape practical solutions. Alongside your development work, you will contribute to a strong engineering culture by reviewing code, sharing expertise, and supporting...

Company Description At Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers, and collaborators who believe in pushing boundaries, not egos. If you're a seasoned C++ Developer ready to lead, innovate, and make an impact, we want to hear from you. Job Description As a C++ Developer at [DI], you will focus on developing Front Office Trading software, primarily working within the market data development teams. You will gain exposure to the full software stack, using modern development tools and concepts to deliver high quality, best practice software solutions. This will involve working on the end-to-end development of low latency software components written in C++. Project responsibilities will range from design, architecture and development of greenfield projects to maintenance, latency tuning and enhancements. Qualifications 4+ years’ experience of...

Sword is a leading provider of business technology solutions within the Energy, Public and Finance Sectors, driving real transformational change within our clients. We use proven technology, specialist teams and domain expertise to build solid technical foundations across platforms, data and business applications. We have a passion for using technology to solve business problems, working in partnership with our clients to help in achieving their goals. In this role, you will take ownership of application-facing database services, supporting database configuration, migrations, data movement, performance tuning, and troubleshooting across critical business applications. You will act as the bridge between application and infrastructure teams, ensuring database solutions are designed, maintained, and transitioned effectively throughout the application lifecycle.   The successful candidate will have strong SQL Server administration experience, excellent troubleshooting...

Senior QA & Automation Engineering Leader – Conversation AI Assurance and Test Automation Location: Central Scotland Working Arrangement: Hybrid, with travel to Glasgow (2 Days per week) Job Type: Permanent or Contract (Inside IR35)   ** Due to background-check requirements, applicants must have a minimum of three years' UK address history. **   About Resillion   Resillion is a global provider of digital assurance, cybersecurity, and testing services. We help organisations strengthen their security posture, protect critical assets, and deliver high-quality digital solutions. Our teams operate across multiple specialist disciplines, including Digital Forensics, Incident Response, SOC Operations, Quality & Compliance, and Technical Consultancy. We are committed to excellence, continuous improvement, and delivering trusted, customer-focused services that meet the highest professional and accreditation standards....

Contract Start Date: TBC Contract Length: Likely 6 months Contract Classification: Inside IR35 Contract Location: Glasgow (flexible) Design and develop secure, scalable technology solutions with a focus on automation and internal tooling. Proficient in Python, TypeScript/JavaScript, Node.js, and React. Experience with GCP/AWS cloud technologies and infrastructure-as-code (Terraform). Implement governance controls for data redaction, encryption, and audit capabilities to protect sensitive information. Develop and maintain CI/CD pipelines to support continuous delivery and compliance. Collaborate with security and operations teams to embed security into development processes.

Contract Start Date: TBC Contract Length: Likely 6 months Contract Classification: Inside IR35 Contract Location: Glasgow (flexible) Lead design, coding, and architecture of scalable, secure hybrid cloud solutions. 5+ years of experience in hybrid cloud environments (AWS, Azure, GCP). Strong coding skills in Java, Python, and React. Expertise in CI/CD and DevOps practices. Collaborate with stakeholders to define architecture standards and best practices. Drive cloud adoption and modernization initiatives.

Sword is the trusted partner for critical technology. We deliver the operational resilience and practical innovation that are essential for the most demanding enterprise and critical national infrastructure environments. By modernising legacy systems and securing daily operations, our expert teams help vital organisations lower risk, protect operations, and grow safely. Join Sword and you 'll be part of a team solving complex challenges, delivering real-world impact, working alongside talented colleagues who care deeply about quality, collaboration and customer success. We have a newly created opportunity for an experienced Data Architect to join an existing team in one of our Energy Sector customers. This role is offered on a part time basis and can be carried out remotely with occasional travel to their offices in Glasgow, Perth or Aberdeen offices. We are open to applications from candidates looking for a contract or staff opportunity. As a Data Architect within the Data...

The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it administers the State Pension and a range of working age, disability and ill health benefits to around 20 million claimants and customers. As such, we operate on a scale that is almost unmatched anywhere in Europe and most people in Britain come into contact with us at some point in their lives.   Working with DWP, you will be helping us to drive our priorities to:   Help people to move into work and support those already in work to progress, with the aim of increasing overall workforce participation Help people to plan and save for later life, while providing a safety net for those who need it now Provide effective, efficient, and innovative services to the millions of claimants who rely on us every day, including the most vulnerable in society Improve experience of our services while...

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. Opticore IT are currently searching for Site Reliability Engineers to stand up, tune and automate the observability and telemetry platforms for three large scale AI infrastructure clusters, creating the proactive monitoring and automated remediation capability that underpins the customer's AI infrastructure service. This is a fully remote opportunity operating insideIR35. What you'll be doing: Monitor the health of all compute, GPU, storage and network infrastructure across the clusters. Own and manage Grafana, Loki, Mimir, VictoriaMetrics and supporting telemetry platforms. Design and maintain dashboards, alerting rules and automated health checks. Analyse trends to...

Machine Learning Engineer (AI Data Trainer) About The Role What if your technical expertise could directly shape how the world's most advanced AI systems learn to reason, plan, and solve real problems? We're looking for Machine Learning Engineers to work alongside leading AI research teams — creating the structured reasoning traces that teach large language models how to think step by step. This is a fully remote, flexible contract role. If you have a strong background in machine learning or computer science and can articulate complex technical logic with clarity, this is your opportunity to make a lasting impact on the future of AI. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Author clear, structured reasoning traces that capture how an AI should plan, decide, and act across complex technical tasks Document step-by-step decision-making processes — including...

Software Engineer – Python (Advanced) About The Role What if your Python expertise could directly influence how AI systems are built, evaluated, and improved for millions of people? We're looking for advanced Python engineers to work on real-world software and data problems — writing production-quality code, solving complex engineering challenges, and helping ensure that AI-driven systems actually work the way they should. This is a fully remote, flexible contract role. If you thrive on technically demanding work and love turning ambiguous problems into elegant solutions, this is built for you. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Design, implement, and optimize advanced Python code for production-level systems Analyze and manipulate structured datasets to support engineering and modeling workflows Write and optimize SQL queries to extract, transform, and validate data Review, debug, and...

Software Engineer (C#) — Internal Tooling (AI Infrastructure) About The Role What if your C# expertise could directly shape the infrastructure powering the next generation of AI? We're looking for experienced full-stack C# engineers to build and optimize the data pipelines, annotation systems, and evaluation tooling that leading AI labs depend on every day. This isn't maintenance work or low-stakes ticket-churning. You'll be working on real production systems at the frontier of AI development — the kind of infrastructure that determines how AI models are trained, measured, and improved. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 20–40 hours/week What You'll Do Design, build, and optimize high-performance C# systems supporting large-scale AI data pipelines and evaluation workflows Develop full-stack tooling and backend services for data annotation, validation, and quality control at scale...

The Identity & Collaboration Architect will lead the architecture and design of a large-scale Microsoft 365 consolidation programme involving the migration of multiple Microsoft 365 tenancies, mail domains and identity platforms into a single strategic environment.   The role is accountable for developing the future-state architecture for identity, authentication, directory services, email namespace, collaboration services and associated governance models. The architect will work across technical, operational and business stakeholders to establish a coherent, sustainable target operating model that balances organisational requirements with Microsoft 's strategic cloud architecture.   A key aspect of the role is the development of target-state identity and namespace strategies, including the transition from multiple independently managed directories and Microsoft 365 tenancies to a consolidated identity platform centred on Microsoft Entra ID.  ...

As a Senior Data Architect within Working Age Services, you will provide strategic data architecture leadership for the New Style Modernisation Programme. You will design and govern data architectures that support the effective management, integration and reuse of data across services and systems, ensuring data remains a trusted and valuable organisational asset.   Working closely with business stakeholders, architects, engineers and delivery teams, you will develop data models, metadata standards and governance frameworks that support programme outcomes. You will provide expert guidance on complex data challenges, promote good architectural practice, and ensure solutions align with departmental standards, technology strategy and government best practice.   You will also help shape future data capabilities within Working Age Services, supporting service transformation through modern data architecture approaches, including cloud-native and event-driven...

About the job Outbreach is building the bench of DFIR practitioners who do the forensic work inside a live incident, from evidence acquisition through to the report the client, their insurer and their lawyers rely on. You would be the person who acquires the evidence, works out what actually happened, and writes the account of it that the client, their insurer, their lawyers and sometimes a regulator will rely on. Our incidents are mid market and fast moving: ransomware, business email compromise, data theft and insider cases. You would work alongside an Incident Manager who owns the client relationship, so your time goes on the technical investigation rather than on running the crisis. Key Responsibilities Acquire evidence properly and defensibly across endpoints, servers, memory, network and cloud, with chain of custody that stands up later. Triage at speed under pressure, and separate what is known, what is suspected and what is not yet established....

Location: UK-based, remote Commitment: Four days per week Contract: Outside IR35 Fee: £6,500 per month Start date: 20 November 2026 Term: Initial contract with the possibility of extension   ABOUT VAULTIER Vaultier is building a private collection-management platform for wealthy collectors and the personnel authorised to manage their high-value collections. The product combines secure digital records, collection administration, controlled access, approvals and coordination with trusted professionals.   Vaultier is preparing its first MVP and requires an experienced full-stack engineer to take technical ownership of the build.   THE ROLE The engineer will work from approved product requirements and designs to build, test and release the Vaultier MVP.   Some initial screens may be produced using AI-assisted development tools. The engineer will be responsible for reviewing and converting this...

Contract: Outside IR35 Commitment: 2-3 days a week Additional days: £280 per day, subject to prior written approval Location: UK-based, remote Start date: 20 November 2026 Term: Initial MVP contract with the possibility of extension   ABOUT VAULTIER Vaultier is building a private collection-management platform for wealthy collectors and the people authorised to manage their collections. The product will hold sensitive information about valuable pieces, including ownership, value, location, documents, actions and access permissions.   THE ROLE Vaultier is looking for an independent QA engineer to test its responsive web MVP.   You will review completed features against approved requirements, identify defects and risks, and provide clear evidence of whether each release is ready. You will work independently from the full-stack engineer while collaborating with Product, UX and Development.  ...