76 to 100 of 136 Software Engineering Jobs in Belfast

Citibank (Switzerland) AG in Belfast is seeking an experienced Java software engineer to join Citi Tech, delivering scalable microservices for global finance. You will design and implement backend systems using Java/J2EE, Spring Boot, and RESTful services; lead and mentor teammates; contribute to CI/CD, testing ...

Economic Engagement and other key stakeholders to align activities with the College’s strategic goals. Required Skills & Qualifications: Degree in a relevant field (Engineering, Digital Technology, or related area). Minimum of 1 year’s experience in a relevant industry environment or in providing technical expertise/mentoring … businesses. Proficiency in areas relevant to the specific track (Engineering or Digital), such as product design, software engineering, cloud computing, or e-commerce. Strong ability to plan, organise, and lead projects. Excellent communication skills and the ability to work effectively within a team. Must have a valid ...

Arqit Limited in Belfast is seeking a Technical Team Lead to balance hands‐on software engineering with team management across the UK. The role splits time between technical leadership, delivery and people management, and requires strong mentoring capability. You will guide architecture, oversee full‐stack changes with your ...

junior members of the team. You will take responsibility for your assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments. The Fusion Platform … when you are asked to assist with production incidents or support outside regular hours to maintain operational stability. Role Responsibilities Be able to drive engineering improvements whilst communicating principles behind your work to other team members and the wider organisation. Be proactive in supporting the team’s engagement ...

Sector, preferably central government. Proven experience planning, coordinating and managing complex programmes across multiple teams and suppliers, circa 50+ staff. Experience in leading bespoke software delivery. Experience in using agile methodologies. Proven track record of delivering complex 10m+ per anum programmes on time and within budget, fast-moving, complex … adhering to robust project governance and technical quality standards. Broad technology experience, awareness of current technology trends and a solid understanding of contemporary software engineering practices and behaviours. Strong ability to make reasoned decisions under pressure taking a balanced view of client demands, Kainos commercial interests ...

Private Equity ownership environment is an advantage. Experience in sales roles as both an individual contributor and leader, selling technology services such as AI, Software Engineering, Application Modernisation, Cloud Transformation, Data & Digital Services to customers in the financial services sector. A detailed understanding of outsourced managed services ...

intraday liquidity solution for our business. The role will be interface between business stakeholders and the Development team covering all phases of the software development lifecycle from requirement gathering to production rollout. What you’ll do Work with Business, OPS and Tech teams to drive towards a common solution … from cashflow perspective Extensive knowledge of data analysis tools e.g. python, excel etc Awareness of industry trends and technology landscapes Good understanding of modern software engineering practices and technologies Excellent communication and complex problem-solving skills What we can offer you We work hard to have a positive ...

Sector , preferably Healthcare . Proven experience planning, coordinating and managing complex programmes across multiple teams and suppliers , circa 50+ staff. Experience in leading bespoke software delivery, including data and cloud platforms Experience in using agile methodologies withing structured governance frameworks Proven track record of delivering complex £10m+ per anum … adhering to robust project governance and technical quality standards. Broad technology experience, awareness of current technology trends and a solid understanding of contemporary software engineering practices and behaviours. Strong ability to make reasoned decisions under pressure taking a balanced view of client demands, Kainos commercial interests ...

Citigroup Inc. in Belfast, United Kingdom is seeking a Senior Software Engineer (Java) to design and develop large, complex distributed systems for the FiTP team. You will contribute to high volume trade capture and processing, with a focus on performance, scalability and reliability. The role requires strong Java expertise ...

## Senior Software Engineer (Java Or Python) - VPApplylocations: Belfast United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26969354**Senior Software Engineer (Java Or Python)**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. … designing and delivering **scalable, cloud‐native applications*** Exposure to Gen‐AI concepts including: + Large Language Models (LLMs) and transformer‐based systems + Prompt engineering and basic agent workflows + Vector search and retrieval concepts* Familiarity with Gen‐AI frameworks/tools such as **LangChain, LangGraph, MLflow, or workflow ...

Allstate NI in Belfast is seeking a Software Engineering Manager for Infrastructure as Code (IaC) to lead enterprise-scale infrastructure automation and platform engineering. You will guide a high-performing team while shaping strategy, roadmap, and execution of self-service infrastructure through code. The role requires coaching engineers … establishing engineering standards, and collaborating with servers, security, networking, and application teams to deliver scalable, secure infrastructure #J-18808-Ljbffr ...

Humble, Hungry, Smart. Location: Belfast Contract: Full time, Permanent EverQuote is seeking a forward thinking Senior Software Engineer to join our market-leading insurance lead amplification platform! As a Senior Software Engineer, you will be at the heart of a platform that connects millions of American home … level degree in an Information Technology or Computer Science related field. You will have 5+ years of professional programming experience including experience at a software product company. You have experience in the following disciplines; supporting cloud platforms at scale (AWS), working with infrastructure as code, container orchestration environments (preferably ...

Senior Software Engineer (Java Or Python) 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. … Experience designing and delivering scalable, cloud‐native applications Exposure to Gen‐AI concepts including: Large Language Models (LLMs) and transformer‐based systems Prompt engineering and basic agent workflows Vector search and retrieval concepts Familiarity with Gen‐AI frameworks/tools such as LangChain, LangGraph, MLflow, or workflow orchestration tools ...

98171091088Posted: 2026-08-21Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiSenior Software Engineer (Java Or Python) 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 … Angular, or Vue)Experience designing and delivering scalable, cloud‐native applicationsExposure to Gen‐AI concepts including: Large Language Models (LLMs) and transformer‐based systemsPrompt engineering and basic agent workflowsVector search and retrieval conceptsFamiliarity with Gen‐AI frameworks/tools such as LangChain, LangGraph, MLflow, or workflow orchestration tools (e.g. ...

Instil Software Ltd is seeking experienced Senior Software Engineers to design, build, and operate scalable cloud-native solutions using Java, Python, C#/.NET and TypeScript. You’ll influence architecture, drive API design, and guide production deployments across AWS, Azure, or GCP. You’ll work with cross-functional … teams, adopt AI-assisted development practices, and mentor others to elevate engineering standards while embracing modern tooling and automation. #J-18808-Ljbffr ...

Senior Software Engineer, you will play a key role in designing, developing and maintaining high performance cloud-based applications. You’ll work with cutting-edge Azure technologies to support our mission in precision medicine research. You will be a vital link between the software team and Internal & external … Responsibilities Develop & maintain applications using .NET (C#), .NET Core, and Azure technologies. Collaborate with product managers, designers, and developers to create high-quality software solutions. Mentor junior members of the development team, providing expert support when required. Contribute to design decisions for up-and-coming projects Become a vital ...

Proofpoint is hiring a Senior Software Engineer for the XFI team within the Cloud Integration Group in Belfast. You will help scale the Cross Functional Integrations services that connect to Microsoft and Google email platforms, delivering secure, high-performance integrations for both inbound and outbound traffic. You will design ...

teams, Data Scientists, Product Managers, Platform Engineers, Security teams, and business stakeholders Deliver trusted, reusable, scalable, and analytics-ready datasets and data products Drive engineering best practices including code quality, peer reviews, automated testing, CI/CD, and documentation Ensure data quality, governance, lineage, metadata management, security, privacy … compliance requirements Monitor and optimize performance, scalability, reliability, and cost efficiency of distributed data processing workloads Develop reusable frameworks, libraries, templates, and engineering patterns Implement and support CI/CD pipelines, Infrastructure-as-Code principles, and deployment automation Troubleshoot complex data integration, performance, and operational issues Create and maintain ...

products, while Insights provides analytical dashboards and data visualizations to help clients understand trends and patterns in their data. Staff Engineers at Bazaarvoice lead software initiatives from conception to delivery, while driving engineering best practices and helping mentor talent. Who you are: BSc in Computer Science or equivalent ...

Citigroup Inc. in Belfast, United Kingdom, is seeking a Senior Software Engineer (Java) to design and evolve large, distributed systems for the FiTP team. The role focuses on high-volume trade capture and processing with a strong emphasis on low latency and multi-threaded Java applications. You will work ...

Citi Belfast is seeking a KDB+ Software Engineer (Vice President) to design and implement real-time market data and analytics in KDB+/q. You will own delivery from design to production, collaborating with Traders, Quants, and Global Technology to optimize latency in a hybrid Belfast setting. The role ...

Citi Belfast is hiring a KDB+ Software Engineer to design and deploy timeseries-based analytics for Equities Trading Clients. You will join a Global team delivering real-time market data systems, with a focus on low-latency performance and scalable analytics. Strong KDB+/Q, Java and Python skills ...

embedded within our DNA. Invest in us and we'll invest in you!. Job DescriptionYou may have been working as a Test Engineer, Software Engineer in Test, or Test Analyst who writes Java the way most people write emails — fluently, without thinking twice. You are as comfortable designing … owners with a shared responsibility for quality. This is not a role for someone who treats automation as an optional extra — Java-based test engineering is at the core of what you will be doing, and the expectation is that you bring real depth to it. You may also ...

Astro Studios, Inc. in Northern Ireland seeks a Managing Consultant to shape service propositions and lead business development initiatives. The ideal candidate will manage trusted relationships with clients, unlocking complex challenges through creative solutions. This ...

enterprise scale: transparent, controllable, and dependable 24/7/365. The environment is fast-paced, rapidly scaling, and highly collaborative across multiple engineering and product teams. The opportunity for transformational impact is significant. If this excites you, we want you on our team. What You Bring … 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 TypeScript, plus one or more UI back-ends (Rails ...