126 to 150 of 206 Software Engineering Jobs in Northern Ireland

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 ...

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 ...

best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact. The Role We are looking for a Senior Software Engineer to join the XFI (Cross Functional Integrations) team within the Cloud Integration Group. The XFI team oversees the integration of Post Delivery Protection & Response … threat defence software, via API, to the Microsoft or Google e‐mail platforms, for both inbound and outbound. You will be joining the team at an exciting time, as the team prepares to furtherly scale the XFI services and products and the next steps of integration with Microsoft ...

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. ...

Citi in Belfast, UK is hiring a Senior Software Engineer (Java) for the Global Fixed Income Trade Processing team. You will design and develop large, distributed systems to capture and process high volumes of SFT trades, operating in a hybrid model with occasional remote work. You will lead architectural ...

Aflac Northern Ireland is seeking experienced Software Engineers who enjoy learning new technologies and working in Agile teams to accelerate adoption of Pega, our enterprise workflow automation platform, in Belfast. You will deliver high-quality customer-centric solutions, integrate web/API/database components for full-stack Pega ...

Citi's Equities Technology organization is seeking a Senior Software Engineer to join the Equities Electronic-Execution (Electronic Trading) team. The role involves the design, development and delivery of Citi's next-generation low-latency execution platform, including Algorithmic Trading, Smart Order Routing, Dark Pool and High-throughput market ...

Citigroup Inc. in the United Kingdom is hiring a Senior Software Engineer to build and maintain an ultra low-latency risk engine for cash equities trading. You will own latency-sensitive components in the risk path, drive architecture decisions, and collaborate with global teams across APAC/EMEA/ ...

Role Overview Enea are looking for experienced software engineers to immediately join our experienced team. Successful candidates will be enthusiastic about software development and technology and keen to learn about leading edge technologies. If you love technology and gadgets then you’ll love this job! You will … results orientated workplace where initiative is valued, accomplishments are rewarded, and the goal is clear; to become a worldwide leader in Internet based communications software and services for wireless and wireline communications companies. With the size and variety of what we do – from video optimisation to mobile broadband price ...

Title: Staff Software Engineer Location: Belfast/Northern Ireland (remote-first, commuting distance required) Salary: 65,000 – 70,000 Employment Type: Permanent, Full-timeOverviewWe are working with a well-established technology organisation that builds and operates large-scale, highly available platforms used by customers of all sizes. The engineering … key.This role is suited to a senior engineer who enjoys technical leadership, hands-on development, and mentoring others, while working closely with product and engineering stakeholders.The RoleAs a Staff Software Engineer, you will provide technical leadership within a cross-functional engineering team, contributing to both architectural decisions ...

Environment, and effectively and safely manage data. Our bioinformatic cloud product is sold on a licence fee basis, along with accompanying data science and software engineering professional services. Our clients and partners already include some of the biggest names around, and we’re now looking to appoint ...

leading technology provider is seeking a Front End Software Engineer to join their team in Belfast. The role involves working on dynamic web ordering platforms and requires 3+ years of experience. Skills in React, TypeScript, and NextJS are essential. This position is fully remote, providing flexibility to work from ...

build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why consider joining our Digital & Data community? ð Join our Digital & Data team working alongside … product, design and a wide range of other experts and cross-disciplinary teams to bring ideas to life through innovative software solutions. Grow a flexible and unique career within a trust-based, inclusive environment that values excellence, innovation, and curiosity. You have the option to progress with ...

scale and passionate about your craft, you will find an environment in which you can thrive at Cloudsmith.About CloudsmithCloudsmith is transforming how organizations handle software artifacts and secure their supply chains. As a cloud native, multi-tenant platform, we enable organizations to build software better, through best … class artifact management and software supply chain security. Our vision is to become the software supply chain itself, powering the future of software delivery.We are the world's most potent artifact management platform, built by developers for developers. Our platform supports over 30 formats spanning languages, container ...

Full-Stack Software Engineer Location: Global, Fully Remote Job Type: Contractor | ~15 hours/week Schedule: Flexible We're looking for experienced Full-Stack Software Engineers to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving. Key Responsibilities Develop … unfamiliar codebases. Troubleshoot application, API, database, and integration issues. Review and evaluate AI-generated code for correctness, security, performance, and maintainability. Translate and adapt software builds between programming languages. Required Skills Python React JavaScript Java Node.js Rust Go TypeScript Strong full-stack development experience Experience with APIs, databases, application ...

Citigroup Inc. is seeking a Senior Software Engineer (Java or Python) to help shape next‐gen financial software. You will engage in full‐stack development, leverage Spring Boot/Core and Flask/FastAPI, and build cloud‐native solutions with modern JS frameworks. You will also explore ...

Citi is recruiting a Senior Software Engineer (Java or Python) to help shape tech for global finance. You will work on full‐stack development, leveraging Spring Boot, Flask/FastAPI, and modern JS frameworks. Expect cloud-native design, Gen‐AI concepts, and involvement across architecture, infrastructure, and AI integration. ...

collaboration.Ready to make your mark? Join us and be part of something bigger.MAIN PURPOSE OF 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 … turn, mentor those around you.MINIMUM (ESSENTIAL) REQUIREMENTS:• Must have demonstrable Java and AWS experience• Proficient in designing, building, testing and maintaining modern software applications• Experience of applying development best practices and patterns in relation to security, scalability and performance• Contributing to technical decisions and direction in a collaborative team ...

Engineer to install, configure, test and support our security systems at customer sites across NI and Ireland. You will collaborate with bench engineers and software engineers to set up rigs and deliver bespoke technology in a dynamic field. You will provide on-site and remote technical support, maintain systems ...

Enable Group is seeking a Software Engineer to design, develop and commission automation systems for major UK water projects. You will deliver PLC, HMI and SCADA solutions, produce design documentation and support site commissioning across multiple platforms. Strong experience in water/wastewater automation, robust technical writing and client ...

Group is partnering with a growing Belfast tech company to recruit two Software Engineers. The role is backend‐heavy, offering work with APIs, distributed services, and cloud infrastructure in a supportive, leadership‐driven team. Ideal candidates have 1–3 years of commercial experience and a genuine interest in backend ...

Software Developer (.NET) Belfast | Hybrid £45,000-£55,000 Are you a C#/.NET Developer who enjoys solving complex integration challenges and having genuine ownership of your work? We're working with an established Belfast software business that is adding a Backend Software Developer … small, dedicated engineering team. You'll initially help deliver a major systems integration for a large international customer before moving onto the continued development of a wider business-critical platform. This isn't a role where you'll simply be handed tickets. You'll work closely with the customer ...

bold, multi‐year transformation to build a best‐in‐class global platform across execution, prime, clearing and cross‐product margining. We are re‐engineering our technology estate to achieve world‐leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernised post‐trade, clearing … working together to define and deliver the next generation of Equities technology at Citi. Role OverviewCiti's Equities Technology organization is seeking a Senior Software Engineer to join the Equities Electronic- Execution (Electronic Trading) technology team. The person in this role will be responsible for the design, development ...

seek to appoint a Frontend-Focused Full Stack Engineer to join their development team. This is an exciting opportunity to join a well-established software business whose platform is used by organisations across the UK and internationally. The successful candidate will work on a suite of public-facing eCommerce … Identifying and implementing improvements across existing systems, codebases and development processes Collaborating closely with Development, QA and Project Management teams to deliver high-quality software solutions What You Need 3+ years' commercial experience with C# and .NET Strong frontend skills across JavaScript, HTML5 and CSS Commercial React experience ...

opportunitiesAccountable for results and best in class outcomesVisionary in future focused problem-solvingExceptional in execution and impactThe RoleWe are looking for a Senior Software Engineer to join the XFI (Cross Functional Integrations) team within the Cloud Integration Group. The XFI team oversees the integration of Post Delivery Protection & Response … threat defence software, via API, to the Microsoft or Google e-mail platforms, for both inbound and outbound.You will be joining the team at an exciting time, as the team prepares to furtherly scale the XFI services and products and the next steps of integration with Microsoft ...