1 to 25 of 46 Software Engineer Jobs in Belfast

Select how often (in days) to receive an alert: Machine Learning Software Engineer/Senior Machine Learning Software Engineer Date: 8 Sept 2026 Location: Belfast, GB GB Oxford, GB Bristol, GB, BS35 4GG High Wycombe, GB Job Function: Technical Machine Learning Software Engineer/… Senior Machine Learning Software Engineer Accelerate Scientific Discovery with Oxford Instruments Andor; Imaris At Oxford Instruments Andor, we are dedicated to enabling the world's greatest scientific breakthroughs. Our cutting-edge imaging, spectroscopy and microscopy technologies are helping researchers develop life-saving treatments, explore deeper into space ...

finish times. Where possible, we support a working pattern that suits your lifestyle and helps you reach your ambitions. Job Advertisement: Real-time Embedded Software EngineerAre you ready to innovate and make a significant impact in the field of real-time embedded software development? Thales is seeking enthusiastic … dedicated Software Engineers to join our team and contribute to cutting-edge multi-discipline programmes. If you possess the skills and passion for software engineering, we want to hear from you! Overview of Thales Integrated Airspace Surveillance (IAS): Thales IAS provides advanced surveillance solutions designed to ensure ...

## Senior Software Engineer (Back-End)Applylocations: Belfasttime type: Full timeposted on: Posted 3 Days Agojob requisition id: R5500The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity … achieve our vision of being the world’s most trusted, innovative, liquidity and data solutions specialist.**Role Overview**As a Senior Software Engineer at TP ICAP, you will play a key role in delivering business-critical software solutions supporting the internal broking division and its external client ...

## 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 ...

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. … mission-critical platform that processes very high transaction volumes, where performance, resilience, and reliability are 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 ...

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 … 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 ...

Black Duck Software, Inc. helps organizations build secure, high-quality software, minimizing risks while maximizing speed and productivity. Black Duck, a recognized pioneer in application security, provides SAST, SCA, and DAST solutions that enable teams to quickly find and fix vulnerabilities and defects in proprietary code, open source … With a combination of industry-leading tools, services, and expertise, only Black Duck helps organizations maximize security and quality in DevSecOps and throughout the software development life cycle. Black Duck is seeking a Principal Software Engineer to serve as a technical leader for the company's identity ...

looking for an engineer to help build a new generation of provenance and build information into the Cloudsmith platform. If you are motivated by solving problems of performance at a massive 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-in-class artifact management and software supply chain security. Our vision is to become the software ...

## Senior Software Engineer (Full Stack)Apply: UK - City Quays 3 - Belfast: Full time: Posted Today: R5298**Group Overview**The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity … Platform based on the latest technology and architecture. You will be working alongside AWS and learning from the best. As a Senior Engineer you will be responsible for demonstrating excellent technical competencies with a desire to improve and mentor junior members of the team. You will take responsibility ...

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 … 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 ...

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 ...

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. From deploying advanced AI to helping … challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Citi is looking to hire a KDB+ Software Engineer into its Equities Global Data and Analytics group in Belfast, UK. This role involves designing, implementing, and deploying timeseries based software ...

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 ...

make your mark? Join us and be part of something bigger. MAIN PURPOSE OF THE ROLE & 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 … customers, share knowledge and mentor those around you. MINIMUM (ESSENTIAL) REQUIREMENTS Must hold active SC Clearance Expertise in designing, building, testing and maintaining modern software applications Technical leadership of teams building and testing modern, scalable, secure, performant applications in line with software development principles, practices and patterns e.g. ...

Oxford Instruments Andor is seeking a senior Machine Learning Software Engineer to join the Imaris software team. You will develop, deploy and optimize ML solutions for image analysis, segmentation and 3D/4D datasets, working across CPU/GPU and high-performance environments. Based in Belfast … remote within the UK, you will collaborate with engineers, scientists and product managers to deliver production-grade software and contribute to architectural decisions. #J-18808-Ljbffr ...

Citibank (Switzerland) AG in Belfast is seeking a Senior Software Engineer (Java or Python) to co-create and evolve financial software platforms. You will work on full-stack development, applying Spring Boot/Spring Core, Flask/FastAPI, and modern JavaScript frameworks to deliver scalable cloud-native ...

Harness is the AI Software Delivery Platform company, led by technologist and entrepreneur Jyoti Bansal (founder of AppDynamics, acquired by Cisco for $3.7B). Harness has raised approximately $570M in funding and is valued at $5.5B, backed by leading investors including Goldman Sachs, Menlo Ventures, IVP, Unusual Ventures, Citi … after the code - testing, deployments, application security, reliability, compliance, and cost optimization. Harness brings AI and automation to this "outer loop," helping teams ship software faster while maintaining security and governance throughout the entire software delivery lifecycle. Powered by Harness AI and the Software Delivery Knowledge Graph ...

best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact The Role We're looking for a Sr. Software Engineer to join our team and help build, scale, and maintain the systems powering our platform. You'll work across a large, complex micro … work when the team needs it — tech debt, infra-migrations Continuously look for ways to innovate and improve how the team builds and operates software What You Bring to the Team Proven software engineering experience with a level of seniority Proficiency in Java, Go, and Python Strong debugging ...

role is fully remote, offering you flexibility to work from anywhere within NI. Your new role In this role, you’ll join as a Software Engineer II on the ‘In-Store’ team, which is part of the wider ‘Order’ engineering group. The ‘In-Store’ squad is focused … specific responsibilities determined by your assigned team and area of expertise What Will Set You Up For Success Bachelor’s Degree in Computer Science, Software Engineering or equivalent practical experience 2+ years of experience in software engineering post graduation Good experience in the .Net and C# ecosystem Working ...

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 ...

Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems. This role is within the FiTP team in Belfast, United Kingdom. The successful individual will ideally have a good knowledge … Fixed Income products and experience in building software systems to handle the capture and processing of high volume of such trades. In this fast paced environment you must be able to prioritize tasks, work within deadlines, taking a pragmatic and thoughtful approach, paying close attention to details. You will ...

Proofpoint is seeking a Sr. Software Engineer to join our team and help build, scale, and maintain the systems powering our platform. You'll work across a large, complex micro-services architecture. This role is for someone who enjoys digging into hard problems, isn't afraid of ambiguity ...

Title: Senior Software Development Engineer in Test (SDET) Location: Belfast, Northern Ireland Work Arrangement: Hybrid Position Overview We are seeking an experienced Senior Software Development Engineer in Test (SDET) to act as a catalyst for quality across our engineering organisation. You will be a first‐class … engineer who builds & maintains our automated testing infrastructure, enabling rapid feedback cycles and the delivery of high‐quality software at speed. This is a technical leadership role: you will advocate for quality throughout the software development lifecycle, design test strategies, influence our test architecture, mentor others ...

Proofpoint is hiring a Software Engineer for our Satori AI agent platform. You will design and build components powering autonomous security operations, with fellow engineers using the platform to protect Fortune 100 customers 24/7/365. We value Python and TypeScript skills, experience with microservices … cloud deployments, and a proactive attitude to ship robust software at scale. This role requires on-site work in Belfast with some flexibility distributed across teams worldwide. #J-18808-Ljbffr ...