14 of 14 Senior 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 ...

Machine Learning Software Engineer/Senior Machine Learning Software EngineerAccelerate Scientific Discovery with Oxford Instruments Andor; ImarisAt 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 … space and advance sustainable energy solutions. As a global leader in high-performance light measurement technology, we combine expertise in sensors, electronics, optics and software to deliver industry-leading solutions to customers in over 55 countries worldwide. Guided by our core values of Inclusive, Innovative, Trusted and Purposeful ...

## 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 ...

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 ...

guest engagement solutions enable brands to do more with less and make every guest feel like a regular. Role Summary Fully remote, this Senior Software Engineer on the Core team (part of the Order Engineering group) owns key components of Olo’s platform such as baskets, orders … delivery of large‐scale features and projects, coordinating across multiple teams to align with business objectives. Provide mentorship and technical leadership to junior and senior engineers, fostering continuous improvement. Collaborate closely with Product, Design, and stakeholders to shape requirements and make architecture and technical decisions that balance quality, performance ...

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 ...

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 of 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. ...

seeking a Senior Software Engineer for the Core team, focusing on baskets, orders, checkout, promotions, and capacity management. You’ll shape systems, guide technical decisions, and mentor engineers in a fully remote role. You will lead cross‐team design, deliver large features, and enhance reliability, CI/ ...

Role We’re looking for experienced Senior Software Engineers who enjoy building scalable systems, working with cloud infrastructure, and delivering high-quality software in production environments. This role sits at the intersection of software engineering and cloud/platform engineering. You’ll be designing, building … operating modern software solutions using technologies such as Java, Python, C#/.NET and TypeScript , while working closely with cloud platforms and engineering teams to deliver reliable, production‐ready systems. It’s a strong fit for someone who takes ownership, is comfortable leading technical decisions, and enjoys improving ...

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 ...

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 ...

recently, device and identity protection. Your role in the team Allstate's Data & Analytics Technology organization is seeking a highly skilled and hands-on Senior Data Engineer to design, build, optimize, and support scalable, reliable, and high-performing data platforms and pipelines. This role is focused on developing … organization. The ideal candidate possesses strong expertise in modern data engineering practices, Apache Spark, cloud-based data platforms, and lakehouse architectures. As a senior individual contributor, the candidate will provide technical leadership, mentor junior engineers, drive engineering best practices, and contribute directly to the design and implementation of enterprise ...