51 to 75 of 122 Senior Software Engineer Jobs in Northern Ireland

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 ...

Form3, our mission is simple but powerful: To design, build and run the technology that will power the future of payments. As a Senior Software Engineer , you will be part of a team working on the critical infrastructure that underpins global payments. This is a rare opportunity … highly automated DevOps environment WE’RE LOOKING FOR Deep understanding of designing and building distributed systems Enjoys working on complex challenges within critical software where high performance and robustness are essential Familiarity with cloud and containerisation technologies, test automation tools and CI/CD pipelines Interest in owning projects ...

Form3, our mission is simple but powerful: To design, build and run the technology that will power the future of payments. As a Senior Software Engineer , you will be part of a team working on the critical infrastructure that underpins global payments. This is a rare opportunity … highly automated DevOps environment WE’RE LOOKING FOR Deep understanding of designing and building distributed systems Enjoys working on complex challenges within critical software where high performance and robustness are essential Familiarity with cloud and containerisation technologies, test automation tools and CI/CD pipelines Interest in owning projects ...

Form3, our mission is simple but powerful: To design, build and run the technology that will power the future of payments. As a Senior Software Engineer , you will be part of a team working on the critical infrastructure that underpins global payments. This is a rare opportunity … highly automated DevOps environment WE’RE LOOKING FOR Deep understanding of designing and building distributed systems Enjoys working on complex challenges within critical software where high performance and robustness are essential Familiarity with cloud and containerisation technologies, test automation tools and CI/CD pipelines Interest in owning projects ...

Form3, our mission is simple but powerful: To design, build and run the technology that will power the future of payments. As a Senior Software Engineer , you will be part of a team working on the critical infrastructure that underpins global payments. This is a rare opportunity … highly automated DevOps environment WE’RE LOOKING FOR Deep understanding of designing and building distributed systems Enjoys working on complex challenges within critical software where high performance and robustness are essential Familiarity with cloud and containerisation technologies, test automation tools and CI/CD pipelines Interest in owning projects ...

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. ...

Description We’re looking for a Senior Software Engineer who thrives on turning ambitious ideas into production systems that delight developers and deliver real business impact. You’ll work across the stack, from backend APIs and orchestration to SDKs, dashboards, and developer tools. You’ll take ownership ...

Description We’re looking for a Senior Software Engineer who thrives on turning ambitious ideas into production systems that delight developers and deliver real business impact. You’ll work across the stack, from backend APIs and orchestration to SDKs, dashboards, and developer tools. You’ll take ownership ...

Description We’re looking for a Senior Software Engineer who thrives on turning ambitious ideas into production systems that delight developers and deliver real business impact. You’ll work across the stack, from backend APIs and orchestration to SDKs, dashboards, and developer tools. You’ll take ownership ...

Description We’re looking for a Senior Software Engineer who thrives on turning ambitious ideas into production systems that delight developers and deliver real business impact. You’ll work across the stack, from backend APIs and orchestration to SDKs, dashboards, and developer tools. You’ll take ownership ...

Description We’re looking for a Senior Software Engineer who thrives on turning ambitious ideas into production systems that delight developers and deliver real business impact. You’ll work across the stack, from backend APIs and orchestration to SDKs, dashboards, and developer tools. You’ll take ownership ...

Almac Central Services is seeking a Senior Software Engineer to design, build and evolve platforms that power our business. You will own end-to-end delivery, turning complex requirements into robust software, while shaping standards, architecture, and security for scalable systems. You will work across ...

adoption of AI in financial services accelerates, and we’re now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … Role Aveni is building next-generation AI systems for UK financial services, where safety, compliance, and trust are non-negotiable. We're hiring a Senior Software Engineer to work on AI and agentic platform capabilities that power intelligent, automated workflows for financial services. This is a high ...

adoption of AI in financial services accelerates, and we’re now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … Role Aveni is building next-generation AI systems for UK financial services, where safety, compliance, and trust are non-negotiable. We're hiring a Senior Software Engineer to work on AI and agentic platform capabilities that power intelligent, automated workflows for financial services. This is a high ...

adoption of AI in financial services accelerates, and we’re now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … Role Aveni is building next-generation AI systems for UK financial services, where safety, compliance, and trust are non-negotiable. We're hiring a Senior Software Engineer to work on AI and agentic platform capabilities that power intelligent, automated workflows for financial services. This is a high ...

adoption of AI in financial services accelerates, and we’re now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … learning as part of the day-to-day work. The Role As a Senior Software Engineer at Aveni, you’ll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first LLM for the Financial Services industry) and other LLMs ...

adoption of AI in financial services accelerates, and we’re now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … learning as part of the day-to-day work. The Role As a Senior Software Engineer at Aveni, you’ll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first LLM for the Financial Services industry) and other LLMs ...

adoption of AI in financial services accelerates, and we’re now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … learning as part of the day-to-day work. The Role As a Senior Software Engineer at Aveni, you’ll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first LLM for the Financial Services industry) and other LLMs ...

adoption of AI in financial services accelerates, and we’re now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … learning as part of the day-to-day work. The Role As a Senior Software Engineer at Aveni, you’ll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first LLM for the Financial Services industry) and other LLMs ...

define the future of pay, where money moves at the speed of work.. Learn more at DailyPay's Press Center. The Role As a Senior Software Engineer, you will work alongside a supportive, high-impact team of skilled developers to improve how our teams deploy and access … complexities of moving data across a distributed platform at scale. What You Bring to the Team Strong Technical Foundation: 4+ years of hands-on software development experience, including at least 2 years working with strongly-typed languages (Go, Java, C#, etc.). Microservices Expertise: Demonstrated experience designing and developing ...

Ctrl Alt is seeking a Senior Software Engineer to join our Belfast or London team. You’ll design, build and maintain high‐performance, scalable solutions in a fast-paced scale‐up environment, shaping the future of on‐chain infrastructure in digital capital markets. You'll work with ...

Wilsons Auctions is seeking a Senior Software Engineer to own and evolve Gavel, the enterprise auction platform. You will work across Node.js/NestJS backend APIs and React/Next.js front-ends, delivering reliable features and AI-assisted development workflows. Based in regional offices (Belfast, Glasgow, Newcastle ...

market dynamics, customer expectations, and compliance requirements. We are a team of six engineers based across Spain and Poland. We are looking for a Senior Software Engineer who can turn ambiguous business and customer problems into reliable, well-designed technical solutions. In this role, you will help ...

market dynamics, customer expectations, and compliance requirements. We are a team of six engineers based across Spain and Poland. We are looking for a Senior Software Engineer who can turn ambiguous business and customer problems into reliable, well-designed technical solutions. In this role, you will help ...