12 of 12 Remote/Hybrid Senior Software Engineer Jobs in County Down

Remote Senior Software Engineer - Core

Hiring Organisation
Olo
Location
Downpatrick, Co. Down, UK
role is fully remote, offering you flexibility to work from anywhere within NI. Your new role In this role, you’ll join as a Senior Software Engineer on the ‘ Core’ team, which is part of the wider ‘ Order Engineering ’ group. The Core team owns key parts … maintain the APIs, services, and tools that brands and partners rely on to create reliable, flexible, and high-performing digital ordering experiences. As a Senior Software Engineer on this growing team, you’ll play a key role in shaping the future of these systems. You’ll help ...

Remote Senior Software Engineer Quality Engineering & Testing

Hiring Organisation
Sophos
Location
Downpatrick, Co. Down, UK
relationships when securing their business. Sophos is headquartered in Oxford, U.K. More information is available at About the Role We’re looking for a Senior Software Engineer who cares deeply about building high-quality products - not just testing them after the fact. In this role … help shape how quality is engineered into our products from day one, working across software development, automation, and modern testing practices. This role includes a blend of hands-on testing and automation. You’ll design systems, build tooling, and dive into manual testing where it adds the most value ...

Remote Senior Software Engineer (Go)

Hiring Organisation
Form 3
Location
Newtownards, Co. Down, UK
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 ...

Remote Senior Software Engineer - Serverless

Hiring Organisation
grabjobs
Location
Downpatrick, Co. Down, UK
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 ...

Remote Senior Software Engineer (Python)

Hiring Organisation
grabjobs
Location
Newtownards, Co. Down, UK
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 ...

Remote Senior Software Engineer

Hiring Organisation
Aveni
Location
Newtownards, Co. Down, UK
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 ...

Remote Senior Software Engineer, Backend (Identity International)

Hiring Organisation
Affirm
Location
Holywood, Co. Down, UK
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 ...

Remote Senior AI Software Engineer

Hiring Organisation
Aveni
Location
Downpatrick, Co. Down, UK
adoption of AI accelerates in financial services, we’re scaling our team to meet growing demand. The Role We're seeking a hands-on Senior AI Software Engineer with strong full-stack experience to build and ship AI-powered products into production, leveraging FinLLM … first LLM for Financial Services) and other LLMs. You won’t build or train models—instead, you'll engineer the systems, services, interfaces, and integrations that bring those models to life for advisers, analysts, and banking teams. You'll own features end-to-end, covering selection, implementation, deployment, observability ...

Remote Senior Software Engineer - UK

Hiring Organisation
Disco Inc
Location
Donaghadee, Co. Down, UK
customers are proficient in designing and architecting microservices systems, including distributed data management and event-driven architectures are skilled in designing and operating containerised software hosted in a Cloud Provider (AWS, Azure, or GCP) have experience with cloud-based data storage, such as: Relational Databases, NoSQL Stores, data caches … do. We know great people don't always tick every box. ✨ Would be amazing if you have any experience: with petabyte-scale, high-availability software systems writing software for regulated industries What we can offer you: £90 to £114 + performance related bonus + Equity Remote ...

Remote Senior Software Engineer, Sandboxes (EU or East Coast Preferred)

Hiring Organisation
grabjobs
Location
Downpatrick, Co. Down, UK
products including Docker Desktop, Docker Hub, and Docker Scout. We are a globally distributed, remote-first team building the tools that define how software gets built and delivered. As AI agents redefine software development, Docker is at the center of that shift, providing the sandboxed environments, verified images … without it ever touching the host, and tear the whole environment down when it's finished. The successful candidate is a technical, product-minded engineer with deep experience building secure, isolated runtime environments (sandboxes, containers, or VMs) and a track record of shipping and owning that kind of infrastructure ...

Remote Sr. Software Engineer, Fullstack (UK)

Hiring Organisation
grabjobs
Location
Holywood, Co. Down, UK
evident in our world-class customer base. Now we need your help. Ready to make a difference in the world? Job Summary The Sr. Software Engineer will join the team responsible for Firstup's public APIs, Agentic tools, third-party integrations with enterprise systems such as HRIS platforms ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Newtownards, Co. Down, UK
About the Role Together AI runs one of the largest GPU fleets in the world. The Infra Agent Systems team builds the software systems that power and automate that infrastructure. We develop production AI agents that diagnose hardware failures, investigate incidents, correlate signals across the fleet, and automate operational … production impact. There’s an enormous amount to build, learn, and shape as we define the future of autonomous infrastructure. responsible for delivering the software but also for operating and supporting it in production. Why this Role You’ll work on two hard problems at the same time: making ...