senior backend engineer jobs in Antrim County

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

Are you a senior backend engineer who wants real ownership, real influence, and the chance to build something that actually makes a difference? My client is an agritech startup working directly with farmers and processors to build software that delivers genuine, real-world impact. Their platform connects systems across the farm to surface insights that help customers make better, more informed...

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

You will have one staff-level engineering direct report with dotted lines across a team of engineers.

You will be expected to deliver 80% hands-on code development with 20% oversight across our vendors, strategy and a direct report. We can be flexible on title for the right candidate.

A high-growth software company based in Belfast is seeking a Senior Software Engineer to join their innovative team. This position focuses on designing and developing complex backend services using modern .NET technologies, including C#, ASP.NET, and .NET Core. The company fosters a collaborative culture and offers benefits like full private health insurance, generous annual leave, and hybrid...

An innovative AI-driven recruitment company in the UK seeks a Software Engineer specializing in Java Backend. This position involves designing and operating scalable microservices while collaborating with a dynamic, global team. Candidates should hold an MSc in Computer Science and have over 3 years of software development experience, particularly in Java. The role offers fully remote work,...

A cybersecurity leader is seeking a Senior Software Engineer (Backend, Cloud) in Belfast, Northern Ireland. The ideal candidate will have extensive experience in backend development, particularly in Python, and public cloud exposure, especially with AWS. This role focuses on designing robust distributed systems and collaborating across teams to protect customers from data loss. Join us for...

You will be responsible for building and maintaining RESTful APIs and developing AI-enabled tooling. The ideal candidate has strong server-side engineering skills along with experience in microservices and CI/CD practices. Benefits include generous leave policies and performance bonuses, providing a robust work environment.

A global market infrastructure provider seeks a Senior Software Engineer to design and implement innovative software solutions. Working in a collaborative Agile team, you will mentor others and drive continuous improvement, focusing on cloud-native architectures. The role requires expertise in modern .NET technologies and experience with API design and cloud environments. Join to help shape the...

You will be responsible for developing and implementing AI systems, with a focus on building data pipelines using LLMs. The ideal candidate has extensive experience with Python and SQL, AWS services, and a strong foundation in software engineering. This role includes working collaboratively within a dynamic team to innovate and drive projects that impact millions of lives.

A technology solutions provider in Northern Ireland is seeking a Senior Back-End Engineer to take ownership of projects and deliver solutions end-to-end. This long-term role emphasizes stability, technical contributions, and the freedom to innovate without unnecessary processes. Ideal candidates will work with .NET, Entity Framework, and Azure while actively engaging in team discussions and Scrum...

You will have one staff-level engineering direct report with dotted lines across a team of engineers.

You will be expected to deliver 80% hands-on code development with 20% oversight across our vendors, strategy and a direct report. We can be flexible on title for the right candidate.

About the Company: Our client is a fast growing global trading firm building a brand new engineering hub in Belfast in 2026. Founded by a team of technologists and financial experts, the company develops advanced trading platforms and enterprise systems that operate at scale, supporting a wide range of strategies and asset classes. Having successfully navigated multiple market cycles, they're now...

You will work closely with product, design, and front end engineers to deliver scalable, reliable functionality that directly supports the product roadmap. This is a hands on back end role where you will influence architecture, drive quality standards, and contribute meaningfully to technical decision making in an environment that values autonomy and engineering excellence.

You will have one staff-level engineering direct report with dotted lines across a team of engineers.

You will be expected to deliver 80% hands-on code development with 20% oversight across our vendors, strategy and a direct report. We can be flexible on title for the right candidate.

Backend Developer ( Node.js/ AWS -100% remote role with access to Belfast offices for those that want to collaborate) (Please note candidates should reside in NI) * Salary: £70,000 - £85k base + 10% bonus About the Company: Join a global digital content and technology business with millions of daily users and a large-scale platform delivering high-volume content to web, mobile, and partner...

You will have one staff-level engineering direct report with dotted lines across a team of engineers.

You will be expected to deliver 80% hands-on code development with 20% oversight across our vendors, strategy and a direct report. We can be flexible on title for the right candidate.

Do you enjoy designing and building scalable backend systems in the cloud - with Java at the core and AWS powering it all? My client is looking for a Senior Java Engineer to join a highly capable engineering team working on modern, cloud-native systems. This role offers real ownership, technical depth and the chance to shape how systems are built and run on AWS. What you'll be doing Designing,...