101 to 125 of 162 Software Engineering Jobs in County Antrim

EXCLUSIVE OPPORTUNITY We're working with a growing technology business that is looking for a Senior/Principal Python Engineer to join its Belfast engineering team. This is a role for someone who enjoys getting stuck into backend engineering, data and architecture , rather than simply working through … moved beyond purely delivering defined pieces of work and enjoys thinking about the bigger picture . You'll ideally have around 5+ years of software engineering experience , with a strong backend background and good experience with Python. You don't need to have worked in cybersecurity before. What ...

Tier 1 banks and hedge funds with real data volumes and real regulatory pressure and they hire us because we can put working software in front of them quickly. This role is for an engineer who has already built agentic AI systems and wants to do more. You will … built it that wayand what broke Fluent use of AI-assisted coding tools (Claude Code, Cursor, Copilot or similar) in day to day development Software engineering fundamentals: version control, testing, code review, CI/CD and an understanding of what makes code someone else can maintain Strong written ...

Senior Software Engineer - Belfast Belfast | Hybrid | 3 days in office I'm working with a well-established technology company in Belfast that is continuing to grow its engineering team and invest in modern technology. They're looking for a Senior Software Engineer to join the team … wants to have a real say in how solutions are designed and built. What you'll be doing Developing and improving large-scale software applications Working across backend services with some full-stack exposure Getting involved in technical design and architecture Working with modern cloud and container technologies Helping ...

Cloud Engineer for a 3 - 6 month contract in Belfast. This contract will suit a Cloud Engineer with a full-stack/product engineering mindset and strong AWS and infrastructure-as-code capability. This is not a traditional DevOps or infrastructure-only role. You'll be comfortable working across … working with technologies including Node.js and Java Help deliver scalable, reliable products as the business expands into new sectors Work closely with product and engineering teams to build new customer-facing capabilities This is a great opportunity for an engineer who enjoys building products end-to-end, from ...

Arqit Limited in Belfast is seeking a Technical Team Lead to balance hands‐on software engineering with team management across the UK. The role splits time between technical leadership, delivery and people management, and requires strong mentoring capability. You will guide architecture, oversee full‐stack changes with your ...

Senior ML/AI Engineer Senior ML engineering role combining hands-on model development with production system ownership at genuine scale LLM/RAG, NLP, and streaming ML pipelines processing millions of items daily AWS-native (Lambda, ECS, SageMaker, MSK, Kafka), strong Python required £65,000-£75,000 High … insight tools. Recognised as a Great Place to Work across multiple regions including the UK, they operate at serious scale with a strong engineering culture. Role Overview We're looking for a Senior ML/AI Engineer to join a Machine Learning team responsible for critical AI-powered services. ...

Senior ML/AI Engineer Senior ML engineering role combining hands-on model development with production system ownership at genuine scale LLM/RAG, NLP, and streaming ML pipelines processing millions of items daily AWS-native (Lambda, ECS, SageMaker, MSK, Kafka), strong Python required £65,000-£75,000 High … insight tools. Recognised as a Great Place to Work across multiple regions including the UK, they operate at serious scale with a strong engineering culture. Role Overview We're looking for a Senior ML/AI Engineer to join a Machine Learning team responsible for critical AI-powered services. ...

Public Sector, preferably central government.Proven experience planning, coordinating and managing complex programmes across multiple teams and suppliers, circa 50+ staff.Experience in leading bespoke software delivery.Experience in using agile methodologies.Proven track record of delivering complex 10m+ per anum programmes on time and within budget, fast-moving, complex delivery environments … establishing and adhering to robust project governance and technical quality standards.Broad technology experience, awareness of current technology trends and a solid understanding of contemporary software engineering practices and behaviours.Strong ability to make reasoned decisions under pressure taking a balanced view of client demands, Kainos commercial interests ...

Description My client, a global technology company, is hiring a Back-End Software Engineer to join an established engineering team based in Belfast. This is an excellent opportunity to work on highly scalable, enterprise-grade backend systems that support mission-critical applications used by customers worldwide. … joining a collaborative engineering environment where you'll contribute to the design, development and optimisation of Java-based backend services, working across cloud infrastructure, automation, and distributed systems. The role offers exposure to modern DevOps practices, cloud-native technologies, and large-scale system architecture. What's on Offer Competitive ...

Opportunity I'm currently partnering with a local, award-winning software company that delivers bespoke digital solutions for major clients across multiple industries. They're looking for a talented Senior Software Engineer to join their high-performing team. This role will give you the chance to work ...

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-functional … teams, adopt AI-assisted development practices, and mentor others to elevate engineering standards while embracing modern tooling and automation. #J-18808-Ljbffr ...

intraday liquidity solution for our business. The role will be interface between business stakeholders and the Development team covering all phases of the software development lifecycle from requirement gathering to production rollout.What you’ll doWork with Business, OPS and Tech teams to drive towards a common solutionPerform data analysis … Fixed Income especially from cashflow perspectiveExtensive knowledge of data analysis tools e.g. python, excel etcAwareness of industry trends and technology landscapesGood understanding of modern software engineering practices and technologiesExcellent communication and complex problem-solving skillsWhat we can offer youWe work hard to have a positive financial and social ...

Sector , preferably Healthcare . Proven experience planning, coordinating and managing complex programmes across multiple teams and suppliers , circa 50+ staff. Experience in leading bespoke software delivery, including data and cloud platforms Experience in using agile methodologies withing structured governance frameworks Proven track record of delivering complex £10m+ per anum … adhering to robust project governance and technical quality standards. Broad technology experience, awareness of current technology trends and a solid understanding of contemporary software engineering practices and behaviours. Strong ability to make reasoned decisions under pressure taking a balanced view of client demands, Kainos commercial interests ...

Senior Software Engineer (C#/.NET) Ocho People | Technology Recruitment Senior Software Engineer role at a globally recognised payments technology organisation C# and .NET focused on a high throughput, mission critical payment gateway processing millions of transactions daily Remote first with access to a Belfast city centre office … Salary £65,000 - £70,000 Why This Organisation Not every engineering role gives you the chance to work on software that genuinely cannot fail. This one does. Our client is a globally recognised payments technology company processing billions of transactions annually across more than 175 countries. Their Belfast ...

most experienced team in the UK.Continued market success has created new opportunities, and we are looking for open-minded information technology/software development professionals to join this successful team. You will have the opportunity to apply your technical knowledge across a wide range of areas and to help … companies identify qualifying R&D and benefit from making claims for these incentives. R&D activity can be necessary across much of the software development lifecycle and in a variety of technology projects, both large and small, and across industry sectors.Connect to your career at Deloitte Deloitte drives progress. ...

Senior Software Engineer, B2B Platform ServicesLocation: Belfast, NI/Hybrid (This role requires working in-office 3 days per week.)About us:EverQuote is a leading AI-powered growth solutions partner for regulated property and casualty insurance entities, enabling the largest insurance carriers and thousands of agents to maximize … high standards. If that's how you work too, this is the role for you.About the role:As a senior member of the engineering team you will be instrumental in planning, designing, and implementing applications that will scale with EverQuote systems. In this role, you will build applications ...

Senior Software Engineer, B2B Platform ServicesLocation: Belfast, NI/Hybrid * (This role requires working in-office 3 days per week.)* About us: the company is a leading AI-powered growth solutions partner for regulated property and casualty insurance entities, enabling the largest insurance carriers and thousands of agents … high standards. If that's how you work too, this is the role for you. About the role: As a senior member of the engineering team you will be instrumental in planning, designing, and implementing applications that will scale with the company systems. In this role, you will build ...

## 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 to redefine it. … designing and delivering **scalable, cloud‐native applications*** Exposure to Gen‐AI concepts including: + Large Language Models (LLMs) and transformer‐based systems + Prompt engineering and basic agent workflows + Vector search and retrieval concepts* Familiarity with Gen‐AI frameworks/tools such as **LangChain, LangGraph, MLflow, or workflow ...

Allstate NI in Belfast is seeking a Software Engineering Manager for Infrastructure as Code (IaC) to lead enterprise-scale infrastructure automation and platform engineering. You will guide a high-performing team while shaping strategy, roadmap, and execution of self-service infrastructure through code. The role requires coaching engineers … establishing engineering standards, and collaborating with servers, security, networking, and application teams to deliver scalable, secure infrastructure #J-18808-Ljbffr ...

which is responsible for ensuring, maintaining, and improving the security of our GenAi Prompt security capabilities within the firm. You will be responsible for engineering solutions that strengthen and broaden our security capabilities in an environment that is changing daily whilst also working with vendor products to achieve … same aims. You will have the opportunity to partner with key Engineering teams, alongside Operations and Site Reliability Engineering. Effective capabilities that combine security and engineering excellence are key to success. What the role covers: Designing, developing, optimizing, and enhancing a GenAI prompt security platform to protect firm ...

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 few can match. … Experience designing and delivering scalable, cloud‐native applications Exposure to Gen‐AI concepts including: Large Language Models (LLMs) and transformer‐based systems Prompt engineering and basic agent workflows Vector search and retrieval concepts Familiarity with Gen‐AI frameworks/tools such as LangChain, LangGraph, MLflow, or workflow orchestration tools ...

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 through … Angular, or Vue)Experience designing and delivering scalable, cloud‐native applicationsExposure to Gen‐AI concepts including:Large Language Models (LLMs) and transformer‐based systemsPrompt engineering and basic agent workflowsVector search and retrieval conceptsFamiliarity with Gen‐AI frameworks/tools such as LangChain, LangGraph, MLflow, or workflow orchestration tools (e.g. ...

Allstate Northern Ireland Limited seeks a Software Engineering Manager for Infrastructure as Code (IaC) to lead enterprise-scale automation, drive strategy, and deliver self-service infrastructure capabilities. You will coach engineers, shape standards, and partner with cloud, security, and platform teams to accelerate delivery. The role demands strong … leadership, hands-on IaC expertise, and a track record of transforming engineering through automation and platform engineering. #J-18808-Ljbffr ...

Senior Software Engineer - Node.js Confidential Client * Remote (UK) * Full-time About the Client This role sits with a well-established product engineering organisation headquartered in Northern Ireland, with a reputation built on delivering composable, cloud-native digital commerce platforms for some of the world's best-known retail … consumer brands. Their engineering teams work across the full stack but with a particular focus on API-first, MACH-architecture systems - combining best-in-class headless commerce technology with strong Node.js and TypeScript engineering at the backend. They partner closely with their technology vendors and work on complex ...

Citigroup Inc. in Belfast, United Kingdom, is seeking a Senior Software Engineer (Java) to design and evolve large, distributed systems for the FiTP team. The role focuses on high-volume trade capture and processing with a strong emphasis on low latency and multi-threaded Java applications. You will work ...