126 to 150 of 164 Software Engineering Jobs in County Antrim

Senior Backend Engineer TLNT1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
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 ...

Senior Java Engineer: High-Performance, Hybrid, Fixed Income

Location
Belfast City District, Northern Ireland, United Kingdom
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 ...

Senior Cloud Software Architect & AI-Driven Leader

Location
Belfast City District, Northern Ireland, United Kingdom
Instil Software Ltd in Belfast is seeking an experienced Principal Software Engineer who relishes tackling complex technical challenges, building scalable systems, and guiding teams to deliver production-grade software. You will design and deliver modern solutions using Java, Python, C#/.NET and TypeScript, lead architectural decisions ...

Senior.NET Developer TLNT1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Senior Software Engineer (.NET/C#) - Belfast At a Glance Senior-level .NET/C# engineering role with an established financial technology business Hybrid working... 3 days per week in Belfast Salary up to £60,000 Modern, spacious Belfast offices with a strong culture and genuine progression Join … high-performing engineering team building business-critical, real-time systems About the Company This is an established provider of technology and data solutions to global financial markets, helping clients make better-informed, real-time decisions. The Belfast office operates from modern, spacious premises, with a collaborative culture, strong staff ...

Principal Software Engineer — Cloud, AI & Architecture

Location
Belfast City District, Northern Ireland, United Kingdom
Instil is seeking an experienced Principal Software Engineer to design, build, and guide production-ready software across Java, Python, C#/.NET and TypeScript. You’ll lead cloud-native initiatives on AWS/Azure/GCP, drive architecture decisions, and mentor engineers to raise technical excellence. … work with distributed systems, APIs, and modern CI/CD practices, embracing AI-assisted development to boost productivity and software quality. #J-18808-Ljbffr ...

Senior C# Developer TLNT1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Senior Software Engineer (.NET/C#) - Belfast At a Glance Senior-level .NET/C# engineering role with a global financial markets technology business Hybrid working... 3 days per week in Belfast Salary up to £55,000 Newly expanded, spacious Belfast offices with standout culture and progression Join … high-performing engineering team building business-critical, real-time systems About the Company This is an established provider of technology and data solutions to the global financial and commodities markets, helping clients access liquidity and make better-informed trading decisions. The Belfast office has recently expanded into spacious ...

Engineering Manager

Hiring Organisation
Enably
Location
Belfast, Northern Ireland, United Kingdom
Some engineering teams reach a point where technical leadership and people leadership need to be owned separately. That’s the opportunity here. We’re partnering an experienced a product-led software business to recruit an Engineering Manager, responsible for around 12 engineers working across multiple teams. … working. What you’ll own Regular 1:1s, coaching and clear feedback Performance management, including difficult conversations when needed Career development, progression and promotions Engineering career frameworks and review processes Hiring and onboarding Team health, retention and remote culture Helping shape how engineering management works as the organisation ...

Staff Software Engineer

Hiring Organisation
Cpl
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
Title: Staff Software Engineer Location: Belfast/Northern Ireland (remote-first, commuting distance required) Salary: 65,000 – 70,000 Employment Type: Permanent, Full-timeOverviewWe are working with a well-established technology organisation that builds and operates large-scale, highly available platforms used by customers of all sizes. The engineering … key.This role is suited to a senior engineer who enjoys technical leadership, hands-on development, and mentoring others, while working closely with product and engineering stakeholders.The RoleAs a Staff Software Engineer, you will provide technical leadership within a cross-functional engineering team, contributing to both architectural decisions ...

Tech & AI Strategy Leader — Hybrid (Belfast)

Location
Belfast City District, Northern Ireland, United Kingdom
lead technology strategy across the business, identify opportunities to improve client delivery, governance and programme execution, and partner with executives to scale an internal software engineering capability. #J-18808-Ljbffr ...

Senior Typescript Engineer TLNT1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Senior Software Engineer - Node.js/TypeScript/Azure Location: Remote (Northern Ireland wide) Salary: £50,000 - £80,000 (depending on experience) Benefits: 8% pension, remote & flexible working Contract Type: Permanent The Opportunity We're partnering with a local, award-winning software company that designs and delivers bespoke digital … solutions for major clients across multiple industries. They are now seeking an experienced Senior Software Engineer to join their high-performing team, working on large-scale, cloud-based applications that drive real business impact. You'll be a key contributor in shaping backend systems and APIs, ensuring they ...

Senior Test Automation Engineer

Hiring Organisation
Version 1
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
embedded within our DNA. Invest in us and we’ll invest in you!. Job DescriptionYou may have been working as a Test Engineer, Software Engineer in Test, or Test Analyst who writes Java the way most people write emails — fluently, without thinking twice. You are as comfortable designing … owners with a shared responsibility for quality. This is not a role for someone who treats automation as an optional extra — Java-based test engineering is at the core of what you will be doing, and the expectation is that you bring real depth to it. You may also ...

Senior Back-end Engineer JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
Description My client, a Global technology company, is hiring a Back-End Software Engineer (Java) to join an established engineering team based in Belfast. This is an exciting opportunity to join a highly collaborative team responsible for developing and enhancing large-scale backend platforms that power mission-critical … salary up to £60k Performance bonus Hybrid working Flexible benefits package Excellent career progression and learning opportunities You will be part of a global engineering team developing highly scalable backend services using modern Java technologies, cloud infrastructure and DevOps practices. The team is responsible for building secure, high-performance ...

Java/Kotlin Software Engineer – AVP - (Developer Enablement)

Hiring Organisation
Citigroup
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
takes it further. This blue-sky project looks at ways we can greatly improve the SDLC process at Citi, taking ideas like grading engineering teams and rewarding those who follow best practices, perhaps moving them from manual approval process to an automatic one. The use of Artificial Intelligence … requirements of the firm are upheld, whilst driving industry best practices (DORA) Why you'll love working here: You get to work in the engineering focused part of the bank, the Chief Technology Office, building tools for other engineersYou’ll work and lead small, agile team, in an organisation ...

Senior DevOps Engineer TLNT1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Hybrid working, 2-3 days per week in Belfast £75,000 - £90,000 plus a strong benefits package Greenfield infrastructure work in a regulated, engineering-first environment About the Company Our client is a fast-scaling financial services business operating at the intersection of technology and regulated finance. They … platform from the ground up and are growing rapidly, having secured significant investment to accelerate their next phase of expansion. With a lean, senior engineering team and a genuine bias for automation, this is a company where infrastructure is treated as a first-class concern, not an afterthought. They ...

Staff Software Engineer (Provenance)

Hiring Organisation
Cloudsmith
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
scale and passionate about your craft, you will find an environment in which you can thrive at Cloudsmith.About CloudsmithCloudsmith is transforming how organizations handle software artifacts and secure their supply chains. As a cloud native, multi-tenant platform, we enable organizations to build software better, through best … class artifact management and software supply chain security. Our vision is to become the software supply chain itself, powering the future of software delivery.We are the world's most potent artifact management platform, built by developers for developers. Our platform supports over 30 formats spanning languages, container ...

GenAI-Driven Senior Software Engineer (Java/Python)

Location
Belfast City District, Northern Ireland, United Kingdom
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 ...

Senior Software Engineer: AI-Driven Finance, Hybrid

Location
Belfast City District, Northern Ireland, United Kingdom
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, and AI integration. ...

USA Technology Talent Sourcer JBLE1 NI

Hiring Organisation
MCS Group
Location
Belfast, UK
connect them with exciting opportunities with innovative companies. You'll spend your time mapping markets, uncovering hard-to-find talent and starting conversations with Software Engineers, Product Managers, Data professionals, Cyber Security specialists and Technology Leaders. You do not need recruitment or technology experience. You do need energy, curiosity ...

Senior React/ Typescript Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Senior Software Engineer (Front-End) - Belfast At a Glance Senior front-end engineering role with a well-established technology and data business Hybrid working... 3 days per week in Belfast Salary up to £65,000 Build modern, scalable interfaces used by clients around the world Newly expanded, spacious … holds some of the highest staff retention rates in the local market alongside genuine opportunities for progression. The Role Join as a Senior Software Engineer and help shape the future of a growing suite of digital platforms. You will be part of a talented team delivering business-critical software ...

Senior AI Software Engineer TLNT1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Senior AI Software Engineer At-a-Glance - Senior backend role building the core of an AI operating system - Java, Go and Python across LLM integration, agent orchestration and retrieval infrastructure - AWS, Neo4j, distributed systems at real scale - Platform already live and in daily operational use with major customers - Share … options and an engineering culture built around AI tooling About the Company My client is a UK technology company building an AI operating and orchestration layer that puts intelligent systems to work inside large, complex organisations where accuracy and accountability really matter. The platform is already live ...

Senior AI Engineer

Hiring Organisation
PA Consulting
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why consider joining our Digital & Data community? ð Join our Digital & Data team working alongside … product, design and a wide range of other experts and cross-disciplinary teams to bring ideas to life through innovative software solutions. Grow a flexible and unique career within a trust-based, inclusive environment that values excellence, innovation, and curiosity. You have the option to progress with ...

Software Developer JBLE1 NI

Hiring Organisation
Fibrus Networks Ltd
Location
Belfast, UK
Your mission JOB TITLE: Software Developer JOB LOCATION: Belfast TERMS: Permanent, full time (hybrid) THE JOB We're looking for a Software Developer to help design, build, and improve the systems and processes that support our customers, colleagues, and wider business operations. This role will combine technical problem … implement technology solutions to improve system functionality. Gather requirements from stakeholders, facilitate workshops, and document process flows. Conduct research and assess hardware/software needs, providing recommendations for improvement. Ensure all changes align with best practices and deliver measurable improvements. Operate within an Agile SCRUM environment, contributing effectively ...

Lead Software Engineer in Test JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
most significant technology organisations operating in systems cannot afford to fail. Quality is not a checkbox here, it is a core engineering discipline built into every sprint, every release and every architectural decision. They are investing seriously in Belfast. They have hired 70 People here already this year … support that growth, they have moved into a brand new office in Belfast city centre, purpose-built for the engineering team they are growing here for the long term. This is not a satellite function doing maintenance work on someone else's platform. It is a core engineering ...

Senior Software Engineer (Java) - Fixed Income (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
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 … 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. You will ...

Senior Software Engineer (Java) - Fixed Income (VP)

Hiring Organisation
Citigroup
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications DevelopmentCompany: CitiThe 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. … 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 ...