76 to 100 of 110 Developer Jobs in Northern Ireland

Remote Senior C++ Developer - Microservices & Linux

Location
Belfast City District, Northern Ireland, United Kingdom
Instil Software Ltd. is seeking a Senior C++ Developer to design and build high-performance services in a Linux-based distributed system. You will focus on reliability, maintainability, and performance on embedded devices within a fully remote UK setup. The role requires 7+ years in C++ (C++14/17/ ...

Software Developer (NI - hybrid or remote)

Location
Belfast City District, Northern Ireland, United Kingdom
Belfast. After successfully placing their last 6 hires, we're excited to bring another fantastic opportunity to market-this time for a Software Developer looking to take the next step in their career. This company combines innovation with purpose, creating solutions that genuinely make a difference in people's lives. … they continue to grow, they're now seeking a motivated developer who's keen to work across both frontend and backend technologies and become part of a growing team. The Role You'll join a cross-functional product team working in an agile environment where you'll contribute ...

BI Developer

Hiring Organisation
EOS IT Solutions
Location
Armagh, United Kingdom
Salary
£ 60 K
across the organisation. At EOS, people are encouraged to bring curiosity, integrity, and a growth mindset to everything they do.Position OverviewAs a Business Intelligence Developer at EOS, you will play a pivotal role in transforming data into actionable insights that support data‐driven decision‐making across the business. You will … field (a Master’s degree is preferred).Strong experience programming in SQL, including writing and optimising complex queries.Proven experience working as a Business Intelligence Developer or Data Analyst.Strong proficiency in Tableau for data visualisation and report development.Proficiency in Python for data manipulation, analysis, and scripting.Solid understanding of data warehousing concepts ...

Java Agile Developer (Belfast) - Officer

Location
Belfast City District, Northern Ireland, United Kingdom
with technology providing the key to unlock this potential. Key Responsibilities: Delivery of Swap Processing components (Java/Kotlin) within the Strategic Swaps Platform Developer-led automated testing with a focus on Test Driven Development Working within an Agile team focussed on Continuous Integration(CI) and Continuous Deployment(CD) Participation ...

Senior Software Developer

Hiring Organisation
Oxford instruments
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
possible scientific research and industrial communities. We are a market‐leading organisation with a diverse and inclusive environment.We are hiring for a Senior Software Developer who will work within the Software and Driver Development Team, extending and enhancing Andor’s innovative scientific product portfolio. The role spans software and driver … development, product requirements management, and support for customers and manufacturing.The Senior Software Developer will have:BSc/BEng qualification in Electrical and Electronic/Software Engineering/Physics or equivalent relevant qualification OR equivalent relevant experienceAt least 5 years’ experience inSoftware developer rolesource controlobject orientated design using industry standard techniques ...

Java Developer - Belfast, Northern Ireland

Hiring Organisation
Randstad Digital
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
Salary
£75,000
Role: Java Developer Type: PERM/FTE Location: Belfast, Northern Ireland Working Model: Hybrid VISA SPONSORSHIP is also Available Core Responsibilities: Develop: Architect and maintain robust Java-based microservices leveraging Spring and SpringBoot frameworks. Lead: Guide development efforts, mentor junior developers, and ensure code quality, security, and performance. Collaborate: Partner ...

Python Software Developer - FinTech

Hiring Organisation
Elliot Marsh
Location
Holywood, Down, United Kingdom
Salary
£ 60 K
Technology Headhunters, FinTech Headhunters Competitive Bangor Permanent Full-time Python Software Developer - FinTech: About our client:Our client is a leading Global Fin-tech business, who is at the cutting edge in the Financial Technology space, particularly within the payments arena. They are led by an ambitious management team … they stay at the forefront of the market and their competitors. This role will be key to helping them maintain their competitive edge.Python Software Developer - FinTech: The role:You will be vital in developing financial payment systems fit for purpose. You will also be providing business requirement solutions and delivering ...

Low-Latency Equities Tech: Java/C++ Developer

Location
Belfast City District, Northern Ireland, United Kingdom
Citi in Belfast is seeking a software developer to join the Global Market Data platform team. You will contribute to low-latency market data infrastructure and collaborate with traders and production support to diagnose real-world issues. Requirements include strong Java or C++ experience, microservices familiarity, and knowledge of network ...

Senior Software Developer – Pensions/FinTech

Location
Belfast City District, Northern Ireland, United Kingdom
Mantle in Belfast is seeking a Software Developer for a fixed term - full time role. You will contribute to pensions product development, code, test and deploy features, and collaborate to ensure high-quality delivery. The position requires C programming expertise and experience with CoffeeScript, SQL, and EJS templates. The role ...

Java Developer — Hybrid Finance Tech (Belfast)

Location
Belfast City District, Northern Ireland, United Kingdom
Citi in Belfast is seeking a Java Developer to join the Global Market Access team and help build the market access gateway that supports electronic trading. You will design, implement and maintain mission-critical services, ensuring resilience, low latency and strong security in a hybrid work model with ...

Low-Latency Equities Developer - Java or C++ (Hybrid)

Location
Belfast City District, Northern Ireland, United Kingdom
Citi in Belfast seeks a high‐performing Equities Technology Low Latency Developer with Java or C++. You will contribute to the Global Market Data platform, implement ultra‐low‐latency features, and work with traders and production teams to diagnose real‐world issues. The role offers hybrid working in a fast ...

Senior Software Developer - Online Prizes/Raffles

Location
Belfast City District, Northern Ireland, United Kingdom
Description My client is a rapidly growing digital technology company operating within the online consumer and transactional sector. They are looking for a Senior Developer to join their expanding technology team and work on high-traffic, transaction-heavy web platforms. This is an exciting opportunity to work within a fast ...

Python Developer

Hiring Organisation
Citigroup
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
101125003632Posted: 2026-09-25Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, Entry LevelCompany: CitiCiti is seeking a highly motivated candidate for Python developer in Wholesale Credit Risk Technology team that serves Institutional Credit Management (ICM). We are looking for a talented professional with a solid technical acumen ...

Hybrid Java Developer for Global Finance Tech

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is seeking a Java Developer for the Global Market Access EMEA development team. The role sits within the Equities cash business and focuses on building and maintaining the market access gateway layer to connect to EMEA exchanges for electronic trading. You will work on translating internal Citi trading messages ...

Technical Lead: Senior Developer in Equity Derivatives

Location
Belfast City District, Northern Ireland, United Kingdom
Citi in Belfast seeks a senior developer to lead the Equity Derivatives Pre-Trade technology team. You will design and deliver a pre-trade requests-for-quote and pricing platform used globally, acting as technical lead and delivering high-quality software. Collaborate with front office, sales, quants and other technologists ...

KDB+ Developer — Financial Data Solutions

Location
Newry, Northern Ireland, United Kingdom
EPAM Systems, Inc. seeks a skilled KDB Developer to support global financial institutions. The role involves operating as a subject matter expert, designing and implementing data solutions, and collaborating across the software lifecycle. You will engage with users for requirements, deploy applications, and assist with configurations and training. Applicants should ...

Python Developer – Front Office Credit Risk Tech

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is seeking a Python developer to join the Wholesale Credit Risk Technology team. The role focuses on building enterprise-scale applications using Python, FastAPI, and modern AI techniques, collaborating with onshore and offshore teams to deliver front-office and credit-risk solutions. The ideal candidate has 3+ years ...

Senior Platform Tools Engineer – Developer Experience

Location
Belfast City District, Northern Ireland, United Kingdom
Cloudsmith is seeking a platform-minded software engineer to build and own the developer-facing tools at the heart of how engineers integrate with Cloudsmith. You’ll own the CLI, Terraform provider, MCP integration, IDE extensions, and related interfaces that must evolve with the platform. You’ll collaborate with Customer ...

KDB Developer

Location
Newry, Northern Ireland, United Kingdom
rapidly evolving financial landscape, offering comprehensive solutions that drive business transformation and sustainable growth.We are looking for a highly skilled and motivated KDB Developer to join our team, contributing to innovative data solutions for leading global financial institutions.We seek professionals who are strategic, thrive in a dynamic environment, and possess ...

Mulesoft Integration Developer

Location
Belfast City District, Northern Ireland, United Kingdom
looking for a skilled MuleSoft Developer to join CGI, where you'll play a pivotal role in delivering secure, scalable integration solutions that help our clients transform how their organisations connect, operate and innovate. Working at the heart of enterprise technology, you'll develop high-quality integrations between Salesforce ...

Product Developer, Counterparty Credit Risk – Loans Stress Loss (AVP)

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is looking for a Product Developer to join its Counterparty Credit Risk team, where you will serve as the critical link between Technology and business stakeholders — including Risk, the Desk, and Underwriters — with a focus on Loans Stress Loss analysis and delivery. In this role, you will directly influence ...

Product Developer, Counterparty Credit Risk – Loans Stress Loss (AVP)

Hiring Organisation
Citigroup
Location
Belfast, Down, United Kingdom
Salary
£ 55 K
101451459280Posted: 2026-10-02Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Technology Product ManagementCompany: CitiCiti is looking for a Product Developer to join its Counterparty Credit Risk team, where you will serve as the critical link between Technology and business stakeholders — including Risk, the Desk, and Underwriters — with a focus ...

Power BI & Power Platform Analytics Developer

Location
Belfast City District, Northern Ireland, United Kingdom
Group is seeking an experienced BI Developer to join a team focused on data visualisation, reporting and analytics. The role centers on Power Platform, with emphasis on Power BI and Microsoft Fabric, shaping dashboards and data models to deliver practical insights. Next steps involve collaborating with stakeholders to translate requirements ...

Product Developer — Counterparty Risk & Loans Stress

Location
Belfast City District, Northern Ireland, United Kingdom
Citigroup Inc. is seeking a Product Developer to join the Counterparty Credit Risk team in a hybrid role, bridging Technology and business stakeholders including Risk and Underwriters. You will influence risk exposure reporting and systems relevant to Loans Stress Loss, with a focus on accuracy and timely delivery. The role ...

Workday Extend Developer — Build Innovative SaaS Solutions

Location
Belfast City District, Northern Ireland, United Kingdom
Kainos is seeking a Workday Extend Developer to join a product-focused team and drive new offerings on the Workday platform. You’ll collaborate with product and delivery teams to shape roadmaps, build proof-of-concepts, and gather user feedback to deliver customer-centric solutions, while mentoring junior colleagues ...