4,320+ Fullstack Software Engineer Reactnet Cloud Trading Tech Jobs in Belfast, UK — Local Employers Hiring June 2026

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Full Stack Software Engineer React/.NET | Cloud & Trading Tech

Marex Group in Belfast is seeking a Full-stack Software Engineer to contribute to the Prime Services Software Development team. This role involves enhancing secure, responsive web applications tailored for trading technology. Candidates should have expertise in React and C# .NET, aligned with agile principles ...

Fullstack Software Engineer Catering

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable brands to do more with less and make every guest ...

Fullstack Software Engineer Catering

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable brands to do more with less and make every guest feel l ...

Fullstack Software Engineer React/Python

Full Stack Engineer (Python / React | Cloud) - NEW FDI to Belfast! MCS Group are delighted to be partnering with a high-growth technology business who are building a modern, data-driven platform that helps large organisations better understand performance and make smarter decisions. The product b ...

Senior Software Engineer, Cloud Platform

Senior Software Engineer, Cloud Platform Belfast, Northern Ireland; At Signifyd, we help merchants confidently grow their businesses by building trusted relationships with their customers. Our advanced technology, combined with a team genuinely invested in our clients’ success, creates fr ...

Lead Software Engineer — React/Next.js & Cloud

A leading software solutions provider in Belfast is looking for a Lead Software Engineer (Consultant) to lead teams in delivering innovative software solutions. You'll manage and develop junior staff while ensuring high-quality applications using technologies like Next.js, React, AWS, and Azure. This role involv ...

Lead Software Engineer: Cloud SaaS & Modernization

Centaur Labs is looking for a Senior Software Engineer to strengthen and modernize its automation solutions. In this role, you'll collaborate with a distributed team to design and develop complex enterprise applications, employing Java, Spring Boot, and AWS technologies. The ideal candidate will have e ...

Remote Fullstack Engineer Catering Platform

A leading SaaS platform provider is seeking a Fullstack Software Engineer to enhance their online ordering and management solutions. You'll design and implement scalable components, collaborate with cross-functional teams, and tackle complex technical challenges. Ideal candidates should have over 3 years of soft ...

Senior Software Engineer (AVP) Hybrid Finance Tech

Citibank (Switzerland) AG is looking for a Senior Software Engineer in Belfast to join their Markets Operations Technology team. You will tackle engineering challenges while building robust solutions using Java, React, and Python. This role comes with a competitive base salary, 27 annual leave days, private medi ...

Staff Software Engineer Remote Payment Tech Lead

Global Payments in Belfast is seeking a Staff Software Engineer to design and develop their Payment Processing Gateway and server-side products. This role emphasizes innovation while ensuring quality, from requirements to deployment, in diverse project environments. The successful candidate will lead a ...

Senior Software Engineer, Global Finance Tech (Hybrid)

Citigroup Inc. is looking for a Senior Software Engineer to join their global technology team in Belfast City. This role involves solving complex business problems and participating in all software development phases. Candidates should be proficient in Java, React, and Python, with strong hands-on experience ...

Cloud‑Native Software Engineer – AWS, .NET & TypeScript

TP ICAP Group Services Ltd is looking for a Full Stack Engineer to contribute to the Fusion Platform, partnering with AWS. In this role, you’ll develop backend services and APIs utilizing modern architecture and cloud-native technologies, ensuring high-quality code through testing and documentation. Th ...

Lead Software Engineer: Flexible Cloud Solutions Leader

A leading global innovation consultancy seeks an experienced Lead Software Engineer to join their growing technology practice in Belfast. The ideal candidate will lead the technical delivery of complex solutions, mentor engineering teams, and work directly with clients to craft scalable technical solutions. With ...

Lead Software Engineer for AI & Cloud Solutions

hackajob is seeking a Lead Software Engineer based in Belfast to lead development teams while delivering high-quality software solutions. You will engage in innovative projects, focusing on areas such as AI and ML technologies, and will manage and mentor a small team to enhance their skills and performance. < ...

Full Stack Software Engineer React/.NET & Cloud

Marex, a global financial services platform based in Belfast, is seeking a Full-stack Software Engineer. In this role, you will leverage your expertise in front-end and back-end development, particularly with React and C# .NET, to create secure and responsive web applications that support trading technologies ...

Senior Software Engineer — Lead Modernization & Cloud Apps

aPriori Technologies in Belfast is seeking a Senior Software Engineer to strengthen and modernize its product portfolio. You will design, develop, and evolve complex enterprise applications in a collaborative environment. The ideal candidate will have over 7 years of experience in software engineering ...

Software Engineer III Cloud Data Platform (Hybrid)

CMETS CME Technology and Support Services Ltd. is seeking a Software Engineer III to develop advanced electronic trading and risk-management systems in Belfast, UK. This role requires intermediate proficiency in Java and experience with data infrastructures. The ideal candidate possesses strong communi ...

Senior Software Engineer – Hybrid Finance Tech (Markets Ops)

Citigroup Inc. is seeking a Senior Software Engineer in Belfast. You will help redefine global finance by building robust software solutions in a dynamic team environment focused on integration and automation. Ideal candidates have strong programming skills primarily in Java, React, and Python, along with experi ...

Cloud Engineer

Amazon Connect Developer Remote | 6 Month Contract | Up to £425/day Inside IR35 We're supporting a large-scale organisation undergoing a significant contact centre transformation and are looking for an experienced Amazon Connect Developer to join the team. Th ...

Remote Principal Software Engineer — AI Driven, Cloud Native

MCS Group is looking for a Principal Software Engineer in Northern Ireland. This fully remote role offers an exciting opportunity to lead the development of production systems, modernize platforms, and leverage AI to enhance project delivery. You will be responsible for building systems from idea to production, ...

Java Software Engineer – Cloud Platform with AWS & React

A technology company located in Belfast is seeking a mid-level Software Engineer to join their collaborative platform engineering team. This role is pivotal in building and evolving cloud-native platforms utilized globally. Responsibilities include developing full-stack features, managing AWS infrastructure, and ...

Senior Software Engineer — Cloud, AI & Data Leadership Path

MCS Group in Belfast is looking for a Senior Software Engineer to join their new engineering presence. This role involves designing and building scalable applications across cloud and data-driven environments, working closely with enterprise clients. The ideal candidate will have strong commercial soft ...

Senior Software Engineer 5G, Cloud & CI/CD, Hybrid

A global telecom software specialist in Belfast is looking for experienced Software Engineers to enhance their skilled team. Successful candidates will engage in software development, focusing on 5G technologies and C/C++ systems. The role offers a collaborative environment with flexible hybrid work options and ...

Tech Delivery Lead – Cloud Water Analytics

A leading wastewater solutions provider in Belfast is looking for a Technical Developer to manage cloud infrastructure and support customer deployments. Key responsibilities include capturing and prioritizing work in Agile, addressing customer issues, and optimizing AWS services. The ideal candidate holds a rele ...

Full Stack Engineer: Build Scalable Cloud Apps with React

Overview Support CI/CD Cloud GCP Java Mobile NodeJS React React Native Spring Web UX UI Design DevOps JavaScript TypeScript Fullstack Technologie ...

Full Stack Software Engineer in Belfast Enso Recruitment

Overview Support CI/CD Cloud GCP Java Mobile NodeJS React React Native Spring Web UX UI Design DevOps JavaScript TypeScript Fullstack Technologie ...

Frontend Software Engineer

Description Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and ...

Futures e Trading Tech Lead Global Client Services

Citi is seeking an Electronic Trading Application Support Analyst to join the EES team in Belfast, United Kingdom. In this role, you will provide first line support for Citi's Futures trading platforms, ensuring a high-level service for traders and clients. You will collaborate with global teams to dri ...

Cloud Native Software Engineer (AWS) for Global Market Platform

A leading financial markets infrastructure provider in Belfast is seeking a Software Engineer to join a new team using cutting-edge technologies. This role involves collaborating with AWS to develop solutions, focusing on back-end services and infrastructure as code. You will engage in Agile processes and contri ...

Senior Fullstack Developer (Python)

Full Stack Python Developer Join during an exciting period of expansion, where your contribution will help influence the future direction of the platform and wider engineering team. Belfast (Hybrid) Permanent The Opportunity A leading organisation experiencing si ...

Full Stack Engineer: React/.NET for Trading Platform

Rex Technologies GmbH is looking for a Full‑stack Software Engineer in Belfast, UK, to enhance and develop secure, responsive web applications for trading technology. You will work within a collaborative team focused on delivering high-quality solutions and adhering to the best practices in software developme ...

Software Engineer

We are looking for a talented Software Engineer to join some of the industry’s brightest minds dedicated to developing integrated hardware and software cybersecurity, data sharing and communication solutions. You will work within our growing Engineering Team, which is responsible for developing, implementi ...

Software Engineer

Software Engineer - Maternity Cover Department: Development Employment Type: Contract / Temp Location: Belfast Description Who are we? At Bright, we create cutting-edge software for accounting, payroll, tax, and practice ma ...

Software Engineer

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from ARC Regulatory ARC's purpose is to expedite access to precision medicine clinical trials for patients globally. We fulfil our purpose through our dedicated team of experts with unparalleled domai ...

Software Engineer

Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold you back. You’ll bring the expertise. We’l ...

Software Engineer

WHAT YOU’LL DO Develop dashboards to best aid our incident response capabilities Develop alerts based on SLOs allowing the team to respond to issues quickly Review logging setup to ensure that understanding the product flow is easy for engineers Benchmarking cloud d ...

Software Engineer

Role Overview TP ICAP has partnered with Amazon Web Services (AWS) to build the next generation of the Fusion Platform, transforming it into a global market infrastructure. This is a unique opportunity to join a newly formed team working on a cutting‑edge platform using modern architecture and clo ...

Software Engineer

MPA are partnering with an elite Canadian tech firm expanding into Belfast to hire a hands-on Software Engineer to build and scale enterprise-grade cloud, API, and data systems. This role is ideal for engineers who thrive on solving complex, production-scale challenges, from streaming pipel ...

Software Engineer

Ctrl Alt is designing and operating the on-chain infrastructure powering digital capital markets globally. We bring together a unique blend of expertise in financial markets and cutting‑edge in‑house technology to deliver tailored, compliant solutions in the alternative assets space. Since launchin ...

Software Engineer

Description Develop dashboards to best aid our incident response capabilities Develop alerts based on SLOs allowing the team to respond to issues quickly Review logging setup to ensure that understanding the product flow is easy for engineers Benchmarking cloud disk ...

Software Engineer

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR. With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust c ...

Software Engineer

Software Engineer Department: Development Employment Type: Full Time Location: Belfast Description Who are we? At Bright, we create cutting-edge software for accounting, payroll, tax, and practice management, supported by a team of ...

Software Engineer

We are looking for a talented Mid-Level Software Engineer to join a growing team based in Belfast. This role focuses on designing, building, and evolving the core systems behind a high-traffic digital platform. This is a great opportunity for an engineer who enjoys solving complex technical challenges, wor ...

Software Engineer

MCS Group is delighted to be partnering with a client going through a huge period of growth that are now hiring for a software engineer to develop and maintain software solutions. This role involves everything from designing to testing software with systems to improving efficiency and data management. <h3 ...

Software Engineer

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR. With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust c ...

Software Engineer

Software Engineer Cirata · Symphony Engineering Team | 2+ years experience | Full-time | Hybrid (3 days office based) Seniority: Engineer Languages: Java or Go Experience: 2+ years About the Role Cirata Symphony is an intelligent data orchestration platfo ...

Software Engineer

TP ICAP Group is a world-leading provider of financial markets infrastructure and data. ... The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, ...

Software Engineer

The Role You’ll work alongside a supportive, high-impact team of skilled backend developers to improve how other teams deploy and access their services, how we move data across our platform, and how we automate operations to enable future scale. Our backend engineering teams specialise in ...

Software Engineer

  Software Engineer Cirata  ·  Symphony Engineering Team   |   2+ years experience   |   Full-time   |   Hybrid (3 days office based) Seniority Engineer Languages Java or Go Experience 2+ years ABOUT THE ROLE Cirata Symphony is an intelligent data orchestratio ...

Software Engineer

The Opportunity We’re looking for a Software Engineer to join our team and help us build the future of tokenization at Ctrl Alt. As a full‑stack engineer you’ll be working within small feature teams to deliver solutions to real problems that make it into the hands of users within days, no ...

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    Fullstack Software Engineer Reactnet Cloud Trading Tech Jobs in Belfast Job Search Guide, Trends and Insights