51 to 75 of 136 Software Engineering Jobs in County Antrim

touch millions and get the opportunity to build the future of finance with Citi Tech. Citi's Equities Technology organization is seeking a Senior Software Engineer – Ultra Low Latency Risk Engine Developer to join the Equities Electronic Execution (Electronic Trading) technology team. This role is focused on the design … market data feed handlers. Apply deep expertise in JVM performance tuning, memory management, garbage collection avoidance, and/or native (C++/Rust) performance engineering to eliminate latency outliers ("jitter") in the risk path. Perform system-level performance tuning to minimize end-to-end latency and jitter across ...

United Kingdom Full-time Permanent Mid-level Senior Description ARC Regulatory combines specialist IVD/CDx clinical research expertise with laboratory services and software solutions to support Sponsors across the clinical trial lifecycle and accelerate global precision medicine studies. Through its Dx CRO and Sponsor Delegation services, ARC supports … digital platforms, ensuring customers benefit from intuitive, accessible and high-performing user experiences. The postholder will combine UX/UI expertise with front-end engineering capability, translating customer needs and business requirements into scalable digital solutions. As ARC's subject matter expert for user experience, accessibility, design systems ...

Group is working with a growing software company to recruit a Senior Front End Engineer to join its product engineering team. This is a hands‐on engineering role for someone with strong React and TypeScript experience who enjoys building modern, scalable front-end applications. The business … product and AI engineers to bring new product features to life Tackling challenges around application state, data flow, performance and responsiveness Helping establish strong engineering standards across the front‐end codebase Reviewing code and supporting other engineers across the team Exploring new patterns and technologies as the way users ...

clean and tidy repository. Collaborate across teams to promote reuse and reduce duplication. Essential skills: Proven experience as a Full Stack Developer/Software Engineer Strong backend development expertise in Java or Python or Go (one or more required) Strong frontend/UI development experience Experience with ...

real-world events and generating market-driven forecasts for decision makers. The platform sits behind a CFTC regulated exchange and clearing business, and the engineering team is lean, highly skilled, and building infrastructure that operates at genuine exchange scale. The Role As Frontend Quality Assurance Specialist you will … orchestration of instrument listings and settlement instructions. This is a detail‐focused role for an engineer who wants to work closely with Product and Engineering to enforce rigorous quality standards across a regulated, high‐stakes trading platform, and to be central to delivering a reliable, high‐performance service. ...

compliance of data pipelines that support surveillance systems across communications and trading activities, covering the above structured and unstructured data. The role bridges engineering and operations, enabling robust data ingestion, transformation, and monitoring to meet regulatory and internal compliance requirements. The Data Ops Engineer will play a critical role … necessary pipelines. Ensuring that Data consumed and processed is compliance with regulatory, legal, and security protocols. Work closely with surveillance analysts, compliance officers, and engineering teams to translate business rules into technical specifications. Partnering closely with stakeholders and subject matter experts such as the Cloud Infrastructure team to optimise ...

seek to appoint a Senior Full Stack Engineer to join their Belfast-based team. This is a unique opportunity to join a high-performing engineering function building a greenfield platform. You'll work on cutting-edge, event-driven systems in a truly global environment, contributing across the full SDLC … while mentoring junior engineers and influencing architectural decisions. The Role: You'll take ownership of design, development, testing, and deployment of scalable services, driving engineering best practice and contributing to a modern microservices architecture. This role offers strong exposure to AWS-native technologies and the chance to work closely ...

remote, offering you flexibility to work from anywhere within NI. Your new role In this role, you’ll join as an intermediate Front End Software Engineer on the ‘Serve’ team, which is part of the wider ‘Order’ engineering group. ‘Serve’ refers to our dynamic web ordering platform that … that delight millions of customers while handling the complexity of providing customised experiences per brand. You'll have the support of a highly experienced engineering team consisting of 14 engineers, split into two squads, and who are based across the UK, Europe and the US. On a management level ...

give back, and be part of initiatives that make Instil a truly inclusive and connected workplace. Company Description Instil has been delivering world-class software engineering and technology solutions for over 20 years, trusted by global brands to solve complex challenges and drive innovation. From modernising legacy systems ...

Senior Software Engineer, Full Stack (C# (.NET)) Belfast, Northern Ireland, United Kingdom Join TRG Screen: Building World-Class Teams. One Expert at a Time. Are you ready to be part of a dynamic team at the forefront of subscription spend management innovation? At TRG Screen, we're not just … enabled businesses who rely on market data to monitor and strategically manage spending and usage of data and information services, including market data, research, software licenses, consulting and other necessary corporate expenses. TRG Screen solutions give decisionmakers full transparency into subscription spend and usage, enabling them to proactively manage ...

Ocho People is seeking an Engineering Team Lead in Belfast to steer a cross-functional software engineering team. You will balance hands-on coding with architecture, coach developers, and set engineering standards in a cloud-native, distributed environment. You will own delivery, collaborate with Product Owners ...

applications, pipelines, and workflows in live, production environments - not just notebooks and academic experiments. Hands-on proficiency with Large Language Models (LLMs), prompt engineering, and agentic frameworks and orchestration tools (e.g., LangChain, LlamaIndex, AutoGen, or similar). Strong software engineering fundamentals - comfortable working across the stack, from ...

Title Senior UI Engineer Department Engineering Reports To Team Lead Working Pattern Hybrid – minimum 2 day per week in Belfast office Location Belfast, Northern Ireland (Role is NI based. Candidate must have right to live and work in UK) Salary Negotiable Company background Congruity360 is headquartered in Boston with … needs and challenges. The successful candidate will be actively involved in driving technical decisions within the team, with a desire to produce high quality software to provide a superior client experience. Education requirements A University degree (or equivalent) in Computer Science, Mathematics, Physics, or related field Experience 5+ years ...

Senior Software Engineer, Full Stack, Java Belfast, Northern Ireland, United Kingdom Join TRG Screen: Building World-Class Teams. One Expert at a Time. Are you ready to be part of a dynamic team at the forefront of subscription spend management innovation? At TRG Screen, we're not just redefining … enabled businesses who rely on market data to monitor and strategically manage spending and usage of data and information services, including market data, research, software licenses, consulting and other necessary corporate expenses. TRG Screen solutions give decisionmakers full transparency into subscription spend and usage, enabling them to proactively manage ...

customer projects. Analysing, interpreting and visualising wastewater and environmental data. Running hydraulic modelling simulations using InfoWorks ICM, SWMM or similar software. Working alongside software and product development teams to improve existing tools and functionality. Taking ownership of individual projects and delivering work within agreed timescales. Working with customers … qualification. Experience using Python, particularly libraries such as Pandas and GeoPandas. Experience with scripting or automation within hydraulic modelling software. Experience of software engineering, data science or analytics within the wastewater sector. Familiarity with cloud computing platforms, such as AWS. Experience working within an Agile delivery environment. Experience ...

## Senior Software Engineer (Full Stack)Apply: UK - City Quays 3 - Belfast: Full time: Posted Today: R5298**Group Overview**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 … junior members of the team. You will take responsibility for your assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments.**Role Responsibilities ...

Screen is seeking a Senior Software Engineer, Full Stack (C# .NET) based in Belfast, Northern Ireland. You will design, develop, and evolve backend services and frontend applications across our enterprise product suite, blending new feature work with modernization of legacy systems. The role emphasises hands-on work ...

Title: Senior DBA/platform engineer Department: Engineering Reports To: Team Lead Working Pattern: Hybrid – minimum 2 day per week in Belfast office Location: Belfast, Northern Ireland (Role is NI based. Candidate must have right to live and work in UK) Salary: Negotiable Company background: Congruity360 is headquartered … needs and challenges. The successful candidate will be actively involved in driving technical decisions within the team, with a desire to produce high quality software to provide a superior client experience. Education requirements: A University degree (or equivalent) in Computer Science, Mathematics, Physics, or related field Experience: 5+ years ...

from thousands of sensors, turning it into precise, actionable insights that drive smarter decisions. About the role StormHarvester is a fast-growing green-tech software company based in Belfast, using machine learning and predictive analytics to help wastewater utilities detect issues in the sewer networks before environmental harm occurs. … combining real-time sensor data with localised weather forecasts, we are the leading software company enabling utilities to reduce pollution and make smarter, proactive decisions. We deliver actionable insights across wastewater networks through our cloud-based SaaS platform. As we continue to grow, we’re expanding our team ...

junior members of the team. You will take responsibility for your assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments. The Fusion Platform … when you are asked to assist with production incidents or support outside regular hours to maintain operational stability. Role Responsibilities Be able to drive engineering improvements whilst communicating principles behind your work to other team members and the wider organisation. Be proactive in supporting the team’s engagement ...

culture, Ctrl Alt is where you can do the most rewarding work of your career. The Opportunity We’re looking for a Blockchain Software Engineer to join our team and help build the next generation of Ctrl Alt’s tokenization and governance infrastructure. You’ll work at the intersection … Cosmos, Liquid, and other Layer 1s Build tools for interacting with on‐chain infrastructure (transaction monitoring, wallet integrations, etc.) Collaborate with product and engineering teams to deliver robust blockchain‐based solutions for financial institutions Stay up to date on developments in blockchain infrastructure, standards, and regulatory frameworks Promote best ...

Private Equity ownership environment is an advantage. Experience in sales roles as both an individual contributor and leader, selling technology services such as AI, Software Engineering, Application Modernisation, Cloud Transformation, Data & Digital Services to customers in the financial services sector. A detailed understanding of outsourced managed services ...

Title: Senior ML Engineer Department: Engineering Reports To: Team Lead Working Pattern: Hybrid – minimum 2 day per week in Belfast office Location: Belfast, Northern Ireland (Role is NI based. Candidate must have right to live and work in UK) Salary: Negotiable Company background: Congruity360 is headquartered in Boston with … needs and challenges. The successful candidate will be actively involved in driving technical decisions within the team, with a desire to produce high quality software to provide a superior client experience. Education requirements: A University degree (or equivalent) in Mathematics, Physics, Statistics or equivalent applied quantitative background Experience: 5+ ...

class products and solutions, and unparalleled access to capital and liquidity. The 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 … UK. The successful individual will ideally have a strong knowledge of Fixed Income especially SFT 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 ...

future of pay, where money moves at the speed of work.. Learn more at DailyPay's Press Center. The Role As a Senior Software Engineer, you will work alongside a supportive, high-impact team of skilled developers to improve how our teams deploy and access services, how data moves … seamless data movement. Collaborate Cross-Functionally: Partner with various teams to ensure technical solutions are perfectly aligned with business requirements and user needs. Champion Engineering Excellence: Mentor fellow engineers and perform thorough code reviews to drive best practices in Golang. Automate for Scale: Identify opportunities to automate operations, making ...