126 to 150 of 239 Software Engineering Jobs in Northern Ireland

Weekday's clients Min Experience: 6 years Location: London JobType: full-time We are seeking a highly skilled and experienced Senior Software Engineer with deep expertise in Python to join our growing engineering team. In this role, you will be responsible for designing, developing, and maintaining scalable, high … mentoring junior engineers. Key Responsibilities Design, develop, and maintain robust, scalable backend systems and APIs using Python. Lead end-to-end development of complex software solutions, from concept to deployment. Write clean, efficient, and reusable code following best practices and coding standards. Collaborate with cross-functional teams including product ...

scalable, production-ready AI systems and modern data platforms. Who We're Looking For We're seeking a Senior Technical Product Manager with strong engineering acumen and product leadership experience to drive sophisticated AI and data platform initiatives. You bring the technical depth to engage in architecture discussions, evaluate … practicality, helping clients navigate the rapidly evolving AI landscape with confidence. Your background allows you to assess technical feasibility, identify risks early, and guide engineering teams toward optimal solutions. What You Will Do: Architect Product Strategy for Technical Platforms: Define product strategy for AI platforms, data infrastructure, and enterprise ...

Biller Genie in Belfast is seeking a Software Architect to define and own the technical vision for our fintech platform. You will lead the architectural roadmap, ensuring scalability, security, and quality while championing AI-enhanced development practices. The ideal candidate has over 9 years in software engineering ...

A leading technology company in Belfast is seeking a Senior Engineer to join a passionate team of Rubyists. The ideal candidate will lead the design and development of complex Rails applications, mentor engineers, and collaborate ...

deliver large-scale, multi-tenant cloud services — with a relentless focus on availability, fault-tolerance, and elegant architecture. You'll set the bar for engineering quality and help elevate those around you. Responsibilities Core Engineering & Ownership: Build and own scalable SaaS applications end-to-end — frontend, backend … Drive system availability and performance — investigate, analyze, and resolve reliability issues across the stack. Recognize opportunities and advocate for better performance and efficiency of software, systems, and processes across teams. Shift Left Testing & Quality: You champion a rigorous 'shift-left' quality culture, embedding comprehensive testing—unit, integration, and contract ...

have the flexibility to work from our London office or remotely from elsewhere within the UK. About the role As a Lead Software Engineer, you will spearhead our backend and edge/IoT engineering for high-stakes Defence projects, implementing patterns and practices that are both scalable … future-proof. You will bridge the gap between proof-of-concept and robust systems, raising the engineering bar across your team and the wider business unit. Acting as both a technical authority and a mentor, you’ll work alongside Machine Learning Engineers and Data Scientists to deliver production-grade ...

Currencies, and Commodities (FICC). Key Responsibilities Develop algorithms and strategic frameworks for next-generation risk management platforms Participate in all stages of the software development lifecycle Collaborate daily with traders, quantitative analysts, and senior stakeholders Design and implement robust risk calculation and reporting solutions Contribute to system architecture … NumPy, SciPy, and other scientific libraries Demonstrated experience in financial risk management systems development Understanding of FICC products, particularly in Emerging Markets Knowledge of software engineering design patterns and best practices Experience with market data feeds and consumption technology (e.g., Reuters, Bloomberg) Familiarity with yield curves and their ...

challenge and influence What would set you apart: Exposure to AI, machine learning or agentic AI, even in a personal or exploratory capacity A software engineering background alongside strong data skills Experience with modern data observability and governance tooling such as Atlan or Monte Carlo IaC experience with ...

scaling fintech company in Northern Ireland is seeking a Software Engineer to design and build high-performing solutions for the future of investment banking. The ideal candidate will have over 5 years of experience, strong backend coding skills, and familiarity with RESTful APIs in an Agile environment. Join ...

monthly Do you have 3+ years experience using PHP? Do you have 1+ years' commercial experience using NodeJS? A forward thinking Software Vendor is looking for a PHP Developer to be part of the internal IT systems development team. You will work in an agile environment with other teams … recommend suitable products and plan implementation Contribute to project planning (agile development) Support and suggest architectural decisions Experience Required: Web Developer 3+ years' commercial software development experience using PHP 1+ years' commercial experience using NodeJS Beneficial experience using Symfony Experience with Object-oriented techniques and relational databases (MySQL ...

feel working relationships, lead to a working culture of collaboration, learning, autonomy, and high performance. Our Product BlueOptima provides industry-leading objective metrics in software development using our proprietary Coding Effort Analytics; enabling Fortune 500 organizations to deliver better software, faster and more efficiently. We currently are located … Fortune 500 companies. Strong ability to drive own pipeline beyond just SDR/Marketing pipeline Previous experience in selling products or services into large software engineering organisations A passion for building long lasting relationships with stakeholders, both externally and cross functionally within BlueOptima. Experience selling security based products ...

evident in our world-class customer base. Now we need your help. Ready to make a difference in the world? Job Summary The Sr. Software Engineer will join the team responsible for Firstup's public APIs, Agentic tools, third-party integrations with enterprise systems such as HRIS platforms … with external enterprise systems, including HRIS platforms such as Workday, SAP SuccessFactors, and Dayforce. Build and maintain shared platform services used across the wider engineering organisation. Write high-quality code (reliable, readable, efficient, testable, scalable, maintainable), provide thorough code reviews, and create comprehensive tests and documentation. Apply broad ...

evident in our world-class customer base. Now we need your help. Ready to make a difference in the world? Job Summary The Sr. Software Engineer will join the team responsible for Firstup's public APIs, Agentic tools, third-party integrations with enterprise systems such as HRIS platforms … with external enterprise systems, including HRIS platforms such as Workday, SAP SuccessFactors, and Dayforce. Build and maintain shared platform services used across the wider engineering organisation. Write high-quality code (reliable, readable, efficient, testable, scalable, maintainable), provide thorough code reviews, and create comprehensive tests and documentation. Apply broad ...

Platform Consultant Expert for a hybrid role to define architecture patterns and integration standards. The ideal candidate will have over 5 years of software engineering experience, specializing in object-oriented programming and large-scale distributed systems. The role involves collaborating across teams for platform alignment and driving standardization. ...

will drive architectural patterns and integration standards, oversee AI platforms, and ensure scalable solutions. The position demands a minimum of 5 years of software engineering experience and proficiency in multiple programming paradigms. Ideal candidates should have expertise in cloud-native microservices, agile methodologies, and modern development tools. This ...

Business Consulting is looking for a skilled software engineer to develop high-performance video games on Android and Linux. The role involves maintaining C++ game code, managing Linux shell scripts, and debugging performance issues across multiple hardware variants. Ideal candidates have experience in Android development, Linux environments, and shell ...

organisation through an integration programme? Do you crave more autonomy and creative freedom? This opportunity is for a fully remote PHP Developer/PHP Software Engineer to join abusy and dynamic development team working on a LAMP stack. The team are currently utilising their own MVC framework with ...

responsible for designing, building and maintaining secure, scalable data platforms and pipelines that enable advanced analytics and operational intelligence capabilities. The role focuses on engineering robust data architectures capable of ingesting, processing and distributing large-scale datasets, supporting downstream analytics, machine learning and mission applications. The successful candidate will … work within multi-disciplinary agile teams, collaborating with data scientists, software engineers, DevOps specialists and mission analysts to deliver production-grade data solutions. Typical engagements include: Engineering large-scale data ingestion and processing pipelines Designing data lakes and distributed data platforms Enabling analytics and AI/ML workloads ...

achieve amazing results. We are driven by our passion for success and we are proud to deliver best-in-class payment technology and software solutions. Join our dynamic team and make your mark on the payments technology landscape of tomorrow.The RoleThe Merchantware and Semi‐Integrated platform is developed … ranging from small merchants to 70,000‐seat stadiums. Throughput and resilience are critical as the platform is running at 100% uptime.As a Senior Software Engineer on the Merchantware Gateway, you will contribute to the design and delivery of features on our product roadmap. You will develop backend services ...

Role Overview Join TP ICAP as a Senior Software Engineer and help shape the future of our digital platforms. You’ll be part of a talented team delivering business‐critical software for our internal broking division and external clients. This is an opportunity to work on high‐impact … offer a collaborative environment, opportunities for professional growth, and the chance to make a real impact. If you’re passionate about front‐end engineering and thrive in a fast‐paced, innovative setting, we’d love to hear from you. Key Responsibilities Collaborate with Solution Architects and Principal Engineers ...

from small merchants to 70,000-seat stadiums. Throughput and resilience are critical as the platform is running at 100% uptime. As a Senior Software Engineer on the Merchantware Gateway, you will contribute to the design and delivery of features on our product roadmap. You will develop backend services … occasionally frontend components where needed) in collaboration with other engineers, product partners and technology teams. You will help refine solutions, ensure code quality, improve engineering practices, and support the delivery of secure, scalable and reliable payment services. Duties include Designing and implementing roadmap features to a high standard within ...

Senior Software Engineer MCP/AI Tooling Really exciting Senior Software Engineer role to help build a new generation of AI-native developer infrastructure. This role focuses on designing and building Model Context Protocol (MCP) servers and tooling that securely expose platform capabilities to AI agents, internal systems … developer workflows. Youll work on the engineering foundations that enable large language models and agentic systems to interact safely, reliably, and effectively with real production environments. What Youll Be Doing Design and build MCP servers, tools, and integrations Develop secure APIs and services for AI agents and internal tooling ...

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 ...

culture, Ctrl Alt is where you can do the most rewarding work of your career. The Opportunity We’re looking for a Senior 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 … partners to access and place orders our platform Take a loosely defined problem through to a valid, technically sound, thoroughly documented, tested, and implemented software solution Collaborate with team members and other engineers across the company Advocate best coding practices to raise the bar for you, your team ...

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 ...