26 to 49 of 49 Full-Stack Development Jobs in Belfast

large user populations. Remain hands-on with software architecture, system design, code reviews and engineering decision-making. Set technical direction across full-stack ecosystems spanning frontend, backend, APIs, cloud services and platform components. Partner with senior technology and business stakeholders to align platform strategy with organisational … Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Visit ourGlobal Benefitspage to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming ...

Owners, Business Analysts, Technical Architects, UX/UI Designers and other team members to understand business requirements and drive the solution design and development of our digital products. You will have strong experience on React with Python and Large Language Models (LLMs) to support and enhance our client …/Vue.js is beneficial You will have some exposure to Python, contributing to the design, build, and support of scalable and secure full-stack web applications using FastAPI. Experience in Unit Testing with Jest Experience with GraphQL with React for efficient data fetching and state management ...

stays ahead of technology. QualificationsExperience of working in a Scrum Team and an Agile environmentDesign, build and support scalable and secure full-stack web applications using Python (FastAPI)Exposure to front-end development using React/Typescript. Support and enhance existing web applications … company's profits. Strong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with a dedicated quarterly Pathways Career Development programme. Flexible/remote working, Version 1 is tremendously understanding of life events and people's individual circumstances and offer flexibility to help achieve a healthy ...

verbal communication skills. Any Beneficial/Nice to have experience: Experience with Big Data technology (HDFS, Spark, Impala) Understanding of Cloud‐native development principles. Experience with Container Orchestration tools (Docker, Kubernetes, OpenShift, etc.). Proficiency in using Jira for tracking tasks, managing backlogs, and participating in sprint cycles. … Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Visit our About Us | Culture, Values & Benefits page to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where ...

solutions (e.g. architecture, configuration, release, support-handoverCollaborate and liaise with other Version 1 and customer stakeholders/end users in the software development lifecycle – PMs, BAs, Testing, Product etcAble to simply and clearly communicate technical designs in conversation, documentation and presentations to stakeholders of various technical abilities. Provide … company's profits Strong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with a dedicated quarterly Pathways Career Development programme Flexible/remote working, Version 1 is tremendously understanding of life events and people's individual circumstances and offer flexibility to help achieve a healthy ...

more UI back-ends (Rails, Swing, Node, etc.). Micro-frontend (MFE) experience, or a desire to ramp into it quickly. Cloud-native development, automating deployments, familiarity with container systems; AWS experience a plus. A keen eye for design and user experience. A keen eye for contracts: read … agents begin producing them. BSc or MSc in Computer Science or related field, or equivalent experience. Beneficial Experience Experience with AI-driven development (e.g. Claude Code, Codex) and agentic communication protocols (e.g. A2A, MCP) preferred. Large scale event processing a plus but not required. Why Proofpoint? At Proofpoint ...

98171091088Posted: 2026-08-21Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiSenior Software Engineer (Java Or Python) Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through … escalating, managing and reporting control issues with transparency. Key Skills and Experience requiredAdditional Job DescriptionExperience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPISolid frontend ...

reporting control issues with transparency. Key Skills and Experience required Additional Job Description Experience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPI Solid frontend … Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every ...

reporting control issues with transparency.**Key Skills and Experience required****Additional Job Description*** Experience in full‐stack application development with strong expertise in **Java or Python*** Deep experience with backend frameworks such as **Spring Boot/Spring Core** and **Flask/FastAPI*** Solid frontend … Insurance* Employee Assistance Program* Pension Plan* Paid Parental Leave* Special discounts for employees, family, and friends* Access to an array of learning and development resourcesVisit our About Us | Culture, Values & Benefits page to learn more.Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels ...

which directly impact our customers during their time of need, using the Pega platform – a widely known low code technology renowned for accelerating development and deployment. Check out Pega.com if you haven’t heard of the technology before – it’s pretty impressive. Although this technology has been around … quality, tested, secure customer-centric solutions using the Pega platform Integration of different technical components (web, API, database, UI, etc) to develop full-stack capabilities for Pega solutions Participating in daily stand-ups and contributing to an Agile development team that values the opinion ...

wants to grow, mentor others, and leave a real mark on a platform that matters. Key Responsibilities Take ownership of the design, development, testing, and deployment of software across the team Drive engineering improvements and communicate the principles behind your work clearly to the wider team Lead conversations … refactoring and delivery prioritisation Mentor and support junior engineers, helping raise the technical bar across the team Contribute to a well-defined software development lifecycle that supports planning, prioritisation, and delivery About You 5+ years' experience as a Full Stack Engineer in a professional ...

collaborating with operations and business stakeholders. Analyze issue patterns to drive improvements. Guide documentation efforts. Key Skills and Experience required: Java & Test-Driven Development are essential. React Front End Development Extensive experience system analysis and in programming of software applications Experience in managing and implementing successful … projects Subject Matter Expert (SME) in at least one area of Applications Development Competencies: Experience delivering successful projects into production that can be maintained within strict operational margins Ability to adjust priorities quickly as circumstances dictate and have experience working in fast paced development environments Ability ...

develop scalable web applications Collaborate with product and design teams Write clean, maintainable code Participate in code reviews Requirements 5+ years of full-stack development experience Expert knowledge of React and Node.js Experience with TypeScript Strong understanding of database design Experience with cloud platforms ...

extend) Location : Belfast – 3 days onsite, 2 days working from home Key Responsibilities: Design, develop, and maintain high-quality, scalable, and robust full-stack applications and services using Python, Java, and/or Go. Build and deploy containerized (Docker, Kubernetes) and serverless applications … 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 AWS and/ ...

Insurance* Employee Assistance Program* Pension Plan* Paid Parental Leave* Special discounts for employees, family, and friends* Access to an array of learning and development resourcesAlongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. … strengthen our controls, and help development teams adopt modern working methods. **The Role** We're seeking a technically versatile GenAI Full-stack Engineering Lead to join our department. You'll provide technical leadership and strategic direction, shaping the future of our software engineering efforts ...

Senior DevOps Engineer — Remote About Ayla Networks is a full-stack IoT platform and managed services partner for consumer smart home brands. Since 2010, Ayla has helped its customers build, grow, and evolve connected product ecosystems, handling the infrastructure, security, and OTA updates required to deliver … Ansible experience is also valuable. Proficiency with modern CI/CD tools, automation practices, and deployment workflows. Hands‐on experience using AI‐assisted development and automation tools such as Claude (preferred), Cursor, Gemini, or similar technologies. Strong understanding of DevOps architecture and operations, including infrastructure strategy, capacity planning ...

Belfast is seeking a Senior Software Engineer (Java or Python) to co-create and evolve financial software platforms. You will work on full-stack development, applying Spring Boot/Spring Core, Flask/FastAPI, and modern JavaScript frameworks to deliver scalable cloud-native applications. ...

resiliency and performance is maintained, and resolving issues if they arise. Fixing issues found internally and by our customers. Actively participating in Agile development activities and rituals, supporting the growth of the team and its members. Leading, mentoring, and growing a team of software engineers, based across … company values What we’re looking for Demonstrable experience in building horizontally‐scalable mission‐critical enterprise software and services Experience of cloud service development (public/hybrid/private cloud PaaS or SaaS) Previous experience of leading/mentoring engineering teams, including management of remote staff. Strong stakeholder ...

backend teams. This high-ownership role demands deep JavaScript/TypeScript skills, React expertise, and experience with large-scale systems, cloud-native development, and on-call rotations. #J-18808-Ljbffr ...

Belfast is seeking a Senior Full-Stack Developer to join our Technology Consulting practice. You will operate at a senior level, blending hands-on delivery with technical leadership, mentorship, and ownership of complex systems. You will learn new technologies, lead developer teams and understand a product ...

Belfast is actively growing its Digital Engineering team and expanding full-stack engineering capability. This is a fantastic opportunity for a senior developer who combines hands-on delivery with technical leadership, mentorship, and ownership of complex systems. Ready to learn new technologies and lead teams ...

provides a "single 'front door'" for customers. By using a "unified API”, barriers to consumption are removed, integration time is reduced, development costs lowered, and a consistent experience provided across all data latencies (Real-time, Recent History, and Deep History), data types (time series, metadata, unstructured) and services. … teams to build the capabilities to track user activity With the goal to generate insights into user activity and product value. + Full-Stack Execution: Be a key stakeholder in the "plumbing" of the API lifecycle, including GitHub governance, and CI/CD pipelines for PyPi ...

provides a "single 'front door'" for customers. By using a "unified API", barriers to consumption are removed, integration time is reduced, development costs lowered, and a consistent experience provided across all data latencies (Real-time, Recent History, and Deep History), data types (time series, metadata, unstructured) and services. … intelligence teams to build the capabilities to track user activity With the goal to generate insights into user activity and product value. Full-Stack Execution: Be a key stakeholder in the "plumbing" of the API lifecycle, including GitHub governance, and CI/CD pipelines for PyPi ...

Arqit Limited in Belfast is seeking a Technical Team Lead to balance hands‐on software engineering with team management across the UK. The role splits time between technical leadership, delivery and people management, and requires ...