delivery quality, stability, and technical excellence Bonus experience: Previous experience in financial services, trading platforms, or commodities technology Knowledge of scaled agile methodologies (e.g., SAFe) Exposure to DDD, CQRS, GraphQL, actor-based frameworks (e.g., Akka, Orleans) Cloud experience (preferably AWS, but Azure/GCP also considered) Working knowledge of containerisation (Docker, Kubernetes) Location: Hybrid working - with travel to London as More ❯
stakeholder management and communication skills. Desirable Experience: Background in trading platforms, financial markets, or commodities. Knowledge of Scaled Agile Framework (SAFe). Exposure to Domain Driven Design (DDD), CQRS, GraphQL, or streaming architectures. Experience with AWS or other cloud platforms. Knowledge of actor frameworks (DAPR, AKKA, Orleans) and containerisation tools. What You'll Get: Senior leadership role in a world More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
JR United Kingdom
DevOps – Manage deployments, CI/CD pipelines, and cloud infrastructure (AWS, Azure, or equivalent). Database & API Management – Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation Code Review & Quality Assurance Security Best Practices Skills and Experience: Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQLMore ❯
in engineering best practices, and support more junior developers within the team. Key Responsibilities Design and develop scalable, distributed systems using modern engineering principles Develop and maintain APIs (REST, GraphQL) and data integrations Contribute to the continuous delivery pipeline and cloud infrastructure Take ownership of key features, ensuring timely and high-quality delivery Support Agile delivery through active involvement in More ❯
grade software Real-world experience scaling systems in startup/hypergrowth environments Knowledge of AI-augmented development tools Contributions to open-source or technical blogs Experience with WebSockets, gRPC, GraphQL, message queues Location, Flexibility & Perks Hybrid Work: Balance remote flexibility with a few days in the Belfast city-centre office Flexible Hours: Collaborate with US-based teams on your own More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
APEX Fintech Services LLC
building scalable solutions with cloud platforms. Proven experience in at least one modern language Golang and or Java. Experience using and/or designing with RESTful/GRPC/GraphQL APIs Experience with Google Cloud Platform/AWS/Azure is required. Experience with Kubernetes and/or Docker is a plus. Experience with Apache Kafka, or Google Pub/ More ❯
Demonstrated leadership and project management skills Consistently demonstrates clear and concise written and verbal communication Strong command on Java (Core, JDBC, MT, Collections, I/O), Spring Boot, REST, GraphQL web services Sound understanding of SQL/PL-SQL on Oracle DB Extensive working knowledge on container platform based on Kubernetes, Kafka, Redis Experience with Unix commands, shell scripting. Strong More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
INOVERSE GROUPE
knowledge of JavaScript/TypeScript. Proven expertise in React, or similar frameworks. Solid understanding of state management (e.g., Redux, Pinia) and component-based architecture. Experience integrating with RESTful and GraphQL APIs. Familiarity with performance optimisation, accessibility best practices, and cross-browser compatibility. Strong communication skills and a collaborative mindset. A track record of technical leadership and mentoring. Nice to Have More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
H&R Talent
a back-end engineer on the project, you will work across the backend technology stack, which consists of: Containerised ASP.NET Core microservices (.NET 7), interfacing with gRPC, Kafka and GraphQL On-premise Kubernetes clusters (Red Hat OpenShift) running Linux containers Realtime Kafka stream processing with Flink and Flink SQL Historical data stored in Microsoft SQL Server and Snowflake, transformed with More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
Ocho
Experience: Expert-level C# development with experience in .NET Core and .NET Framework Experience designing and building distributed, event-driven systems Strong API development skills (REST and/or GraphQL) Proficient in relational databases (MSSQL, MySQL, etc.) Experience deploying and managing applications in cloud environments (AWS or Azure) Hands-on involvement across the SDLC including QA and production support What More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
iO Associates - UK/EU
knowledge of JavaScript/TypeScript. Proven expertise in React, or similar frameworks. Solid understanding of state management (e.g., Redux, Pinia) and component-based architecture. Experience integrating with RESTful and GraphQL APIs. Familiarity with performance optimisation, accessibility best practices, and cross-browser compatibility. Strong communication skills and a collaborative mindset. A track record of technical leadership and mentoring. Nice to Have More ❯
Newtownabbey, Northern Ireland, United Kingdom Hybrid / WFH Options
JR United Kingdom
environment. What You'll need: Proven expertise in React, or similar frameworks. Solid understanding of state management (e.g., Redux, Pinia) and component-based architecture. Experience integrating with RESTful and GraphQL APIs. Strong communication skills and a collaborative mindset. A track record of technical leadership and mentoring. Nice to Have Exposure to backend systems or full-stack development. Experience with AI More ❯
front-end applications, full-stack systems, and QA automation, while also shaping product delivery, architecture, and engineering culture. Key Responsibilities: * Lead distributed engineering teams delivering secure, scalable RESTful and GraphQL APIs built in Java * Support front-end delivery using React and , and oversee internal tooling built with ASP.NET * Embed quality throughout the SDLC, supporting QA teams using Playwright, SpecFlow, and More ❯
technical documentation. Excellent problem-solving skills and a proactive attitude to tackle challenges independently. Strong team player with excellent communication and collaboration skills. A mix of the following - AWS, GraphQL, DynamoBD, PostgresSQL, Kubernetes, Go About You Youre the right match if you: Are fed up working at a corporate company, where your technical skills are restrained by red tape Have More ❯