Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute across the entire SDLC write and enhance well structured, testable, scalable and efficient code setup and maintain development More ❯
london (city of london), south east england, united kingdom
develop
Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute across the entire SDLC write and enhance well structured, testable, scalable and efficient code setup and maintain development More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Fruition Group
design and architecture Background in complex, large-scale, data-driven applications Product-focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you’re a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Fruition Group
design and architecture Background in complex, large-scale, data-driven applications Product-focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you’re a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech More ❯
incl Scrum, Kanban, SAFe, Test-Driven Development (TDD), Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL · Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such as GIT More ❯
london (city of london), south east england, united kingdom
American Express
incl Scrum, Kanban, SAFe, Test-Driven Development (TDD), Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL · Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such as GIT More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Fruition Group
e.g. Prometheus, Grafana, structured logging) Confident debugging and resolving issues in complex distributed systems Product-oriented mindset with a collaborative approach to improving developer experience Bonus: experience with Kafka, gRPC, or contributing to open-source projects If you’re a Senior Platform Engineer who thrives on building tools and systems that empower developers and accelerate delivery, apply today. The client More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Fruition Group
e.g. Prometheus, Grafana, structured logging) Confident debugging and resolving issues in complex distributed systems Product-oriented mindset with a collaborative approach to improving developer experience Bonus: experience with Kafka, gRPC, or contributing to open-source projects If you’re a Senior Platform Engineer who thrives on building tools and systems that empower developers and accelerate delivery, apply today. The client More ❯
data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations (Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI More ❯
london (city of london), south east england, united kingdom
Primis
data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations (Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI More ❯
CI, or Jenkins Good understanding of Google Cloud Platform and services such as Cloud Run, Cloud SQL, and Pub/Sub Exposure to modern API technologies including GraphQL, REST, gRPC, or Protobuf Thrives in fast paced, collaborative environments and enjoys problem solving Willing to pick up new tools and frameworks when required It would be beneficial to have Python knowledge More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ocean Orchestra
Ship high-quality, user-focused features (that change Oceans and planet) fast. What We’re Looking For 5+ years of backend expertise in Go including API design, microservices architecture, gRPC/REST services, and database design (PostgreSQL, Redis). Frontend proficiency with React/Next.js, responsive design, and modern JavaScript/TypeScript Cloud infrastructure knowledge including AWS services, CI/ More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Ocean Orchestra
Ship high-quality, user-focused features (that change Oceans and planet) fast. What We’re Looking For 5+ years of backend expertise in Go including API design, microservices architecture, gRPC/REST services, and database design (PostgreSQL, Redis). Frontend proficiency with React/Next.js, responsive design, and modern JavaScript/TypeScript Cloud infrastructure knowledge including AWS services, CI/ More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
You'll have tons of autonomy and become an integral part of their engineering function alongside the Lead Frontend Engineer & Head of Tech. Stack: Must have: Go | REST APIs | gRPC Microservices | DynamoDB | MySQL | Agile A big plus! Docker | Kubernetes | React | CI/CD | AWS & GCP What you'll do: Tech Leadership Lead a high-impact project end-to-end Set More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
You'll have tons of autonomy and become an integral part of their engineering function alongside the Lead Frontend Engineer & Head of Tech. Stack: Must have: Go | REST APIs | gRPC Microservices | DynamoDB | MySQL | Agile A big plus! Docker | Kubernetes | React | CI/CD | AWS & GCP What you'll do: Tech Leadership Lead a high-impact project end-to-end Set More ❯
City of London, London, United Kingdom Hybrid / WFH Options
X4 Technology
of learning trading workflows and identifying opportunities where technology can add commercial value Requirements for the Front Office Software Engineer: Strong C#/.NET (Core, ASP.NET Core, Web API, gRPC) Web technologies, particularly Angular Comfortable with Azure cloud platforms Good working knowledge of Python and its applications Understanding of database design (SQL Server, Cosmos DB, or similar) Familiarity with modern More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
X4 Technology
of learning trading workflows and identifying opportunities where technology can add commercial value Requirements for the Front Office Software Engineer: Strong C#/.NET (Core, ASP.NET Core, Web API, gRPC) Web technologies, particularly Angular Comfortable with Azure cloud platforms Good working knowledge of Python and its applications Understanding of database design (SQL Server, Cosmos DB, or similar) Familiarity with modern More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
APIs for mobile or web clients. ? Deep experience with distributed systems, microservices architecture, and event-driven patterns. ? Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka). ? Experience integrating third-party AI/ML APIs (e.g., LLMs, STT/TTS, or other complex services) into production systems. ? Experience with containerization (Docker, Kubernetes) and deploying/ More ❯
Server, or PostgreSQL. Knowledge of CI/CD principles and Agile/Scrum development practices. Excellent communication skills and a proactive, solution-focused mindset. Desirable extras: Experience with GraphQL , gRPC , Kafka , or Reactive Extensions (RX) . Exposure to the energy, commodities, or financial services sectors. This is an opportunity to contribute to an ambitious, data-driven organisation where your work More ❯
london (city of london), south east england, united kingdom
SGI
Server, or PostgreSQL. Knowledge of CI/CD principles and Agile/Scrum development practices. Excellent communication skills and a proactive, solution-focused mindset. Desirable extras: Experience with GraphQL , gRPC , Kafka , or Reactive Extensions (RX) . Exposure to the energy, commodities, or financial services sectors. This is an opportunity to contribute to an ambitious, data-driven organisation where your work More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Cogna
Cursor agent mode) into our daily engineering, creating guardrails, and helping others ship high-quality code faster. What you’ll do Own backend features and API integrations (Python, FastAPI, gRPC, SQL). Adapt and extend auto-generated pipelines and front-end outputs. Build connectors for APIs, files, and external systems. Integrate LLM-based capabilities with robust evaluation and monitoring. Champion More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Cogna
Cursor agent mode) into our daily engineering, creating guardrails, and helping others ship high-quality code faster. What you’ll do Own backend features and API integrations (Python, FastAPI, gRPC, SQL). Adapt and extend auto-generated pipelines and front-end outputs. Build connectors for APIs, files, and external systems. Integrate LLM-based capabilities with robust evaluation and monitoring. Champion More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
data-intensive user interfaces (e.g., chat applications, financial dashboards, real-time streaming apps). ? Strong experience integrating with backend APIs and services, particularly consuming real-time data via WebSockets, gRPC, or similar protocols. ? Proficiency in translating high-fidelity designs (e.g., Figma, Sketch) into beautiful, performant, and maintainable code. ? A strong understanding of Android UI performance optimization, memory management, and threading More ❯