/GitHub, DevOps tools, metrics/monitoring, ) Proficiency in front-end technologies: JavaScript, Typescript, React.js, Angular.js or similar. API development using technologies and standards like REST/GraphQL/gRPC or similar. Experience in an open-source web framework preferably implemented in Python, Java, Scala, or similar. Experience with Authentication & Authorisation Mechanisms e.g OAuth2 Application experience of CI/CD More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Holland & Barrett International Limited
services in Golang Knowledge of RESTful APIs, microservices, and relational databases like PostgreSQL Familiarity with CI/CD pipelines (GitLab, GitHub Actions) and cloud platforms (AWS preferred) Knowledge of gRPC & Protocol Buffers for service design and RPC communication Strong collaboration and communication skills Passion for clean, secure, and scalable code A solid track record of contributing to high-impact engineering More ❯
based device drivers Some Golang services, potentially more as we scale Typescript with React SQL and NoSQL databases: PostgreSQL, Couchbase, DynamoDB Event-driven architecture, employing technologies such as Kafka, gRPC and Protobuf for event definitions Solver technology and algorithms to drive our workflow scheduling solver engine Deployment on AWS to IoT Greengrass, ECS, Lambda and EKS, with infrastructure managed via More ❯
etc.) TDD, CI/CD, and agile delivery experience Ability to deliver from design to deployment Bonus Points: Experience in Front Office, Risk, or Pricing within investment banking Kafka, GRPC, Docker/Kubernetes, cloud-native development Knowledge of risk sensitivities and front-to-back processes Join a leading global financial group and help shape the next generation of trading and More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Pontoon
etc.) TDD, CI/CD, and agile delivery experience Ability to deliver from design to deployment Bonus Points: Experience in Front Office, Risk, or Pricing within investment banking Kafka, GRPC, Docker/Kubernetes, cloud-native development Knowledge of risk sensitivities and front-to-back processes Join a leading global financial group and help shape the next generation of trading and More ❯
algorithms, data structures, concurrency) Proven track record delivering applications from design to production Desirable Experience: Background in investment banking, particularly Risk or Pricing domains Cloud-native development (EKS, Docker, GRPC, Redis, Prometheus, etc.) Kafka, event-driven systems, and stateful workflow orchestration Familiarity with financial instruments and risk sensitivities This is a fantastic opportunity to work on high-impact systems in More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Pontoon
algorithms, data structures, concurrency) Proven track record delivering applications from design to production Desirable Experience: Background in investment banking, particularly Risk or Pricing domains Cloud-native development (EKS, Docker, GRPC, Redis, Prometheus, etc.) Kafka, event-driven systems, and stateful workflow orchestration Familiarity with financial instruments and risk sensitivities This is a fantastic opportunity to work on high-impact systems in More ❯
a day. About you You have a strong passion for front end development and user experience. You have commercial experience working with NextJS using protocols such as GraphQL and gRPC in a production environment. You're familiar with accessibility standards and understand how to build inclusive user interfaces. You've seen projects through the entire development lifecycle, from ideation to More ❯
customers happy Contribute to our customer-facing REST API core functionalities ️ Our Tech Stack Services are written in Go, deployed in AWS ECS and communicate with our app with gRPC Our app is written in Dart with Flutter and available on both Android and iOS Our NALA for Business product is web only and written in React and Typescript. We More ❯
in developing interactive products with realtime technologies (e.g. Websocket) Experience with AWS services (S3, EC2, RDS, DynamoDB, ElastiCache etc) Working basic knowledge of infra technologies and processes (deployment, contracts, gRPC etc) to co-design solutions with our other engineers Working knowledge of microservices architecture Working knowledge of distributed event stream platforms for high-performance data pipelines (e.g. Kafka etc) What More ❯
and future use cases for our existing products, with the aim of anticipating and accelerating the company's revenue growth expectations through technology. Technologies we work with include: C#, gRPC, Kafka, Kubernetes, Postgres, Cassandra, Gatsby, Keycloak, Typescript What will you be doing at DeepL Based in our London hub, the Senior Staff Engineer will own and drive technical decisions to More ❯
NoSQL/Postgres Familiarity with CI/CD tools such as Jenkins and Git Clear communicator with strong teamwork and problem-solving skills Desirable Skills: Experience with Kafka, GraphQL, gRPC, Docker Test-driven development (TDD/BDD) Agile methodologies (Scrum, Kanban, SAFe) Exposure to cloud-native patterns and services If you're passionate about building high-performing backend systems in More ❯
and Product 20% Hands-on ie System design/writing code ️ Our Tech Stack Services are written in Go, deployed in AWS ECS and communicate with our app with gRPC Our app is written in Dart with Flutter and available on both Android and iOS Our back-office/and Rafiki's customer facing web app is written in Typescript More ❯
engineers, drive technical excellence, and contribute to a strong engineering culture ️ Our Tech Stack Services are written in Go, deployed in AWS ECS and communicate with our app with gRPC Our app is written in Dart with Flutter and is available on both Android and iOS Our NALA for Business product is web-only and written in React and TypeScript. More ❯
in Agile teams and communicating clearly across engineering, product, and security stakeholders Passionate about improving developer experience and contributing to team knowledge-sharing Nice to Have: Experience with Kafka, gRPC, GraphQL, or policy-as-code tools like Sentinel or OPA Contributions to internal or open-source platforms Familiarity with building cost-optimized and compliant infrastructure in regulated environments Rates depend More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Intellect Group
LangChain , or CrewAI . Support the integration of AI safety techniques into system design and deployment. Help implement real-time and batch inference pipelines with secure APIs (REST/gRPC, event-driven). Work on the construction and maintenance of enterprise knowledge graphs used in intelligent search and recommendation systems. Assist in training and deploying graph neural networks for tasks More ❯
your responsibilities Master your toolkit. By working across diverse tech stacks, you'll refine your ability to choose the right tools for every challenge. From monolithic to microservices architectures, gRPC to REST APIs, Kubernetes to Docker, Python to Rust-you'll show that true expertise isn't about using the trendiest technologies, but about understanding their purpose to unleash their More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Intellect Group
/CTF transaction monitoring modules using both traditional statistical methods and modern ML techniques. Develop and deploy machine learning monitors using tools such as TensorFlow, OpenAI APIs, LangChain, Pytest, gRPC, and Python. Assist in implementing generative AI summarisation pipelines and agent communication protocols within a multi-agent system. Drive Deployment and ML Operations: Collaborate with DevOps to containerise and deploy More ❯
/CTF transaction monitoring modules using both traditional statistical methods and modern ML techniques. Develop and deploy machine learning monitors using tools such as TensorFlow, OpenAI APIs, LangChain, Pytest, gRPC, and Python. Assist in implementing generative AI summarisation pipelines and agent communication protocols within a multi-agent system. Drive Deployment and ML Operations: Collaborate with DevOps to containerise and deploy More ❯
scalable frontend systems and migrating legacy codebases to modern frameworks. Deep understanding of accessibility standards (WCAG) and a passion for building inclusive user experiences. Experience working with GraphQL and gRPC APIs in production environments. Exceptional leadership and communication skills, comfortable mentoring engineers and influencing cross-functional teams. Strong advocate for engineering best practices, test-driven development, and continuous delivery. A More ❯
Azure Cloud expertise - Good knowledge with compute, storage, networking, security, and CI/CD pipelines across Azure. API architecture - Strong experience designing, implementing, and securing RESTful and/or gRPC APIs. Real-time data systems - Skilled in message streaming with platforms like Kafka, Azure Event Hubs, or RabbitMQ. Leadership in fast-paced environments - Proven track record as a tech lead More ❯
at the intersection of Software Development, and Data/ML Engineering Proficiency with Python and databases in high scale environments. Hands-on experience with message queues like RabbitMQ, NATS, gRPC, REST or others. Familiarity with cloud infrastructure, ops and containerised tools like K8s, Docker or others. Experience in designing, building, and maintaining data collection tools, caching/storage systems, queues More ❯
incident resolution. Qualities we look for Proficiency in a modern programming language with solid experience in backend development. Exposure to or familiarity with our tech stack (C#, .NET Core, gRPC) or similar technologies would be beneficial but is not a strict requirement. What's more important is your willingness and ability to learn new technologies quickly. Experience in building and More ❯
technical role (e.g. Solutions Engineer, Integration Specialist, SDET). Strong proficiency in Python and SQL , including joins and aggregations. Hands-on experience integrating with APIs (REST and/or gRPC) Excellent troubleshooting skills using logs and backend tools. Strong communication , time management, and task prioritization skills. Proven ability to work across both development and client-facing responsibilities. Comfortable owning delivery More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Insight Global
technical role (e.g. Solutions Engineer, Integration Specialist, SDET). Strong proficiency in Python and SQL , including joins and aggregations. Hands-on experience integrating with APIs (REST and/or gRPC) Excellent troubleshooting skills using logs and backend tools. Strong communication , time management, and task prioritization skills. Proven ability to work across both development and client-facing responsibilities. Comfortable owning delivery More ❯