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 ❯
experience in performant and scalable database design in SQL, NOSQL and GRAPH databases such SQL Server/PgSQL, MongoDB, Cassandra, Redis ,Apache Druid • Solid experience in REST APIs, GraphQL & gRPC • Strong hands-on experience in GitHub/GitLab and testing tools/frameworks such as SonarQube, xUnit, Postman, Cucumber, Polaris, Blackduck. • Strong hands-on experience in any one or more 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 ❯
architecture Hands-on experience working on complex, data-intensive applications A product-focused mindset and familiarity with working in technology-driven organisations or start-ups Experience with Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects If you're a Senior Go Developer looking for a fast-paced, collaborative contract More ❯
have an intense roadmap ahead, which includes a plethora of new features and integrations, which you will be part of. Our tech stack: Languages: TypeScript, Javascript Libraries and frameworks: gRPC, Redux, React Native, React, Next.js Datastores: Vitess, MySQL, CockroachDB, BigQuery, Redis Infrastructure: Google Cloud Platform, Kubernetes, Docker, PubSub, Terraform Monitoring: Grafana, Prometheus, Sentry, Metabase About you: You are a frontend More ❯
memory management, garbage collection, performance optimization Knowledge of networking, distributed systems, data structures, and consistency algorithms Java JDK 17+ Knowledge of the following is desirable: Data Serialization and Transport (gRPC, Shared Memory, Protobuf) Distributed Data Stores (MongoDB, ElasticSearch, Hadoop, CockroachDB) Designing APIs (well-crafted, supporting backwards compatibility) In-memory Data Stores (SQLite, RocksDB) Popular Java Frameworks (Spring, Hibernate) Performance Benchmarking More ❯
Market/Credit risk with a good understanding of risk sensitivities and f2b processes. Hands-on experience with dynamic scalability; cloud deployment (EKS/Nomad), container/docker deployment, GRPC services, Cloud based services (Prometheus, Elastic Search, databases, Redis, ...) Experience with Kafka or event processing thru message bus Experience with Workflow/Scheduling/State management If you believe More ❯
Market/Credit risk with a good understanding of risk sensitivities and f2b processes. Hands-on experience with dynamic scalability; cloud deployment (EKS/Nomad), container/docker deployment, GRPC services, Cloud based services (Prometheus, Elastic Search, databases, Redis, ...) Experience with Kafka or event processing thru message bus Experience with Workflow/Scheduling/State management If you believe More ❯
latest in frontend technology. As the Senior Frontend Engineer, you'll guide your team through the development of new interactive features and integrations with backend services using tools like gRPC Gateway and Protocol Buffers. You'll ensure the team delivers high-quality code, fosters innovation, and contributes directly to the business's success. Additionally you'll oversee the development of More ❯
to our entire tech stack. From our backend services (Kotlin), our mobile app (Flutter/Dart), internal tooling (Next.js/TypeScript), and model training pipelines (Python). We use gRPC and GCP (Kubernetes, Cloud Run) as our primary cloud provider. About you: Thrive building mobile and web applications zero-to-one. Working with different technologies across the whole vertical, including More ❯
pipelines Preferred qualifications • Experience with Server-Driven UI • Experience with Web Assembly (WASM), Service Workers and Progressive Web Apps • Experience with Go services deployed to Kubernetes • Experience with Microservices, gRPC, containerisation and Event-driven architectures. • Some experience managing Cloud resources, infrastructure as code, and site reliability engineering. We are an equal opportunity employer and value diversity at our company. We More ❯
pipelines Preferred qualifications • Experience with Server-Driven UI • Experience with Web Assembly (WASM), Service Workers and Progressive Web Apps • Experience with Go services deployed to Kubernetes • Experience with Microservices, gRPC, containerisation and Event-driven architectures. • Some experience managing Cloud resources, infrastructure as code, and site reliability engineering. We are an equal opportunity employer and value diversity at our company. We More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
ASSA ABLOY Global Solutions
also be desirable. (MQTT, Serial, Bluetooth, NFC, UDP, TCP/IP). Experience in building REST APIs and WebSocket communication would also be desirable. Experience in the use of gRPC would be desirable. Experience in the use of Hibernate ORM would be desirable. Experience in Secure Software Development Lifecycle (SSDL) would be desirable. Although not essential, experience in the following More ❯
Norwich, Norfolk, United Kingdom Hybrid / WFH Options
Rainbird Technologies
thrives in agile environments Ability to work independently and take ownership of tasks from start to finish Preferred Experience 3+ years of professional software engineering experience Familiarity with GraphQL, gRPC, REST API design Experience with relational databases such as MySQL or PostgreSQL Exposure to AI, LLM integrations, or symbolic/neural hybrid systems Background in enterprise SaaS delivery or platform More ❯
technologies, cloud native architecture and cloud integration with telco services. • Comfortable with virtualisation and container orchestration technology. • Experience designing RESTful APIs. • Experience with streaming and messaging systems such as gRPC, Kafka and RabbitMQ. • Experience designing and interfacing with user portals. • Experience with monitoring, telemetry and observability technology and patterns. • Understanding of BSS/OSS systems and their integration with network More ❯
best practices, and driving initiatives to improve code quality and system performance. What You'll Do: Design, develop, and maintain robust applications and services in Go Build and manage gRPC and RESTful APIs for scalable system integration Work with PostgreSQL or similar relational databases for high-performance querying and storage Deploy and operate applications in Kubernetes, leveraging Helm charts and 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 ❯
text and time series data Experience developing EVM smart contracts with Solidity and modern toolchains (Foundry or Hardhat). Experience with real time subscription frameworks (GraphQL subscriptions, WebSockets) or gRPC streaming for live data updates More ❯
expertise in designing, evolving, and documenting schemas (OLAP/OLTP, dimensional, star/snowflake, CDC), data contracts, and data cataloguing. API & Integration Fluency: Building data ingestion from REST/gRPC APIs, file drops, message queues (SQS, Kafka), and 3rd party SaaS integrations, with idempotency and error handling. Storage & Query Engines: Strong with RDBMS (PostgreSQL, MySQL), NoSQL (DynamoDB, Cassandra), data lakes 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 ❯
documentation-first development Enthusiasm for using AI tooling to aid development Proven experience deploying, monitoring, and troubleshooting microservices in a production environment at scale. Designing quality APIs (like REST, gRPC, GraphQL, OpenAPI etc.) and integrating with 3rd party APIs. API Security (OAuth2, SAML, JWT etc) Strong at the usual best practices stuff: git, TDD, OOP principles (SOLID, design patterns etc More ❯
Java with clean code principles, test coverage, and performance awareness. Service Architecture : experience building and operating high-availability, distributed systems (microservices and event-driven). API Design : REST and gRPC, with versioning, throttling, auth, and schema validation (OpenAPI, Pydantic, Protobuf). Datastores : deep knowledge of RDBMS (PostgreSQL/MySQL), NoSQL (DynamoDB, Redis, Cassandra), and storage optimization techniques. Asynchronous Processing : familiarity More ❯
to real impact at scale. Ideal for engineers with broad experience and a background in start-up or scale-up settings. Tech Stack : Essential: TypeScript, React, GraphQL, Protobuf/gRPC, Postgres Nice to Have: Node.js or Go Interview's are taking place next week with an anticipated start date being 04/08. Please do apply with your latest CV More ❯