UK based) with a London HQ Work on high-scale backend systems that process large volumes of data Modern tech stack: Ruby on Rails, PostgreSQL, Redis, Sidekiq, AWS, Docker, Kubernetes Opportunity to influence technical decisions & contribute to architectural improvements Key Responsibilities: Developing & optimising scalable backend systems in Ruby on Rails More ❯
in CS, Engineering, Mathematics, Finance, etc. Proficiency in Python, SQL , and one or more: R, Java, Scala Experience with relational/NoSQL databases (e.g., PostgreSQL, MongoDB) Familiarity with big data tools (Hadoop, Spark, Kafka), cloud platforms (Azure, AWS, GCP), and workflow tools (Airflow, Luigi) Bonus: experience with BI tools , API More ❯
london, south east england, united kingdom Hybrid / WFH Options
KE Technology
UK based) with a London HQ Work on high-scale backend systems that process large volumes of data Modern tech stack: Ruby on Rails, PostgreSQL, Redis, Sidekiq, AWS, Docker, Kubernetes Opportunity to influence technical decisions & contribute to architectural improvements Key Responsibilities: Developing & optimising scalable backend systems in Ruby on Rails More ❯
. You Have 2+ years of professional experience with Node.js & TypeScript. Familiarity with Express.js, NestJS, or similar frameworks. Experience with SQL/NoSQL databases (PostgreSQL, MongoDB, etc.). Understanding of RESTful APIs & GraphQL. Knowledge of Cloud services (AWS, GCP, or Azure) is a plus. A proactive mindset and eagerness to More ❯
days a week in the Central London office Up to £85,000 per annum plus equity Tech Stack: Python, Django, React, AWS, Postgres, REST Are you a Full Stack Software Engineer who is ready to take the next big leap in your career and be part of something truly ground More ❯
Scrum Kanban SAFe TestDriven 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 andor JIRA More ❯
focus on backend development. Experience building analytics and marketing tools (e.g., dashboards, tracking systems, attribution models). Strong experience with Django (or Flask) and PostgreSQL . Solid understanding of data pipelines, event tracking, and API integrations . Proficiency in React, TypeScript, and frontend visualization frameworks (e.g., D3.js, Chart.js, Recharts) . More ❯
focus on backend development. Experience building analytics and marketing tools (e.g., dashboards, tracking systems, attribution models). Strong experience with Django (or Flask) and PostgreSQL . Solid understanding of data pipelines, event tracking, and API integrations . Proficiency in React, TypeScript, and frontend visualization frameworks (e.g., D3.js, Chart.js, Recharts) . More ❯
experience with AWS services Experience with RESTful API development and microservice architectures Familiar with containerization technologies such as Docker Knowledge of database management systems (PostgreSQL) Excellent communication and problem-solving skills Fluent in English; Dutch is preferred If you wish to be considered for the position available, please e-mail More ❯
in Java development Thorough knowledge of and experience with Java EE/Jakarta EE and/orSpringBoot Experience with relational databases, preferably Oracle or Postgresql Experience with a deployment platform based on Kubernetes, preferably OpenShift Be able to work smoothly with GIT Version Management Other skills: Team player. But also More ❯
actionable, and impactful! Role Overview We're seeking skilled Full-Stack Software Engineers focused on delivering robust, scalable applications using React (TypeScript) , Golang , GraphQL , Postgres, and Snowflake . As a vital part of our software team, you'll play a key role in transforming software requirements into high-performing, user More ❯
Windows & Linux scripting (Batch files/Powershell/Bash) Good knowledge of Python Working knowledge of C/C++, Make, CMake Working knowledge of Postgres or SQL in general Problem solving attitude Experience with configuration management tools like Ansible Experience working within a mature continuous development process highly desirable Experience More ❯
culture, processes, and quality What We’re Looking For 3+ years of experience in fullstack JavaScript (Node.js, React, TypeScript) Solid SQL knowledge, ideally with PostgreSQL Hands-on experience in an early-stage or fast-moving environment Problem-solver who’s comfortable with ambiguity and change Strong communicator, both technically and More ❯
culture, processes, and quality What We’re Looking For 3+ years of experience in fullstack JavaScript (Node.js, React, TypeScript) Solid SQL knowledge, ideally with PostgreSQL Hands-on experience in an early-stage or fast-moving environment Problem-solver who’s comfortable with ambiguity and change Strong communicator, both technically and More ❯
Comfortable working in an early-stage, high-trust environment Nice-to-Have Experience with embedded or resource-constrained systems Familiarity with Docker, Kubernetes, and PostgreSQL Exposure to ML or autonomy platforms What’s Offered Competitive salary Significant equity (EMI scheme) Private medical and dental cover 7% employer pension contribution Free More ❯
developers to enhance existing business-critical applications, including trading and risk systems. Design and develop new applications using Python, JavaScript , and SQL Server/PostgreSQL . Work in tandem with quant analysts to ensure maintenance and optimization of a large code base. Engage with cross-functional teams, including Trading, Operations More ❯
developers to enhance existing business-critical applications, including trading and risk systems. Design and develop new applications using Python, JavaScript , and SQL Server/PostgreSQL . Work in tandem with quant analysts to ensure maintenance and optimization of a large code base. Engage with cross-functional teams, including Trading, Operations More ❯
Nottingham, England, United Kingdom Hybrid / WFH Options
Digital Waffle
/ML tools or data-led platforms Tech Stack Overview Backend: NestJS/Node.js/TypeScript Frontend: Vue 3/TypeScript Cloud: AWS Databases: PostgreSQL/MongoDB Tools: Rush (monorepo), GitHub, Notion, Linear Comms: Slack, Zoom, Around If you're a seasoned engineer who thrives in a leadership role and More ❯
Strong hands-on skills with AWS Lambda , DynamoDB , Step Functions Experience with SQS, SNS, S3, EventBridge, API Gateway , and related services Confident with RDBMS (PostgreSQL preferred), IAM , CloudWatch , and Git-based workflows Familiarity with CI/CD pipelines and DevOps best practices. If you're driven by the challenge of More ❯
applications focusing on automation and integration. Experience architecting authentication mechanisms and alerting systems using modern technologies. Proficiency in TypeScript, Python, Solidity, Express.js , React, AWS, PostgreSQL, Kafka.js . Experience with Web3 development, zero-knowledge proofs, and decentralized finance solutions. Familiarity with CI/CD pipelines and end-to-end testing frameworks More ❯
Java (17+) and Spring Boot. Microservices, REST APIs, performance tuning, and multithreaded programming. Architecture and design of scalable, high-performance software. Relational database design (PostgreSQL, MySQL) The ability to drive best practices in development, testing, CI/CD, and Agile. This is a chance to stay deeply technical while making More ❯
Familiarity with Kubernetes Familiarity with GraphQL APIs and frameworks like Apollo Server Experience with database development with both relational databases and NoSQL databases, like PostgreSQL, Redis, DynamoDB or similar Experience working in Web3 or an eagerness to learn Excellent work ethic with the ability to work quickly, efficiently, and to More ❯
configuration, tests, and processes. Lead by example—support and mentor others across the data platform. Your Experience 4+ years working with advanced SQL (Oracle, PostgreSQL, MSSQL, etc.) 3+ years experience with Python or PowerShell scripting. 3+ years data modeling (facts, dimensions, normalization). 2+ years experience with DBT. Experience with More ❯
high-throughput systems. Strong proficiency in real-time data streaming technologies such as Kafka, Pulsar, and RabbitMQ. Extensive experience with high-performance databases, including PostgreSQL, ClickHouse, Cassandra, and Redis. In-depth knowledge of ETL/ELT pipelines, data transformation, and storage optimization. Skilled in working with big data frameworks like More ❯
to the Role Strong back-end development skills, particularly in Clojure, AWS (ECS Fargate & CDK), and Docker. Experience in microservices architectures, database management using PostgreSQL and cloud infrastructure. Proficiency in writing clean, efficient, and testable code with a problem-solving mindset. Ability to collaborate in an Agile environment and contribute More ❯