/Principal/Tech Lead level Expert-level proficiency with Golang in production Proven track record designing distributed systems and event-driven architectures (Kafka, RabbitMQ, WebSockets) Deep understanding of PostgreSQL , Redis , and high-performance data systems Strong DevOps mindset — CI/CD, infrastructure as code, observability (Grafana, Prometheus, OpenTelemetry) Exceptional communicator, able to influence architecture and direction across teams Nice More ❯
london (city of london), south east england, united kingdom
Orbis Group
/Principal/Tech Lead level Expert-level proficiency with Golang in production Proven track record designing distributed systems and event-driven architectures (Kafka, RabbitMQ, WebSockets) Deep understanding of PostgreSQL , Redis , and high-performance data systems Strong DevOps mindset — CI/CD, infrastructure as code, observability (Grafana, Prometheus, OpenTelemetry) Exceptional communicator, able to influence architecture and direction across teams Nice More ❯
london, south east england, united kingdom Hybrid / WFH Options
Experis
systems and Kafka Hands-on experience with AWS and infrastructure automation tools (Pulumi, Terraform, etc.) Understanding of Domain-Driven Design and collaborative modelling Experience with relational and NoSQL databases (PostgreSQL, DynamoDB, OpenSearch) Bonus: Experience with monolith-to-microservices migrations Why Join? Flexible working (hybrid London) Enhanced holiday allowance Mental and physical health initiatives Pension scheme Inclusive, values-driven culture Work More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Experis
systems and Kafka Hands-on experience with AWS and infrastructure automation tools (Pulumi, Terraform, etc.) Understanding of Domain-Driven Design and collaborative modelling Experience with relational and NoSQL databases (PostgreSQL, DynamoDB, OpenSearch) Bonus: Experience with monolith-to-microservices migrations Why Join? Flexible working (hybrid London) Enhanced holiday allowance Mental and physical health initiatives Pension scheme Inclusive, values-driven culture Work More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Experis
systems and Kafka Hands-on experience with AWS and infrastructure automation tools (Pulumi, Terraform, etc.) Understanding of Domain-Driven Design and collaborative modelling Experience with relational and NoSQL databases (PostgreSQL, DynamoDB, OpenSearch) Bonus: Experience with monolith-to-microservices migrations Why Join? Flexible working (hybrid London) Enhanced holiday allowance Mental and physical health initiatives Pension scheme Inclusive, values-driven culture Work More ❯
of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 21 on the backend with Postgres database We rely on Spring Boot for quick and quality delivery We have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and More ❯
expertise in writing complex, highly-performant SQL queries, including common table expressions (CTEs), window functions, and complex joins. Experience with query optimization and performance tuning on relational databases like PostgreSQL, MySQL, or similar Cloud data ecosystem (AWS) : hands-on experience with core AWS data services. Key services include: S3 for data lake storage AWS Glue for ETL and data cataloging More ❯
london, south east england, united kingdom Hybrid / WFH Options
Capsa AI
firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, LLMs, Typescript, React You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Capsa AI
firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, LLMs, Typescript, React You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Capsa AI
firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, LLMs, Typescript, React You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. More ❯
possess skills in one or more of the following areas: 5+ years of experience with system and web application development using Python Familiarity with data backends like S3, RDS, Postgres, Redis, and Elasticsearch Experience with Django Infrastructure as Code tools such as Terraform and Ansible Familiarity with Python data visualization libraries Experience with Typescript and React Experience implementing monitoring and More ❯
harwell, south east england, united kingdom Hybrid / WFH Options
Spire
possess skills in one or more of the following areas: 5+ years of experience with system and web application development using Python Familiarity with data backends like S3, RDS, Postgres, Redis, and Elasticsearch Experience with Django Infrastructure as Code tools such as Terraform and Ansible Familiarity with Python data visualization libraries Experience with Typescript and React Experience implementing monitoring and More ❯
Azure services (e.g., Azure Synapse, Azure Data Factory, Azure SQL) Knowledge of Power Automate and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools More ❯
Azure services (e.g., Azure Synapse, Azure Data Factory, Azure SQL) Knowledge of Power Automate and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools More ❯
APIs using appropriate technologies (Python, NodeJS). Implement and manage data storage solutions including data lakes, data warehouses, and databases underpinning platform tooling (e.g., object storage, Oracle Autonomous Database, PostgreSQL). Collaborate with backend engineers to ensure data services and associated APIs meet the needs of platform tools. Work with product managers to capture requirements, wireframe solutions, and design user … experiences. Work with big data technologies such as Kafka, Iceberg, and Parquet, and managed database technologies including PostgreSQL and Oracle vector databases. Ensure applications are secure. Operate, monitor, and maintain associated Oracle Cloud infrastructure to ensure platform tools are highly available, scalable, and secure. Collaborate with DevSecOps engineers to ensure all deployments are automated and follow best-practice CI/ More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Reed.co.uk
Own the end-to-end delivery of features, ensuring speed, scalability, and quality are never compromised. Architect, develop, and maintain core SaaS platform components across the stack: Backend: Python, PostgreSQL Frontend: TypeScript, NextJS/NodeJS Ensure smooth integration of AI tools, APIs, and data pipelines to enhance platform intelligence. Champion engineering best practices, including testing, CI/CD, and secure … in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development with: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL (design, optimization, maintenance) Experience building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with cloud platforms (AWS, Azure, or GCP More ❯
with services, APIs, infrastructure, and external integrations Product-minded : You care about outcomes, not just tickets. You ask "why?" Tech Stack Frontend : TypeScript, Next.js, Tailwind CSS Backend : Node.js, Drizzle, PostgreSQL Infrastructure : Serverless (Vercel), Supabase Tools : OpenAI, GCP If you are interested in this exciting Founding Engineer role, please apply online now or get in touch with Mike Walton at Avanti More ❯
PyArrow. Familiarity with C++ is a plus Bonus++: Experience working with quants, data scientists, or in trading environments Tech Stack: Python 3.11+ (fast, modern, typed) Dask, pandas, PyArrow, NumPy PostgreSQL, Parquet, S3 Airflow, Docker, Kubernetes, GitLab CI Internal frameworks built for scale and speed Why Join: Engineers own projects end-to-end—from design to deployment to impact Work side More ❯
of data architecture, integration, governance frameworks, and privacy-enhancing technologies With proven experience in modern distributed platforms - Lakehouse architectures and federated queries Extensive experience with databases (SQL & NoSQL - Oracle, PostgreSQL, MongoDB), data warehousing, Data Lakes and ETL/ELT tools Familiarity with big data technologies (Hadoop, Spark, Kafka), cloud platforms (AWS, Azure, GCP), and API integrations Desirable: Data certifications (TOGAF More ❯
/PhD in a quantitative discipline. Experience with optimisation frameworks (Gurobi, OR-Tools). Knowledge of financial markets, derivatives, or clearing/margin optimisation. Hands-on experience with AWS, PostgreSQL, or distributed computing. Why Join? Solve complex mathematical challenges with global financial impact. Work in a collaborative, research-driven team where curiosity and creativity are valued. Benefit from a competitive More ❯
/PhD in a quantitative discipline. Experience with optimisation frameworks (Gurobi, OR-Tools). Knowledge of financial markets, derivatives, or clearing/margin optimisation. Hands-on experience with AWS, PostgreSQL, or distributed computing. Why Join? Solve complex mathematical challenges with global financial impact. Work in a collaborative, research-driven team where curiosity and creativity are valued. Benefit from a competitive More ❯
london (city of london), south east england, united kingdom
Computappoint
of data architecture, integration, governance frameworks, and privacy-enhancing technologies With proven experience in modern distributed platforms - Lakehouse architectures and federated queries Extensive experience with databases (SQL & NoSQL - Oracle, PostgreSQL, MongoDB), data warehousing, Data Lakes and ETL/ELT tools Familiarity with big data technologies (Hadoop, Spark, Kafka), cloud platforms (AWS, Azure, GCP), and API integrations Desirable: Data certifications (TOGAF More ❯
london (city of london), south east england, united kingdom
Expert Executive Recruiters (EER Global)
/PhD in a quantitative discipline. Experience with optimisation frameworks (Gurobi, OR-Tools). Knowledge of financial markets, derivatives, or clearing/margin optimisation. Hands-on experience with AWS, PostgreSQL, or distributed computing. Why Join? Solve complex mathematical challenges with global financial impact. Work in a collaborative, research-driven team where curiosity and creativity are valued. Benefit from a competitive More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
City office with rooftop bar. About you: You have strong Python software engineering skills You have a good understanding of working with data at scale and strong SQL skills (PostgreSQL, SQL Server and Databricks) You have experience of building FastAPIs You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP You're collaborative and pragmatic More ❯
and ship without hand-holding Balance speed with quality—know when to be scrappy, when to go deep The Stack Data: Dagster, Airbyte (custom connectors), dbt, BigQuery, Cube, Metabase, PostgreSQL/Supabase AI: LLMs via Google Vertex & Azure AI Foundry for document extraction Rest of stack: TypeScript, Next.js, Node.js Bonus Points Fintech or payments experience Healthcare domain knowledge Why This More ❯