focus on flexibility, speed, and accuracy. Core Tech Stack Languages: Python (Python 3.10+), JavaScript and TypeScript for frontend Tools: RabbitMQ and ZeroMQ for messaging; PostgreSQL for data storage; Websockets for frontend communication Environment: Linux servers Observability: Prometheus, Grafana, Zabbix Benefits: Working alongside other extremely talented and driven engineers Extremely lucrative More ❯
detail-oriented Data Analyst with experience in AWS and its monitoring services. The ideal candidate will have strong analytical skills, proficiency in SQL (especially PostgreSQL), and a good understanding of cloud-based data processing. This role requires expertise in analysing large datasets, optimizing performance, and monitoring AWS environments to ensure More ❯
a culture of collaboration and technical excellence Design and develop new features in collaboration with leadership Build and maintain scalable backend (TS/Node.js, Postgres, Redis, Kubernetes) and frontend (ReScript, React.js) solutions Expand the third-party integration marketplace Support technical architecture planning and cross-functional teams Requirements: Proven leadership or More ❯
data and engineering stack. Tech Stack AI Engineering: Python, LangChain, LlamaIndex, LangGraph AI Models: OpenAI, Anthropic, Gemini, Custom Models Data Tools: DBT, BigQuery Databases: PostgreSQL, OpenSearch, Redis Product Engineering: TypeScript (Full-stack) Infrastructure: Serverless, AWS, Google Cloud, GitHub Actions Requirements Strong academic background in a relevant field Proven track record More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Robertson Sumner
processes, migration approaches, and knowledge share across teams. Skills & Experience Required: Extensive hands-on experience with cloud database administration and migrations (e.g., Azure SQL, PostgreSQL). Strong background in managing Windows-based SQL Server environments across development, UAT, and production stages. Solid knowledge of designing high-availability (HA) database solutions More ❯
a culture of collaboration and technical excellence Design and develop new features in collaboration with leadership Build and maintain scalable backend (TS/Node.js, Postgres, Redis, Kubernetes) and frontend (ReScript, React.js) solutions Expand the third-party integration marketplace Support technical architecture planning and cross-functional teams Requirements: Proven leadership or More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Robertson Sumner
processes, migration approaches, and knowledge share across teams. Skills & Experience Required: Extensive hands-on experience with cloud database administration and migrations (e.g., Azure SQL, PostgreSQL). Strong background in managing Windows-based SQL Server environments across development, UAT, and production stages. Solid knowledge of designing high-availability (HA) database solutions More ❯
you Go) Comfortable working in teams that own everything from design to deployment Our Stack: Go, TypeScript, React, Next.js, Node.js, AWS, Vercel, Kafka, Redis, Postgres A Bit About Us We’re a 25-person team (11 engineers), growing steadily throughout 2025. Backed by top investors, we’re fast becoming one More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Userled
you Go) Comfortable working in teams that own everything from design to deployment Our Stack: Go, TypeScript, React, Next.js, Node.js, AWS, Vercel, Kafka, Redis, Postgres A Bit About Us We’re a 25-person team (11 engineers), growing steadily throughout 2025. Backed by top investors, we’re fast becoming one More ❯
up to be the world's leading research platform. Ship working code: We primarily work with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We've always got an eye open to assess new technologies that might More ❯
testable code Preferred Qualifications, Capabilities, and Skills: Multiple Salesforce certifications Hands-on experience with integrations (e.g., APIs, Amazon Connect) Experience with relational databases (MySQL, Postgres, Oracle) Full-stack Salesforce development experience Understanding of CI/CD and automated testing Experience with Marketing Cloud Knowledge of various integration patterns About the More ❯
up to be the world's leading research platform. Ship working code: We primarily work with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We've always got an eye open to assess new technologies that might More ❯
up to be the world's leading research platform. Ship working code: We primarily work with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We've always got an eye open to assess new technologies that might More ❯
per-PR ephemeral environments Authentication upgrade: Migrate from custom auth to Auth0 (or similar), with social login + MFA Data governance: Apply labelling to Postgres, S3 and BigQuery data Web security hardening: Audit React, GraphQL and FastAPI layers to eliminate XSS/CSRF and strengthen CSP Static analysis remediation: Triage More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Natcap
per-PR ephemeral environments Authentication upgrade: Migrate from custom auth to Auth0 (or similar), with social login + MFA Data governance: Apply labelling to Postgres, S3 and BigQuery data Web security hardening: Audit React, GraphQL and FastAPI layers to eliminate XSS/CSRF and strengthen CSP Static analysis remediation: Triage More ❯
Knowledge of cloud architecture - Deep knowledge and experience on at least one commercial relational database (Oracle, SQL Server, IBM2), or open source database (MySQL, PostgreSQL, MariaDB). PREFERRED QUALIFICATIONS - Cloud Technology Certification (such as Solutions Architecture, Cloud Security Professional or Cloud DevOps Engineering) - Knowledge of non-relational databases such as More ❯
development. Strong experience with RESTful APIs, GraphQL, and event-driven architectures. Deep understanding of data processing, analytics, and real-time event streaming. Expertise in PostgreSQL, AWS and Kubernetes. Proficiency in monitoring tools like Prometheus, Grafana, and Kibana. Knowledge of security best practices, including OAuth, JWT, and data encryption. Fluent in More ❯
and a scripting language such as Python or Perl required Detailed practical knowledge of FIX. Ideally, familiarity with native exchange protocols Experience in SQL (PostgreSQL, MySQL, MS SQL) Familiarity with Kdb+ is a plus Working knowledge with TCP/IP, multicast, tcpdump, clocking (PTP, NTP) – a plus Bachelor’s Degree More ❯
and a scripting language such as Python or Perl required Detailed practical knowledge of FIX. Ideally, familiarity with native exchange protocols Experience in SQL (PostgreSQL, MySQL, MS SQL) Familiarity with Kdb+ is a plus Working knowledge with TCP/IP, multicast, tcpdump, clocking (PTP, NTP) – a plus Bachelor’s Degree More ❯
in advanced backend or full-stack development , with experience in data heavy systems. Experience working with modern backend stacks (Rust or Node.js) and databases (PostgreSQL, ClickHouse). Familiarity with AWS . Leadership & Management Proven track record of leading high-performing engineering teams . Ability to coach and mentor engineers , fostering More ❯
in containerisation (Docker, Kubernetes, Helm) and messaging systems (Kafka). Hands-on CI/CD pipeline development (GitHub Actions/GitOps preferred). Strong PostgreSQL management skills, including scaling and optimisation. Familiarity with observability tools (e.g. Prometheus, Grafana, Loki, Tempo, Jaeger). Strong problem-solving, communication, and teamwork abilities. Bonus More ❯
london, south east england, United Kingdom Hybrid / WFH Options
DeFinitive
in containerisation (Docker, Kubernetes, Helm) and messaging systems (Kafka). Hands-on CI/CD pipeline development (GitHub Actions/GitOps preferred). Strong PostgreSQL management skills, including scaling and optimisation. Familiarity with observability tools (e.g. Prometheus, Grafana, Loki, Tempo, Jaeger). Strong problem-solving, communication, and teamwork abilities. Bonus More ❯
hybrid but can be remote based on experience. All about You You must have: Experience with .NET, C# preferably also with experience of using Postgres and Microsoft SQL databases. Experience with front-end technologies including Javascript Ideally you will also have: Knowledge on how to build and deploy docker containers More ❯
Mathematics, or a related technical field. Understanding of Credit or similar financial markets products. Experience across one or more database technologies: RDBMS (e.g. Oracle, Postgres), Time-series Databases (e.g. KDB+, Vertica). Experience in AWS solutions and services beneficial. About the Team J.P. Morgan is a global leader in financial More ❯
a lot of freedom and agency to choose and work with the technology you love. Our tech stack includes: Infra & monitoring: AWS (Lambda, ECS, Postgres), Tinybird, Datadog, Sentry Languages & Frameworks : Typescript (Node.js), NestJs, Rails Other day-to-day Tools: Notion, Slack, Jira, GitHub, Google workspace ecosystem and more Content/ More ❯