exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary More ❯
london (city of london), south east england, united kingdom
Trireme
exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Haystack
such as React.js, TypeScript, and Tailwind CSS. Support backend development using Python (Django/FastAPI) and Node.js (Express). Assist with database development and maintenance (PostgreSQL, MySQL, and optionally MongoDB/DynamoDB). Contribute to cloud infrastructure deployment and maintenance (AWS or Azure). Assist with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Haystack
such as React.js, TypeScript, and Tailwind CSS. Support backend development using Python (Django/FastAPI) and Node.js (Express). Assist with database development and maintenance (PostgreSQL, MySQL, and optionally MongoDB/DynamoDB). Contribute to cloud infrastructure deployment and maintenance (AWS or Azure). Assist with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS More ❯
City of London, England, United Kingdom Hybrid / WFH Options
ACLED
2.0, JWT, SAML) and security standards. Experience with CI/CD, GitHub workflows, automated deployment. Proficiency in Docker, cloud services (AWS/DigitalOcean), container orchestration. Database experience (PostgreSQL, MySQL, MongoDB). Experience supporting BCP and DR activities. Knowledge of web and API security best practices. Fluency in English, problem-solving skills, attention to detail, ability to work remotely. Desirable: Cloud More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Evermore
ensuring high-quality code, best practices, and adherence to agile development methodologies. Full-Stack Development – Design, develop, and maintain platform features using React (frontend), Node.js (backend), Directus (CMS), PostgreSQL, MongoDB, and APIs. Matrix/Synapse Integration – Develop and maintain real-time messaging and collaboration features using Matrix/Synapse for decentralised communication. Cloud & DevOps – Manage deployments, CI/CD pipelines … and cloud infrastructure (AWS, Azure, or equivalent). Database & API Management – Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Evermore
ensuring high-quality code, best practices, and adherence to agile development methodologies. Full-Stack Development – Design, develop, and maintain platform features using React (frontend), Node.js (backend), Directus (CMS), PostgreSQL, MongoDB, and APIs. Matrix/Synapse Integration – Develop and maintain real-time messaging and collaboration features using Matrix/Synapse for decentralised communication. Cloud & DevOps – Manage deployments, CI/CD pipelines … and cloud infrastructure (AWS, Azure, or equivalent). Database & API Management – Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless More ❯
london (city of london), south east england, united kingdom
CACI Ltd
our team and contribute to the success driving innovation and excellence in our network infrastructure. Essential Technical Skills: Front-end: Angular, TypeScript Back-end: Java, Python, Spring Boot Database: MongoDB, PL/SQL,NOSQL API Development: RESTful APIs Version Control: Git CI/CD: TeamCity Desirable Skills: Docker and Containerization Monitoring and Logging (e.g., Prometheus, Grafana, ELK Stack) Cloud Platforms More ❯
environment Key Skills and Experience 4–7 years' professional experience in Java development Solid understanding of Java frameworks (Spring Boot, Hibernate) Practical knowledge of database systems (e.g., PostgreSQL, MySQL, MongoDB) Strong grasp of software engineering fundamentals and clean coding practices Basic exposure to or willingness to learn Node.js and JavaScript Understanding of microservices architecture and API design Experience working on More ❯
london (city of london), south east england, united kingdom
Albany Beck
environment Key Skills and Experience 4–7 years' professional experience in Java development Solid understanding of Java frameworks (Spring Boot, Hibernate) Practical knowledge of database systems (e.g., PostgreSQL, MySQL, MongoDB) Strong grasp of software engineering fundamentals and clean coding practices Basic exposure to or willingness to learn Node.js and JavaScript Understanding of microservices architecture and API design Experience working on More ❯
ideally with experience in web frameworks such as Django, FastAPI, or Flask. Strong understanding of API design, microservices, and web architecture. Experience with relational and NoSQL databases (e.g. PostgreSQL, MongoDB). Comfortable working with cloud services like AWS, Azure, or GCP. Familiarity with Docker, Kubernetes, or other containerisation technologies. Version control experience with Git. Solid grasp of web security principles More ❯
london (city of london), south east england, united kingdom
Explore Group
ideally with experience in web frameworks such as Django, FastAPI, or Flask. Strong understanding of API design, microservices, and web architecture. Experience with relational and NoSQL databases (e.g. PostgreSQL, MongoDB). Comfortable working with cloud services like AWS, Azure, or GCP. Familiarity with Docker, Kubernetes, or other containerisation technologies. Version control experience with Git. Solid grasp of web security principles More ❯
programming languages like Scala, Python and Golang will be a plus " Ability to read/write code and expertise with various design patterns " Have used NoSQL database such as MongoDB, Cassandra, etc. " Work on opportunities along with sales, practice, delivery teams through the pre-sales process " Develop customer proposals - solution architecture, pitch decks, estimating solution effort, resourcing and timelines " Translate More ❯
City of London, England, United Kingdom Hybrid / WFH Options
CFP Energy (UK) Ltd
backend development. Expertise in React for building modern and responsive user interfaces. Solid understanding of web development concepts, including RESTful APIs and asynchronous programming. Experience with database systems (MySql, MongoDB, PostgreSQL, etc.). Knowledge of front-end build tools and package managers (Webpack, npm, etc.). Excellent problem-solving skills and the ability to work both independently and collaboratively in More ❯
developing full-stack software applications Expert-level Python skills Strong experience with modern web frameworks (FastAPI, Django, Flask) Proficiency in frontend technologies (React, TypeScript, JavaScript) Experience with databases (PostgreSQL, MongoDB) and data processing Track record of shipping reliable, scalable applications to production Proven problem-solving abilities and analytical thinking Experience with cloud platforms (AWS, GCP, Azure) Valuable Additional Skills: Experience More ❯
london (city of london), south east england, united kingdom
Nume
developing full-stack software applications Expert-level Python skills Strong experience with modern web frameworks (FastAPI, Django, Flask) Proficiency in frontend technologies (React, TypeScript, JavaScript) Experience with databases (PostgreSQL, MongoDB) and data processing Track record of shipping reliable, scalable applications to production Proven problem-solving abilities and analytical thinking Experience with cloud platforms (AWS, GCP, Azure) Valuable Additional Skills: Experience More ❯
are looking for ways to implement Machine Learning and improving DevOps in their process to further add value to their Authors. Their overall technology stack includes: Django, Flask, React, MongoDB, PostgreSQL, SQLserver, Docker and is currently being hosted in Azure. They've recently introduced Terraform and will also be moving their containerization to Kubernetes. On the frontend, they're using More ❯
london (city of london), south east england, united kingdom
Nixor
are looking for ways to implement Machine Learning and improving DevOps in their process to further add value to their Authors. Their overall technology stack includes: Django, Flask, React, MongoDB, PostgreSQL, SQLserver, Docker and is currently being hosted in Azure. They've recently introduced Terraform and will also be moving their containerization to Kubernetes. On the frontend, they're using More ❯
state management libraries like Redux or Context API. Proven experience with RESTful API development and integrating third-party services. Solid understanding of SQL and NoSQL databases (e.g., SQL Server, MongoDB). Familiarity with front-end build tools, version control (Git), and CI/CD pipelines. Strong understanding of responsive design principles and cross-browser compatibility. Excellent problem-solving skills and More ❯
programming languages like Scala, Python and Golang will be a plus Ability to read/write code and expertise with various design patterns Have used NoSQL database such as MongoDB, Cassandra, etc. Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals ?" solution architecture, pitch decks, estimating solution effort, resourcing and timelines Translate More ❯
london (city of london), south east england, united kingdom
Trayport
state management libraries like Redux or Context API. Proven experience with RESTful API development and integrating third-party services. Solid understanding of SQL and NoSQL databases (e.g., SQL Server, MongoDB). Familiarity with front-end build tools, version control (Git), and CI/CD pipelines. Strong understanding of responsive design principles and cross-browser compatibility. Excellent problem-solving skills and More ❯
grade deployment. Collaborate with platform teams to ensure scalability, resilience, and observability of data pipelines. Database Engineering: Write and optimize complex SQL queries on relational (Redshift, PostgreSQL) and NoSQL (MongoDB) databases. Work with ELK stack (Elasticsearch, Logstash, Kibana) for search, logging, and real-time analytics. Support Lakehouse architectures and hybrid data storage models for unified access and processing. Data Governance More ❯
programming languages like Scala, Python and Golang will be a plus Ability to read/write code and expertise with various design patterns Have used NoSQL database such as MongoDB, Cassandra, etc. Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals ?" solution architecture, pitch decks, estimating solution effort, resourcing and timelines Translate More ❯
