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 ❯
South East London, 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 ❯
South East London, 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 ❯
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 ❯
South East London, England, United Kingdom Hybrid / WFH Options
Futuria
proficiency in FastAPI or Django Proven experience building secure, enterprise-grade, public-facing software in an agile delivery environment Familiarity with SQL and NoSQL databases, including PostgreSQL, Redis, or MongoDB Solid understanding of containerised microservice infrastructure Working knowledge of Kubernetes, security best practices, and cloud platforms (AWS, GCP, or Azure) Desirable: Experience with prompt engineering, Retrieval-Augmented Generation (RAG), and More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Langham Recruitment
networking (WebSockets, RPCs, REST, gRPC) Experience with cloud platforms (AWS, Azure, or GCP) Familiarity with matchmaking, player sessions, anti-cheat systems Database experience across SQL and NoSQL (PostgreSQL, Redis, MongoDB) Hands-on with microservices, Docker/Kubernetes, and server orchestration Bonus if you have: Familiarity with PlayFab, AccelByte, Nakama, or similar GBaaS Experience working with console/PC network platforms … acts as an employment agency and is registered in England and Wales (reg 11525223). Keywords: C++, C#, Go, Node.js, WebSockets, RPCs, REST, gRPC, AWS, Azure, GCP, PostgreSQL, Redis, MongoDB, PlayFab, AccelByte, Nakama More ❯
to be exposed to the following stack Infrastructure: Amazon Web Services; Kubernetes; GitOps (ArgoCD), Github Actions Backend: Language: Python; Web Frameworks: Python frameworks including Django, Fast API; Databases: PostgreSQL, MongoDB, ElasticSearch, and Redis among others; Other: Celery, RabbitMQ, among others. Frontend: Javascript & Vue.JS Apply on our Careers Page If you are a fit for this role and are excited to More ❯
East London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
Over 4 years of experience working with Java, React, Javascript · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or Cucumber I have interview slots already pre-booked so suitable candidates will be interviewed next week with a quick turnaround in More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Noir
Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. You will follow the firms official career progression programme. This is More ❯
South East London, England, United Kingdom Hybrid / WFH Options
iO Associates - UK/EU
experience (Java 8+) * Strong experience with cloud platforms - AWS or Azure * Confident in TDD/BDD and building robust automated test suites * Skilled in SQL and noSQL (Postgres, MySQL, MongoDB) * Strong understanding of REST APIs and Microservice architectures * Expert knowledge of modern Java frameworks and design principles * Experience presenting solutions to Architecture Review Boards (Senior role) Mostly remote with occasional More ❯
British-born sole UK National with active SC or DV Clearance • Strong Java skills, familiarity with Python • Experience in Linux, Git, CI/CD, Apache NiFi • Knowledge of Oracle, MongoDB, React, Elasticsearch • Familiarity with AWS (EC2, EKS, Fargate, S3, Lambda) Active DV Clearance If you do not meet all requirements still feel free to apply Benefits: • Salary More ❯
related roles Bachelor’s 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 integrations , and graph databases Why Join More ❯
South East London, London, United Kingdom Hybrid / WFH Options
La Fosse
Strong skills in modern web development (React.js, Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals (MongoDB) In-depth knowledge of AWS services (e.g. Lambda, Aurora RDS, EC2, ECS, SQS) Familiarity with CI/CD, DevOps practices, and common design patterns Bonus: AWS certifications Benefits Private healthcare More ❯
Software Engineers - Up to £575 Inside IR35 1/2 days per week in London 6 Month + extensions Skillset requirement: Spring/Spring MVC, Springboot/Microservices API Dev (Sec/authentication) DB (Sql/mongo/oracle) DevOps More ❯
Wipro’s dynamic approach to people, process, and technology has led them to be an industry leader for decades. Additionally, since 2006, Wipro has helped companies power their business with the cloud. We provide professional services that help enterprises move More ❯
data warehousing solutions (e.g., Google BigQuery, Snowflake). Expertise in data modeling tools and techniques (e.g., SAP PowerDesigner, EA Sparx). Strong knowledge of SQL and NoSQL databases (e.g., MongoDB, Cassandra). Familiarity with cloud platforms (e.g., AWS, Azure, Google Cloud). Experience with data integration and ETL tools (e.g., Talend, Informatica). Excellent analytical and technical skills. Excellent planning More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Saama
senior management. Good general business acumen. Thorough knowledge of databases technologies, both relational (such as Oracle, SQL Server and PostgreSQL) and non-relational database technologies as such as Memcached, MongoDB and Redis. Experience with Insurance/Reinsurance Systems and Data. High level knowledge/expertise of Front-end development such as: ReactJS, Webpack, HTML5, CSS, Bootstrap, jQuery, Accessibility and Responsive More ❯
senior management. Good general business acumen. Thorough knowledge of databases technologies, both relational (such as Oracle, SQL Server and PostgreSQL) and non-relational database technologies as such as Memcached, MongoDB and Redis. Experience with Insurance/Reinsurance Systems and Data. High level knowledge/expertise of Front-end development such as: ReactJS, Webpack, HTML5, CSS, Bootstrap, jQuery, Accessibility and Responsive More ❯
architecture. Documenting code and architecture clearly and notifying of any open source elements incorporated. Skills Required Positive can-do attitude. Market leading software development ability. Software skills: AWS, PostgreSQL, MongoDB or related databases, Javascript, Node/Next.JS, React Native. Devops experience with a focus on security. Experience working with AI/ML technologies. Ability to document requirements and specifications Empathy More ❯
South East London, England, United Kingdom Hybrid / WFH Options
InterEx Group
For this role, you will be responsible for providing the framework that appropriately replicates the Big Data needs of a company utilizing data. Essential requirements: More than 3 years of presales experience in the design of Big Data and Data More ❯
performance testing across UI, APIs, and messaging systems • Hands-on experience with Single Page Applications (Angular) • Skilled in performance issue diagnosis and troubleshooting Nice to Have: • Exposure to Kafka, MongoDB, Elasticsearch, Kubernetes • Experience with Dynatrace or other monitoring tools • Familiarity with scripting and automation for performance test execution • Knowledge of CI/CD best practices and cloud-based testing environments More ❯
South East London, England, United Kingdom Hybrid / WFH Options
ardotec
Oracle DBA - Hybrid Remote/Linux/Data guard/PL/SQL ***1-2 DAYS A WEEK TRAVEL TO OFFICE IN LEICESTERSHIRE - MUST BE UK BASED*** Key Skills: Oracle DBA experience , Oracle Security Management Mongo DB or MS Sql More ❯
East London, London, United Kingdom Hybrid / WFH Options
ardotec
Oracle DBA - Hybrid Remote/Linux/Data guard/PL/SQL ***1-2 DAYS A WEEK TRAVEL TO OFFICE IN LEICESTERSHIRE - MUST BE UK BASED*** Key Skills: Oracle DBA experience , Oracle Security Management Mongo DB or MS Sql More ❯