19 of 19 Contract Relational Database Jobs in London

day responsibilities include: Designing, implementing and maintaining backend services and REST/GraphQL APIs using Python and Django (or Django REST Framework). Building performant, secure data models and database schemas (Postgres). Writing automated tests (unit/integration) and participating in code review processes. Collaborating with frontend engineers to define interfaces and deliver product features. Working with DevOps … discussions and driving improvements to reliability and performance. Tech Stack & Skills Core skills: Strong Python development experience (5+ years preferred) with production Django/Django REST Framework work. Solid relational database experience, ideally Postgres (schema design, query optimisation). Test-driven development practices and experience with pytest or equivalent. Experience working with RESTful APIs and/or GraphQL. More ❯

is working within the National Security sector for a global IT consultancy. Java development Object store configuration and containerisation Docker, Kubernetes Back-end software development using Python and Java Relational databases and SQL Experience integrating 3rd party software, scripting/glue work Experience building and deploying web user interfaces Experience working closely with or in national security missions Agile More ❯

architecture . Tech Stack Backend: Golang (Go) Frontend: React, TailwindCSS Hosting/Infrastructure: AWS (microservices architecture) Other: REST APIs, CI/CD pipelines, version control (Git), Jira, agile delivery Relational databases: PostgreSQL, MySQL Key responsibilities of the Full-Stack Developer Outside of IR35 Develop and extend backend services using Golang , following microservices principles. Build and enhance responsive user interfaces More ❯

architecture . Tech Stack Backend: Golang (Go) Frontend: React, TailwindCSS Hosting/Infrastructure: AWS (microservices architecture) Other: REST APIs, CI/CD pipelines, version control (Git), Jira, agile delivery Relational databases: PostgreSQL, MySQL Key responsibilities of the Full-Stack Developer Outside of IR35 Develop and extend backend services using Golang , following microservices principles. Build and enhance responsive user interfaces More ❯

architecture . Tech Stack Backend: Golang (Go) Frontend: React, TailwindCSS Hosting/Infrastructure: AWS (microservices architecture) Other: REST APIs, CI/CD pipelines, version control (Git), Jira, agile delivery Relational databases: PostgreSQL, MySQL Key responsibilities of the Full-Stack Developer Outside of IR35 Develop and extend backend services using Golang , following microservices principles. Build and enhance responsive user interfaces More ❯

Back End solutions using Kotlin. This is a long-term contract position. The following skills/experience is required: Strong Kotlin experience Kubernetes, Docker, MongoDB, Postgres or exposure to relational databases. Good Financial Services background, ideally in Front Office. Excellent communication skills Rate: Up to £850/day Duration: 6 months + (multiple extensions) Location: London (good work from More ❯

based in London. It is hybrid and will require 3x days onsite per week. Essential: Strong background in C# programming and .Net technologies Strong Windows background Strong experience with relational databases and SQL Proven experience in continuous improvement of areas of focus and drive changes Ability to analyse information, understand business needs & requirements and deliver the best possible systems More ❯

Advanced SQL proficiency : 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 More ❯

Advanced SQL proficiency : 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 More ❯

extension) Rate: £300-350 p/day Start: ASAP Key Skills: Experience with Python and modern frameworks such as FastAPI or Flask . Understanding of SQLModel/SQLAlchemy and relational database design. Knowledge of PostgreSQL and query optimisation. Extensive exposure to Celery Familiarity with AWS and CI/CD pipelines. (Bonus) Interest in data platforms, analytics, or cloud … in data-heavy systems or B2B SaaS Key Responsibilities: Design, develop, and maintain backend services using Python and FastAPI to power a data and intelligence platform Build and optimise database models with SQLModel and SQLAlchemy. Integrate with PostgreSQL databases and external APIs. Contribute to feature development, testing, and deployment. Collaborate with the frontend and data teams to deliver scalable More ❯

for someone with strong experience in data migration, ETL (both batch and real-time), and data warehouse development. What you'll need: DataStage Redshift QuickSight AWS S3 Java SQL Relational databases GitHub/lab experience Nice to have: Data quality expertise XML knowledge AWS Data Speciality certification Reasonable Adjustments: Respect and equality are core values to us. We are More ❯

Work with Java and/or Kotlin to deliver robust solutions. Deploy containerised applications using Kubernetes and Docker. Leverage MongoDB and Databricks for data processing and analytics. Integrate with relational databases and support legacy data migration. Collaborate with stakeholders and contribute to technical decision-making. Ensure code quality through testing, debugging, and optimisation. Essential Skills 3+ years of backend … development experience in financial systems. Proficiency in Java and/or Kotlin. Strong knowledge of Kubernetes and Docker. Experience with MongoDB and Databricks. Familiarity with relational databases (e.g., PostgreSQL, MySQL, Oracle). Understanding of Git, CI/CD, and unit testing. Desirable Skills Exposure to cloud platforms (AWS, GCP, Azure). Experience with microservices and event-driven architecture. Awareness More ❯

Work with Java and/or Kotlin to deliver robust solutions. Deploy containerised applications using Kubernetes and Docker. Leverage MongoDB and Databricks for data processing and analytics. Integrate with relational databases and support legacy data migration. Collaborate with stakeholders and contribute to technical decision-making. Ensure code quality through testing, debugging, and optimisation. Essential Skills 3+ years of backend … development experience in financial systems. Proficiency in Java and/or Kotlin. Strong knowledge of Kubernetes and Docker. Experience with MongoDB and Databricks. Familiarity with relational databases (e.g., PostgreSQL, MySQL, Oracle). Understanding of Git, CI/CD, and unit testing. Desirable Skills Exposure to cloud platforms (AWS, GCP, Azure). Experience with microservices and event-driven architecture. Awareness More ❯

technologies. Exposure to complete software life cycle from client requirement analysis to delivery. Exposure to design discussions with different project architects regarding integration approaches Experience in integrating main stream relational databases Oracle, IBM DB2, SQL Server. Expertise in Core and J2EE design patterns. Expertise in OOAD, Modeling of Applications with RUP and UML. Extensively worked in XML related technologies More ❯

technologies. Exposure to complete software life cycle from client requirement analysis to delivery. Exposure to design discussions with different project architects regarding integration approaches Experience in integrating main stream relational databases Oracle, IBM DB2, SQL Server. Expertise in Core and J2EE design patterns. Expertise in OOAD, Modeling of Applications with RUP and UML. Extensively worked in XML related technologies More ❯

Job summary This post is an exciting bioinformatician role in the mSCAPE (TARZET) division, enabling the team to deliver cutting edge analysis in support of public health decision making, with a particular focus on outbreak response, horizon scanning, emerging infections More ❯

real-time secondary market applications used by credit sales, trading and management globally. We are looking for a candidate with expert knowledge of .NET and JS Typescript/React, database\SQL experience, and with a track record of delivery on large scale real-time distributed systems. Knowledge of the Fixed Income business would be beneficial but not required. Key … experience using Typescript, React and CSS with track record of delivery · Exposure to Rx and Redux/state management frameworks · Real-time high throughput application development · Strong understanding of relational databases and SQL · Comfortable working in an Agile environment and experience working with Jira. · Good communication, both orally and in writing. Comfortable interacting with front office users. · Excellent knowledge More ❯

Must have expert in Delphi 10.4 onward Software Development life cycle knowledge of Build process and tools like Teamcity and Octopus must have knowledge of Tools like Devexpress, Firstclass, Report builder expert in Debugging should have experience in custom control More ❯

Must have expert in Delphi 10.4 onward Software Development life cycle knowledge of Build process and tools like Teamcity and Octopus must have knowledge of Tools like Devexpress, Firstclass, Report builder expert in Debugging should have experience in custom control More ❯