Experience with data analysis and modeling using libraries such as Pandas, NumPy, Scikit-learn, or TensorFlow. Familiarity with SQL and database management systems (e.g., PostgreSQL, MySQL). Experience with cloud platforms (e.g., AWS, Azure, GCP) and big data tools (e.g., Spark, Hadoop) is a plus. Prior experience in financial data More ❯
Experience with data analysis and modeling using libraries such as Pandas, NumPy, Scikit-learn, or TensorFlow. Familiarity with SQL and database management systems (e.g., PostgreSQL, MySQL). Experience with cloud platforms (e.g., AWS, Azure, GCP) and big data tools (e.g., Spark, Hadoop) is a plus. Prior experience in financial data More ❯
london (city of london), south east england, united kingdom
Verityv Ecosystems
Experience with data analysis and modeling using libraries such as Pandas, NumPy, Scikit-learn, or TensorFlow. Familiarity with SQL and database management systems (e.g., PostgreSQL, MySQL). Experience with cloud platforms (e.g., AWS, Azure, GCP) and big data tools (e.g., Spark, Hadoop) is a plus. Prior experience in financial data More ❯
and back-end usage * AWS : experience running live production workloads (we use ECS, RDS, Lambda, SQS, VPC) * GraphQL : built and consumed APIs at scale * PostgreSQL : confident writing queries, designing schemas, and shipping DB changes without downtime * Strong communication : able to collaborate clearly with non-technical team members Bonus preferences: * Latest More ❯
london (city of london), south east england, united kingdom
Jelly
and back-end usage * AWS : experience running live production workloads (we use ECS, RDS, Lambda, SQS, VPC) * GraphQL : built and consumed APIs at scale * PostgreSQL : confident writing queries, designing schemas, and shipping DB changes without downtime * Strong communication : able to collaborate clearly with non-technical team members Bonus preferences: * Latest More ❯
. Proven experience designing and working with microservices architectures and RESTful APIs. Hands-on experience with , especially GitHub Actions . Familiarity with databases like PostgreSQL and caching systems like Redis . A genuine passion for AI and machine learning ; direct experience with MLOps or training models like YOLO11 is a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
based around their end users. The role is FULL-STACK but definitely leaning towards the backend. Their stack: Python React/TypeScript Node.js AWS PostgreSQL GenAI + experience with another backend language (Ruby, C++. Elixir, Haskell, Go, Clojure or Scala) Private projects to showcase + deep interest/passion for More ❯
City of London, Greater London, UK Hybrid / WFH Options
Hays
solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control systems such as Github and associated CI/ More ❯
City Of London, England, United Kingdom Hybrid / WFH Options
Hays
solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control systems such as Github and associated CI/ More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hays Technology
solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control systems such as Github and associated CI/ More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hays
solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control systems such as Github and associated CI/ More ❯
City of London, Greater London, UK Hybrid / WFH Options
Cititec
Confident building secure, scalable applications Agile mindset and strong team player Experience within the commodities trading or financial industry is essential Familiarity with Kafka, PostgreSQL, and microservices architecture Nice to have: Experience with React/TypeScript or Svelte Experience with AWS services like S3, ECS, or AppSync This is a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Cititec
Confident building secure, scalable applications Agile mindset and strong team player Experience within the commodities trading or financial industry is essential Familiarity with Kafka, PostgreSQL, and microservices architecture Nice to have: Experience with React/TypeScript or Svelte Experience with AWS services like S3, ECS, or AppSync This is a More ❯
City of London, Greater London, UK Hybrid / WFH Options
Ada Meher
using modern React technology, such as Next.js, as well as component libraries on the frontend with a Node/Typescript backend and MongoDB/Postgres for databases. There will also be AI/ML components to the platform built using Python, so whilst there is no need for prior experience More ❯
and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed and implemented event-driven distributed systems (eg. Kafka More ❯
and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed and implemented event-driven distributed systems (eg. Kafka More ❯
london (city of london), south east england, united kingdom
algo1
and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed and implemented event-driven distributed systems (eg. Kafka More ❯
development in any of the following technologies and opinions on how to use them properly : Back End -Golang, Python, , Snowflake, MongoDB, MongoDB Atlas Search, Postgresql Nice to have C#, Java, Scala, PHP, Ruby on Rails, Erlang, F#, et c Expert experience in HTML5/CSS and building mobile, responsive/ More ❯
development in any of the following technologies and opinions on how to use them properly : Back End -Golang, Python, , Snowflake, MongoDB, MongoDB Atlas Search, Postgresql Nice to have C#, Java, Scala, PHP, Ruby on Rails, Erlang, F#, et c Expert experience in HTML5/CSS and building mobile, responsive/ More ❯
london (city of london), south east england, united kingdom
Russell Tobin
development in any of the following technologies and opinions on how to use them properly : Back End -Golang, Python, , Snowflake, MongoDB, MongoDB Atlas Search, Postgresql Nice to have C#, Java, Scala, PHP, Ruby on Rails, Erlang, F#, et c Expert experience in HTML5/CSS and building mobile, responsive/ More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
We’re Looking For 5+ years of professional Rust development experience Strong grasp of systems programming concepts: memory management, concurrency, multithreading Solid experience with PostgreSQL and working with large-scale datasets Strong knowledge of algorithms, data structures, and software design principles Proficient with debugging, performance tuning, and profiling tools Clear More ❯
City of London, Greater London, UK Hybrid / WFH Options
Zettafleet
possible and manage it with Terraform. Services are written in C# (.NET 9) and deployed to ECS or Lambda via GitHub Actions. We use Postgres, SNS/SQS and Redis. We have good end-to-end test coverage and are confident in our deployments. What we are looking for: Back More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Zettafleet
possible and manage it with Terraform. Services are written in C# (.NET 9) and deployed to ECS or Lambda via GitHub Actions. We use Postgres, SNS/SQS and Redis. We have good end-to-end test coverage and are confident in our deployments. What we are looking for: Back More ❯
possible and manage it with Terraform. Services are written in C# (.NET 9) and deployed to ECS or Lambda via GitHub Actions. We use Postgres, SNS/SQS and Redis. We have good end-to-end test coverage and are confident in our deployments. What we are looking for: Back More ❯
possible and manage it with Terraform. Services are written in C# (.NET 9) and deployed to ECS or Lambda via GitHub Actions. We use Postgres, SNS/SQS and Redis. We have good end-to-end test coverage and are confident in our deployments. What we are looking for: Back More ❯
