24 of 24 Permanent Functional Programming Jobs in London

predominantly Python with some Rust. They are running on AWS. This is nectar for Engineers who have both a passion for Front End Development and an interest to learn Functional Programming. The skill set for this role could include React, Typescript, Python, Functional programming language of any kind and a major statically typed language. Any WebGL, OpenGL … years of experience in frontend development Strong hands-on expertise with React, Typescript, Javascript Strong foundation in Computer Science (BSc/MSc from a top university). Desirable: functional programming (hands on/interest) such as ELM/Haskell/Clojure Startup experience is a plus. Why Join Us? Be part of a pioneering AI startup with global More ❯

predominantly Python with some Rust. They are running on AWS. This is nectar for Engineers who have both a passion for Front End Development and an interest to learn Functional Programming. The skill set for this role could include React, Typescript, Python, Functional programming language of any kind and a major statically typed language. Any WebGL, OpenGL … years of experience in frontend development Strong hands-on expertise with React, Typescript, Javascript Strong foundation in Computer Science (BSc/MSc from a top university). Desirable: functional programming (hands on/interest) such as ELM/Haskell/Clojure Startup experience is a plus. Why Join Us? Be part of a pioneering AI startup with global More ❯

Product-Focused Backend Engineer Functional Programming & Distributed Systems London (Hybrid) | £120,000£160,000 + Equity At Ncounter, were partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers users to deploy custom no-code AI agents that produce verifiable outputs … Design to solve real user problems Playing an active role in shaping team goals, defining technical metrics, and prioritising outcomes over ticket-chasing Your Background: Hands-on experience with functional programming (Elixir is a plus, but other languages like Scala, Haskell, Clojure, Go, Node.js, or F# are welcome) Proven track record of building and scaling distributed backend systems More ❯

Product-Focused Backend Engineer – Functional Programming & Distributed Systems London (Hybrid) | £120,000–£160,000 + Equity At Ncounter, we’re partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers users to deploy custom no-code AI agents that produce verifiable … Design to solve real user problems Playing an active role in shaping team goals, defining technical metrics, and prioritising outcomes over ticket-chasing Your Background: Hands-on experience with functional programming (Elixir is a plus, but other languages like Scala, Haskell, Clojure, Go, Node.js, or F# are welcome) Proven track record of building and scaling distributed backend systems More ❯

also demonstrable ability to work independently due to the remote nature of the role Ideally an undergraduate degree in a relevant STEM subject, such as Comp Sci Exposure to functional programming, pair programming and agile methodologies Product/model knowledge within Rates/FX or Equity derivatives Familiarity with financial derivatives and pricing Due to demand, we More ❯

Senior Software Engineer (TypeScript Full Stack) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Software Engineer role at a successful and profitable energy trading … have advanced analytical and problem solving skills You're comfortable taking ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python More ❯

Full Stack Engineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a successful and … have advanced analytical and problem solving skills You're comfortable taking ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python More ❯

Full Stack Engineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a successful and … have advanced analytical and problem solving skills You're comfortable taking ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python More ❯

Full Stack Engineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a successful and … have advanced analytical and problem solving skills You're comfortable taking ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python More ❯

with Python Experience or a solid understanding of finance or financial systems Fullstack development experience using JavaScript and React Experience with Flask or similar Python web frameworks Familiarity with functional programming Experience working with PostgreSQL or other SQL databases Knowledge of Docker and containerized environments Exposure to cloud platforms (ideally AWS ) Experience with financial operations systems More ❯

short-term project. Role and Responsibilities: Develop features in Typescript and Scala (running on AWS), with flexibility to use the best tool for the problem. Work in a cross-functional, collaborative team alongside engineers, product, and commercial colleagues. Contribute to both technical and product decisions. Requirements: Strong fullstack experience with Scala (functional programming) and Typescript. Comfortable working More ❯

short-term project. Role and Responsibilities: Develop features in Typescript and Scala (running on AWS), with flexibility to use the best tool for the problem. Work in a cross-functional, collaborative team alongside engineers, product, and commercial colleagues. Contribute to both technical and product decisions. Requirements: Strong fullstack experience with Scala (functional programming) and Typescript. Comfortable working More ❯

short-term project. Role and Responsibilities: Develop features in Typescript and Scala (running on AWS), with flexibility to use the best tool for the problem. Work in a cross-functional, collaborative team alongside engineers, product, and commercial colleagues. Contribute to both technical and product decisions. Requirements: Strong fullstack experience with Scala (functional programming) and Typescript. Comfortable working More ❯

short-term project. Role and Responsibilities: Develop features in Typescript and Scala (running on AWS), with flexibility to use the best tool for the problem. Work in a cross-functional, collaborative team alongside engineers, product, and commercial colleagues. Contribute to both technical and product decisions. Requirements: Strong fullstack experience with Scala (functional programming) and Typescript. Comfortable working More ❯

Key Requirements: A technical degree (BSc/MSc) in Computer Science, Software Engineering, or a related discipline. Hands-on experience developing production systems using Elixir or Erlang. Familiarity with functional programming paradigms and best practices. Exposure to frameworks like Phoenix, LiveView, or OTP—or a willingness to get up-to-speed quickly. Proven experience designing and maintaining APIs. More ❯

Key Requirements: A technical degree (BSc/MSc) in Computer Science, Software Engineering, or a related discipline. Hands-on experience developing production systems using Elixir or Erlang. Familiarity with functional programming paradigms and best practices. Exposure to frameworks like Phoenix, LiveView, or OTP—or a willingness to get up-to-speed quickly. Proven experience designing and maintaining APIs. More ❯

Key Requirements: A technical degree (BSc/MSc) in Computer Science, Software Engineering, or a related discipline. Hands-on experience developing production systems using Elixir or Erlang. Familiarity with functional programming paradigms and best practices. Exposure to frameworks like Phoenix, LiveView, or OTP—or a willingness to get up-to-speed quickly. Proven experience designing and maintaining APIs. More ❯

Key Requirements: A technical degree (BSc/MSc) in Computer Science, Software Engineering, or a related discipline. Hands-on experience developing production systems using Elixir or Erlang. Familiarity with functional programming paradigms and best practices. Exposure to frameworks like Phoenix, LiveView, or OTP—or a willingness to get up-to-speed quickly. Proven experience designing and maintaining APIs. More ❯

doctors, and administrators - and turn confusing, click-heavy workflows into fast, intuitive experiences. Your Experience: Minimum of 10 years of professional software engineering experience. Proficiency with object oriented and functional programming, with the ability and willingness to use and adopt new technologies. We use tools such as Phoenix, Elixir, Python, Erlang, Javascript, Node.js and more. Strong ability to More ❯

the best team to suit your skillset/interests but you could be working on: • Designing and developing scalable, tested and production grade distributed systems • R&D work for functional programming; either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning Infrastructure and tweaking research models What else More ❯

the best team to suit your skillset/interests but you could be working on: • Designing and developing scalable, tested and production grade distributed systems • R&D work for functional programming; either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning Infrastructure and tweaking research models What else More ❯

the best team to suit your skillset/interests but you could be working on: • Designing and developing scalable, tested and production grade distributed systems • R&D work for functional programming; either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning Infrastructure and tweaking research models What else More ❯

the best team to suit your skillset/interests but you could be working on: • Designing and developing scalable, tested and production grade distributed systems • R&D work for functional programming; either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning Infrastructure and tweaking research models What else More ❯

the best team to suit your skillset/interests, but you could be working on: Designing and developing scalable, tested and production-grade distributed systems R&D work for functional programming; either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml Building out Machine Learning Infrastructure and tweaking research models What else More ❯