1 to 25 of 38 Remote Permanent Functional Programming Jobs

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables … of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech Stack within … the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables … of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech Stack within … the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers More ❯

Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables … of the UK's most successful startups, built by top-tier engineers and developers from industry leading teams. We're looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech Stack within … the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables … of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech Stack within … the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables … of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech Stack within … the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables … of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech Stack within … the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers More ❯

Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a … Computational Geometry. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React … and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product Requirements Bachelor's degree in Computer Science 2+ years of experience building More ❯

with high-performance distributed systems and real-time data processing. While Go will be your primary language, the transition from Erlang applications will offer a unique opportunity to explore functional programming and expand your technical skillset. This role is eligible for inclusion in the Company's hybrid working from home policy. Qualifications Proficiency in Go 1.22+ with modern … toolchain. Strong understanding of concurrent programming, goroutines and channels. Experience with microservice architectures. Extensive experience with distributed system concepts, such as load balancing, consistent hashing, partitioning, and fault tolerance. Familiar with feed processing and event driven architectures using messaging systems, such as Kafka. Knowledge of caching strategies and in-memory data structures with an appreciation of load testing and … logging, and monitoring approaches using platforms such as ELK, Grafana, and New Relic. Experience with Docker, CI/CD, Linux system administration, and shell scripting. NoSQL distributed database knowledge. Functional programming experience with either Erlang or Haskell. Additional Information Developing and maintaining components across the Cashout services platform. Developing code in Go, focusing on performance and reliability. Designing More ❯

Hard Skills: 5+ years' experience in mobile development Native and/or React Native mobile development experience (Swift, Kotlin, TypeScript) Strong understanding of modern development patterns such as functional programming, object-oriented design, MVVM Job Description: Seeking an innovative and passionate Front-End Mobile Developer to help build the next generation of our award-winning, online auto and … Mandatory Skills: Required Technical Skills Strong working experience with browser-based technology, user interface development, responsive web design and engineering cross-browser, cross-device compliant code Architectural patterns of functional programming and best practices Preferred experience with native mobile languages - Kotlin, Objective-C, Jetpack Compose, Swift UI 3-5 years' experience with JavaScript, ES6+, Typescript Experience with JavaScript More ❯

environment. 💼 The Opportunity Collaborate with elite engineers on a SPA used across the investment bank for derivatives trading. Build elegant, high-performance UIs with real-time data updates and functional programming paradigms. Shape a front-end architecture trusted by traders, with a focus on resilience, performance, and usability . Leverage the latest web technologies in a fast-paced … Requirements Strong commercial experience with TypeScript , ES6 , HTML5, and advanced CSS. Proven delivery of performance-critical SPAs , ideally within front-office trading or other high-frequency environments. Proficiency with functional and reactive programming using immutable data structures . Attention to UI/UX detail – you take pride in building intuitive, beautiful products. Comfortable working in collaborative, high-performance More ❯

environment. 💼 The Opportunity Collaborate with elite engineers on a SPA used across the investment bank for derivatives trading. Build elegant, high-performance UIs with real-time data updates and functional programming paradigms. Shape a front-end architecture trusted by traders, with a focus on resilience, performance, and usability . Leverage the latest web technologies in a fast-paced … Requirements Strong commercial experience with TypeScript , ES6 , HTML5, and advanced CSS. Proven delivery of performance-critical SPAs , ideally within front-office trading or other high-frequency environments. Proficiency with functional and reactive programming using immutable data structures . Attention to UI/UX detail – you take pride in building intuitive, beautiful products. Comfortable working in collaborative, high-performance More ❯

environment. 💼 The Opportunity Collaborate with elite engineers on a SPA used across the investment bank for derivatives trading. Build elegant, high-performance UIs with real-time data updates and functional programming paradigms. Shape a front-end architecture trusted by traders, with a focus on resilience, performance, and usability . Leverage the latest web technologies in a fast-paced … Requirements Strong commercial experience with TypeScript , ES6 , HTML5, and advanced CSS. Proven delivery of performance-critical SPAs , ideally within front-office trading or other high-frequency environments. Proficiency with functional and reactive programming using immutable data structures . Attention to UI/UX detail – you take pride in building intuitive, beautiful products. Comfortable working in collaborative, high-performance More ❯

ideas, give and receive constructive feedback, and take collective responsibility for team outcomes. If you don't have every technology listed but have solid experience with object-oriented or functional programming and a desire to learn, you'll still be strongly considered. What you'll get in return: Profit Share: Paid quarterly (subject to company performance) Hybrid Working 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 … experience of delivering complex, data centric software 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 ❯

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 ❯

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 ❯

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 ❯

genuine ownership of your work in a culture that values freedom, responsibility, and craftsmanship. If you dont have every technology listed but have solid experience with object-oriented or functional programming and a desire to learn, youll still be strongly considered. What youll get in return: Profit Share: Paid quarterly (subject to company performance) Hybrid Working: 2 days More ❯

ownership of your work in a culture that values freedom, responsibility, and craftsmanship. If you don’t have every technology listed but have solid experience with object-oriented or functional programming and a desire to learn, you’ll still be strongly considered. What you’ll get in return: Profit Share: Paid quarterly (subject to company performance) Hybrid Working More ❯

they are seeking a results-oriented individual who is eager to coach and mentor team members, helping them grow both professionally and personally. Their development team uses various different programming languages with a particular focus on Golang but they are looking primarily for strong software developers first and experiences of technologies second. The company is made up of some … commercial experience in software engineering. Demonstrable experience building high-quality and scalable digital products and features. Strong project management and communication skills with the ability to collaborate across cross-functional teams. Ability to confidently make technical decisions in the best interests of users and the business. Strong knowledge and hands-on experience of designing well defined interfaces, we’re … CD pipelines, we’re using Google Cloud Build and Github Actions. Fluency in English (verbal and written). Join an exciting company with many opportunities to progress your Golang functional programming career. Send your CV for immediately review and further details. Golang Backend Engineer Fully Remote/UK Working Hours More ❯

they are seeking a results-oriented individual who is eager to coach and mentor team members, helping them grow both professionally and personally. Their development team uses various different programming languages with a particular focus on Golang but they are looking primarily for strong software developers first and experiences of technologies second. The company is made up of some … commercial experience in software engineering. Demonstrable experience building high-quality and scalable digital products and features. Strong project management and communication skills with the ability to collaborate across cross-functional teams. Ability to confidently make technical decisions in the best interests of users and the business. Strong knowledge and hands-on experience of designing well defined interfaces, we’re … CD pipelines, we’re using Google Cloud Build and Github Actions. Fluency in English (verbal and written). Join an exciting company with many opportunities to progress your Golang functional programming career. Send your CV for immediately review and further details. Golang Backend Engineer Fully Remote/UK Working Hours More ❯

and efficiency of our platform, by managing the software that is responsible for many critical features. By leveraging a Linux operating system and open-source technologies, the team utilise programming languages that can effectively scale and accommodate the high volume of transactions across the platform. You will develop a team of technical professionals, developing innovative solutions and taking ownership … role is eligible for inclusion in the Company's hybrid working from home policy. Qualifications Experience of server-side development, such as services, systems, messaging and middleware. Familiar with functional programming, such as Erlang, Haskell, F#, Scala or Go. Experience working with distributed systems. Good understanding of complex event processes and continuous query languages. Experience in client-server More ❯

hands-on software engineering experience Proven ability to take initiative and manage complex projects independently A tech-agnostic approach with proficiency in at least one major language (experience with functional programming is a plus) Elixir, Java, C++, Python, Phoenix LiveView, EmberJS, TypeScript, Postgres, AWS, Docker Opportunity for growth as the company expands into new markets and product lines More ❯

and LLMs. Ability to select the best analytics tools and frameworks to address a variety of problems. Strong software development experience in Python, with understanding of object-oriented and functional programming paradigms. Experience in building and deploying ML pipelines from scratch, and ensuring scalability to production environments, ideally with experience in AWS. Relentless drive and energy required to More ❯