26 to 50 of 79 Permanent Functional Programming Jobs

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 ❯

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 ❯

to define clear API contracts and integration patterns Contribute to code quality, testing, and CI/CD automation Monitor, troubleshoot, and optimize performance of services and API endpoints Strong programming experience with Scala (Akka, Play, or Cats/Scalaz) and Java (8+) Hands-on experience with Apache Kafka (producer/consumer APIs, Avro/Protobuf, topic design) Experience building … and consuming RESTful APIs and optionally GraphQL APIs Knowledge of functional programming and reactive patterns Familiarity with Spring Boot, asynchronous programming, and dependency injection Strong unit and integration testing practices Comfortable with Git, CI/CD pipelines, and API security (OAuth2, JWT) Nice to Have Kafka Streams or Akka Streams experience Exposure to Kafka Connect, Schema Registry 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 ❯

impact, and a seat at the table in building our product. Elixir, Rust, PostgreSQL, Typescript, GCP -by design. Our systems are modern and fun to build. If you love functional programming or systems-level thinking, you'll feel right at home. Local team. Global impact. We're expanding in Romania to build a strong, collaborative engineering hub. You … Ownership: You take responsibility for projects, drive results, and deliver on commitments Honesty: You demonstrate integrity, transparency, and ethical behavior in all interactions Collaboration: You work effectively with cross-functional teams and foster a culture of teamwork Improvement: You continuously seek opportunities for growth, innovation, and personal development Passionate about delivering business value by applying your engineering skills Experience 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 ❯

planning, and retrospectives. Support continuous integration and deployment pipelines. Required Skills and Experience: Strong commercial experience in Scala development. Hands-on experience with the Play Framework. Solid understanding of functional programming principles. Experience working with REST APIs, JSON, and protocols. Familiarity with version control systems (Git). Agile/Scrum delivery environment experience. Understanding of TDD/BDD More ❯

planning, and retrospectives. Support continuous integration and deployment pipelines. Required Skills and Experience: Strong commercial experience in Scala development. Hands-on experience with the Play Framework. Solid understanding of functional programming principles. Experience working with REST APIs, JSON, and HTTP protocols. Familiarity with version control systems (Git). Agile/Scrum delivery environment experience. Understanding of TDD/ 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 ❯

a high achieving software engineering team(s) within a start-up organisation AWS/Azure solutions architect professional certification Hands on experience on setting up CI/CD pipelines, Functional Programming and Serverless Architectures Fluent in at least 2 of the following languages: NodeJS, Java, React, Python Ideally domain experience as well, ie working with the NHS Undergraduate More ❯

prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge with ION platform Expertise in object … oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience More ❯

prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge with ION platform Expertise in object … oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience More ❯

prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge with ION platform Expertise in object … oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience More ❯

prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge with ION platform Expertise in object … oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience More ❯

prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge with ION platform Expertise in object … oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience 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 ❯

Java development experience. Strong multi-threading and low-latency programming. Deep understanding of financial instruments (Rates, Credit, Derivatives). Proven experience with ION platforms and FIX protocol. Familiarity with functional programming and SOLID principles. More ❯

Java development experience. Strong multi-threading and low-latency programming. Deep understanding of financial instruments (Rates, Credit, Derivatives). Proven experience with ION platforms and FIX protocol. Familiarity with functional programming and SOLID principles. More ❯