London, England, United Kingdom Hybrid / WFH Options
Consortia
workflows Experiment with and apply AI assistants to accelerate development and prototyping Your Background Deep expertise in Node.js , GraphQL , and modern API architecture Solid grounding in both OOP and functionalprogramming practices Experience using AI-powered tools (e.g., Cursor, GitHub Copilot) to augment development Passion for writing clean, testable code and contributing to architecture discussions Consortia is a More ❯
City of Westminster, England, United Kingdom Hybrid / WFH Options
VIOOH
/Prometheus). Write software using either Java/Scala/Python. The following are nice to have, but not required - Apache Spark jobs and pipelines. Experience with any functionalprogramming language. Writing and analysing SQL queries. Application overVIOOH Our recruitment team will work hard to give you a positive experience throughout the process, no matter the outcome. More ❯
London, England, United Kingdom Hybrid / WFH Options
Flockover.com
architectural approaches, especially within serverless environments and the benefits and limitations of Layered Architecture Understanding of how infrastructure and application layers work together to optimise your solutions. Knowledge of functionalprogramming concepts SQS and EventBridge as transport services with an interest in stream processing and queue optimisation. WHAT WE OFFER (in addition to a competitive salary) • Participation in More ❯
London, England, United Kingdom Hybrid / WFH Options
ClearScore Technology Ltd
globally so we can tackle underserved markets and offer better deals to customers. When joining our team, you'll contribute to a global microservices architecture written in Scala, using functionalprogramming to really provide value to our users. Currently, our microservices communicate via REST API calls, fostering seamless integration between different services. You will actively participate in our More ❯
enterprise applications. 3+ years of full-time experience in JavaScript development using modern frameworks (e.g., React, Angular). Experience with TypeScript and state management is a plus. Familiarity with functionalprogramming, particularly with Ramda or similar libraries. Expertise in implementing and optimizing agile development, continuous integration, and continuous delivery methodologies. Experience contributing to complex web applications, testing components More ❯
implementing scalable architecture for consuming and providing APIs Integrating with 3rd party systems Required Experience: Scala (4+ years of real, hands-on experience in Scala in a professional environment) Functionalprogramming and hands-on experience with functionalprogramming libraries Excellent knowledge of SQL and relational databases HTTP REST APIs Experience building microservices-based architectures SQL and More ❯
London, England, United Kingdom Hybrid / WFH Options
Venture Up
experiences. 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 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, using gRPC … CI/CD pipelines, using Google Cloud Build and Github Actions. Fluency in English (verbal and written). Join an exciting company with many opportunities to progress your Golang functionalprogramming career. Send your CV for immediate review and further details. Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries Gambling More ❯
team, especially in a remote setting Experience with web technologies (WASM, WebGL), Typescript, Rust, and V8 Undergraduate degree in a relevant STEM field, such as Computer Science Exposure to functionalprogramming, pair programming, and agile methodologies Product knowledge in Rates/FX or Equity derivatives is a plus Familiarity with financial derivatives and pricing is advantageous Due More ❯
London, England, United Kingdom Hybrid / WFH Options
Lunar Energy Inc
primitives Solving complex optimisation problems, using machine learning and other often bespoke algorithms Designing and implementing the business logic to expose our functionality via APIs and UI interfaces, using functionalprogramming and serverless computing 8+ years of experience as a Software Engineer Experience in strongly typed languages, such as Typescript, Rust or others Experience working with IoT devices … information with an open mind, willing to reconsider your opinions when presented with compelling evidence You are autonomous and enjoy managing your own workload and deadlines Experience with the functionalprogramming paradigm Experience using AWS, serverless technologies and infrastructure as code Experience with Machine Learning in Python Professional experience in the renewable energy sector, or an interest in More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
customer balance updates. The Core Systems team ensures the reliability and efficiency of our platform by managing critical software features. Utilizing Linux and open-source technologies, the team employs programming languages that support high transaction volumes. You will lead a team of technical professionals, develop innovative solutions, and take ownership of code and system delivery in a fast-paced … new technologies and be at the forefront of platform development. Preferred Skills, Qualifications, and Experience: Experience in server-side development, such as services, systems, messaging, and middleware. Familiarity with functionalprogramming languages like Erlang, Haskell, F#, Scala, or Go. Experience working with distributed systems. Understanding of complex event processing and continuous query languages. Strong problem-solving skills. Excellent More ❯
London, England, United Kingdom Hybrid / WFH Options
commercetools GmbH
and multi-tenant architecture Work closely with Product Management for understanding the business needs and finding appropriate technical solutions Contribute to the definition of the team roadmap Ensure that functional and non-functional requirements (performance, security) are met Collaborate with engineers from different teams to ensure technical excellence of the whole platform Take part in on-call rotation … with the worldwide distributed team) for production systems What you need to succeed: Proven experience as a Backend Engineer developing server-side systems on the JVM Solid understanding of functionalprogramming Solid understanding of parallel and asynchronous programming, as well as non-blocking I/O Experience in developing REST API’s and knowledge of scalable architectures More ❯
Providing occasional 3rd level support for information security enhancements and due diligence responses. Interact with external partners and clients to design solutions Be part of a world class, cross-functional team solving real world problems What you'll need to succeed: Excellent interpersonal skills and stakeholder management are essential Technical experience and up to date knowledge of the modern … complex business problems. Be passionate about solving real-world problems using technology Possess excellent written and verbal communication skills Thrive in dynamic, multi-cultural environments, working both in cross-functional teams and independently Desirable skills, experience and knowledge: Python and Clojure/other functionalprogramming language knowledge and experience Strong project and change management skills Proven experience More ❯
during sales An understanding and appreciation of: Automated testing Cyber-security issues and mitigations Application performance issues and solutions Software design patterns and when to use them Agile, cross-functional and empowered team background Enjoy working with product owners, front-end and devops engineers to create great products Strong communication, critical thinking, creative problem-solving, interpersonal and analytical skills … Passionate about your craft Bonus/additional skills Experience building ecommerce and marketplace products Interest and understanding of functionalprogramming languages, and experience building services with Elixr and Pheonix Cloud infrastructure build and maintenance, especially using IaC and Kubernetes on AWS Computer Science or other relevant degree Becoming part of a passionate and fast-growing company Access to More ❯
responsive and reliable mobile applications that provide our customers a rewarding experience. You'll also play a key technical leadership role, working closely with architects, product managers, and cross-functional teams. You'll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a fun … code, taking advantage of software design patterns, architectural patterns and data structures. Nice to have Experience with FRP framework (ReactiveCocoa, RxSwift, etc) Experience with MVVM(-C) architecture Experience with Functionalprogramming/concepts Experience with CI/CD development methodologies and tools (fastlane, Jenkins, Travis, GoCD, etc) Ability/experience testing code and/or writing testable code More ❯
London, England, United Kingdom Hybrid / WFH Options
Morgan Stanley
refining user stories, designing solutions, and writing code, as well as helping our support organisation answer the most interesting user questions Work within a diverse technology landscape involving various programming languages (Java, Scala, Python), data management systems, and CI/CD pipelines (Jenkins) What You’ll Bring To The Role Bachelor’s degree in Computer Science, Engineering, or a … related field, or equivalent experience 3+ years of software development experience Interest in functionalprogramming and the Scala language Strong analytical and problem-solving skills Ability to align technology initiatives with business objectives Ability to foster a collaborative team culture Strong communication skills in general Prior experience in developing data or computation-intensive (e.g. grid-based) backend applications More ❯
London, England, United Kingdom Hybrid / WFH Options
V7
A degree in Computer Science or a related field 3+ years of experience as a Backend Engineer with strong architectural skills (mid and senior levels in London) Experience with functionalprogramming; familiarity with Elixir is a plus, but other languages like Scala, GoLang, Node.js, Haskell, Clojure, F# are also acceptable Infrastructure management experience at scale, comfortable with AWS More ❯
London, England, United Kingdom Hybrid / WFH Options
Spotify
smoke testing your features in production. You ensure the quality of your code with modern testing, debugging and automation techniques. You have a solid understanding of object-oriented and functionalprogramming paradigms. You proactively identify tech debt and work with your team to get it prioritized. You’re interested in rounding out your data skillset to make yourself More ❯
functions, CTEs, recursion, performance optimization). Good communication, enthusiasm, humility, and eagerness to learn. Ability to thrive in a fast-paced, ambiguous environment. Nice to haves: Advanced Python skills (functionalprogramming, testing). Advanced ML skills (gradient boosting, neural networks). Experience with dbt and Snowflake. Deploying ML models. Experience in consumer credit or lending products. Salary: Dependent More ❯
London, England, United Kingdom Hybrid / WFH Options
V7
Senior Backend Engineer) Bachelors or higher in Computer Science or a related field with a strong portfolio of projects. A backend engineer with strong architectural design skills Expertise in functionalprogramming, with working experience using Elixir A strong interest in ML and applying AI to solve problems Infrastructure management experience at scale; you should be comfortable in using More ❯
London, England, United Kingdom Hybrid / WFH Options
Natter
track record of technical excellence, delivering resilient systems, ideally behind consumer products Desirable Previous experience developing high-performant, high-load frontend applications Experience building & maintaining component libraries Experience with functionalprogramming Proficient with cross-browser testing & compatibility Experience in and enjoyment of early stage/startup environments What’s In It For You ️ Quarterly international team offsite Remote More ❯
or Software Engineering role. Previous professional experience using OLTP and OLAP databases, and dbt. Advanced SQL skills, covering window functions, CTEs, recursion and performance optimisation. Advanced Python skills, covering functionalprogramming and testing. Good communication skills, enthusiasm, humility and a desire to learn. A preference to work in a fast-paced and unstructured environment. Nice to haves: Advanced More ❯
Redis). Good system design skills. We are hiring at all levels of our Engineering Progression framework in London. It would also be great if you have: Experience with functional programming. Familiarity with Elixir is a plus, but other languages like Scala, GoLang, Node.js, Haskell, Clojure, and F# are also great. Infrastructure management experience at scale; ideally you should More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Nicoll Curtin
Senior Functional Programmer - Haskell, OCaml, Scala, Linux, F#, Financial Markets, Openshift, Kubernetes I am working with a leading financial services firm who is seeking a Senior Haskell Developer to join a specialist team developing cross-product transactional pricing systems for derivatives. This is a rare opportunity to work with a production-grade Haskell codebase, delivering high-performance backend systems … performance enhancements Collaborate with business analysts and global stakeholders to deliver value-driven solutions Contribute to system architecture and technical direction of the platform Engage in code reviews, pair programming, and continuous improvement initiatives Support production systems and deployment pipelines alongside DevOps teams Mentor junior developers and promote best practices in functionalprogramming Apply financial domain knowledge … in derivatives pricing and risk management Key Skills: Proficient in functionalprogramming (Haskell is preferred, OCaml/Scala also considered) Experience building scalable, high-performance backend/server-side applications Strong understanding of architecture and system design principles Comfortable working in Linux environments and agile development settings Financial markets experience (particularly derivatives) is advantageous MSc or PhD in More ❯
Senior Functional Programmer - Haskell, OCaml, Scala, Linux, F#, Financial Markets, Openshift, Kubernetes I am working with a leading financial services firm who is seeking a Senior Haskell Developer to join a specialist team developing cross-product transactional pricing systems for derivatives. This is a rare opportunity to work with a production-grade Haskell codebase, delivering high-performance backend systems … performance enhancements Collaborate with business analysts and global stakeholders to deliver value-driven solutions Contribute to system architecture and technical direction of the platform Engage in code reviews, pair programming, and continuous improvement initiatives Support production systems and deployment pipelines alongside DevOps teams Mentor junior developers and promote best practices in functionalprogramming Apply financial domain knowledge … in derivatives pricing and risk management Key Skills: Proficient in functionalprogramming (Haskell is preferred, OCaml/Scala also considered) Experience building scalable, high-performance backend/server-side applications Strong understanding of architecture and system design principles Comfortable working in Linux environments and agile development settings Financial markets experience (particularly derivatives) is advantageous MSc or PhD in More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Functional Programmer (Haskell), london (city of london) col-narrow-left Client: Nicoll Curtin Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: Senior Functional Programmer - Haskell, OCaml … performance enhancements Collaborate with business analysts and global stakeholders to deliver value-driven solutions Contribute to system architecture and technical direction of the platform Engage in code reviews, pair programming, and continuous improvement initiatives Support production systems and deployment pipelines alongside DevOps teams Mentor junior developers and promote best practices in functionalprogramming Apply financial domain knowledge … in derivatives pricing and risk management Key Skills: Proficient in functionalprogramming (Haskell is preferred, OCaml/Scala also considered) Experience building scalable, high-performance backend/server-side applications Strong understanding of architecture and system design principles Comfortable working in Linux environments and agile development settings Financial markets experience (particularly derivatives) is advantageous MSc or PhD in More ❯