Arlington, Virginia, United States Hybrid / WFH Options
Lockheed Martin
oriented architectures, containerization, and CI/CD tools and processes (e.g., GitLab, Docker, Jenkins ) - Embedded and real-time system programming. Functional programming a plus (Haskell, Scala, OCaml, etc.). - Experience developing software compatible with Universal Command and Control Interface (UCI) - Data Science techniques (e.g., regression analysis, statistics, K-Means clustering More ❯
Cambridge, England, United Kingdom Hybrid / WFH Options
XenServer
Linux systems Familiarity with procedural languages (e.g., C, C++, C#, Java) and scripting languages (e.g., Python) Interest or experience in functional programming (e.g., OCaml, Haskell, F#, Scala, ML) Understanding of best practices like automated testing, code review, and CI/CD A thoughtful approach to building scalable, maintainable, and correct More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Preferred Skills, Qualifications, and Experience: Experience in server-side development, such as services, systems, messaging, and middleware. Familiarity with functional programming 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 communication and More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Preferred Skills, Qualifications and Experience • 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. • Ability to problem solve. • Excellent communication More ❯
Warrington, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Qualifications and Experience Experience of server-side development, such as services, systems, messaging and middleware. Familiar with functional programming, such as Go, Erlang, C++, Haskell, F# or Scala. Knowledge of distributed systems. Familiar with Google Cloud Platform (GCP). Ability to problem solve. Excellent communication and team working skills. Bachelor More ❯
London, England, United Kingdom Hybrid / WFH Options
Input Output (IOHK)
tests Familiar with Python programming Experience with Linux, Git, and nix systems Hands-on with CI/CD tools and practices Blockchain development and Haskell experience are highly desirable Ability to lead testing initiatives independently and guide juniors Highly detail-oriented, focused on quality Continuous learner, staying updated with testing More ❯
architecture Familiar with AWS, Unix/Linux, Git, SQL, and REST Bonus Points for Experience or interest in: Functional programming languages such as Scala, Haskell and Clojure Relational and NoSQL databases such as PostgreSQL and MongoDB DevOps such as Terraform, Fargate and Kubernetes Frontend development such as Node.js and React More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
Barclays UK
all levels Skills that will help you in the role: Familiarity with UI/Web development Experience with functional languages such as F#, Scala, Haskell, or Clojure Knowledge of NoSQL databases like MongoDB Experience working in an Investment Bank Where will you be working? Our new state-of-the-art More ❯
London, England, United Kingdom Hybrid / WFH Options
V7
skills (mid and senior levels in London) Experience with functional programming; 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 and Terraform Proficiency in queue management and observability Experience with orchestration tools 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 that support real-time pricing and trading. Key Responsibilities: Design, develop, and maintain backend services for derivatives pricing using Haskell Lead the implementation of new features and performance enhancements Collaborate with business analysts and global stakeholders to deliver value-driven solutions … developers and promote best practices in functional programming Apply financial domain knowledge in derivatives pricing and risk management Key Skills: Proficient in functional programming (Haskell is preferred, OCaml/Scala also considered) Experience building scalable, high-performance backend/server-side applications Strong understanding of architecture and system design principles 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 that support real-time pricing and trading. Key Responsibilities: Design, develop, and maintain backend services for derivatives pricing using Haskell Lead the implementation of new features and performance enhancements Collaborate with business analysts and global stakeholders to deliver value-driven solutions … developers and promote best practices in functional programming Apply financial domain knowledge in derivatives pricing and risk management Key Skills: Proficient in functional programming (Haskell is preferred, OCaml/Scala also considered) Experience building scalable, high-performance backend/server-side applications Strong understanding of architecture and system design principles More ❯
South East London, England, 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 that support real-time pricing and trading. Key Responsibilities: Design, develop, and maintain backend services for derivatives pricing using Haskell Lead the implementation of new features and performance enhancements Collaborate with business analysts and global stakeholders to deliver value-driven solutions … developers and promote best practices in functional programming Apply financial domain knowledge in derivatives pricing and risk management Key Skills: Proficient in functional programming (Haskell is preferred, OCaml/Scala also considered) Experience building scalable, high-performance backend/server-side applications Strong understanding of architecture and system design principles More ❯
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
London, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
Requirements: Extensive experience with Python, TypeScript, React, AWS, PostgreSQL, and GenAI. Experience with other backend languages such as Go, Elixir, Clojure, Ruby, C++, or Haskell is a plus. Proven leadership in managing projects and teams within fast-paced, innovative environments. Ability to define technical decisions and architecture alongside the CTO. More ❯
East London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
Leeds, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
Leigh, Greater Manchester, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
London, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
Bolton, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
Altrincham, Greater Manchester, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
Bolton, Greater Manchester, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯
Leigh, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a More ❯