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 ❯
to the Table Hands-on experience with server-side development (services, messaging, middleware) Comfortable with functional or OOP – Java, Python, .Net, Golang, Erlang, C++, Haskell, Scala, or similar Understanding of distributed system architecture, microservices and client-server design Familiarity with Google Cloud Platform (or any cloud provider) Comfortable working in 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 ❯
event-driven architectures. Strong understanding and, ideally, practical experience with high availability and horizontal scalability strategies. 3+ years of experience with programming in SCALA, Haskell, or Rust, desired. 3+ years of experience working with AWS 1+ years in the crypto/blockchain industry 3+ years of experience with Jira and More ❯
least 2 years of professional software engineering experience Programming skills in an object-oriented or functional paradigm (Java/C Python/Scala/Haskell/Rust) Expertise in creating and validating pricing and/or risk models Library design and development (preferably on Athena, Quartz, Beacon, or SecDB) #J More ❯
debugging tools such as gdb, perf, DTrace, and SystemTap Strong troubleshooting skills Proficiency in any programming language (Go, Python, Rust, Julia, Java, C++, Scala, Haskell, or others) is a plus This is an excellent opportunity to join one of the most skilled Linux teams, with a culture of knowledge sharing More ❯
debugging tools such as gdp, perf, DTrace and SystemsTap Strong troubleshooting skills Strength with any programming language (Go, Python, Rust, Julia, Java, C++, Scala, Haskell or other functional languages would be a plus) This is a fantastic opportunity to work in one of the highest skilled Linux teams around with More ❯
similar) in Production Experience in at least one statically typed OOP language (Java/C++ etc) Some knowledge of Functional Programming (e.g. ML/Haskell/F# etc) Nice to Have A ComSci degree from a top rated uni Experience in a fast-paced startup environment Task orchestration frameworks (e.g. 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 ❯
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 ❯
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 ❯
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 ❯
field Proven Rust programming experience using Rust Experience with low-level programming languages in general (e.g. Rust, C, C++) or functional programming languages (e.g. Haskell, OCaml, Nix) This is a great opportunity for a Senior Software Engineer to join a passionate team of engineers developing software systems that perform at More ❯
/engineering field Proven Rust programming experience Experience with low-level programming languages in general (e.g. Rust, C, C++) or functional programming languages (e.g. Haskell, OCaml, Nix) Proven experience working on relevant areas such as performance sensitive - or systems programming, and compiler development This is a great opportunity for a More ❯
related scientific/engineering field Proven Rust programming experience Experience with low-level programming in general (e.g. Rust, C, C++) or functional programming (e.g. Haskell, OCaml, Nix) Proven experience working on relevant areas such as performance sensitive - or systems programming, and compiler development This is a great opportunity for a 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 ❯
years in systems programming, compiler development, or performance-critical software. Proficiency in Rust (production or open-source projects) or expertise in C/C Haskell/OCaml. A passion for novel architectures and optimizing code for unconventional hardware. Strong problem-solving skills and a collaborative, critical-thinking mindset. If you 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 ❯
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 ❯