London, England, United Kingdom Hybrid / WFH Options
Copper.co
Essential Proficiency building software with a JVM language. We primarily use Scala but are willing to consider someone with Kotlin and Java background. Knowledge of both object-oriented and functionalprogramming concepts. Familiarity with relational databases such as PostgreSQL. Experience building APIs, microservices, or distributed systems. Excellent communication skills to articulate ideas, problems, and solutions. Desirable Experience in More ❯
doctors, and administrators - and turn confusing, click-heavy workflows into fast, intuitive experiences. Your Experience: Minimum of 10 years of professional software engineering experience. Proficiency with object oriented and functionalprogramming, with the ability and willingness to use and adopt new technologies. We use tools such as Phoenix, Elixir, Python, Erlang, Javascript, Node.js and more. Strong ability to More ❯
London, England, United Kingdom Hybrid / WFH Options
WorksHub
team where everyone pulls more than their weight, where everyone matters and all opinions are valuable. Key Criteria Proven history of delivering services running in a production setup. Excellent programming skills and experience in at least one modern and/or functionalprogramming language, ideally on the JVM, including, but not limited, to Java 8+, Scala, Kotlin More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
efficient queue management. Ship to production multiple times a day, solving real-world user challenges. Your Experience 5+ years of backend development experience with strong architectural skills. Experience with functionalprogramming (Elixir, Scala, Go, Node.js, Haskell, etc.). Cloud infrastructure expertise (AWS, Terraform) with experience at scale. Deep understanding of distributed systems, orchestration, and observability. Knowledge of GenAI More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Harrington Starr
squads to ship new betting & broadcast features. • Champion best‐practice: TDD/CI, observability, DevOps automation. What you will need • 3+ years of professional Scala development • Solid grasp of functionalprogramming and concurrency (Cats, ZIO or similar). • Production experience with message queues or streaming platforms (Kafka, Kinesis, Pulsar). • Cloud deployment know‐how – AWS preferred (Docker, Kubernetes More ❯
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
East London, London, United Kingdom Hybrid / WFH Options
Skillful
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Skillful
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Skillful
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
Altrincham, Greater Manchester, United Kingdom Hybrid / WFH Options
Skillful
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
Leigh, Greater Manchester, United Kingdom Hybrid / WFH Options
Skillful
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
Bolton, Greater Manchester, United Kingdom Hybrid / WFH Options
Skillful
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
Skillful
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
Bury, Greater Manchester, United Kingdom Hybrid / WFH Options
Skillful
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid / WFH Options
Skillful
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
London, England, United Kingdom Hybrid / WFH Options
Artificial Labs
major new feature development ("Bets") and ongoing iterative improvements: Discovery: Lead discovery and research to identify and prototype potential solutions to key problems. Bets: Own frontend engineering on cross-functional Bet teams: you’ll work closely with designers and backend engineers, and will be responsible for the quality and reliability of the frontend experience. Maintenance: Take care of dependency … in writing—while remaining receptive to feedback and adapting your approach to ship effective solutions. Desirable Our backend is built with Haskell, so experience with Haskell, PureScript or other functionalprogramming languages would be a plus. However, this isn’t a requirement and shouldn’t dissuade you from applying! We’re actively working to make our backend and More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
layers. What they're looking for: 3+ years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functionalprogramming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just More ❯
Newcastle Upon Tyne, Tyne And Wear, United Kingdom Hybrid / WFH Options
golunar
next-generation integration engine to interface all the hardware infrastructure at each hospital. Your Experience: Minimum of 10 years of professional software engineering experience. Proficiency with object oriented and functionalprogramming, with the ability and willingness to use and adopt new technologies. We use tools such as Phoenix, Elixir, Python, Erlang, Javascript, Node.js and more. Strong ability to More ❯
development experience. A strong background in startup environments, with the ability to thrive in fast-paced, ambiguous settings. Deep expertise in cloud-native development and AWS infrastructure. Proficiency in functionalprogramming-experience with Elixir, Erlang, or Scala is highly desirable. A proactive, hands-on engineer who can lead by example and help scale the team and technology. Key … Responsibilities Design and build scalable, secure systems from the ground up. Collaborate with cross-functional teams to bring innovative ideas to life. Establish engineering best practices and contribute to a strong technical culture. Mentor future hires and help grow the UK engineering presence. This opening offers a competitive salary, along with the opportunity to shape a transformative healthcare product More ❯
points every second • Building a high performance database in C++ • Touching hardware and FPGA cards and learning how to optimize at a very low level • R&D work for functionalprogramming (either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning Infrastructure and tweaking research models You’ll More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
points every second • Building a high performance database in C++ • Touching hardware and FPGA cards and learning how to optimize at a very low level • R&D work for functionalprogramming (either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning Infrastructure and tweaking research models You’ll More ❯
Warrington, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
inclusion in the Company’s hybrid working from home policy. Preferred Skills, Qualifications and Experience Experience of server-side development, such as services, systems, messaging and middleware. Familiar with functionalprogramming, 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 More ❯
London, England, United Kingdom Hybrid / WFH Options
V7 Labs
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
Serotonin
FPGA. You will work closely with the hardware and cryptography teams to define both the instruction sets and high-level program representations. The tools you build may be embedded programming languages, special-purpose compilers, and machine emulators. This work will have a direct impact on Irreducible’s success by improving the product’s developer experience, performance, and security. Qualifications … Proficiency in Rust Functionalprogramming Experience writing CPU assembly code Experience writing virtual machine interpreters or emulators Strong written and verbal communications skills Ability to think across layers of abstractions Understanding of technology tradeoffs and a pragmatic approach to problem solving Desire to work in a fast-paced startup environment Bonus Qualifications: Familiarity with WebAssembly or RISC-V More ❯
engineer to bring in the know-how to deliver big vertical features and leave the system in a better operational state as a result. You're, ideally, acquainted with functionalprogramming and the JVM, as some of our systems are built with Clojure. You don't need to know Clojure, but we're looking for an engineer who More ❯