1 to 25 of 80 Permanent Functional Programming Jobs

Java Developer

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
customer, development and test teams where/when required. EssentialKnowledge, skills and experience: Excellent core Java 1.8, Spring, Sprng boot, Quartz, RabbitMQ, IBM MQ, Functional programming (Erlang), Oracle and DB2 databases, Websphere and Tomcat serversExcellent and proven experience of Oracle SQL and PL/SQLStrong knowledge/experience … customer, development and test teams where/when required. EssentialKnowledge, skills and experience: Excellent core Java 1.8, Spring, Sprng boot, Quartz, RabbitMQ, IBM MQ, Functional programming (Erlang), Oracle and DB2 databases, Websphere and Tomcat serversExcellent and proven experience of Oracle SQL and PL/SQLStrong knowledge/experience ...

Developer – Scala

Location
Newcastle upon Tyne, England, United Kingdom
develop, and maintain robust backend services using Scala 2.13 and Play Framework in a Pekko-based environment. Build clean, testable, and maintainable code using functional programming principles, immutability, pattern matching, and asynchronous programming with Futures. Work with MySQL to design efficient data access patterns, optimize queries, tune … enterprise, SaaS, or cloud-based product environments. Strong hands-on experience with Scala, including collections, Futures, immutability, pattern matching, error handling, and clean functional design. Commercial experience with Play Framework or comparable JVM backend frameworks; Pekko or Akka experience is highly relevant. Strong understanding of relational databases, especially MySQL ...

Haskell / Scala Functional Programmer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Haskell/Scala Functional Programmer Quant Capital is urgently looking for the best in the market of Functional Programming to join our high profile client. NO financial experience is needed in fact financial experience is probably a negative. Our client prefers to give very few details about … either Haskell or ScalaI am looking for Haskell or Scala Developers with a background in:§Around the 4 years of commercial experience mark§Functional programming experience over 2 years plus§Commercial experience of either Haskell or Scala§KnockoutJS§SQL/MySQL/NoSQL§Clojure would be an added ...

7 Fundamentals of Software Engineering

Location
Greater London, England, United Kingdom
programmation procédurale, orientée objet et fonctionnelle Compétences en bases de données, systèmes d'exploitation et architecture informatique Fonds de connaissances nécessaires: Programmation & langages Procedural programming Object-oriented programming Functional programming Type systems Static vs dynamic typing Memory safety Compilation vs interpretation VMs & runtimes Garbage collection Imperative ...

Senior Software Engineer - Quant trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Architect and create comprehensive software systems covering various aspects such as trading systems, exchange connectivity solutions, and monitoring systems. Apply your expertise in multiple programming languages, including Python or Java, to successfully accomplish development tasks. Conduct thorough testing at the unit, functional, and integration levels to ensure software … C++Demonstrated expertise in network communication, including multicast and WebSockets. Proficiency in inter-process messaging, micro-service architectures, and API design. Familiarity with Functional Programming and Immutable Design. Experience with trading systems is desirable, but not required. Excellent oral and written communication skills. Bachelor's degree in Computer Science ...

Senior Scala Engineer

Location
Worthing, England, United Kingdom
note that fully remote working (100% from home) is not permitted.## **Your role**• Develop and maintain Scala services using frameworks like Play, Akka, and functional programming principles. • Write high-quality, tested code with TDD/BDD and tools such as ScalaTest. • Design and optimise microservices for performance, scalability … want to change something it’s within your power to do so.## Your skills and experience• Strong professional experience with Scala and functional programming • Experience designing and consuming REST APIs; JSON validation/serialisation using Play JSON or Circe. • Designing for and querying relational databases such as PostgreSQL ...

Scala Developer

Hiring Organisation
SF Partners
Location
London, Cremorne, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum great benefits
Scala Developer with solid functional programming understanding is sought on a remote basis by an international software house based in the UK. This Scala Developer would be joining the innovation arm of the business tasked with building complex, highly scalable greenfield solutions utilised worldwide to deliver critical infrastructure. … class physical and mental wellbeing program. This Scala Developer should have most of the following key skills: - At least three years commercial scala programming - Strong framework experience (Akka, Play etc) - Relational database experience - PostgreSQL - MongoDB, NoSQL - RESTful API design and integration experience - Solid unit test understanding - Spec2, scalaTest ...

Scala Developer

Hiring Organisation
SF Partners Admin
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Scala Developer with solid functional programming understanding is sought on a remote basis by an international software house based in the UK. This Scala Developer would be joining the innovation arm of the business tasked with building complex, highly scalable greenfield solutions utilised worldwide to deliver critical infrastructure. … class physical and mental wellbeing program. This Scala Developer should have most of the following key skills: - At least three years commercial scala programming - Strong framework experience (Akka, Play etc) - Relational database experience - PostgreSQL - MongoDB, NoSQL - RESTful API design and integration experience - Solid unit test understanding - Spec2, scalaTest ...

Software Developer F#

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Developing and maintaining tools and applicationsOperating system buildsSoftware deploymentEntire development life-cycle of each projectMy client uses a number of different platforms and programming languages to devlop and maintain the trading environment. You will gain exposure to multiple parts of the business and will be expected to collaborate with … others. As a developer you will need:3+ years' experience developing in a .NET languageWPF experience for GUI applicationsF# or functional programming experienceWindows ServicesASP.NetWebAPIAn openness to learn other languages, particularly functional programming languages. MS SQLPowershellA knack for optimising codeThis role suits a candidate ...

Software Engineer

Location
Reading, England, United Kingdom
implications, communicate recommendations clearly and collaborate with engineers and stakeholders throughout delivery. Alongside your own development work, you’ll contribute to code reviews, pair programming, quality assurance and knowledge‐sharing. You’ll also help less‐experienced engineers develop their technical capabilities through practical support, mentoring and constructive feedback. What … technical approaches, assessing trade‐offs such as performance, security, maintainability, complexity, cost and resource requirements. Develop and maintain clean, reliable software that meets agreed functional and non‐functional requirements, supported by clear user and developer documentation. Diagnose and resolve issues across development and production environments, identifying blockers early ...

Senior Java Developer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
JUnit, Cucumber, Gherkin, PACT, and Test Containers. Working knowledge of event/message brokers such as Kafka and MQ.Advanced Scala programmingStrong proficiency in both functional and object‐oriented programming paradigms, with the ability to apply the right approach to deliver robust, maintainable solutions. Deep practical expertise with Scala … building concurrent, distributed, and resilient message‐driven systems. Play Framework – for developing scalable, high‐performance web applications. Cats/Scalaz – for implementing advanced functional programming abstractions and patterns. Proven experience delivering enterprise‐grade Scala applications in production environments, with a focus on quality, resilience, performance, and observability. Strong ...

Lead Full Stack Kotlin Developer

Hiring Organisation
Hippo Digital
Location
Leeds, UK
Employment Type
Full-time
Kotlin. Experience with asynchronous messaging systems (e.g., Kafka) and Kotlin Coroutines/Flow for reactive programming. Familiarity with Kotlin-native frameworks (e.g., Ktor) or functional programming libraries (e.g., Arrow).What makes us greatAlongside working with some of the most talented people out there ...

Lead Full Stack Kotlin Developer

Hiring Organisation
Hippo Digital
Location
Manchester, UK
Employment Type
Full-time
Kotlin. Experience with asynchronous messaging systems (e.g., Kafka) and Kotlin Coroutines/Flow for reactive programming. Familiarity with Kotlin-native frameworks (e.g., Ktor) or functional programming libraries (e.g., Arrow).What makes us greatAlongside working with some of the most talented people out there ...

Lead Full Stack Kotlin Developer

Hiring Organisation
Hippo Digital
Location
Birmingham, UK
Employment Type
Full-time
Kotlin. Experience with asynchronous messaging systems (e.g., Kafka) and Kotlin Coroutines/Flow for reactive programming. Familiarity with Kotlin-native frameworks (e.g., Ktor) or functional programming libraries (e.g., Arrow).What makes us greatAlongside working with some of the most talented people out there ...

Lead Software Developer

Location
Wideopen, England, United Kingdom
stack software development principles and modern engineering practices. Experience designing and implementing RESTful APIs and event-driven architectures. Strong knowledge of object-oriented and functional programming concepts. Experience with CI/CD tools, containerization technologies, frontend frameworks such as React, and advanced Java frameworks including Spring and Hibernate. ...

Senior Web Developer

Location
Wrexham, Wales, United Kingdom
interact with data (no complex database development expected). Strong understanding of front‐end architecture, component-based design, and state management. Solid grasp of programming fundamentals, including functional programming principles and common design patterns. Experience working with API-driven applications and consuming REST/JSON endpoints. Awareness ...

Senior Web Developer

Hiring Organisation
Gap Personnel - Wrexham
Location
Wrexham, Conwy County, Wales, United Kingdom
Employment Type
Permanent
interact with data (no complex database development expected). Strong understanding of front-end architecture, component-based design, and state management. Solid grasp of programming fundamentals, including functional programming principles and common design patterns. Experience working with API-driven applications and consuming REST/JSON endpoints. Awareness ...

Scala Developer

Location
Sunderland, England, United Kingdom
ship high-performance software components that meet user needs end-to-end. Write clean, secure, and well-tested code in Scala , adhering to functional programming principles and modern development standards. Operate, maintain, and scale the services you build identifying, triaging, and resolving production issues. Follow and help improve ...

Senior Full Stack Developer (Kotlin, React) – Banking – London

Location
Greater London, England, United Kingdom
business, ship frequent releases, and have a real influence on product and technical direction. How we build XP practices: Test‐Driven Development, pair programming, continuous refactoring, trunk‐based development, and frequent production releases. Human‐in‐the‐loop AI: We use GitHub Copilot to improve quality while keeping humans … with experience using a JVM language on the server side (10+ years of professional software development) Strong grounding in Object‐Oriented and/or Functional programming concepts Proven use of XP/agile practices: TDD, acceptance testing, pair programming, continuous integration Experience applying iterative development to deliver ...

Senior AI Product Engineer

Location
United Kingdom
Requirements Bachelor’s degree in Computer Science, Software Engineering, or a related field. Background in category theory, type theory, or formal methods Experience with functional programming paradigms Familiarity with scientific computing or numerical programming environments What We Offer Collaborative and growth‐oriented work environment. Competitive consultancy ...

Senior Associate Software Engineer- Python

Location
Glasgow, Scotland, United Kingdom
Design and maintain AI developer tooling, including prompt engineering and LLM-assisted code generation Required qualifications, skills, and capabilities Proficiency in Python, object oriented programming, context managers, generators, and functional programming pattern Experience with test-driven or test-heavy development, including unit, integration, and regression testing Understanding … financial services, derivatives pricing, market data, or valuation concepts Experience with distributed compute or job scheduling systems Knowledge of reactive or event-driven programming #J-18808-Ljbffr ...

Senior Lead Scala/Java Software Engineer - CDAO Data Platforms

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
technical expertise and problem-solving methodologies to tackle a diverse array of challenges that span multiple technologies and applications. Your deep knowledge of Scala, functional programming and agentic techniques will help our team meet the requirements of our diverse user base. Your work will be intellectually challenging ranging … from meta-programming, domain specific languages and interpreter design to delivery of services and user interfaces all via public cloud. Job responsibilitiesLeads the engineering of cutting-edge solutions in the areas of metadata, meta-modelling and distributed systems. Regularly provides technical guidance and direction to support the business ...

Senior Lead Scala/Java Software Engineer - CDAO Data Platforms

Location
Greater London, England, United Kingdom
technical expertise and problem-solving methodologies to tackle a diverse array of challenges that span multiple technologies and applications. Your deep knowledge of Scala, functional programming and agentic techniques will help our team meet the requirements of our diverse user base. Your work will be intellectually challenging ranging … from meta-programming, domain specific languages and interpreter design to delivery of services and user interfaces all via public cloud. Job responsibilities Leads the engineering of cutting-edge solutions in the areas of metadata, meta-modelling and distributed systems. Regularly provides technical guidance and direction to support the business ...

Senior Associate Software Engineer- Python

Location
Glasgow, Scotland, United Kingdom
Design and maintain AI developer tooling, including prompt engineering and LLM-assisted code generation Required qualifications, skills, and capabilities Proficiency in Python, object oriented programming, context managers, generators, and functional programming pattern Experience with test-driven or test-heavy development, including unit, integration, and regression testing Understanding … financial services, derivatives pricing, market data, or valuation concepts Experience with distributed compute or job scheduling systems Knowledge of reactive or event-driven programming ABOUT US J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy ...

Scala Engineer

Location
Greater London, England, United Kingdom
Workplace: White City, London - Hybrid Software Engineer (Scala) — Core Level Work within a cross-functional product or platform team across our User and Payments streaming domains to deliver and support robust, highly scalable microservices that meet the high-concurrency needs of ITV’s Streaming business (ITVX). … actively collaborating with team members and building knowledge of domain architecture. Key Responsibilities As an Individual Write high-quality, clean, well-tested, and idiomatic functional code, primarily in Scala All features should include unit and integration tests to validate correct functioning Ensure code is peer-reviewed through constructive Pull ...