1 to 25 of 65 Functional Programming Jobs in London

Java Developer

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 80 K
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 ...

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 ...

Haskell / Scala Functional Programmer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
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 themselves … 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 ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
East London, London, United Kingdom
design and development of scalable, high‐performance applications . This role involves working on modern distributed systems, building APIs, and collaborating with cross‐functional teams to deliver enterprise‐grade solutions. Key responsibilities: Design, develop and maintain backend services and APIs using Scala and Play Framework . Implement RESTful endpoints … manage request/response lifecycle, and handle authentication/authorization flows. Write well-structured, idiomatic Scala and use functional programming patterns where appropriate. Build and maintain automated tests (unit, integration), and support test automation efforts. Collaborate with product owners, UX, QA, and other engineers in an Agile environment ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
Central London / West End, London, United Kingdom
design and development of scalable, high‐performance applications . This role involves working on modern distributed systems, building APIs, and collaborating with cross‐functional teams to deliver enterprise‐grade solutions. Key responsibilities: Design, develop and maintain backend services and APIs using Scala and Play Framework . Implement RESTful endpoints … manage request/response lifecycle, and handle authentication/authorization flows. Write well-structured, idiomatic Scala and use functional programming patterns where appropriate. Build and maintain automated tests (unit, integration), and support test automation efforts. Collaborate with product owners, UX, QA, and other engineers in an Agile environment ...

Scala Developer - Remote Contract

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
Play Framework . Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. Write clean, idiomatic Scala code and apply functional programming principles where appropriate. Develop and maintain automated tests (unit and integration) and support test automation initiatives. Collaborate with product owners, UX designers … other engineers in an Agile environment (Scrum/Kanban). Participate in code reviews, architecture discussions, and pair programming sessions. Troubleshoot and resolve production issues; contribute to reliability and observability (logging, metrics, alerts). Assist in defining CI/CD pipelines and deployment processes (e.g., Jenkins, GitHub Actions, Concourse ...

Scala Developer - Remote Contract

Hiring Organisation
Stealth iT Consulting
Location
East London, London, United Kingdom
Play Framework . Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. Write clean, idiomatic Scala code and apply functional programming principles where appropriate. Develop and maintain automated tests (unit and integration) and support test automation initiatives. Collaborate with product owners, UX designers … other engineers in an Agile environment (Scrum/Kanban). Participate in code reviews, architecture discussions, and pair programming sessions. Troubleshoot and resolve production issues; contribute to reliability and observability (logging, metrics, alerts). Assist in defining CI/CD pipelines and deployment processes (e.g., Jenkins, GitHub Actions, Concourse ...

Software Developer F#

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
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 who has had responsibility early ...

Python Developer

Location
Greater London, England, United Kingdom
contribute to delivery Lead architecture decisions that align with company standards and ensure these are well understood across the team Collaborate with cross-functional teams, including developers, quants, and traders, to improve system effectiveness with a focus on flexibility, speed, and accuracy Work on Greenfield Python and Golang projects … assembly language Python 3.10+, JavaScript, TypeScript, and Go RabbitMQ, Kafka, PostgreSQL, Redis, Linux servers, OpenTelemetry, Prometheus, Grafana, and Zabbix Nice to have: Interest in functional programming and its application in the real world Условия: Extremely lucrative salary and significant bonus Greenfield Python and Golang work, both challenging ...

Senior Java Developer

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
like 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, including … Akka – for 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 understanding ...

Senior Golang Software Engineer

Hiring Organisation
Venture Up
Location
London, United Kingdom
Salary
£ 100 K
results-oriented individual who is eager to coach and mentor team members, helping them grow both professionally and personally.Their development team uses various different 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 … 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 ...

Principal Software Engineer

Location
Greater London, England, United Kingdom
Azure, or similar Infrastructure-as-code (Terraform, CloudFormation, etc.) Containerised deployments using Docker, ECS, Kubernetes, or equivalent Nice to Have Exposure to Scala or functional programming concepts Experience with asynchronous and highly concurrent backend frameworks (e.g. Ktor, http4k, Play, RxJava) NoSQL experience (DynamoDB, Cassandra, BigTable, Cosmos DB, etc. ...

Senior Lead Software Engineer - Front Office - Python/Typescript

Location
Greater London, England, United Kingdom
trends and emerging technologies Communicate effectively with technical and non-technical stakeholders Required Qualifications, Capabilities, and Skills Strong technical background in object-oriented or functional programming (Python, Java, C++, or C#) Willingness to become proficient and develop in Python Proven track record of delivering high-quality, well-tested ...

Senior Lead Software Engineer - Front Office - Python/Typescript

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 100 K
with industry trends and emerging technologiesCommunicate effectively with technical and non-technical stakeholdersRequired Qualifications, Capabilities, and Skills:Strong technical background in object-oriented or functional programming (Python, Java, C++, or C#)Willingness to become proficient and develop in PythonProven track record of delivering high-quality, well-tested solutions ...

Java Developer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
Your Skills and Experience Strong engineering background delivering complex software in fast-paced environments, with a solid grounding in Object-Oriented and/or Functional programming, and proven use of XP/agile practices including TDD, acceptance testing, pair programming, and continuous integration. Proficiency in Java ...

DevOps Engineer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
proprietary data, superior technology, and aggressive execution to achieve their trading objectives.We are seeking a creative and driven technologist with strong technical and programming skills, proven problem solving ability and excellent communication skills. As an infrastructure developer at you will work closely with other technologists, researchers and portfolio managers … portfolio management teamsPython Developers MUST have:A bachelor’s degree in a technical or quantitative field3-5 years of experience in software developmentSolid programming skills in Python, C++, Python or GolangFamiliarity with existing open-source software packages and the DevOps toolchainExperience with Continuous Integration and Continuous DeploymentA great support ...

Senior Software Engineer - Agentic Workflows

Hiring Organisation
Causaly
Location
London, United Kingdom
Salary
£ 80 K
where tenant isolation is a design constraint. Infrastructure as code (Terraform, Kubernetes). Search and retrieval at scale (Elasticsearch, vector search, knowledge graphs). Functional programming, either in TypeScript (fp-ts) or in a functional language.Not Required for This RoleMachine learning research. This is a systems role ...

Senior Software Engineer - AI Products (SVP)

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
evaluating Generative AI applications, including experiment design, model evaluation and performance measurement; exposure to MLflow is advantageous.Strong understanding of software architecture, technical design and functional programming principles.Experience working with databases such as PostgreSQL or Oracle, with exposure to Kubernetes/OpenShift advantageous.Practical experience with CI/ ...

Senior Software Engineer - AI Products (SVP)

Location
Greater London, England, United Kingdom
Generative AI applications, including experiment design, model evaluation and performance measurement; exposure to MLflow is advantageous. Strong understanding of software architecture, technical design and functional programming principles. Experience working with databases such as PostgreSQL or Oracle, with exposure to Kubernetes/OpenShift advantageous. Practical experience with CI/ ...

Lead Scala/Java Software Engineer - CDAO Data Platforms

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 100 K
conducting critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives. Your 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.Executes creative software solutions, design, development, and technical troubleshooting with ability ...

Senior Software Engineer – Data

Location
Greater London, England, United Kingdom
data engineering across Elliptic. Leverage and deploy AI and agentic systems to operate more effectively. Tech environment Scala | Spark | Databricks | AWS | Airflow | Kubernetes | Terraform | Functional Programming You will thrive here if you Enjoy end‐to‐end ownership, from writing the code to architecture design to coaching others through … Enjoy working with AI to benefit the company, your team and yourself. What we are looking for Hands‐on production experience with Scala and functional programming. Ability to design, build, and maintain distributed data systems in a cloud‐based environment. Hands‐on experience with big data frameworks such ...

Senior Engineer/Engineering Lead - Senior Vice President

Location
Greater London, England, United Kingdom
anomaly detection, or workflow automation. Experience evaluating the performance of Generative AI applications – exposure to Mlflow, experiment design, evaluation methodologies. Strong background in functional programming, technical design, and architecture. Proficiency in Python— with hands-on experience. Exposure to Postgres/Oracle and Kubernetes (Openshift) is valuable. Practical experience ...

Senior Python Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 per day
knowledge. Stay current with developments in AI, cloud engineering, and language assessment. Key Skills & Experience: Strong commercial Python development experience, including object-oriented and functional programming. Strong experience with FastAPI, Pydantic, SQLAlchemy, Alembic, Pytest, and type checking. Experience with Pandas, NumPy, Jupyter, OpenTelemetry, Git/GitHub, GitHub Actions ...

Senior Software Engineer, Quant trading

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
trading operations.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 reliability … C++ , Rust, Java and PythonDemonstrated 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 desirableExcellent oral and written communication skills.Bachelor’s degree in Computer Science or equivalent.Join my client ...