151 to 175 of 355 Java Jobs in London

2027 ICT Technology Software Engineering Graduate – Reigate/Cambridge

Hiring Organisation
WTW
Location
London, England, United Kingdom
Maths and an A in two further subjects at A Level or equivalent Knowledgeable in a software development language, such as C#, C++, Java or Python, and web technologies such as HTML/CSS or JavaScript A natural problem solver with a mathematical and analytical mind Familiar with the basic ...

2027 ICT Technology Software Engineering Intern – Reigate

Hiring Organisation
WTW
Location
London, England, United Kingdom
Maths and an A in two further subjects at A Level or equivalent Aware of a software development language, such as C#, C++, Java or Python, and web technologies such as HTML/CSS or JavaScript Familiar with the basic principles of software development Genuinely interested in current and emerging ...

Senior Software Engineer II- Regional Expansion

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
payments systems, money movement, financial integrationsExperience in the FinTech or payments industryExperience leveraging LLMs (e.g. claude code) to enhance the software development lifecycle. Java proficiencyAdditional InformationInterested? Find out more: How we work – a practical guideDEI @ WiseWise Tech Stack (2025 update)See what it's like to work at Wise London ...

Senior Software Engineer II- Regional Expansion

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
111000 to 145000 GBP Annually
systems, money movement, financial integrations Experience in the FinTech or payments industry Experience leveraging LLMs (e.g. claude code) to enhance the software development lifecycle. Java proficiency Additional Information Interested? Find out more: How we work – a practical guide DEI @ Wise Wise Tech Stack (2025 update) See what it's like ...

Lead Data Engineer

Hiring Organisation
Hackajob Ltd
Location
London, England, United Kingdom
system components Experience of applying standards for design (patterns), development, (style guides) and operational readiness (automation, deployment) Proficient software development experience in one of Java, Scala, or Python Strong commercial experience of working with Palantir Software development experience with data-processing platforms from vendors such as AWS, Azure, GCP, Databricks. ...

Principal Platform & AI Engineering

Hiring Organisation
Vodafone
Location
London, UK
Employment Type
Full-time
observability, service networking, and platform security. A capable software engineer with proficiency in at least one modern programming language such as Python, Go, or Java, and experience building platform APIs and developer tooling. An advocate for AI-native engineering practices, including AI-assisted development, automation, and intelligent operations. Familiar with ...

Principal Business Consultant (Axioma Technology Solutions)

Hiring Organisation
SimCorp
Location
London, UK
Employment Type
Full-time
Physics, Finance, Computer Science, Engineering, Econometrics, or related discipline 5+ years of experience delivering SaaS solutionsSolid technical foundation with practical programming experience in Python, Java, or C#Demonstrated skill in designing and integrating solutions with REST APIs and web servicesAbility to solve complex problems on their own and articulate technical concepts ...

AI & Data Architect

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
emphasis on serverless microservices Cloud infrastructure (networking, security, monitoring, scaling) Experience being a hands-on data architect (only when needed) with programme languages like Java, Scala, Python, or architecture-as-code such as linkml, turtle, owl Experience with both open source and vendor data platforms Experience with data architecture, architectural ...

Senior Technical Business Analyst - FINTECH / LONDON

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
collaborative team player who believes the best solutions come from diverse perspectives. YOU HAVE: A background as a software engineer (ideally a senior Java developer) who has moved, or wants to move, into a technical business analysis role. A strong technical and domain-driven mindset, with the ability to work ...

Lead AI Solutions Deployment Engineer

Hiring Organisation
DocuSign
Location
London, UK
Employment Type
Full-time
simple API calls, including multi-step workflows, orchestration, and failure handlingExperience working directly with customers during POCs, architecture reviews, and technical evaluationExperience with Python, Java, C++ or systems fundamentalsPreferredStrong communication and customer engagement skills for conducting customer discovery and conveying and synthesizing technical concepts to/from diverse stakeholders, including ...

AI & Data Architect

Location
London, United Kingdom
emphasis on serverless microservices Cloud infrastructure (networking, security, monitoring, scaling) Experience being a hands-on data architect (only when needed) with programme languages like Java, Scala, Python, or architecture-as-code such as linkml, turtle, owl Experience with both open source and vendor data platforms Experience with data architecture, architectural ...

AI & Data Architect

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
emphasis on serverless microservices Cloud infrastructure (networking, security, monitoring, scaling) Experience being a hands-on data architect (only when needed) with programme languages like Java, Scala, Python, or architecture-as-code such as linkml, turtle, owl Experience with both open source and vendor data platforms Experience with data architecture, architectural ...

Data & AI Consultants - Dynamic AI Consulting Firm

Hiring Organisation
Staffworx Limited
Location
London, UK
Employment Type
Full-time
systems or optimisationExperience managing cloud costs and IAM so value is not lost to wasteAbility to work in other languages where needed. For example Java, Scala, Go or bashExperience with BI tools such as Looker or TableauPrior consulting experience or leading client projects end to endContributions to open source, conference ...

Software Engineering Team Lead Core (API & UI), RTGS Technology

Hiring Organisation
Bank of England
Location
London, England, United Kingdom
thorough post-incident learningMinimum Criteria A strong software engineering background, with experience building, operating and evolving production systems of meaningful complexity.Working knowledge of Java, React/Redux and API-based architectures, sufficient to engage meaningfully in technical discussions, review engineering approaches and provide direction across the team.Experience working within delivery ...

Senior Java Developer

Hiring Organisation
Luxoft
Location
London, UK
Employment Type
Full-time
integrating with external trading venues and supporting real-time trade processing under strict SLA constraints. Team OverviewWe are building a dedicated squad in Bucharest (Java Developers + QA Automation Engineers) working closely with global teams. The team operates in 2-week sprint cycles, following Agile ceremonies (stand-ups, retrospectives, backlog … deployment, and post-go-live support. Responsibilities Responsibilities Design and deliver the FX Swaps clearing product within Global Clearing Solution Low-latency, high-throughput Java/Spring Boot microservices Ensure system compliance with performance, resilience, and security standards Integrate with external FX trading venues (e.g., FX Matching) Implement and optimize ...

Fixed Income E-Trading Senior Java Developer - Vice President

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
Gain knowledge and exposure to Front Office Trading Systems, Fixed Income, and Derivatives flows. Qualifications: RequiredExtensive programming experience with an Object-oriented language (preferably Java), Multi-Threading and any relational databaseSolid architectural understanding of enterprise applicationsUnderstanding of computing science fundamentals – concurrency, algorithms, data structures, design patterns, etc. PreferredExperience with Java ...

Senior Software Engineer I - Backend (Java)

Hiring Organisation
Rightmove
Location
London, UK
Employment Type
Full-time
more about our tools, tech and people, head to our tech blog. What you'll be doingDesigning and building new features and enhancements using Java 21+, Spring Boot, Elasticsearch, Kafka, Gradle, Hibernate, Couchbase, SQL, and Docker. Collaborating with cross-functional teams and stakeholders to shape solutions and align on priorities. … supporting junior engineers, helping to build a culture of growth, ownership, and continuous improvement. We're looking for someone whoBrings strong commercial experience with Java 21+, Spring Boot, and Kafka. Has successfully led complex projects, including coordinating work across multiple engineers. Is highly collaborative, organised, and solution-focused in their ...

Senior Full-Stack Software Engineer - Account Integrity - Java, React

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
growth by raising automation levels, and helping us engineer a world-class money transfer product. What do you need? Engineering Expertise: Professional experience with Java or other JVM-based languages, including the Spring framework. Experience building and designing scalable web applications that handle large amounts of traffic - ideally using React ...

Data Architect

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Experience of designing for both structured and unstructured data An understanding of non-functional drivers for design Experience with data modelling Strong background in Java and REST Services - ability to design solutions as well as review code This role will require you to be willing and eligible to undergo ...

Senior AI Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£432.00 - £484.00 per day
Skills 2-5 years' hands-on software/ML engineering experience delivering production AI solutions (no PhD required). Strong programming skills in Python (Java experience also accepted). Hands-on experience building GenAI applications, LLM workflows, and data pipelines. Cloud experience across AWS or Azure ecosystems along with data ...

AWS DevSecOps Engineer, React, AWS

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£650 - £680 per day
OWASP API Security Top 10 . Experience securing AWS environments, including IAM, networking and hybrid integrations. Ability to review code across Java, Kotlin, TypeScript, .NET or Python. Experience embedding security testing into CI/CD pipelines. Strong understanding of React applications and front-end security , including token handling, BFF patterns ...

Data Engineer

Hiring Organisation
Ncounter
Location
London, UK
Employment Type
Full-time
experience: Active SC clearance and experience operating within secure or regulated environments Strong coding background with at least one of the following: Python, Java, C# or JavaScript, alongside general software engineering principles Experience building data pipelines, including ingestion, transformation, and orchestration of large datasets Familiarity with handling structured and unstructured ...

Mid Backend Engineer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £580/day
Responsibility Segregation. Event Sourcing: Understanding and practical experience of event-sourced architectures. Backend Development: Commercial experience with at least one of the following: .NET, Java or Python. Azure Service Bus: Experience implementing messaging and asynchronous communication between services. API Development: Experience designing, developing and integrating backend APIs. Distributed Systems: Understanding ...

Senior AI/ML Computational Scientist

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
.Experience working with language models like LLM's APIs and optimizing their usage for specific applications. Experience with the following programming languages: Python, C++, Java, R, SQL Strong written & verbal communication skills and ability to communicate complex technical concepts to non-technical stakeholders Strong client-facing skillsets in a consulting ...

Senior Full-Stack Software Engineer I, Endpoint - ThousandEyes

Hiring Organisation
CISCO Systems
Location
London, England, United Kingdom
working across the application and learning how the product processes and presents complex endpoint data.Minimum QualificationsProfessional production-level experience with JavaScript/TypeScript and Java/Kotlin.Professional experience with Vue + Vuex/Pinia OR React + Redux (or other state management libraries).Experience designing state-driven frontends with ...