1 to 25 of 81 Permanent Spring Jobs in London

Senior Java Full Stack Developer

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
technical leadership and impact.Key Responsibilities & Technical Leadership:Architectural Stewardship & Hands-On EngineeringArchitect, design, and deliver high-performance, resilient Java (21/25) and Spring Boot microservices powering core enterprise data ingestion, deduplication, and reconciliation engines.Lead the design and implementation of relational data models, audit trails, and transactional staging pipelines … Qualifications:Required Technical Skills:7+ years of hands-on software engineering experience with deep expertise in Modern Java (Java 21/25) and the Spring Ecosystem (Spring Boot, Spring Data, Spring Security).Data Engineering & Architecture: Strong experience with relational databases (Oracle, PostgreSQL), complex SQL, schema design ...

Lead Full Stack Kotlin Developer

Hiring Organisation
Hippo Digital
Location
London, England, United Kingdom
.Proven track record of leading a delivery team to deliver high-quality, robust, and scalable solutions.Expertise in building back-end services using Kotlin with Spring Boot and the wider Spring Framework (Spring MVC, Spring Security, REST APIs), leveraging Kotlin idioms and coroutines where applicable.Experience in Microservices ...

Senior Java Fullstack Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
development, helping improve scalability, performance and maintainability while contributing to technical design discussions. Essential Skills & Experience Strong commercial experience with Java and Spring Boot. Experience developing Microservices and RESTful APIs. Commercial frontend development experience with Angular, React or Vue Good understanding of relational databases and the ability to write ...

Senior Java / Angular Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
development, helping improve scalability, performance and maintainability while contributing to technical design discussions. Essential Skills & Experience Strong commercial experience with Java and Spring Boot. Experience developing Microservices and RESTful APIs. Commercial frontend development experience with Angular, React or Vue Good understanding of relational databases and the ability to write ...

Java Engineer with AI

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
quality standards Work with cloud platforms to deploy AI-powered services Contribute to architecture decisions and technical roadmapsRequired Qualifications Strong experience with Java 12+, Spring Boot, and microservices architecture Experience integrating AI/ML solutions into backend systems Understanding of REST APIs, distributed systems, and database design Familiarity with ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
Professional knowledge and experience Essential : Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Hands on experience with Java , Spring Boot , Python and Microservices, although a true polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency ...

Java Full Stack Developer

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
managing millions of market data service records, contracts, and vendor hierarchies.This role is backend-first, centered on designing high-throughput ingestion pipelines, resilient Spring Boot microservices, clean RESTful APIs, and domain data models. Experience or interest in Full Stack development with React/TypeScript is a strong plus, enabling … achieve high engineering velocity.Key Responsibilities:Backend Microservices: Design, build, and maintain production-grade REST APIs and microservices using Java 21/25 and Spring Boot.Data Ingestion & Processing: Build resilient ETL and reconciliation services that ingest, validate, and deduplicate complex monthly datasets from multiple upstream sources into a unified data ...

Sr. Full Stack Developer (Java, React & Python)

Hiring Organisation
Broadridge
Location
London, UK
Employment Type
Full-time
required. Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essentialExperience with Agentic AI development & Java Spring Framework would be advantageousUnderstanding of full stack development and architecture patterns. Experience with RESTful API development and integration. Proven track record in developing base frameworks ...

Senior Java Developer

Hiring Organisation
Intelligent Steps
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £95000/annum 10% Bonus
shorten release cycles, improve resilience and support growing transaction volumes without disrupting existing users. The proposed stack centres on Java 21 and Spring Boot, with REST APIs for synchronous integration and Apache Kafka for asynchronous events. Each service will own its data, using PostgreSQL where appropriate, with Redis … Extensive commercial Java experience, typically around 10 years or equivalent depth, including recent work with Java 17 or 21, concurrency, collections and JVM performance. Spring : Strong experience with Spring Boot, dependency injection, Spring Data JPA, Hibernate and Spring Security. Microservices : A track record of delivering ...

Senior Java Full Stack Engineer

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
understand requirements, shape solutions and ensure successful delivery across complex digital transformation programmes. Your Role Design, develop and maintain scalable microservices using Java and Spring Boot. Build responsive web applications using React, JavaScript/TypeScript, HTML and CSS. Provide technical leadership and guidance to development teams, supporting engineers … software solutions. Contribute to CI/CD pipelines, DevOps practices and secure digital platforms. Skills & Experience Strong experience building RESTful microservices using Java and Spring Boot. Frontend development experience with React, JavaScript/TypeScript, HTML and CSS. Proven experience leading or mentoring development teams. Strong stakeholder management and client ...

Lead Application Architect

Hiring Organisation
BESTWAY WHOLESALE LIMITED
Location
North West London, London, United Kingdom
Employment Type
Permanent
testing (unit, integration, contract) into the standard delivery pipeline. The Ideal Candidate Significant experience in software engineering, with substantial production experience in Java and Spring Boot and in microservices architecture. Proven experience designing applications at component and code level, and documenting them (C4 model, LLD, ADRs). Experience building ...

Full Stack Java Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Pipelines and SOLID/DRY principals Hands-on developing/coding role using the following technologies: Frontend - TypeScript, Node, Express JS Backend - Kotlin, Spring Boot, Hibernate Experience in estimation and sizing Integration experience API Design experience Cloud experience Appetite to work with emerging AI technologies SC Eligible Additional Information ...

Java Engineer

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
specific languages you should have commercial experience in some or all of the following; Strong proficiency in Java (Java 12+ preferred).Experience with Spring Boot, Spring Framework, and microservices architecture. Strong understanding of REST APIs, distributed systems, and event-driven architectures. Experience with relational databases such as PostgreSQL ...

Lead Application Architect - WEMBLEY

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum + perm benefits
improving development practices. We're looking for candidates with: Significant experience designing and delivering enterprise applications Strong hands-on expertise in Java and Spring Boot development Proven experience designing microservices-based architectures Experience creating component-level designs, Low-Level Designs (LLDs), and Architecture Decision Records (ADRs) Strong understanding ...

Fixed Income E-Trading Senior Java Developer - Vice President

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
relational databaseSolid architectural understanding of enterprise applicationsUnderstanding of computing science fundamentals – concurrency, algorithms, data structures, design patterns, etc. PreferredExperience with Java Core, Spring framework and LinuxExperience developing large financial software trading systems with substantial hands-on development experience in building systems with an attention to optimizing and tuning performance ...

Technical Architect

Hiring Organisation
McGregor Boyall
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£750.00 - £850.00 per day
knowledge of one or more domains including: Securities Settlements Corporate Actions Transaction Management Tax Operations Cash & FX Processing Strong software engineering background in Java, Spring Boot, Oracle and SQL databases. Proven experience with: Microservices architecture Event-driven systems (Kafka, MQ, Solace) API design and integration AWS and/ ...

Senior Java Developer - Rates Intraday Risk Technology

Hiring Organisation
Nomura
Location
London, UK
Employment Type
Full-time
rollout. Skills, experience, qualifications and knowledge required: Mandatory: Bachelor's degree in computer science or equivalentExperienced Java developer with good knowledge of Java frameworks (Spring) and an understanding of the stages of the software development lifecycle, version control, unit testing and build tools (JUnit, Maven, Jenkins, Git).Experience developing ...

Senior Software Engineer – Margin Technology - Assistant Vice President

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
engineering Proficiency in programming in mainly Java, React and/or Python Strong hands-on experience of building RESTful APIs using popular frameworks like Spring Experience of following TDD and clean code principles Proficiency with data structures, algorithms and SQL Able to independently work in fast paced and rapidly ...

Software Engineer

Hiring Organisation
Barclays
Location
London, England, United Kingdom
strong understanding of object-oriented programming principles, design patterns, and software engineering best practices.Spring Boot - Hands-on experience building and maintaining microservices using Spring Boot, including RESTful API development, dependency injection, security implementation, and integration with cloud-native and distributed systems.Kafka - Strong knowledge of event-driven architecture and real ...

Senior Java Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
work experience with relational databases (e.g., Oracle, MySQL, PostgreSQL), ability to write complex joins, performance troubleshooting experience etc. Technical Skills:Proficiency in Java, Spring Framework, Hibernate, and RESTful APIs. Problem-Solving:Excellent analytical and problem-solving skills. Communication:Strong verbal and written communication skills. Team Player:Ability to work ...

Senior Java Developer

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
work experience with relational databases (e.g., Oracle, MySQL, PostgreSQL), ability to write complex joins, performance troubleshooting experience etc. Technical Skills: Proficiency in Java, Spring Framework, Hibernate, and RESTful APIs. Problem-Solving: Excellent analytical and problem-solving skills. Communication: Strong verbal and written communication skills. Team Player: Ability to work ...

Senior Delivery Consultant, AWS Professional Services

Hiring Organisation
AmazonWebServices
Location
London, UK
Employment Type
Full-time
trusted advisor to customers on industry trends and emerging technologies Helping customers modernize legacy applications using proven patterns (e.g., .NETFramework .NET Core, Java EE Spring Boot, etc) Decomposing monoliths into microservices and serverless architectures (Lambda,ECS/EKS, Fargate, Step Functions, EventBridge) Database modernization using RDS, Aurora ...

Senior Java Developer (with LLM expertise)

Hiring Organisation
Miratech Group
Location
London, England, United Kingdom
LLMs, agentic workflows, and intelligent automation into business processes. Day-to-day, you will implement solutions designed by the architecture team in Java and Spring Boot, build LLM-powered and agentic features, and shape how the wider developer group adopts AI-assisted engineering.Working Model: This is a hybrid role … requiring 2 days per week in a downtown Toronto office.Responsibilities:Lead the design and delivery of Java/Spring Boot microservices, establishing API-first design principles, service-to-service communication and secure integration patterns.Implement solutions designed by architects, turning target designs into production-ready, well-tested services.Identify, prototype ...

Senior Full Stack Java Engineer

Hiring Organisation
Luxoft
Location
London, UK
Employment Type
Full-time
optimize application and integration performance. Skills Must have Core Engineering 8+ years of software engineering experience, ideally within Financial Services. Strong expertise in Java, Spring Boot, REST APIs, and distributed systems. Experience with Kafka, IBM MQ, or similar messaging technologies. Strong integration experience with Loan IQ, lending, banking … building AI Agents and Agentic Software Engineering solutions to automate and enhance SDLC processes. Hands-on experience with Java-based AI frameworks such as Spring AI, LangChain4j, Semantic Kernel, MCP (Model Context Protocol), or similar technologies. Experience implementing RAG, prompt engineering, tool calling, workflow orchestration, and agent-based architectures. ...

Fixed Income eTrading Java Developer (AVP)

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
concurrency, algorithms, data structures, design patterns, etc.Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirementsPreferredExperience with Java Core, Spring framework and LinuxExperience with ION Multi-Market Interface (MMI) and/or SystemAdministratorKnowledge of major Fixed Income Financial Products (e.g. corporate bonds, ETFs, Interest ...