1 to 25 of 394 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 ...

Software Engineer - Java, Realtime Payments, Implementation

Location
Greater London, England, United Kingdom
Java Software Engineer – Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Reactive Programming, MongoDB Payments A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global … implement and customise their core realtime payments processing solution,using a primary tech stack of Java 17 (soon to be 21/25), Spring Boot, Kafka and MongoDB. You will contribute from both a design and coding perspective, taking ownership of delivering custom components and features per client requests ...

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 Software Engineer (Kotlin, Spring Boot)

Location
Greater London, England, United Kingdom
Senior Software Engineer (Kotlin, Spring Boot) Edinburgh, Leeds, Manchester or London Working at CreateFuture CreateFuture is anAI-native consulting partnerwhere people do work that matters and are supported to do it well. We work alongside organisations such as PayPal, adidas, NatWest, FanDuel and Money Saving Expert, building digital products … What You'll Do As a Senior Backend Engineer, you will: Design, build and maintain scalable, secure and resilient backend systems using Kotlin and Spring Boot Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned with best practices. Develop and evolve RESTful APIs with ...

Core Java Developer Big Data Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
architecture. Candidates Must Have:4 years commercial experienceServer side multi-threaded core JavaJMS and asynchronous MOM architecturesSerious exposure to Core Java (not siloed amateurs)Spring initiatives such as Core Spring, Spring Integration and Spring BatchJUnit and TestNGIdeally RedisIdeally HadoopSQL and OracleExperience leading small development teams. Experience ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Tech Lead or Senior Java Developer in agile environments* Strong understanding of Agile framework & principles* Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development* Experience with cloud platforms (AWS preferred), containerization (e.g. Docker, Kubernetes) and microservices architecture* Familiarity with CI/CD tools such ...

Senior Software Engineer

Location
City of Westminster, England, United Kingdom
Tech Lead or Senior Java Developer in agile environments Strong understanding of Agile framework & principles Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development Experience with cloud platforms (AWS preferred), containerization (e.g. Docker, Kubernetes) and microservices architecture Familiarity with CI/CD tools such ...

Lead Java Full Stack Developer

Location
Greater London, England, United Kingdom
might be for you if you have: 8+ years of experience in Java development focused on high-performance applications, with strong expertise in Spring, Spring Boot and Hibernate. Experience with RESTful API development and front-end technologies such as Angular and React, with solid Angular experience. Knowledge ...

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 ...

Java Engineer – AI-Driven Backend & Cloud Services

Location
Greater London, England, United Kingdom
standards Work with cloud platforms to deploy AI-powered services Contribute to architecture decisions and technical roadmaps Required 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 ...

Java Developer (SC Eligible/ Cleared)

Location
Greater London, England, United Kingdom
contributes to broader team and organisational objectives. Key Responsibilities Design, develop, test, and maintain backend services and REST/GraphQL APIs using Java/Spring Boot (or equivalent modern backend stack). Contribute to system architecture and data model design in collaboration with senior/lead engineers. Write clean ...

Senior Fullstack Developer — Java or Kotlin, React and TypeScript

Location
Greater London, England, United Kingdom
assisted development or productivity tools in a software engineering context.* Event-driven architecture and messaging or streaming technologies.* Experience with frameworks such as Spring Boot, Quarkus, Micronaut or Ktor.* GraphQL or comparable API technologies.* Cloud platforms such as AWS, Azure or GCP.* Containerisation and orchestration using Docker and Kubernetes. ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
team Collaborate with your peers on technical direction within your team Requirements/Knowledge Experience working in an Agile delivery team Java development with Spring Boot Front‐end development using modern JavaScript frameworks (e.g., React, Vue) Building enterprise‐grade web applications or backend services Cloud & DevOps Experience with cloud ...

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 ...

Software Engineer – Security & Intelligence

Location
Greater London, England, United Kingdom
include: Developing software services using languages such as Java, JavaScript, TypeScript, Python or C++ Building full‐stack applications using frameworks such as React, Node.js, Spring Boot, Next.js or similar Designing and developing APIs, microservices and backend services for secure mission systems Integrating applications with cloud, data, analytics and streaming ...

Apps Dev Senior Engineer

Location
Greater London, England, United Kingdom
deployment, production monitoring, and support. Required Skills & Qualifications Technical Competencies Core Programming: Advanced proficiency in at least one primary backend language: Java (Modern Java, Spring Boot, concurrency, low-latency tuning, GC optimization), OR Python (Modern Python, asynchronous programming, NumPy/Pandas, FastAPI), OR .NET/C# (Modern .NET Core ...

Senior Java Engineer

Location
Greater London, England, United Kingdom
Have Skills Experience leading or mentoring a team of engineers. Experience within financial services or with financial market data. Familiarity with in‐memory caching, Spring Boot, Redis, Kafka. Experience with BDD frameworks such as Cucumber, JBehave, or Karate. Background as a Scrum Master or experience running Agile teams. What ...

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 ...

Camunda Architect / Lead Architect (Camunda 8 Preferred)

Location
Greater London, England, United Kingdom
Strong software architecture and system design experience Strong background in: microservices architecture event-driven systems distributed systems Strong backend engineering experience using Java/Spring Boot or equivalent Experience working with: REST APIs Kafka/RabbitMQ/messaging systems Docker Kubernetes cloud-native deployments Strong understanding of security, scalability ...

Senior Lead Full-Stack Software Engineer

Location
Greater London, England, United Kingdom
asynchronous request handling, including REST and GraphQL. Experience with relational (SQL) and NoSQL databases, including data modelling and optimization. Experience in Java and Spring Boot for backend development and system architecture. Solid understanding of agile methodologies and DevOps best practices, such as CI/CD, application resiliency, security ...

Java Consultant

Location
Greater London, England, United Kingdom
facing environment. Key Responsibilities Design, develop, and maintain enterprise Java applications. Build scalable backend systems, microservices, and REST APIs. Work with modern Java versions, Spring Boot, Spring Framework, and Hibernate. Support cloud-native development across AWS, Azure, GCP, Docker, and Kubernetes environments. Apply strong engineering practices including … Experience for this Role Strong commercial experience as a Java Developer, Java Engineer, Software Engineer, or Java Consultant. Hands-on experience with Java, Spring Boot, Spring Framework, Microservices, REST APIs, and Hibernate. Experience with Maven, Gradle, JUnit, Mockito, and TDD. Good knowledge of CI/CD, Docker, Kubernetes ...

Principal Software Engineer

Location
Greater London, England, United Kingdom
planning. What We’re Looking For Experience as a Software Engineer with strong capability in one or more of the following: Backend development (Java Spring Boot, Maven, Python) Frontend development (JavaScript/TypeScript, React, npm) Proven experience designing, developing, and deploying scalable backend systems. Familiarity with DevOps, CI/ ...

Java / React - Lead Software Engineer- Vice President

Location
Greater London, England, United Kingdom
advanced experience. Hands-on practical experience delivering system design, application development, testing, and operational stability Advanced in one or more programming language(s): Java, Spring Boot, JPA, SQL, REST, Python Strong understanding of Agile methodology and leveraging SDLC tools (JIRA, Jenkins, GIT, JUnit) to achieve CI/CD, Application ...

Senior Developer

Location
Greater London, England, United Kingdom
senior developer roles. Experience working on high-transaction, large-scale systems in telecoms, billing, or similar enterprise domains preferred. Strong expertise in Java, Spring Boot, and J2EE. Hands-on experience with RESTful APIs, Microservices, and Containerisation (Kubernetes/OpenShift). Solid understanding of RDBMS, SQL, and PL/SQL. ...

Lead AI Software Engineer

Hiring Organisation
Vodafone
Location
London, UK
Employment Type
Full-time
hands-on delivery of production-grade software. Significant experience delivering production-grade software within complex engineering environments. Strong hands-on expertise in Java and Spring Boot, with experience in React or Angular. Proven experience designing and implementing RESTful APIs, microservices, integrations, platform services, and digital applications. Strong understanding ...