1 to 25 of 343 Permanent Spring Jobs in London

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 ...

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 ...

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 ...

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 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

Hiring Organisation
Raytheon
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
technical direction within your team Requirements/knowledge (you don't need everything) 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 platforms ...

Java Engineer with AI

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 ...

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 ...

Senior Software Developer- Java/DevOps skills required

Location
Greater London, England, United Kingdom
Ability to code within projects Experience in Databases, including MongoDB, SQL or Document Database Full-stack or backend engineering background with experience in Java (Spring) and AWS Experience working in a DevOps role, and happy to operate in a DevOps-focused position Hands‐on experience with CI/ ...

Lead Software Developer

Location
Greater London, England, United Kingdom
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. Proven experience working with AWS services including: Lambda SQS S3 RDS DynamoDB CloudWatch Experience with Infrastructure as Code using Terraform . Strong ...

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 ...

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 ...

Lead Developer

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. Experience running Agile teams. What We’re Looking For A proactive ...

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 ...

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 ...

Senior Fullstack Engineer (Java/React/Python)

Location
Greater London, England, United Kingdom
makes a real business impact. What You'll Do Design, build and maintain scalable, secure and resilient backend systems using modern Java and the Spring ecosystem, alongside rich, responsive frontends built with React. Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned with best practices … have strong commercial experience with: Modern Java (Java 8+) including Streams, Lambdas and Optional React, including modern hooks-based development and state management Spring Boot and the wider Spring ecosystem Spring Data JPA/Hibernate Spring Security including OAuth2 and JWT REST API design and implementation ...

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 ...

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/ ...

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

Location
Greater London, England, United Kingdom
automation, and engineering productivity. Who you are 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 ...

Senior Software Engineer - QuantumBlack, AI by McKinsey

Location
Greater London, England, United Kingdom
team members and stakeholders Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL) Experience with LLM frameworks, prompt orchestration, agent frameworks, MCPs, evaluation frameworks, and cloud platforms ...

Staff Software Engineer - International Pricing

Location
Greater London, England, United Kingdom
cloud-native technologies and distributed systems at scale. Tech Stack The team uses a variety of technologies, including: Languages & Frameworks: PL/SQL, Java (Spring Boot), Python, AI/ML technologies. Cloud & Infrastructure: Azure IaaS and PaaS services, Docker, Kubernetes, Helm and Terraform. Data & Messaging: Kafka/Confluent ...