mission-critical systems at a global scale. Our team is at the forefront of innovative AI-powered applications, large-scale infrastructure, and modern backend development using Java, Python, Golang, Spring Boot, Flask, and Kubernetes. We focus on integrating RAG-powered LLMs, implementing advanced vector search (FAISS, Milvus, Pinecone), and building scalable and high-performance AI-driven solutions. You Might … software engineering expertise in Java or Python Thrive in a results-driven, flexible environment Have experience with backend development for AI-powered systems Enjoy building high-performance APIs using Spring Boot, Flask Want to develop AI-powered applications leveraging RAG frameworks, Vector and Similarity search Have experience with Maven or Gradle for Java project dependency management Understand security best … practices (Spring Security, SSO, authentication protocols) Are comfortable working with Kubernetes, Docker, and cloud-native architectures What You’ll Do as Part of the Tech Strategy Team: Develop AI-driven applications using Java, Python, and modern backend frameworks Integrate LLMs into enterprise-scale systems using internal frameworks and libraries Design and implement vector search solutions using FAISS, Milvus, and More ❯
london, south east england, united kingdom Hybrid / WFH Options
Citi
mission-critical systems at a global scale. Our team is at the forefront of innovative AI-powered applications, large-scale infrastructure, and modern backend development using Java, Python, Golang, Spring Boot, Flask, and Kubernetes. We focus on integrating RAG-powered LLMs, implementing advanced vector search (FAISS, Milvus, Pinecone), and building scalable and high-performance AI-driven solutions. You Might … software engineering expertise in Java or Python Thrive in a results-driven, flexible environment Have experience with backend development for AI-powered systems Enjoy building high-performance APIs using Spring Boot, Flask Want to develop AI-powered applications leveraging RAG frameworks, Vector and Similarity search Have experience with Maven or Gradle for Java project dependency management Understand security best … practices (Spring Security, SSO, authentication protocols) Are comfortable working with Kubernetes, Docker, and cloud-native architectures What You’ll Do as Part of the Tech Strategy Team: Develop AI-driven applications using Java, Python, and modern backend frameworks Integrate LLMs into enterprise-scale systems using internal frameworks and libraries Design and implement vector search solutions using FAISS, Milvus, and More ❯
integration patterns, messaging systems (e.g., Kafka, EMS), and Stream Processing. Proficiency in programming languages commonly used in API integration (e.g., Java, Golang) and experience with API development frameworks (e.g., Spring Boot). Experience in the banking or financial services industry, particularly in digital banking, is highly desirable. API Integration Architect Perm I am working with a Retail Banking firm … integration patterns, messaging systems (e.g., Kafka, EMS), and Stream Processing. Proficiency in programming languages commonly used in API integration (e.g., Java, Golang) and experience with API development frameworks (e.g., Spring Boot). Experience in the banking or financial services industry, particularly in digital banking, is highly desirable. #J-18808-Ljbffr More ❯
engine such as JUnit or TestNG (preferably JUnit) Ability to work with relational databases through code Experience with Git Experience with either Maven or Gradle Bonus Points Experience with Spring Boot (used for DI and config management) Experience with ORMs (we use Spring Data over JPA/Hibernate) Basic understanding of Kafka Soft Skills Thinks critically and spots More ❯
opportunity to shape this from the ground up is rare. I'm hiring up to 15 Java Engineers, from mid-level to Lead Engineering roles. Tech stack includes Java, Spring Boot, Kotlin, Kafka, AWS, MongoDB and modern data tools.Salary upto £140k + bonus and equity. Three stage interview process but they can turn around in less than 4 days More ❯
in leading product development and architecting solutions. Demonstrated expertise in scaling and managing production systems. Provides comprehensive technical development support, both broad and detailed. Highly proficient in: Python, Java, Spring, JavaScript, Vue, Elasticsearch, PostgreSQL, cloud computing (AWS, Azure), Terraform, ML, GitHub Actions, Jenkins, and Linux. Responsibilities: Own the technical roadmap , aligning it with the product strategy to achieve key More ❯
football analyst team to ensure data utility and accuracy Skills, Knowledge and Expertise Postgres : Familiarity with Postgres and/or other traditional RDBMS. Programming Proficiency : Strong skills in Java (Spring), experience in Python, and working knowledge of R Cloud & Infrastructure : Hands-on experience with Google Cloud Platform (GCP) and Docker containerization API Development : Experience building and integrating with RESTful More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong Full Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time systems You More ❯
Computer Science, Software Engineering, or a related field-or equivalent experience in a relevant role. Solid foundation in object-oriented programming with Java, with some familiarity with frameworks like Spring Boot or Micronaut. A basic understanding of designing simple, service-oriented systems. Exposure to at least one cloud platform (AWS is a plus). Familiarity with infrastructure tools (e.g. More ❯
and maintaining public APIs for commercial purposes. RESTful APIs, API Design, Swagger, OpenAPI, OAuth2. Backend Microservices: Hands-on experience designing, developing, and deploying scalable backend microservices using Java and Spring Boot. Architecture and Design Patterns: Familiarity with common design patterns and architectural principles, including domain-driven design (DDD), event-driven architecture (EDA), and microservices architecture. A strong independent thinker More ❯
5+years of experience with software design and architecture, running large scale distributed systems in production environments. You must have significant commercial experience and a passion for working in: Java Spring Boot Developing and using enterprise APIs Various testing methodologies System design at high scale and commercial experience with: SQL and NoSQL databases Async processing Cloud native applications Working in More ❯
technology. You'll develop an impressive level of technical knowledge, using a range of technologies (Java, C#, C++, SQL, Python, Perl, JavaScript, HTML/CSS and others) and frameworks (Spring, Maven, Camel, WPF, Node, React, and many others). Depending on your role, you'll gain an understanding of different financial products, and build a valuable knowledge of risk More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Execution Management Systems) You have strong design skills and can explain full system workflows and make recommendations for improvements to reduce latency and increase throughput You have experience with Springframework and Java build tools such as Gradle/Maven You're comfortable working in a Linux environment You are collaborative and pragmatic with excellent communication skills What's More ❯
City of London, London, United Kingdom Hybrid / WFH Options
ARM
product roadmap and best practices Technical Skills: Must Have: Salesforce Service Cloud experience Apex development Agile delivery expertise Git, Jira, Confluence AWS experience Strong communication & stakeholder management Java, Python Spring, HTML, CSS, JavaScript SQL/NoSQL, WordPress, TeamCity TDD, User Testing, Technical Documentation Security Requirements: Active SC Clearance required This is an excellent opportunity to work on a nationally More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Advanced Resource Managers Limited
product roadmap and best practices Technical Skills: Must Have: Salesforce Service Cloud experience Apex development Agile delivery expertise Git, Jira, Confluence AWS experience Strong communication & stakeholder management Java, Python Spring, HTML, CSS, JavaScript SQL/NoSQL, WordPress, TeamCity TDD, User Testing, Technical Documentation Security Requirements: Active SC Clearance required This is an excellent opportunity to work on a nationally More ❯
Engineering Team Lead - Java Spring Boot AWS Kubernetes £100,000-120,000 base salary Extensive Benefits and 10% bonus Java21, Spring Boot, Kubernetes, Docker, AWS Central London, hybrid with 2 days a week onsite InsurTech AI-Powered B2B/B2C SaaS Engineering Team Lead - We have been engaged by a leading Insurtech company to find a Technical Team … and people leadership (70%). You will report into the Director of Engineering being part of the technical leadership team for business vertical. The tech stack consists of Java21, Spring Boot, Kubernetes, Docker, Terraform, Helm and various AWS services. Requirements Experience leading an engineering team/squad (minimum of 3 direct reports) Experience mentoring engineers while fostering a culture … for a strong communicator who can explain technical concepts to different audiences and stakeholders. Ability to drive system design decisions, balancing scalability, performance, and maintainability. Engineering Team Lead - Java Spring Boot AWS Kubernetes Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds. More ❯
with proficiency in building and maintaining CI/CD pipelines Understanding of automation and orchestration scripting (Python, Bash, Ruby) Demonstrable experience with React Proficiency in Backend - Java v17+/Spring/Spring Boot Proven experience designing and implementing cloud-based architectures (AWS, Azure or GCP) Ability to implement monitoring solutions (e.g. Prometheus, Grafana) Experience implementing security best practices More ❯
Why Join? Our client is investing significantly in its technology team, creating a modern, product-driven engineering culture. You'll be working with cutting-edge cloud technologies (AWS, Java Spring Boot, Microservices) in an Agile environment, with opportunities to make a real impact. Your Role: Develop & optimise a high-performance copyright platform using Java & AWS technologies Design & implement complex … continuous learning Stay ahead of industry trends and introduce innovative solutions What We're Looking For: 5-7 years of hands-on experience in software engineering Expertise in Java, Spring Boot, AWS, Microservices, and databases (DynamoDB, Postgres, OpenSearch) A proven track record in designing and delivering successful software products Strong communication skills - able to translate technical ideas for non More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
team in the London, City office three days a week with flexibility to work from home the other two. About you: You have strong backend Java development skills including Spring, Spring Boot, microservices You take in pride in producing clean, high quality code You also have an appreciation of UI development with TypeScript/React You are collaborative More ❯
Software Developer with strong Java and Python experience *Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes) *Skilled in building and managing data ingestion and processing pipelines (Kafka/Spring Batch) *Looking to lead a team in an office-based role in London. Reference Number: BBBH 254621 To apply for this role or to be considered for further roles More ❯
Software Developer with strong Java and Python experience*Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes)*Skilled in building and managing data ingestion and processing pipelines (Kafka/Spring Batch)*Looking to lead a team in an office-based role in London. Reference Number: BBBH 254621 To apply for this role or to be considered for further roles More ❯
in and follow best coding practices, code reviews, and open feedback You enjoy writing testable code and believe in Test Driven Development Nice To Have You have experience with Spring Boot You have worked with BFFs (Backend-for-Frontends) Additional Information Interested? Find out more: The Wise Tech Stack, 2025 Edition. Scaling our Infrastructure; how we make it work More ❯
in and follow best coding practices, code reviews, and open feedback You enjoy writing testable code and believe in Test Driven Development Nice To Have You have experience with Spring Boot You have worked with BFFs (Backend-for-Frontends) Additional Information Interested? Find out more: The Wise Tech Stack, 2025 Edition. Scaling our Infrastructure; how we make it work More ❯
