develop RESTful and GraphQL APIs using Java and Scala Build event-driven services and microservices that produce and consume messages via Apache Kafka Implement backend systems using frameworks like SpringBoot, Akka HTTP, or Play Ensure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retries Collaborate with frontend and platform teams to define clear API … Kafka (producer/consumer APIs, Avro/Protobuf, topic design) Experience building and consuming RESTful APIs and optionally GraphQL APIs Knowledge of functional programming and reactive patterns Familiarity with SpringBoot, asynchronous programming, and dependency injection Strong unit and integration testing practices Comfortable with Git, CI/CD pipelines, and API security (OAuth2, JWT) Nice to Have Kafka More ❯
scalability, reliability, and interoperability. Create system diagrams, data flows, and integration strategies. Collaborate cross-functionally to align technical solutions with business needs. Hands On Development Write maintainable Java code (SpringBoot, Microservices) to prototype and support development. Build and optimize APIs and event driven architectures. Conduct code reviews to ensure code quality and adherence to standards. AWS Cloud … Must Have Bachelor's or Master's in Computer Science, Engineering, or related field. 7+ years in software development, with 3+ years in architecture roles. Strong background in Java (SpringBoot, Hibernate) and microservices. Proven AWS expertise (certifications a plus). Experience with Docker, Kubernetes, and serverless architectures. Familiarity with API standards (OpenAPI, REST, GraphQL). Strong knowledge More ❯
minimise risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Position Overview Experienced in backend development using Azure, Java and SpringBoot, with strong proficiency in version control (Git) and containerisation (Docker). Possesses a solid understanding of asynchronous messaging patterns and a working awareness of CI/CD … practices. Backend development with Azure, Java and SpringBoot Version control using Git Containerisation with Docker An understanding of asynchronous messaging patterns Awareness of CI/CD practices Some desirable things: Exposure to Kubernetes (K8s) Experience with Secure File Transfer Protocol (SFTP) Benefits: Join a rapidly expanding start-up where personal growth is a part of our DNA. More ❯
automation are seeking Java Developers who thrive in modern, cloud-native environments and want to make real impact. What you’ll do Design and develop high-performance microservices using SpringBoot Build scalable, cloud-based applications on AWS Collaborate with AI engineers, data scientists, and product teams to deliver intelligent solutions Contribute to system architecture, CI/CD … pipelines, and code reviews Bring fresh ideas to a fast-moving, innovative environment What we’re looking for Strong experience with Java (11+) and SpringBoot Proven track record building and deploying Microservices Solid understanding of AWS services (ECS, Lambda, S3, etc.) Experience with RESTful APIs, Docker, and CI/CD tools Enthusiastic about AI, data-driven development More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
automation are seeking Java Developers who thrive in modern, cloud-native environments and want to make real impact. What you’ll do Design and develop high-performance microservices using SpringBoot Build scalable, cloud-based applications on AWS Collaborate with AI engineers, data scientists, and product teams to deliver intelligent solutions Contribute to system architecture, CI/CD … pipelines, and code reviews Bring fresh ideas to a fast-moving, innovative environment What we’re looking for Strong experience with Java (11+) and SpringBoot Proven track record building and deploying Microservices Solid understanding of AWS services (ECS, Lambda, S3, etc.) Experience with RESTful APIs, Docker, and CI/CD tools Enthusiastic about AI, data-driven development More ❯
services in a modern, cloud-native environment. What you'll be doing: Designing and developing performant, scalable backend systems using Java (up to Java 21). Building microservices with SpringBoot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA … to deliver high-quality solutions. Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation. What we're looking for: Strong experience with Java, SpringBoot, and microservice architecture. Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD More ❯
services in a modern, cloud-native environment. What you'll be doing: Designing and developing performant, scalable backend systems using Java (up to Java 21). Building microservices with SpringBoot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA … to deliver high-quality solutions. Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation. What we're looking for: Strong experience with Java, SpringBoot, and microservice architecture. Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD More ❯
services in a modern, cloud-native environment. What you'll be doing: Designing and developing performant, scalable backend systems using Java (up to Java 21). Building microservices with SpringBoot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA … to deliver high-quality solutions. Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation. What we're looking for: Strong experience with Java, SpringBoot, and microservice architecture. Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD More ❯
be responsible for mentoring junior developers and facilitating knowledge transfer. Together we'll be real team players at Realworks. In this role, you will: Work with Java 17, Tomcat, SpringBoot, Docker, and Kubernetes; Design and implement services; Respond to calamities in production; Create CICD pipelines to facilitate the delivery of best practices; Work in a young and … you have the following experience: You have a Bachelor's degree or level; You know Java like no other (we currently use version 17); Experience with SQL, Tomcat, and SpringBoot; Experience with Docker or Kubernetes. You are also: Have a good knowledge of the English language; Curious and open to learn new technologies. What we offer: Balance More ❯
greater manchester, north west england, united kingdom Hybrid / WFH Options
Autotrader
of requests a day across over 600 systems. We build these systems with industry standard frameworks and tools, such as React and Angular on the front end and Java, SpringBoot, Cloud SQL and Apache Kafka on the back end. All of this runs on our cutting edge cloud delivery platform, facilitating over 60k releases to production a … we're looking for: Strong experience working across the stack, from designing scalable back-end systems to developing responsive front-end applications You should be comfortable working with Java, SpringBoot and the Java ecosystem/JVM Ability to architect and design complex, distributed systems that are scalable, maintainable, and performant Experience with modern front-end technologies (e.g. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Springboot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a role for you. … days annual leave Solid pension And more If you’re interested please apply or send your CV to adam.holmes@opusrs.com to apply. Sponsorship isn’t available. Java 21 | Microservices | Springboot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL More ❯
Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Springboot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a role for you. … days annual leave Solid pension And more If you’re interested please apply or send your CV to adam.holmes@opusrs.com to apply. Sponsorship isn’t available. Java 21 | Microservices | Springboot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL More ❯
and refactoring to ensure high-quality solutions. Work closely with cross-functional teams (developers, DevOps, data scientists, product managers) in an agile methodology . Their Tech Stack includes: Backend: Spring & SpringBoot, Java, Python, FastAPI Frontend: Vue.js Cloud: AWS Databases: Elasticsearch & Postgres And more This role offers exciting opportunities to dive into various areas, including Natural Language More ❯
and refactoring to ensure high-quality solutions. Work closely with cross-functional teams (developers, DevOps, data scientists, product managers) in an agile methodology . Their Tech Stack includes: Backend: Spring & SpringBoot, Java, Python, FastAPI Frontend: Vue.js Cloud: AWS Databases: Elasticsearch & Postgres And more... This role offers exciting opportunities to dive into various areas, including Natural Language More ❯
and refactoring to ensure high-quality solutions. Work closely with cross-functional teams (developers, DevOps, data scientists, product managers) in an agile methodology . Their Tech Stack includes: Backend: Spring & SpringBoot, Java, Python, FastAPI Frontend: Vue.js Cloud: AWS Databases: Elasticsearch & Postgres And more... This role offers exciting opportunities to dive into various areas, including Natural Language More ❯
london (city of london), south east england, united kingdom
Premier Group
and refactoring to ensure high-quality solutions. Work closely with cross-functional teams (developers, DevOps, data scientists, product managers) in an agile methodology . Their Tech Stack includes: Backend: Spring & SpringBoot, Java, Python, FastAPI Frontend: Vue.js Cloud: AWS Databases: Elasticsearch & Postgres And more... This role offers exciting opportunities to dive into various areas, including Natural Language More ❯
and refactoring to ensure high-quality solutions. Work closely with cross-functional teams (developers, DevOps, data scientists, product managers) in an agile methodology . Their Tech Stack includes: Backend: Spring & SpringBoot, Java, Python, FastAPI Frontend: Vue.js Cloud: AWS Databases: Elasticsearch & Postgres And more... This role offers exciting opportunities to dive into various areas, including Natural Language More ❯
design and development activities. Work closely with DevOps teams and utilize Microsoft Azure CI/CD pipelines. Technical Skills Cloud: AWS (Serverless architecture) Languages & Frameworks: Java 11/17, Spring, SpringBoot, Hibernate, OpenJPA Web Services: REST, SOAP Tools & Formats: YAML, Swagger Testing: Mockito, PowerMockito Batch Processing: Experience with batch jobs and scheduling CI/CD: Microsoft More ❯
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Nigel Wright Group
high-impact work, your primary influence will come through technical leadership: empowering teams to build scalable, secure, and high-performing services.With deep expertise in backend technologies such as Java, SpringBoot, and event-driven systems like Kafka, you'll help ensure architectural consistency and elevate engineering standards across multiple teams.This role is central to aligning technical strategy with … business objectives and future-proofing the products backend capabilities Person Technical Expertise : Strong Java experience (versions 7 through to latest) Familiarity with SpringBoot, AWS, Kubernetes, Kafka Product Mindset : Experience in product based organisations Proven ability to think beyond delivery—considering scalability, cost, latency, and long-term impact Leadership & Mentorship : Ability to guide and elevate a team of More ❯
West Midlands, England, United Kingdom Hybrid / WFH Options
Ikuto
to tackle modern engineering challenges that come with developing an AI-powered product at scale. What you’ll be working on Designing and developing backend services in Java with SpringBoot . Building scalable, production-ready systems that power a high-growth product. Deploying and running services in containerised environments ( Docker ). Collaborating closely with product managers and … bring intelligence and automation into the product. Taking ownership across the lifecycle — from first commit to running in production. What we’re looking for Strong experience with Java and SpringBoot . Background in building scalable, resilient systems. Experience with Docker and containerised environments. A product mindset: you want to solve user problems, not just ship code. Frontend More ❯
West Bromwich, West Midlands, UK Hybrid / WFH Options
Ikuto
to tackle modern engineering challenges that come with developing an AI-powered product at scale. What you'll be working on Designing and developing backend services in Java with SpringBoot . Building scalable, production-ready systems that power a high-growth product. Deploying and running services in containerised environments ( Docker ). Collaborating closely with product managers and … bring intelligence and automation into the product. Taking ownership across the lifecycle — from first commit to running in production. What we're looking for Strong experience with Java and SpringBoot . Background in building scalable, resilient systems. Experience with Docker and containerised environments. A product mindset: you want to solve user problems, not just ship code. Frontend More ❯
Reading, Berkshire, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions Ltd
they are tackling the biggest pain points stakeholders have, information overload and poor decision-making efficiency. What You'll Do Develop and enhance their core services built in Java (SpringBoot). Work on full-stack features using React (or similar modern JS frameworks). Collaborate on new product initiatives, including AI-powered tools. Contribute to architecture decisions … and help shape the future Tech Stack Backend: Java (SpringBoot), Ruby on Rails (Legacy), Golang, Python (AI services) Frontend: React, TypeScript Other: Kubernetes, modern CI/CD pipelines What We're Looking For Strong experience with Java and Spring Boot. Full-stack skills with React or similar frameworks is desired Bonus points for Kubernetes, cloud-native More ❯
they are tackling the biggest pain points stakeholders have, information overload and poor decision-making efficiency. What You’ll Do Develop and enhance their core services built in Java (SpringBoot). Work on full-stack features using React (or similar modern JS frameworks). Collaborate on new product initiatives, including AI-powered tools. Contribute to architecture decisions … and help shape the future Tech Stack Backend: Java (SpringBoot), Ruby on Rails (legacy), Golang, Python (AI services) Frontend: React, TypeScript Other: Kubernetes, modern CI/CD pipelines What We’re Looking For Strong experience with Java and Spring Boot. Full-stack skills with React or similar frameworks is desired Bonus points for Kubernetes, cloud-native More ❯
they are tackling the biggest pain points stakeholders have, information overload and poor decision-making efficiency. What You’ll Do Develop and enhance their core services built in Java (SpringBoot). Work on full-stack features using React (or similar modern JS frameworks). Collaborate on new product initiatives, including AI-powered tools. Contribute to architecture decisions … and help shape the future Tech Stack Backend: Java (SpringBoot), Ruby on Rails (legacy), Golang, Python (AI services) Frontend: React, TypeScript Other: Kubernetes, modern CI/CD pipelines What We’re Looking For Strong experience with Java and Spring Boot. Full-stack skills with React or similar frameworks is desired Bonus points for Kubernetes, cloud-native More ❯
on pricing and booking systems . Strong knowledge of low-latency systems and real-time processing . Familiarity with messaging platforms, especially 29 West (Ultra Messaging) . Microservices architecture, SpringBoot , RESTful APIs. Experience with data analytics and pricing models . Exposure to multi-asset products like interest rate swaps, bonds, and futures. TO BE CONSIDERED... This is … exposure to trading desks and high-value systems. Please send your CV and availability to: KEYWORDS Java Developer, Front Office, Pricing, Rates, FX, Credit, Equities, Low Latency, C++, C#, SpringBoot, Trading Systems, Booking, Analytics, Investment Banking, 29 West, Messaging, Microservices, London, Quant, Real-Time Systems, Multi-Threading, Trading Floor, Senior Java Engineer More ❯