Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex

Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex in London | Salt Search Search These jobs were popular with other job seekers Lead Software Engineer (Java) Revolut London Competitive 1 month ago Java + Kotlin Engineer Randstad Digital London £70000 - £75000 per annum 6 days ago Back End Developer / SRE Java JVM - Fintech Client Server Shoreditch, East London (E1), EC2A £90000 - £110000 per annum + benefits 2 days ago Principal Java Developer - Consultancy Client Server City of London (EC2A), EC2A £100000 - £120000 per annum + benefits 2 days ago Senior Java Engineer London Stock Exchange London Competitive 3 days ago Principal Java Architect London Stock Exchange North East Competitive 3 weeks ago Lead Developer London Stock Exchange London Competitive 1 week ago Lead Java Engineer - Low Latency, Front Office, Fixed Income, High Throughput Morson Edge London £110k - 130k per year + None 1 week ago Staff/Sr. Software Developer - Java - Messaging Orchestration for Apple iCloud, Apple Music Apple London Competitive 2 days ago Credit eTrading Developer (Java) Sanderson Recruitment London £700 - £750 per day 1 month ago Lead Software Engineer (Java) Revolut London Competitive 1 month ago Java + Kotlin Engineer Randstad Digital London £70000 - £75000 per annum 6 days ago Back End Developer / SRE Java JVM - Fintech Client Server Shoreditch, East London (E1), EC2A £90000 - £110000 per annum + benefits 2 days ago Principal Java Developer - Consultancy Client Server City of London (EC2A), EC2A £100000 - £120000 per annum + benefits 2 days ago Senior Java Engineer London Stock Exchange London Competitive 3 days ago Principal Java Architect London Stock Exchange North East Competitive 3 weeks ago Lead Developer London Stock Exchange London Competitive 1 week ago Lead Java Engineer - Low Latency, Front Office, Fixed Income, High Throughput Morson Edge London £110k - 130k per year + None 1 week ago Staff/Sr. Software Developer - Java - Messaging Orchestration for Apple iCloud, Apple Music Apple London Competitive 2 days ago Credit eTrading Developer (Java) Sanderson Recruitment London £700 - £750 per day 1 month ago Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex Salt London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford Contract Published: 4 hours ago £500 - £700 per day Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex Salt Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex Daily rate: £500 - £700 (inside IR35) Duration: 6 months Hybrid: 2 days per week (Tues + Wed) Start: ASAP My new client is looking for a highly skilled Senior Java Engineer to join their engineering team. The ideal candidate combines deep technical expertise with strong engineering discipline, independent problem-solving ability, and a commitment to building robust, scalable systems. You will work across modern cloud-native architectures, contribute to API and microservices development, and help drive best practices across the engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native solutions using AWS services such as Lambda, API Gateway, DynamoDB, ECS, S3, and others. Contribute to microservices architecture, event-driven systems, and distributed design patterns. Implement CI/CD pipelines using tools such as Jenkins, GitHub Actions, or AWS CodePipeline. Work with containerisation technologies (Docker) and orchestration platforms (ECS/EKS). Ensure code quality through unit, integration, and automated testing. Apply secure coding practices, including OAuth2/JWT authentication and general security best practices. Collaborate with cross-functional teams to deliver high-impact features and improvements. Participate in code reviews, architectural discussions, and continuous improvement initiatives. Required Skills & Experience Strong proficiency in Java, Spring Boot, and modern backend development. Hands-on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.). Solid understanding of RESTful API design and exposure to GraphQL. Experience with microservices, event-driven architectures, and distributed systems. Familiarity with CI/CD pipelines and DevOps practices. Knowledge of Docker and container orchestration fundamentals (ECS, EKS). Experience with unit testing, integration testing, and automation frameworks. Understanding of security best practices, authentication/authorisation standards (OAuth2, JWT). Experience with SOAP/WSDL, JAXB, and legacy service integration. Experience with test automation and Cucumber. Preferred Attributes Strong proficiency in software engineering fundamentals, including clean code, design patterns, and maintainable architecture. Demonstrated ability to think independently, validate information, and apply sound engineering judgment - including the ability to use AI tools effectively without over-reliance on them. Ability to work in a fast-paced environment and contribute to continuous improvement. Excellent communication skills and a collaborative mindset. *Rates depend on experience and client requirements Similar Senior Java Engineer (Aws, Rest, Soap) Jobs Popular with Other Job Seekers Lead Software Engineer (Java) Revolut London Competitive 1 month ago Java + Kotlin Engineer Randstad Digital London £70000 - £75000 per annum 6 days ago Back End Developer / SRE Java JVM - Fintech Client Server Shoreditch, East London (E1), EC2A £90000 - £110000 per annum + benefits 2 days ago Principal Java Developer - Consultancy Client Server City of London (EC2A), EC2A £100000 - £120000 per annum + benefits 2 days ago Senior Java Engineer London Stock Exchange London Competitive 3 days ago Principal Java Architect London Stock Exchange North East Competitive 3 weeks ago Lead Developer London Stock Exchange London Competitive 1 week ago Lead Java Engineer - Low Latency, Front Office, Fixed Income, High Throughput Morson Edge London £110k - 130k per year + None 1 week ago Staff/Sr. Software Developer - Java - Messaging Orchestration for Apple iCloud, Apple Music Apple London Competitive 2 days ago Credit eTrading Developer (Java) Sanderson Recruitment London £700 - £750 per day 1 month ago Senior Java Engineer jobs Senior Java Engineer jobs in London IT jobs IT jobs in London Software Development jobs Software Development jobs in London Jobs in London Junior Software Developer jobs Entry Level Software Engineer jobs Java Developer jobs Junior Developer jobs Java Software Developer jobs Senior Developer jobs Systems Software Engineer jobs Engineer Senior jobs Junior Software Engineer jobs Entry Level Software Developer jobs Java jobs Software Developer Java jobs Java Software Engineer jobs Senior Java Developer jobs Java Programming jobs Senior Software Engineer jobs Totaljobs About us Work for us Media centre Partners Jobseeker Jobs Jobseeker login Salary Planner Jobseeker help centre Career advice Recruiter Courses Advertise a job Recruiter login Contact us – recruiters Recruiter advice Recruit internationally Let's connect Apps Privacy policy Terms and conditions Cookies Compliance Accessibility The Stepstone Group UK Ltd © 2026