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# Senior Java/ Scala Developer

- **Company:** Descriptionsynechron
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Amazon S3, Cloud Computing, Databases, Continuous Integration, Data Structures, Relational Databases, Identity and Access Management, Spring Framework, Liquibase, Model View Controller (MVC), Object-Oriented Software Development, Cloud Services, Swagger, Openapi, Multithreading, Concurrency, AWS Aurora, Restful APIs, Docker, Microservices
- **Published:** June 14, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/38982855/

## About the Role

Experience:Advanced Java/ScalaStrong experience in Object-Oriented Programming (OOP)Advanced knowledge of Java 21+ features and practical experience with Spring BootSome Scala knowledgeSkilled in developing RESTful services, including REST design principles, Swagger/OpenAPI, and Spring REST MVC Proficient in building and delivering enterprise-grade Java applicationsHands-on experience with data structures, algorithms, concurrency, and multi-threading
Database ManagementStrong SQL knowledge with experience in relational databases such as PostgresWorking knowledge of object storage solutions, e.g., AWS S3Familiarity with database version control tools like Flyway and Liquibase
Cloud ArchitectureExperience working with major public cloud platforms, preferably AWSHands-on use of cloud-based services such as AWS Aurora, MSK, S3, and IAMBasic understanding of cloud networking concepts

## Description

Job DescriptionSynechron is looking for a talented Senior Lead Engineer to join our team and lead (whilst being hands on) the development of a complex, ground-up, cloud-native system designed to power critical financial markets.
This innovative initiative involves creating a robust, scalable platform to support real-time market data, trading, and risk management solutions. You will be instrumental in designing a high-performance, resilient infrastructure that adheres to industry best practices and regulatory standards. This is a unique opportunity to work on a transformative project in the financial technology space, impacting how markets operate globally
Role:Lead the design and development of microservices in an event-driven architectureBuild and optimise scalable REST APIs and enterprise-grade applicationsWork with cloud platforms like AWS (S3, Aurora, MSK, IAM) and container tools like Docker and KubernetesTake ownership of solutions from conception through deployment, ensuring high quality and resilienceCollaborate closely with cross-functional teams to deliver innovative features in an agile environmentPromote engineering best practices, including CI/CD, testing, and operational excellence


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