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Required: Languages: Java 11+, HTML5, JavaScript
Front-End Frameworks: Angular
APIs: RESTful API Design
Databases: Neo4j, PostgreSQL
Testing: Junit, Mockito, Cucumber
Building: Maven
Tooling: GitHub, JIRA, Confluence, GitHub Copilot

The Developer Experience (DevX) Standards and Controls function is building a platform for control owners and development teams to manage/view their compliance with a range of software development controls.

The candidate would be working on re-platforming an application from a vendor platform (PCF) over to an internal bring your own code (BYOC) platform as well as modernising the application and resolving dependency issues.

YOUR RESPONSIBILITIES
Collaborate with developers, testers and the wider organisation to build and run products
Design, develop & implement back-end features as per backlog/priority with a small element of front-end development.
Collaborate with the rest of the engineering team to design and launch new features.
Proactively work with customers to resolve their issues and respond to feature requests.
Build APIs and microservices
Work in an agile CI/CD environment to deliver rapid iterations at a sustained velocity
Be an active member of a team, participating in peer reviews and in testing others code through automated test scripting

SKILLS & EXPERIENCE WE REQUIRE
Strong Java development experience (modern Java 11+).
Experience designing and building microservices architectural style applications.
Experience with Graph databases (experience with Neo4j is desirable).
Experience modernising legacy Java applications.
Experience with the design and build of REST APIs
Experience building HTML/JavaScript front-ends (experience with Angular is desirable).
Strong technical and analytical troubleshooting skills.
Experience in BDD and/or TDD approaches and frameworks (unit/integration test automation)
Experience resolving issues with dependencies (e.g. conflicts), performing upgrades and remediating dependencies with vulnerabilities.
Experience in working with Agile including the use of Jira/Confluence.
Be a proactive person who will not wait to be told what to do next or be unblocked by others
Good interpersonal skills.
Strong English skills, written and spoken.

GCS is acting as an Employment Business in relation to this vacancy.

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Full Stack Java Developer

Contract | Hybrid

We're seeking a senior Full Stack Java Developer to join a high-performing engineering team delivering modern, cloud-native applications within an enterprise environment.

You'll play a key role in designing, building and deploying scalable systems across the full software development lifecycle, working within agile teams focused on quality, automation and continuous delivery.

Essential Skills & Experience5+ years' commercial Full Stack Engineering experience5 years strong React or React Native development expertiseProven Java and Spring Boot development experienceRESTful API design and developmentMicroservices architecture and distributed systemsSQL and database technologiesTest Driven Development (TDD) and Behaviour Driven Development (BDD)Unit, integration and automated testing practicesGitLab and CI/CD pipeline implementationOpenAPI Specification (OAS) and YAMLAWS cloud engineering experienceSecure coding and application security best practicesDevOps and Continuous Delivery methodologies

This is an excellent opportunity to work on large-scale digital transformation programmes using modern engineering practices and cloud technologies.

Apply now for immediate consideration, interviews to take place next week

GCS is acting as an Employment Business in relation to this vacancy.

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Java Data Engineer IV (Contractor)

Location: Philadelphia, PA (1701 John F. Kennedy Blvd)
Type: Contract

About the Role

Our team is seeking a Java Data Engineer IV to support a high-impact data engineering initiative focused on modernizing and scaling enterprise analytics. This role will be instrumental in building and enhancing the data pipelines that power inventory, supply, and yield reporting, enabling business-critical analytics delivered through Tableau Cloud.

You'll work alongside experienced data engineers to develop robust ETL solutions, migrate legacy data workloads, and build cloud-native data pipelines using AWS, Databricks, and Snowflake. This is an excellent opportunity for an engineer who enjoys solving complex data challenges in a collaborative Agile environment.

What You'll DoDesign, develop, and maintain scalable ETL and data engineering pipelines.Build data pipelines that ingest, transform, and load enterprise data into Databricks.Develop and enhance Java-based applications and microservices supporting data processing.Partner with engineering teams to translate business requirements into reliable technical solutions.Build, test, and optimize pipelines using AWS, Databricks, and Snowflake.Create technical documentation, design specifications, and support quality assurance efforts.Develop infrastructure using Terraform for repeatable cloud deployments.Build and maintain CI/CD pipelines using GitHub Actions or Concourse.Troubleshoot production issues and provide post-deployment support.Improve reliability, reduce single points of failure (SPOF), and implement risk mitigation strategies.Enhance and modernize legacy data engineering jobs while supporting cloud migration initiatives.Collaborate with cross-functional teams to establish engineering best practices and improve platform performance.Required Qualifications7+ years of software engineering or data engineering experience.Strong Java development experience.Hands-on experience with Spring Boot and Microservices architecture.Experience building ETL or data integration pipelines.Experience with AWS cloud services.Strong SQL skills.Experience with Databricks and/or Snowflake.Experience with Infrastructure as Code using Terraform.Experience building CI/CD pipelines using GitHub Actions, Concourse, Jenkins, or similar tools.Strong understanding of software testing, quality assurance, and production support.Excellent problem-solving and troubleshooting skills.Experience working in Agile development environments.Preferred QualificationsExperience supporting enterprise analytics or reporting platforms.Experience migrating legacy ETL workloads to modern cloud platforms.Familiarity with Tableau Cloud or other BI platforms.Experience optimizing large-scale data pipelines for performance and reliability.Knowledge of data governance and cloud data architecture best practices.What Success Looks LikeDeliver scalable, reliable cloud-based data pipelines.Successfully support migration of legacy data engineering workloads.Improve deployment automation and infrastructure reliability.Minimize production issues through proactive monitoring and risk mitigation.Enable high-quality analytics by delivering trusted, well-documented data assets.Technical EnvironmentLanguages: Java, SQLFrameworks: Spring Boot, MicroservicesCloud: AWSData Platforms: Databricks, SnowflakeInfrastructure: TerraformCI/CD: GitHub Actions, Concourse (or similar)Reporting: Tableau CloudMethodology: Agile

If you're passionate about building modern cloud data platforms, enjoy solving complex engineering challenges, and thrive in a collaborative environment, we'd love to hear from you.

GCS is acting as an Employment Business in relation to this vacancy.

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We are excited to announce a fully remote opportunity with a leading financial client based in Poland. We're looking for talented Full stack engineer who are passionate about building modern web applications and have strong expertise in Java, Springboot, Microservices, React, CSS and NX Monorepo.

Key requirements:

Strong experience in Java and Spring BootHands-on expertise with microservices architectureFrontend development experience with React and TypeScriptExperience working with Nx monorepo setups and CSSMandatory experience with authentication systems such as Keycloak and OAuth2Good experience in Microfrontends.Background in building and shipping scalable applications with reusable componentsSolid understanding of SDLC processes, CI/CD automation, and deployment pipelines

This is a fantastic chance to work with a financial industry leader, contribute to cutting-edge projects, and collaborate with a global team-all from the comfort of your home.

GCS is acting as an Employment Business in relation to this vacancy.

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