Senior Java Software Engineer

RE Partners; Polska; On-site; PLN 230,000 - 320,000; Full time

Job summary

RE Partners is seeking a Senior Java Engineer to join a Deployment Security & Software Reliability team supporting a major financial institution. The role is highly hands-on, focusing on Java, CI/CD, dependency modernization, automated testing, and software supply-chain security.

You will collaborate with development teams to remove barriers to rapid, safe releases, implement release automation, and improve tooling and security across the software delivery lifecycle.

Qualifications

• 5+ years of professional software engineering with strong hands-on Java.
• Strong knowledge of modern Java/Spring Boot development and architecture.
• Hands-on experience with CI/CD, build pipelines, and release processes.
• Experience with Gradle and/or Maven and dependency management.
• Familiarity with software supply-chain security and vulnerability remediation.
• Experience with static analysis, code quality gates, SAST/SCA tooling (Snyk, Black Duck, or Checkmarx).

Responsibilities

• Design, develop, troubleshoot, and improve enterprise Java applications and services.
• Work with development teams to remove blockers for safe, rapid software delivery.
• Improve CI/CD processes, release branching, and deployment automation.
• Build and improve automated tests and release confidence.
• Integrate with tools like Snyk, Black Duck, and Checkmarx for security.
• Support containerized deployments in Kubernetes environments.

Skills

Java

Spring Boot

CI/CD

Dependency upgrades

Software testing

Tools

Gradle

Maven

Renovate

OpenRewrite

Snyk

Black Duck

Checkmarx

SBOM tooling

CycloneDX

SARIF

Kubernetes

Docker

Job description

Who We Are:

We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a preferred vendor for Fortune 500 companies and as a trusted partner for some of the industry’s leading companies, our global talent has helped many clients achieve their goals.

The 3 G’s of RE:

“Get Shit Done.”

“Get Over Shit.”

“Give a Shit.”

Senior Java Engineer - Deployment Security & Software Reliability

We are seeking an experienced, hands-on Senior Java Engineer to join a newly established Deployment Security and Software Reliability Engineering team supporting one of the world’s largest financial institutions.

This is not a traditional development, support, or operations role. You will work directly with development teams to make software releases faster, safer, and more secure, identifying what is preventing teams from releasing effectively and helping solve those problems hands‑on.

The role is highly hands‑on, with a focus on Java, CI/CD, dependency modernization, automated testing, software supply‑chain security, containerization, release automation, and vulnerability remediation.

Key Responsibilities

• Design, develop, troubleshoot, and improve enterprise Java applications and services.
• Work directly with development teams to identify and resolve technical barriers to safe and rapid software delivery.
• Improve and modernize applications through dependency upgrades and automated code transformation, using tools such as Renovate and OpenRewrite.
• Improve CI/CD build and release processes, including release branching, cascading merges, semantic or calendar versioning, and deployment automation.
• Build and improve automated, local, and smoke testing.
• Work with build and package ecosystems including Gradle, Maven, npm, and related tooling.
• Integrate and improve static code analysis, code quality gates, and application security scanning.
• Support integrations with tools such as Snyk, Black Duck, and Checkmarx.
• Work with SARIF, SBOM tooling, and CycloneDX to improve software supply‑chain visibility and security.
• Support and improve containerized and Kubernetes-based application deployments.
• Troubleshoot complex issues across application code, dependencies, builds, configuration, testing, and deployment processes.
• Contribute to reusable engineering practices and automation that can be adopted across development teams.

Required Skills & Experience

• 5+ years of professional software engineering experience, with strong hands‑on expertise in Java.
• Strong experience designing, developing, troubleshooting, and improving enterprise applications.
• Strong understanding of modern Java / Spring Boot development and architecture.
• Hands‑on experience with CI/CD, build pipelines, and software release processes.
• Experience with Gradle and/or Maven and dependency management.
• Experience with automated testing and improving release confidence.
• Experience with dependency upgrades and application modernization.
• Understanding of application security, vulnerability remediation, and software supply‑chain security.
• Experience with static analysis, code quality gates, SAST/SCA tooling, or platforms such as Snyk, Black Duck, or Checkmarx.
• Familiarity with SBOM concepts, CycloneDX, or SARIF.
• Experience with containerized applications and Kubernetes environments.
• Ability to work across application code, configuration, builds, testing, and deployment processes.
• Strong communication skills and the ability to work directly with development teams to understand problems and drive solutions through implementation.

Nice to Have

• Experience with Renovate and OpenRewrite.
• Experience with semantic versioning, calendar versioning, release branches, or cascading merges.
• Experience across additional ecosystems such as Node.js/npm, Python/PyPI, .NET/NuGet, or Go.
• Experience with Shell, Bash, PowerShell, or Pkl.
• Experience working in Software Reliability Engineering, DevSecOps, Platform Engineering, or deployment engineering environments.
• Experience helping teams modernize existing applications and software delivery practices.
• Experience working within large, complex engineering organizations.
• Financial services or banking experience is beneficial but not required.

The Opportunity

We are looking for more than strong Java developers. We need problem solvers and engineering advocates who can walk into a development team, understand what is preventing them from releasing software safely and quickly, and then actually help fix it.

For engineers who enjoy solving difficult technical problems, improving engineering practices, and building reusable solutions across teams, this is a unique opportunity.

• Strong emphasis on hands‑on engineering, technical autonomy, problem solving, and cross‑team impact

Equal Opportunity Employer:

We are an equal opportunity employer and welcome applications from all qualified individuals regardless of race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, or veteran status.