Start date: April 2026

Salary ranges: 115-125 PLN net/h

Form of employment: B2B contract

Location: Remote

Language: English (fluent)

About the Role:

We are seeking an experienced Full Stack Engineer with a strong background in application security, enterprise Java development, and modern front‑end frameworks. In this role, you will focus on resolving security findings across a large-scale platform, performing dependency upgrades (Java + TypeScript), ensuring that remediation work does not impact existing functionality, and collaborating with global distributed teams.

This is a senior-level position requiring hands-on expertise in secure coding, investigation of vulnerabilities, and implementation of remediation strategies.

Key Responsibilities:

• Analyze and resolve security findings across the platform

• Perform dependency upgrades (Java, TypeScript/JavaScript)

• Ensure stability and functional integrity of systems after security fixes

• Work collaboratively with distributed global engineering teams

• Integrate with enterprise IAM systems (OAuth, OIDC, SSO)

• Contribute to best practices, architecture patterns, and secure development standards

Must-Have Qualifications:

• 7+ years of enterprise Java experience

• Strong security background, including vulnerability investigation & remediation

• Experience with dependency upgrades (Java, TS/JS)

Proficiency in:

• Java SE / JEE

• Spring Framework

• JMS

• JPA / Hibernate

• TypeScript

• Angular v2+, Observables, Redux

• Enterprise IAM integration: OAuth, OIDC, SSO

• Solid understanding of enterprise design & integration patterns

• Experience working in financial/regulated environments

• Excellent communication skills and fluent English

We offer:

• Up to 125 PLN/hour net under a B2B contract,

• A flexible billing model,

• A short, 14‑day invoice payment term,

• A comprehensive private medical care package,

• Access to the MyBenefit cafeteria platform (including Multisport cards and prepaid cards for IKEA, Zalando, Notino, and many other partners).

Additional Information:

• Background checks is mandatory for this role and will be conducted by a trusted third‑party vendor.

• This requirement is standard for the financial industry, ensuring compliance with regulatory obligations and maintaining the highest security standards.

• Once a candidate is shortlisted, the client will request the necessary documents and personal details required to complete the verification process.