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September 1, 2026

Senior Java Developer with Kotlin

Senior • On-site

268,390 - 457,010 PLN/yr

Warsaw, Poland

Prime Brokerage Technology provides solutions that support the operations of clients and traders and underpin the Prime Finance business.

Responsibilities

  • Own and develop core components for the Prime Brokerage platform using Java/Kotlin.
  • Provide technical leadership to an agile team, mentoring developers and establishing best practices for coding, testing, and CI/CD.
  • Drive quality and continuous improvement in SDLC and DevOps, using metrics such as DORA to improve efficiency.
  • Lead system architecture, design, planning, and estimation discussions with technical teams and business stakeholders.
  • Translate complex business requirements into detailed technical specifications.
  • Create and maintain project and technical documentation.
  • Identify, mitigate, and resolve complex risks throughout the software development lifecycle.
  • Manage production support, analyze issue patterns, and improve system performance, scalability, and reliability.

Technical Experience

  • Java and Test-Driven Development are essential.
  • Additional advantageous technologies include:
    • Kotlin
    • Cloud technologies: Kubernetes, Open Shift
    • Messaging technologies: Kafka, Solace, TIBCO
    • Database, data store, and data query technologies: SQL Server, Trino, Mongo, S3
    • Observability technologies: OpenTelemetry, Elastic Stack / ELK, Grafana

Recommended Qualifications

  • 6–10 years of relevant experience in an applications development or systems analysis role.
  • Extensive experience in system analysis and software application programming.
  • Experience managing and implementing successful projects.
  • Subject Matter Expert in at least one area of Applications Development.
  • Ability to adjust priorities quickly as circumstances dictate.
  • Demonstrated leadership and project management skills.
  • Clear and concise written and verbal communication skills.
  • Bachelor’s degree, university degree, or equivalent experience; a master’s degree is preferred.

What We Can Offer You

  • Business-casual workplace with a hybrid working model, currently allowing up to 2 days of home working per week.
  • Competitive base salary, potentially subject to the final offer.
  • Primary full-time salary range: 268,390.00 PLN–457,010.00 PLN.
  • Employer-paid Defined Contribution Pension Plan contribution of 6% of pensionable earnings.
  • Employer-paid private medical care package for employees, with packages for certain family members available at preferential rates.
  • Employer-paid life insurance for employees, with coverage for certain family members available at preferential rates.
  • Employer-financed Employee Assistance Program.
  • Paid parental leave, including statutory leave and 2 additional paid weeks of paternity leave.
  • Subsidized sport card for employees and preferential-rate cards for certain family members.
  • Social Benefits Fund benefits, including holiday allowance, support for sport and cultural activities, and team-building events.
  • Additional day off for volunteering.
  • Cafeteria/flex benefits system.
  • Opportunity to receive an annual discretionary incentive award.
  • Special employee offers and discounts.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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