June 25, 2026

Lead Java Developer

Senior • Hybrid

Krakow, Poland

We are building a Lead Java Developer role to strengthen a global fixed income trading platform built on Java and enterprise standards. You will design and deliver component-based services using technologies like JMS, ORM, Spring, WebServices, REST, plus integrations across TCP/IP networking and scripting (bash, Perl, Python) and even C++. Apply now to help modernize the platform and drive high-quality delivery

Responsibilities

  • Design and implement software components that meet defined requirements

  • Own delivery outcomes by ensuring software quality and agreed standards

  • Partner with the customer to clarify and understand deliverables

  • Support the business with platform rationalization and optimization efforts

  • Drive reduction of technical debt and advance platform standardization

  • Assist the business with migration to the strategic platform

  • Collaborate with IT teams across global locations

Requirements

  • Proven 7+ years of professional experience in software development

  • Deep expertise in Core Java

  • Hands-on proficiency with SQL and the Spring framework

  • Excellent communication and effective time management skills

  • Collaborative team player mindset with a pragmatic approach to software delivery

  • Strong English skills (written and verbal)

Nice to have

  • Experience with Java multithreading, networking, and web services

  • Familiarity with JMS and Redis

  • Ability to elicit and document requirements with strong focus on software quality

  • Knowledge of the investment banking domain

  • Understanding of Agile principles, including Scrum or Kanban

We offer/Benefits

We gather like-minded people:

  • Engineering community of industry professionals

  • Friendly team and enjoyable working environment

  • Chance to work abroad for up to 60 days annually

  • Business-driven relocation opportunities

We provide growth opportunities:

  • Outstanding career roadmap

  • Leadership development, career advising, soft skills, and well-being programs

  • Certification (GCP, Azure, AWS)

  • Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru

  • English classes

We cover it all:

  • Stable income (Employment Contract)

  • Participation in the Employee Stock Purchase Plan

  • Benefits package (health insurance, multisport, shopping vouchers)

  • Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more

  • Referral bonuses

  • Corporate, social and well-being events

Please, note:

  • The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview

  • We will reach out to selected candidates exclusively

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