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Senior Java Developer part-time
  • Warsaw
Senior Java Developer part-time
Warszawa, Warsaw, Masovian Voivodeship, Polska
The Codest
19. 6. 2025
Informacje o stanowisku

Hello World!

We are The Codest - International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services.

Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams.

But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step.

NOTICE: This position is for 0.5 FTE (part-time, 20h/week)

Project Description:

This is a project for a consulting company that focuses on recruitment and HR technology challenges, offering tailored strategies and support in integrating ATS systems. Its consultants work with organizations across various sectors – including retail, healthcare, and public administration – to analyze needs and values and help design more efficient recruitment environments.

You’ll be working on software that extends the functionality of Applicant Tracking Systems. We provide custom features designed to meet specific business needs that go beyond standard ATS capabilities. Additionally, we develop and maintain an advanced in-house website builder with integrated ATS support. Clients can use it to create a full business website or simply add a recruitment module to an existing site.

Key Requirements:

  • High proficiency in Java, versions up to current LTS (21)
  • Expert knowledge of Spring Boot ecosystem, versions up to current (3.4)
  • Ability to design RESTful APIs, security included (Spring Security, JWT)
  • Ability to work with reactive programming on backend side: WebFlux, Project Reactor
  • Understanding of non-relational DB engines, preferably MongoDB
  • Advanced knowledge of Maven build tools
  • Basic knowledge of Kotlin with readiness to improve
  • Basic knowledge of AWS services, Docker, Kubernetes, Helm
  • High proficiency with English language (including technical lingo)

➕ Nice to have:

  • Kotlin knowledge
  • AWS knowledge
  • Any knowledge of French language

Our Promise (what you can expect from us):

  • Hourly rate of 120-130 PLN/h on B2B
  • 100% remote work (but we have offices in Krakow and Warsaw and we’re happy to meet there from time to time )
  • 300 PLN to use on our benefits platform, Worksmile - gift cards, medical services, sports, etc.
  • Our B2B contract contains provisions that allow you to obtain IP BOX support
  • Integration events, education opportunities and much more…
  • A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them!

Recruitment process:

  • 30-minute screening call online with our recruiter
  • 1h technical call with our Java Developer
  • 30-minute client call
  • Offer

In the meantime, feel free to visit our website where you can find key facts about us.

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