Senior Java Developer With Kotlin (AI)

TL;DR

Senior Java Developer With Kotlin (AI): Leading and developing the Language Intelligence engineering team, responsible for building and scaling intelligent solutions supporting language-driven features within the product ecosystem with an accent on architectural decisions and engineering excellence. Focus on ensuring high-quality delivery, aligning business goals with technical execution, and solving complex technical challenges.

Location: Hybrid, requiring 1 day per week onsite in Gdynia, Warsaw, Krakow, or Rzeszow, Poland.

Salary: 20,000–26,000 PLN/month (B2B).

Company

hirify.global is a Polish outsourcing company that creates highly specialized IT teams for clients worldwide, employing over 700 experts.

What you will do

• Lead and develop the Language Intelligence engineering team.
• Take end-to-end ownership of delivery, quality, and reliability.
• Drive architectural decisions and technical direction.
• Ensure engineering excellence standards (code quality, testing, CI/CD, production readiness).
• Collaborate closely with Product, UX, and Business stakeholders.
• Translate business needs into technical solutions and execution plans.

Requirements

• Min. 6 years of experience with Java.
• Experience with Kotlin and Python.
• Proven experience leading a software development team (people leadership + delivery ownership).
• Ability to contribute to architecture decisions and conduct high-quality code reviews.
• Experience in ensuring engineering excellence (clean code, testing strategy, CI/CD, production readiness).
• Strong ownership mindset and accountability for outcomes.
• Very good communication skills and knowledge of English.
• Hands-on Team Leader profile (~30% active coding, ~40% technical leadership, ~30% people leadership).

Nice to have

• Background in e-commerce, marketplace, or consumer platforms.
• Experience in mobile development or AI-powered projects.

Culture & Benefits

• Real impact on product direction as a technical partner in product discovery.
• Strong ownership and autonomy in technical and delivery decisions.
• Possibility to work on AI-powered and innovative solutions.
• Contribute to the development of a leading e-commerce advertising platform used by millions.
• Work with state-of-the-art technologies and tools.
• Developmental projects and a proprietary professional development programme.