Tech Lead

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

As a Tech Lead, you’ll take ownership of designing and delivering scalable software solutions across the Java (Spring Boot) backend and React/Next.js TypeScript frontend. You’ll guide the team technically and support product excellence in a cloud-native setup.

Sounds like your kind of challenge?

#LI – Hybrid: 2x/week from the office in Kraków

What you’ll be doing

Lead and mentor a cross-functional engineering team, ensuring delivery quality and technical growth.
Architect robust Java (Spring Boot) backend services and maintain well-structured React/Next.js frontends.
Ensure end-to-end delivery of product features — from design, through development, to deployment.
Set and enforce engineering best practices, including testing, code quality, and observability standards.
Collaborate closely with UX, backend, and data teams to advance product functionality and user experience.
Drive continuous improvement, ensuring projects align with architectural and performance goals.

Note: Detailed project information will be shared during the recruitment process.

What you get in return

Flexible cooperation model
Hybrid work setup – 2x/week from the office in Kraków
Collaborative team culture – work alongside experienced professionals eager to share knowledge
Continuous development – access to training platforms and growth opportunities
Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
High quality equipment – laptop and essential software provided

Who we’re looking for

Proven experience as a Tech Lead or Senior Full Stack Developer.
Strong backend experience with Java/Spring Boot and good command of React + TypeScript.
Solid understanding of system architecture, API design, and data flow integration.
Familiarity with observability tools and monitoring practices in distributed environments.
Hands-on knowledge of database design, migration, and testing frameworks (JUnit, Vitest, Playwright).
Strong communication skills, proactive leadership, and the ability to balance hands-on coding with team guidance.

Nice to have

Experience with cloud-native environments and deployment automation.
Background in data engineering (Spark, event-driven processing).
Practical experience with Next.js or other modern frontend frameworks.

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

Tech Lead

Kraków

B2B

1500 - 1650 PLN/MD netto + VAT

Apply for position

I will handle your recruitment

Aleksandra Nowak

SUPPORT & BENEFITS

Private healthcare

Fast access to doctors and medical tests.

Mindbox fully covers the individual package. You can extend the coverage to your partner and family on preferential terms. A wide network of medical providers and clear rules for everyday use.

Multisport

Energy that pays off.

We cover 50% of the card cost. You get access to thousands of sports facilities across Poland, plus a convenient mobile app. Additional cards for family members are available.

Training & development

Practical support for your career growth.

We co‑fund courses, certifications and conferences under a clear Training Policy. You also get access to a library of recorded webinars and trainings – available whenever you need them.

Eyewear or contact lenses co‑funding

Clear vision means comfortable work.

Up to PLN 500 every two years, with an additional PLN 300 available in justified cases. Simple reimbursement, regardless of your form of cooperation.

Group life insurance

Real protection from day one.

Option I is fully funded by Mindbox, Option II is co‑funded. You can include your partner and adult children, with coverage that also applies to treatment and hospitalisation abroad.

Ongoing support from the Talent Network Development

You’re not on your own in a project.

Regular contact, quick response and a partnership‑based approach. You focus on your work — we help take care of the rest.

Regular integration meet‑ups

Relationships that work beyond the project.

Cyclical meet‑ups for contractors in major cities across Poland. A space to talk, exchange experience and stay in real contact with the Mindbox team.

Annual company‑wide integration

One event. The whole community.

A two‑day company gathering with accommodation, transport and a full activity programme. Time to connect teams from across Poland and build shared experiences.