Backend Engineer Kraków Regular B2B 800 – 1 040 PLN/day

Jit; Kraków; Hybrid; PLN 170,000 - 240,000; Full time

Job summary

Jit is seeking a Backend Engineer to join an international team building scalable, highly available applications for millions of users. You'll help shape a new fintech initiative from its early stages using Python and Node.js, Kafka, and REST APIs in a cloud-based environment.

The role emphasizes distributed systems, event-driven architecture, and collaboration with teams across Warsaw, Kraków, and the Tricity area, with elastic hybrid work and monthly office visits.

Qualifications

• 3+ years of commercial experience as a Backend Engineer.
• Strong experience with Python and Node.js.
• Experience with event-driven architectures and distributed systems.
• Hands-on experience with Kafka.

Responsibilities

• Build scalable, highly available applications in a cloud-based fintech initiative.
• Work in an international engineering team focused on real-world problems for millions of users.
• Collaborate on REST APIs and asynchronous communication.

Skills

Backend Engineer

Python

Node.js

Kafka

REST APIs

React/Next.js

English B2

Tools

React/Next.js

Job description

Work Model: elastic hybrid – an office visit once a month in Warsaw, Kraków, or the Tricity area

Why choose this offer?

• You can expect a flexible work organization
• You will work for one of Poland’s leading organizations in the logistics and e-commerce industry
• Your software will be used by millions of users, giving you the chance to make a real impact
• The international work environment will give you the opportunity to work with leading experts from different teams and areas
• The Jit Community will bring you a nice time during regular integration meetings

Project

You will be involved in a large-scale, cloud-based software project for one of Poland’s leading organizations in the logistics and e-commerce industry. As a Backend Engineer, you will work in an international engineering team focused on building highly scalable and highly available applications that solve real-world problems for millions of users. This is an opportunity to join a well-established and rapidly growing Polish business and contribute to the development of a new fintech initiative from its early stages.

Expected competences and knowledge

• 3+ years of commercial experience as a Backend Engineer
• Strong experience with Python and Node.js
• Experience with event-driven architectures and distributed systems
• Hands-on experience with Kafka
• Good understanding of REST APIs and asynchronous communication
• Experience with React and/or Next.js
• Good communication skills in English (min. B2 level)
• Understanding of authorization flows, ledger and settlement processes

Experience with agile development methodologies

• Nice to have:
  • Knowledge of software security and compliance requirements, including PCI DSS and PSD2
  • Familiarity with KYC/KYB processes
  • Experience working in international and cross-functional engineering teams

Technologies you'll work with

• Python
• Node.js
• React / Next.js
• REST APIs
• Event-driven architecture
• Distributed systems

About Jit Team

The Human Factor of IT – it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

Here’s how we get from first “hello”
to “welcome aboard”

You’ll meet with our HR team to discuss your experience, approach to software development, and teamwork. We’ll also verify your English language proficiency as part of the conversation. Then, you’ll take part in atechnical interview focused on your skills and problem-solving mindset.

We believe agreat workplace is more than aset of benefits. It’s about trust, long-term relationships, and an environment where people can do their best work.

Share and gain experience. Jit Academy is aplatform serving amutual knowledge exchange. Lecture others and share your expertise or join the audience.

Jit Communities

Join the group of experts. We ensure constant growth, that’s why we keep building communities dedicated to mutual education.

Growth support

We value people who are looking to develop their skillset. We proudly finance avariety of courses and certifications so that you can gain new competencies.

Jit Summer Office

Gain access to the office located at the very beach in Chałupy. Jit Trailer awaits visits of the team members and their families.

Jit Boats

Cruise the bay thanks to the motorboat awaiting at the Yacht Park in Gdynia. Furthermore, there is afleet of jet skis and kites located at the beach in Chałupy.

Would you recommend any IT specialist we could hire? Share the contact and gain abonus if we hire them.

Start the day without haste.
At Jit, we begin and finish the day of work within acertain time frame, in stead of fixed hours.

Bonuses for content creators

We provide bonuses to those willing to participate in industry events as public speakers, and to content creators writing articles for our blog.

Mental health support

Mental health is fundamental. Take advantage of psychologists and psychotherapists’ support and reach for psychoeducational content on the wellbeing platform

We provide our teams with high-quality gear necessary to work. Choose between MacOs or Windows and work the way you prefer.

Teambuilding events

Meet new, interesting people. We’re dedicated to building human relations and often host informal events that bound our team members.

Classes conducted for small groups, lectured
by our teachers, guarantee rapid results.

Take care of your wellbeing. Members of Jit Team, gain access to awide range of medical plans provided by Medicover or PZU.

We provide Multisport and Medicover Sport gym cards so that you can improve your physical condition.

Life insurance

Increase your safety. No matter the form of employment, we provide life insurance plans to our colleagues.

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