Mid Java Developer
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Specialization Java Developer
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Experience Junior, Regular
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Location Gdańsk, Kraków, Rzeszów, Warszawa
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Working mode Hybrid
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Salary B2B: 700 – 900 PLN/day
Salary: 600-900 PLN/MD on B2B
Work model: hybrid from Gdynia / Gdańsk / Warszawa / Rzeszów / Kraków (2 days per week from the office)
Why choose this offer?
- Opportunity to build a fintech platform from scratch (greenfield project)
- Real impact on architecture and core backend services from day one
- Work in an event-driven, microservices-oriented environment
- Collaboration within a cross-functional, international team
- Work on a large-scale financial platform in the banking domain
Project
We are building a fintech platform from the ground up for a financial institution operating in the banking products space. As a Java Developer, you will be part of a cross-functional squad responsible for designing, developing, and delivering backend services for this greenfield product. You will work closely with your Tech Lead, Senior Developer, Business Analyst, and QA Engineer within a mixed frontend-backend squad.
This is a unique opportunity to shape the architecture and codebase of a large-scale financial platform from day one, working in an event-driven, microservices-oriented environment.
Responsibilities you’ll have:
- Design, develop, and maintain backend services and APIs for the fintech platform in greenfield project
- Implement business logic in Java using the Spring framework within an event-driven architecture
- Work with Postgres databases – design schemas, write queries, and ensure data integrity
- Collaborate within a cross-functional squad (Tech Lead, Senior Developer, BA, QA, Frontend Developers) to deliver product increments
- Participate in code reviews, technical discussions, and architectural decisions within the squad
- Write clean, testable, and well-documented code following team standards and best practices
- Contribute to continuous improvement of development processes and tooling
- Communicate progress, blockers, and technical decisions in English to team members and stakeholders
Expected competences and knowledge:
- Min. 3 years of commercial experience in Java backend development (mid-level proficiency expected)
- Hands-on experience with the Spring framework (Spring Boot, Spring MVC, or Spring Cloud)
- Experience with event-driven architecture (message brokers, asynchronous processing, event sourcing or similar patterns)
- Working knowledge of Postgres or comparable relational databases (schema design, SQL, migrations)
- Fluent English – the ability to communicate freely in a professional setting (spoken and written)
Nice to have:
- Experience with Kafka or similar distributed messaging/streaming platforms
- Familiarity with Google Cloud Platform (GCP) services
- Experience with Kubernetes (K8s) and containerized deployments
- Prior experience working in the financial services or banking domain
- Experience building systems from scratch (greenfield projects)
Technologies you’ll work with
- Java
- Spring (Spring Boot, Spring MVC, Spring Cloud)
- PostgreSQL
- Event-driven architecture
Nice to have:
- Kafka
- GCP
- Kubernetes
Client – why choose this particular client from the Jit portfolio?
The client is a fintech institution operating in the Kingdom of Saudi Arabia, focused on modernising its digital capabilities and expanding its offering for micro-SME customers. It is an organisation with a strong market presence and a clear strategic commitment to innovation, aiming to deliver banking experiences that are fully digital, user-friendly, and deeply integrated with day-to-day business needs.
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 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme.
Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure 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 a technical interview focused on your skills and problem-solving mindset.
If both interviews go well, we’ll match you with a project aligned with your skills and expectations. You’ll then meet the client – this is where the final project-related decision is made.
Based on feedback and your preferences, we’ll prepare an offer tailored to your experience. We’ll agree on the project, salary, type of contract, and your start date.
We start with a short phone conversation to get to know each other. We’ll talk about your experience, career goals, and motivation, while giving you a chance to learn more about Jit Team and the role.
Depending on the role, you’ll complete a short recruitment task to showcase your skills. We’ll also verify your English language proficiency as part of this stage.
Next, you’ll meet your future Team Leader at our office. We’ll discuss your experience, ways of working, and how your skills match the role, while giving you a better understanding of the team and day-to-day collaboration.
If we’re a good match, we’ll prepare an offer tailored to your experience. We’ll agree on the salary, type of contract, and your start date. Welcome to Jit Team!
Benefits
We believe a great workplace is more than a set of benefits. It’s about trust, long-term relationships, and an environment where people can do their best work.
Jit Academy
Share and gain experience. Jit Academy is a platform serving a mutual 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 a variety 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 a fleet of jet skis and kites located at the beach in Chałupy.
Recommendations program
Would you recommend any IT specialist we could hire? Share the contact and gain a bonus if we hire them.
Flexible work hours
Start the day without haste.
At Jit, we begin and finish the day of work within a certain 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
Up-to-date equipment
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.
English lessons
Classes conducted for small groups, lectured
by our teachers, guarantee rapid results.
Private healthcare
Take care of your wellbeing. Members of Jit Team, gain access to a wide range of medical plans provided by Medicover or PZU.
Gym membership card
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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