Senior Software Engineer

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

You will design, develop, and support robust front-to-back trading systems, enabling efficient risk management and electronic trading for commodities and FX products. Working closely with global stakeholders, you will build solutions that demand high availability, low latency, and enterprise-level scalability.

Our team operates in an agile model, collaborating with the business and leveraging market-leading technologies to deliver platforms optimized for performance and resilience.

Sounds like your kind of challenge?

What you’ll be doing

Develop and support front-to-back trading systems, covering client portals, order management, and execution platforms.
Deliver cross-product Front Office solutions for trading and risk management in Commodities and FX.
Enhance and maintain electronic trading applications designed for low latency and high throughput.
Implement real-time risk management capabilities across trading workflows.
Ensure reliability, robustness, and scalability of Java-based services in production.
Lead or own the delivery of Java service modules, supporting continuous improvement and innovation.

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

What you get in return

Flexible cooperation model – choose the form that suits you best
(B2B, employment contract, etc.)
Hybrid work setup – 2 days on site per week
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

5+ years of hands-on Java back-end development experience.
Strong expertise in HTTPS, RESTful APIs, microservices, and messaging queues (MQ).
Solid understanding of high-availability service architectures.
Proficiency in SQL and experience with at least one mainstream database (PostgresSQL or Sybase), including basic performance tuning.
Experience leading or owning the delivery of Java-based services.
Excellent English communication skills for collaboration and stakeholder engagement.
Strong analytical thinking, problem-solving, and ability to perform under pressure.
Passion for technology, self-driven to learn and specialize in technical domains.

Nice to Have:

Experience with production support for critical systems.
Familiarity with Agile development practices, CI/CD pipelines.
Knowledge of FX and Commodities trading workflows, trade life cycle, and post-trade processes.

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.

Senior Software Engineer

Kraków

B2B

1400 - 1700 PLN/MD net + VAT

Apply for position

I will handle your recruitment

Klaudia Józefowicz

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.