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Location
Hybrid
Seniority
Senior · 7+ years exp

Confirmed on the employer's own hiring board on Oct 1, 2026. First seen by Alion on Sep 30, 2026.

Overview
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Impact
Profile match
Mindbox is a technology company that builds customer data and marketing automation platforms for retailers, financial institutions and consumer brands. Its products unify customer records across sales channels, run loyalty programmes and personalised campaigns, and increasingly apply machine learning to segmentation and next-best-offer decisions rather than leaving marketers to define rules by hand. Operating from Warsaw and serving clients across central and eastern Europe, it competes with the marketing clouds of the large enterprise software vendors by offering deeper local integration and a lower implementation burden.

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

Join Our Client as a Fullstack Engineer!

We are looking for a highly skilled Fullstack Engineer to design, develop, and deliver scalable applications using .NET and React technologies. If you are passionate about great design, coding standards, and DevOps automation - this is your opportunity to join a high-performing technology team.

Sounds like your kind of challenge?

#LI-Hybrid - 6 days per month in the office in Kraków

Responsibilities

  • Flexible cooperation model
  • Hybrid work setup - 6 days per month in the office in Kraków - remote days available depending on the client’s arrangements
  • 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

Requirements

  • Implement solutions following established design patterns and engineering best practices.
  • Analyze business and technical requirements and propose effective improvements.
  • Lead UI/UX enhancements to improve usability and application stability.
  • Engage in DevOps automation and drive improvements in CI/CD lifecycle.
  • Manage changes according to service management lifecycle principles.
  • Participate in software architecture design and contribute to prototype development.
  • Deliver exceptional customer support by troubleshooting and resolving issues efficiently.
  • Collaborate and communicate effectively with technical and business stakeholders.

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

Benefits

  • 7+ years of professional experience in production application development within the .NET ecosystem.
  • Strong C# and Web API development expertise; knowledge of secure and scalable backend services.
  • Hands-on experience with React for building interactive and high-performance web interfaces.
  • Strong database design and SQL skills, particularly with SQL Server (T-SQL, query optimization, performance tuning).
  • Experience in DevOps, including continuous integration, deployment, and monitoring practices.
  • Solid understanding of the Software Development Lifecycle (SDLC) - from requirements gathering to production deployment and maintenance.
  • Analytical mindset and exceptional problem-solving skills, with a keen eye for code quality and performance.
  • Fluent English (spoken and written) required; Polish language proficiency is an advantage.

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

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