Senior Full Stack Engineer (Front End)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on global cybersecurity, targeting enterprise-level applications. Technologies used include HTML, CSS, JavaScript, React, AngularJS along with REST APIs and microservices. Key responsibilities involve developing and testing UI features, building components, backend integration, and enhancing user experience within an Agile DevSecOps framework. The offer includes a hybrid work model and comprehensive healthcare and sports benefits.

you can start ASAP

Senior Full Stack Engineer (Front End)

Company: Mindbox Sp. z o.o.

from: 18 May 2026
to: 17 June 2026
32 000 - 36 000net (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

HTML
CSS
JavaScript
React

Optional technologies

Angular.js
Figma
Sketch

Operating system

Windows

Our requirements

  • 5+ years of experience in front-end development roles
  • Proficiency in HTML, CSS, JavaScript, React, and associated frameworks (AngularJS desirable)
  • Strong understanding of responsive and adaptive design principles
  • Experience delivering modern SPA (Single Page Applications)
  • Familiarity with DevOps concepts and CI/CD pipelines
  • Experience consuming RESTful APIs and working with microservice architectures
  • Effective communication skills with ability to work in global Agile teams
  • Excellent problem-solving and interpersonal skills
  • Strong analytical mindset and willingness to take ownership of design and technical problems

Optional

  • Experience creating UX/UI design assets, wireframes, and prototypes using Figma, Sketch, or similar tools
  • Knowledge of graphic/UI design principles
  • Experience on complex web-based financial applications or cybersecurity tools built in React
  • Understanding of design systems and front-end performance optimization

Your responsibilities

  • Develop and test new UI features for enterprise-level cybersecurity applications
  • Translate UX designs and wireframes into functional code using modern web technologies
  • Ensure responsiveness, scalability, and optimal performance of web applications
  • Build modular and reusable UI components and libraries for future use
  • Develop and maintain interactive prototypes (low- and high-fidelity) to validate design concepts
  • Contribute to design systems and shared frameworks to maintain brand and UX consistency across platforms
  • Collaborate with product owners, business stakeholders, and engineers to align UI solutions with business requirements
  • Validate user input and integrate front-end with backend services via REST APIs and microservices
  • Support continuous testing and feedback loops to optimize user experience based on real-world metrics
  • Promote Design Thinking principles across teams and integrate UX best practices into the Agile workflow
  • Note: Detailed project information will be shared during the recruitment process.

About the project

You will design, develop, and enhance responsive, user-centric applications within a global cybersecurity context. You’ll be part of an Agile DevSecOps team, collaborating with other UI developers, UX specialists, product owners, and software engineers to improve user experience through innovation, design thinking, and first-class engineering practices.
This role offers a unique opportunity to impact the security posture of one of the largest financial institutions in the world by enabling better visibility and faster vulnerability remediation across the enterprise.
Sounds like your kind of challenge?

This is how we organize our work

This is how we work

at the client's siteagile

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
  • DevOps
  • issue tracking tools
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.
Company

What we offer

  • Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)
  • Hybrid work setup – 6 days per month from the office
  • 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

Benefits

  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of professional training & courses
  • life insurance

Mindbox Sp. z o.o.

At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.
Senior Full Stack Engineer (Front End)
32k–36k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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