.
Senior Software Engineer (Full-stack Mobile iOS)
  • Kraków
Senior Software Engineer (Full-stack Mobile iOS)
Kraków, Kraków, Małopolskie, Polska
HAYS POLAND Sp. z o.o.
25. 1. 2026
Informacje o stanowisku

Your new company 

You will join a fast‑growing international technology organization that develops advanced smart‑security and IoT solutions used by millions of customers worldwide. The company combines the agility of an entrepreneurial environment with the scale and stability of a global industry leader. Its newly established engineering hub in Krakow focuses on delivering high‑quality mobile and backend features that enhance the customer experience across a large, cloud‑based platform.

Your new role 

As a Senior Software Engineer (Full‑stack Mobile iOS), you will design, implement, and maintain high‑quality features across both native iOS applications and backend services. You will collaborate closely with product managers, designers, and fellow engineers to deliver intuitive, reliable, and scalable customer‑facing solutions. Your work will span multiple layers of the stack, from Swift/Objective‑C on the mobile side to C# on backend services. You will also contribute to code reviews, testing, documentation, and continuous improvement initiatives.

What you'll need to succeed 

  • 5+ years of professional software development experience
  • Strong hands‑on experience building native iOS applications (Swift or Objective‑C)
  • Solid backend development experience in C# and/or Java
  • Familiarity with relational databases (SQL Server, PostgreSQL, or similar)
  • Strong understanding of software engineering fundamentals, algorithms, and design patterns
  • Experience with Git and CI/CD pipelines
  • Ability to collaborate effectively with cross‑functional teams
  • Proficiency in English and strong communication skills
  • Passion for building performant, reliable, and user‑friendly applications
  • Nice to have: experience with React Native, Android (Kotlin/Java), cloud technologies, Kafka, microservices, or automated testing

What you'll get in return 

  • Opportunity to work on products used by millions of customers globally
  • Collaboration with highly skilled engineers who value excellence and knowledge sharing
  • Hands‑on experience with real IoT devices and modern mobile/backend technologies
  • A chance to grow as a full‑stack mobile engineer while working closely with product, design, and leadership teams
  • Empowerment to take ownership of your work and influence technical decisions
  • Long‑term employment based on a permanent contract
  • Attractive benefits package including medical care, life insurance, sports card, and an annual professional development budget
  • A modern office environment with a culture that encourages innovation, teamwork, and continuous learning

What you need to do now 


If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.



Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


    98 926
    14 772