Senior Software Engineer (Kotlin)
Offer summary

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

The project involves scalable e-commerce applications for a global fitness and wellness company. Technology stack includes Kotlin, Java, Spring with AWS components. Responsibilities cover architecture design, performance optimization, and code development. Tasks also include collaborating with product and technical teams and ensuring code quality and automation. Benefits include private medical care, Multisport, MacBook Pro.

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Senior Software Engineer (Kotlin)

Company: Motife Sp. z o.o.

from: 28 June 2026
to: 28 July 2026
23 000 - 30 000gross/ mth.contract of employment (full-time)
Salary details
basic salary
Offer parameters
level:mid • senior
working mode:hybrid
Warszawa, Wola
Warszawa, WolaGrzybowska 60View on map

Requirements

Expected technologies

Kotlin
AWS
Spring Boot
Java

Operating system

macOS

Our requirements

  • 6+ years of professional software development experience with production systems.
  • Strong proficiency in Kotlin and modern backend development ecosystems.
  • Solid understanding of agile, lean, and DevOps principles and their practical application.
  • Strong interpersonal skills with empathy for engineers, customers, and stakeholders.
  • Excellent communication skills, with fluent English, enabling clarity and alignment across teams.
  • Passion for technology, elegant code, and innovative problem-solving.

Your responsibilities

  • Own the architecture, scalability, and performance of e-commerce applications as a senior technical expert.
  • Design and develop clean, maintainable, and high-performance systems following best practices.
  • Contribute directly to the codebase and actively participate in technical discussions, proposing robust solutions.
  • Work closely with Product, Design, UX, and Program Management to deliver roadmap objectives.
  • Help identify dependencies and remove technical blockers across engineering and partner teams.
  • Promote engineering efficiency through automation, reuse, and modern design patterns.
  • Support defining and analysing technical KPIs that contribute to continuous improvement.
  • Champion code quality through code reviews, technical documentation, and knowledge-sharing activities.

About the project

We are hiring on behalf of our client, a global innovator in fitness and wellness technology. Their mission is to empower people to live fit, strong, long, and happy lives by delivering integrated experiences to millions of members anytime, anywhere.
As a Software Engineer (with Kotlin), you will be a key member of a cross-functional team, responsible for designing, developing, and maintaining scalable e-commerce applications. You will leverage your expertise in Kotlin to deliver high-quality, efficient, and reliable solutions. Additionally, you will share your knowledge with team members and contribute to the technical standards of the projects.
Key takeaways:
Stack: Java/Kotlin, Spring, nice to have: AWS
Working model: Hybrid - 3 days/week from the office

This is how we organize our work

This is how we work

in houseyou develop several projects simultaneouslyyou have influence on the technological solutions appliedyou have influence on the productyou focus on product developmentagile

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
  • DevOps
If you’re excited about building developer platforms that scale, empower teams, and set new standards for engineering excellence, we’d love to hear from you. Apply via our careers page and please submit your CV in English.
Company

What we offer

  • 100% paid medical care
  • Multisport
  • Creative tax (KUP)
  • Home office allowance
  • MacBook Pro

Benefits

  • private medical care
  • life insurance

Recruitment stages

  • 1.
    A call with MOTIFE Recruiter
  • 2.
    Panel interviews with the team
Senior Software Engineer (Kotlin)
23k–30k zł / mth. (CoE)
I apply to:
Motife Sp. z o.o.
Warszawa, Wola
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