At a Glance
- Tasks: Design and develop engaging mobile apps that bring LEGO experiences to life.
- Company: Join the LEGO Group, a leader in creativity and innovation.
- Benefits: Enjoy flexible work, family care leave, and generous discounts from day one.
- Other info: Collaborative environment with a commitment to diversity and children's rights.
- Why this job: Make a real impact on children's play experiences while working with cutting-edge technology.
- Qualifications: Experience with Unity or similar frameworks and strong software engineering skills required.
The predicted salary is between 60000 - 80000 £ per year.
Overview
Want to build the digital play experiences that bring LEGO products to life?
This role helps ensure that strong mobile engineering becomes a foundational capability across our portfolio rather than something solved app by app.
By driving architecture, improving development practices, and supporting both modern cross-platform and legacy applications, you’ll give the team the technical strength to move faster and build with confidence.
Your work will directly support the broader organization’s ambition to deliver high-quality digital play experiences that children love and families trust.
Responsibilities
- Design, architect, develop, and maintain scalable cross-platform mobile applications for LEGO consumers.
- Lead technical decisions on app architecture, code structure, and platform strategy to support long-term scalability and maintainability.
- Maintain and evolve legacy Unity applications by delivering new features and supporting upcoming LEGO products and experiences.
- Partner closely with UI/UX designers to deliver world‑class user experiences with high attention to quality, usability, and visual detail.
- Ensure high engineering standards across code quality, testing, automation, release processes, and application reliability.
- Collaborate with Quality Assurance and Consumer Service teams to identify issues, improve app performance, and enhance customer satisfaction across multiple products.
- Mentor and support other engineers on architectural patterns, scalable development practices, and modern cross‑platform frameworks and tools.
Requirements
- Hands‑on production experience with Unity or a similar cross‑platform mobile app framework (Flutter, React Native, KMP, etc.).
- Strong software engineering fundamentals, including architecture, object‑oriented design, testing, debugging, and performance optimization.
- Proven experience designing scalable, maintainable application architecture for consumer‑facing mobile apps.
- Experience working with legacy codebases and modernizing existing applications while maintaining stability and compatibility.
- Ability to collaborate effectively across engineering, QA, design, and product teams to deliver high‑quality user experiences.
- Strong understanding of code quality practices, automated testing, CI/CD, and release processes for mobile applications.
- Significant software engineering experience, with substantial experience developing mobile or cross‑platform consumer applications.
Benefits
- Family Care Leave
- enhanced paid leave options for important times.
- Insurances
- life and disability insurance coverage for all colleagues.
- Wellbeing
- resources and benefits to nurture physical and mental wellbeing, plus opportunities to build community and inspire creativity.
- Colleague Discount
- eligibility for generous discounts from day 1.
- Bonus
- rewards through a bonus scheme when goals are reached and eligibility applies.
- Workplace
- assigned primary workplace location with hybrid work policy (average 3 days per week in the office).
The LEGO Group is highly committed to equal employment opportunity and equal pay and seeks to encourage applicants from all backgrounds (sex, gender identity or expression, race/ethnicity, national origin, sexual orientation, disability, age, and religion) to apply for roles in our team.
The LEGO Group is fully committed to Children’s Rights and Child Wellbeing across the globe.
Candidates offered positions with high engagement with children are required to take part in Child Safeguarding Background Screening, as a condition of the offer.
Thank you for sharing our global commitment to Children’s Rights.
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Senior Software Engineer (Mobile app) employer: the LEGO Group
The LEGO Group is an exceptional employer, offering a dynamic and inclusive work culture that prioritises creativity and personal development. As an eCommerce Key Account Manager, you will thrive in a supportive team environment, with access to comprehensive benefits such as enhanced family care leave, wellness initiatives, and a generous colleague discount. With a commitment to diversity and equal opportunity, this role not only allows for professional growth but also fosters a sense of belonging within a globally recognised brand.
