Senior Mobile Engineer (Remote, based only in EU)

WorkNomads is seeking a Software R&D Engineer to join our diverse team, working remotely from the EU or from the WorkNomads office in Sofia, Bulgaria.
We are looking for an engineer with strong experience in mobile application development, with focus on Android and iOS development. The role is centered around building, maintaining, and scaling a modern mobile platform collaborating closely with backend, product, and design teams.
The ideal candidate combines strong mobile engineering expertise with additional:
product-oriented mindset and takes ownership of the full development lifecycle, from architecture and implementation to deployment;
security, and long-term maintainability
Strong understanding and experience with monitoring and analysis tools within Android and iOS related to user testing, analytics and system reviews

The R&D Development Engineer is responsible not only for delivering technically sound mobile solutions but also for ensuring that all systems meet high standards of security, reliability, and compliance. This includes designing:
secure integrations between mobile and backend systems
protecting sensitive user data
proactively managing vulnerabilities
embedding security best practices throughout the development lifecycle
Maintaining submission reviews and updates

In this role, the engineer takes technical ownership of the mobile platform and helps maintain consistency and quality within the team. Responsibilities include conducting code reviews, supporting other engineers, documenting technical decisions, and contributing to scalable and maintainable application architecture.
Requirements
The tools in your backpack:

4+ years of experience with Android/IOS native application development
Experience with mobile application architecture, performance optimization, and publishing workflows
Flutter/Dart knowledge
Python – Backend services, data processing, async programming, FastAPI
RESTful API design and implementation
Microservices architecture
Databases and data layers – PostgreSQL, MySQL, SQLite
Containers and deployment strategies and applications (Docker, Kubernetes, CI/CD pipelines)



Other nice-to-have tools:
AI integration and deployment
Django
WebRTC
MS Azure, Firebase, or other cloud systems
NoSQL databases



Benefits
Perks of being one of us:
Flexible work setup: work fully remotely from any country in the EU on a freelance/B2B contract, or join our Sofia, Bulgaria office under a local employment contract that offers a comprehensive social welfare package.
Autonomy: an environment where your technical vision matters, and you own your work-life balance.
Growth: a personalized career development program to fuel your journey; learn from experts, expand your craft, and work across industries.
Global vibe: an international, dynamic, remote-first workplace.
Connectivity Support: coverage for internet and phone bills (50 EUR gross).
Total Rewards: paid time off and competitive remuneration.
Community: team get-togethers and networking events are in our DNA!
Seamless Living: need a base? Digitally check into a spacious room at our WN LAB Hotel, Bulgaria’s biggest and coolest 4★ co-living hotel. No deposit, with special discounted rates for single apartments starting from 660 EUR/month (utilities & cleaning included!).
Be part of something beyond work: culture, values, impact.


How to Apply / What Happens Next:
1. Send us your CV by hitting the “Apply” button.
2. You will hear from one of our Global Talent Connectors within 5 business days with the next steps.
3. Meet us on MS Teams and tell us what excites you.
4. Next stage could be a test or a task - we want to see what you DO (not just what you say)
5. Along this journey and depending on the role you are applying for, prepare to meet either our Chief Talent Gaucho, your future leader or our Head Honcho!

Want to learn more? Check us out below: