Job Title: Senior React Native Mobile Developer

Company Name: Sigmoid

Job Details: RemoteFull,Time

Job Url: https://hiring.cafe/viewjob/94e2vxzpp30l6psp

Job Description: Posted 2w agoSenior React Native Mobile Developer@ SigmoidView All JobsWebsiteMexico or ColombiaRemoteFull TimeResponsibilities:Architecture ownership, Release governance, Delivery velocity enablementRequirements Summary:7+ years software engineering; 4+ years React Native; mobile architecture; CI/CD; backend Java integration; performance optimization; debugging production issues.Technical Tools Mentioned:React Native, Java, CI/CD, Mobile performance tools, Observability and crash analytics
Location: Mexico / Colombia (Colombia preferred for Global Program)
Engagement: Full-Time 
Reporting into: Product Engineering Leadership 
Role Summary 
We are hiring a Mobile Technical Lead to anchor a global mobile delivery program focused on scaling feature velocity, improving release quality, and establishing strong version governance. 
This role will own mobile architecture decisions, integration strategy with Java backend systems, and release discipline across multiple geographies. 
This is not just a coding role — it is a delivery maturity role. 
Key Responsibilities 
Architecture Ownership 

Define scalable React Native architecture 
Establish modular component structure 
Define API integration contracts with Java backend teams 
Ensure environment-based configuration and version control governance ● Prevent codebase fragmentation across markets 

Release & Quality Governance 

Implement structured CI/CD pipelines 
Define regression testing strategy 
Establish release readiness checklists
Design rollback strategies 
Reduce post-release instability 

Delivery Velocity Enablement 

Improve sprint predictability 
Introduce feature flag strategy 
Help product team assess complexity early 
Enable rapid 1–2 week test cycles 

Multi-Version Control 

Ensure “single source of truth” mobile codebase ● Avoid region-specific forks 
Create upgrade paths for new features 

Cross-Regional Leadership 

Work across Mexico, Colombia, US & India teams ● Mentor regional engineers 
Establish documentation discipline 
Drive knowledge redundancy to avoid SPOF 

Required Skills 

7+ years software engineering experience 
4+ years React Native (production scale) 
Strong understanding of mobile architecture patterns ● Experience integrating with Java-based backend systems ● Experience with CI/CD (mobile pipelines) 
Experience with mobile performance optimization ● Strong experience debugging complex production issues 

Strongly Preferred 

Experience scaling apps across multiple markets ● Experience with consumer mobile products 
Familiarity with distributed team delivery
Experience with observability and crash analytics tools ● Prior experience acting as Technical Lead 

What Success Looks Like 

Stable, scalable mobile platform 
Increased feature throughput 
Reduced regression loops 
Clear version governance 
Predictable global release cadence