Remote Senior Mobile Developer (Kotlin, React Native or Swift) Job at MAS Global Consulting
Colombia
3 hours agoJob Overview
MAS Global Consulting is hiring a remote candidate for Senior Mobile Developer (Kotlin, React Native or Swift). This is a full time position. Work location: Colombia.
The role typically involves technologies such as React, Python, Kotlin, Swift, Rust, AWS.
This role involves building user interfaces using technologies such as React, react native.
Key Responsibilities
- Design and build mobile-first consumer experiences and supporting APIs that power growth, personalization, and experimentation across the mobile app.
- Own well-scoped features end to end , from technical design and implementation through testing, launch, and iteration in production.
- Partner closely with Product Managers, Designers, Data Scientists, and Analytics to translate growth strategy into intuitive, high-impact mobile experiences.
- Contribute to architectural decisions that ensure scalable, reliable, and maintainable systems supporting mobile surfaces.
- Write clear technical documentation and design proposals to support effective asynchronous collaboration.
- Uphold high engineering standards around performance, security, observability, testing, and reliability , especially for customer-facing mobile features.
Required Skills
Primary Skills
- React
- Python
- Kotlin
- Swift
- Rust
Secondary Skills
- AWS
- ios
- react native
- javascript
Skills required for this role include React, Python, Kotlin, and related tools for day-to-day development.
Job Details
- Employment Type: Full Time
- Location: Colombia
- Salary: $25000 – $40000 USD
Tech Stack
React, Python, Kotlin, Swift, Rust, AWS, ios, react native, javascript
Role details
Who We Are
At MAS Global Consulting, we are a premium digital engineering partner trusted by innovative startups and Fortune 100 companies, delivering high-impact solutions through agile delivery, deep technical expertise, and a strong people-first culture across the Americas.
We build long-term partnerships, not just software. MAS means “more” in Spanish, and that mindset drives our commitment to greater opportunity, inclusion, and impact.
Founded by a Latina engineer from Medellín and headquartered in Tampa, Florida, MAS Global Consulting is a 100% Hispanic and woman-owned company, recognized as a Great Place to Work and one of the Fastest-Growing Companies in the US. Who You Are
You’re a Senior Mobile Developer with strong experience building mobile consumer experiences in production. You thrive in ambiguous problem spaces, operate with a high degree of autonomy, and enjoy owning features end to end.
You’re comfortable collaborating closely with Product, Design, and Analytics, shipping polished, customer-facing experiences, and making pragmatic technical decisions that balance speed, quality, and scalability. This is a hands-on individual contributor role with no people management responsibilities.
What You’ll Do
What You Bring
5+ years of experience building and shipping mobile consumer experiences in production environments (or equivalent depth).
Proficiency in iOS (Swift), Android (Kotlin), and/or React Native, with experience maintaining production mobile applications.
Exposure to cloud-based systems (e.g., AWS) and how mobile features are built, deployed, and operated at scale.
Proven ability to independently deliver complex, user-facing features with a high bar for polish, performance, and reliability.
Solid understanding of how mobile clients integrate with backend services, including APIs, data modeling, error handling, and service reliability.
Experience collaborating closely with Product and Design to translate strategy into high-quality mobile features.
Experience owning end-to-end features spanning mobile clients and supporting backend services.
Familiarity with backend technologies such as Python, Kotlin, or similar, in support of mobile experiences.
Comfortable working in a remote, async-first, cross-functional environment, and able to ramp quickly in an existing mobile codebase.
Ability to move fast, make pragmatic technical decisions, and deliver meaningful impact within a short-term engagement.
English proficiency at B2 level or higher.