React Developer
PYG 26,470,000 – PYG 39,700,000 / mth base salary
Posted 5 Jan 2026
Advertised as “Lead React Developer, Tietoevry Create (m/f/d)”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 5+ yrs
- Management level
- People management
- Employment
- On-Site
- Contract
- Full-time
| Base salary | PYG 26,470,000 – PYG 39,700,000 / mth |
|---|
Job Description
About the company
MentorMate creates durable technical solutions that deliver digital transformation at scale by blending strategic insights and thoughtful design with brilliant engineering. With mature and established practices in enterprise web and mobile development, quality engineering, technical architecture, human-centered design, cloud, DevOps, data, and analytics, the company provides challenging careers in a friendly and global people-oriented environment. We value every team member and share our success through flexible working models, competitive pay and benefits, and advancement opportunities.
As part of global technology company Tieto Tech Consulting, MentorMate enables people to work on impactful, global projects for recognizable brands and grow their careers in a team of over 10,000 experts.
About the role
We are seeking a highly skilled Lead React Engineer to join our team. The ideal candidate will have deep experience in mobile development, particularly with React, and a strong ability to troubleshoot and resolve complex issues, especially those involving third-party libraries and native integrations. This role requires excellent communication skills, a proactive mindset, and the ability to support and mentor less experienced engineers.
Responsibilities
-
Develop, maintain, and optimize mobile applications using React and React Native.
-
Collaborate closely with backend, product, and design teams to create well-integrated features.
-
Provide architectural guidance and technical leadership, establishing clean boundaries, modularization, and scalable feature structures.
-
Break down complex projects into simple, step-by-step plans.
-
Support teammates by reviewing code, sharing knowledge, and helping unblock technical issues.
-
Work across mobile and web when needed, contributing to overall platform quality.
-
Participate actively in continuous improvement across tooling, testing, and development practices.
Requirements
-
5+ years of experience in both mobile and web development, with a strong focus on React.
-
Proven ability to identify, debug, and resolve complex issues quickly and effectively.
-
Experience with Typescript, React Navigation, native modules (iOS/Android).
-
Experience with test tools: , , . Able to mock complex integrations and know when to use unit vs integration tests.