Senior Mobile/Web Engineer

Nix

Ukraine Remote permanent

Posted: February 23, 2026

Quick Summary

The Senior Mobile/Web Engineer is responsible for developing and maintaining the Backoffice Support Team's internal systems, including Zendesk and Postbox, and ensuring the smooth operation of these platforms. This involves designing and implementing custom integrations and workflows, as well as troubleshooting and resolving technical issues. The ideal candidate will have a strong technical background in mobile and web development, with experience in Zendesk and Postbox integration.

Required Skills

Job Description

N-iX is looking for a Senior Mobile/Web engineer to join our team.

The Backoffice Support Team (BST) owns the systems and tools used internally by our backoffice teams, including Customer Service and Operations, to manage customers and commercial partners. The team is responsible for the development, maintenance, and continuous improvement of internal support platforms and workflows.

This includes:
● Zendesk is the main ticketing system
● Postbox, the internal customer communication area
● Custom integrations with core systems and other internal services

BST plays a key role in enabling operational efficiency, ensuring that internal users have reliable, scalable, and well-integrated tools to handle customer and partner interactions effectively.

Technical Skills (Must-Haves):
Experience: University degree in Computer Science or related fields, or equivalent practical experience.

• At least 5 years as a React / React Native developer, with a strong record of delivering high-quality, performant mobile applications for iOS and Android platforms.

• Proficiency in React, React Native, React Hooks, Redux, Nx (or similar tools)

• Strong proficiency in TypeScript, JavaScript, CSS, and HTML.

• You have strong experience with React or similar Frameworks / Libraries

• Familiarity with CSS-in-JS like styled-components

• Experience with Next.js, Static Site Generators, the JAM-Stack, (headless-) Content Management Systems, and material-ui is a plus

• English level is at least Upper-Intermediate

Your Responsibilities
1. As an experienced Mobile and Web Frontend Engineer, you will be delighting the customers by working on our customer-facing (both web and mobile app) platform as well as building the internal tooling for Raisin’s operations teams
2. Together with your team, you will own the design, implementation, and deployment of our applications
3. Part of your responsibilities will be guiding features from their implementation through to testing, refinement, and finally launch
4. Working closely with our product UX team to fi nd practical and efficient solutions to complex problems is also part of your responsibilities
5. You are actively participating in an agile and collaborative process in a cross-functional team with end-to-end ownership
6. Finally, you are responsible for continuously improving your team as well as yourself

We offer*:

• Flexible working format - remote, office-based or flexible

• A competitive salary and good compensation package

• Personalized career growth

• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)

• Active tech communities with regular knowledge sharing

• Education reimbursement

• Memorable anniversary presents

• Corporate events and team buildings

• Other location-specific benefits

*not applicable for freelancers

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