Senior Full-Stack Engineer (React Native / Node.js)

Remote, Denmark


NodeJS


JavaScript


React Native


PostgreSQL


GraphQL


Fully Remote


Full Time


Senior Full-Stack Engineer (React Native / Node.js)


This position only accepts candidates from North Macedonia


Overview


Position Level:
Senior


Client Industry:
Consulting


Client:
Sentiance (Time-Limited)


Position Highlights

Sentiance is an intelligence-driven data science and behavior change company. We turn motion data into contextual insights and use behavioral change techniques to personalize engagement for safer and sustainable mobility and wellbeing experiences. Sentiance empowers the world's leading companies to create personalized engagement services andproducts through intelligent contextual recommenders, delivering technology for a new human-centric economy where the user is in control of data.


Sentiance is a data science and behavior change company developing an engagement and personalization platform. It leverages a device location, accelerometer, and gyroscope and delivers signal processing, motion analytics (transport mode classification, venue mapping, map matching, home/work detection, semantic time modelling), unsupervised learning of temporal routines and expected behavior, deep learning to predict expected events, and other capabilities. The platform enables brands to create personalized engagement services and products through contextual recommenders.


Location


Remote, Denmark


Responsibilities

At Sentiance, a Senior Full Stack Engineer will be responsible for clean code, scalable apps and APIs. You will be contributing to a large tech stack as part of a cross-functional team.


As a Senior Full Stack Engineer specializing in react native you will take a leading role in developing scalable, high-performance mobile and web applications and work closely with product managers, and engineers to deliver seamless userexperiences.


Key Responsibilities:

- Lead the architecture, development, and deployment of React Native applications for iOS and Android platforms.

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- Manage/maintain/develop Sentiance white-label app platform.
- Build and maintain mobile applications and their backends using Node.js and Golang.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Optimize performance and responsiveness of applications across devices and platforms.
- Mentor junior developers and support team knowledge sharing and best practices.
- Participate in system design and architecture discussions to make scalable technical decisions.
- Troubleshoot and debug complex issues across the stack.
- Manage the full mobile release lifecycle, including TestFlight, App Store, and Google Play Store submissions.
- Ensure mobile builds are stable, optimized, and follow platform guidelines for review and release.

Qualifications


Technical Requirements (Must Have):

- 5 to 6 years of professional software development experience.
- 2+ years of experience building and maintaining mobile apps with React Native.
- Strong experience with backend development using Node.js, Express, or similar technologies.
- Experience with creating and integrating GraphQL and REST endpoints.
- Managing app stores and app submissions on both the Apple App Store and Google Play Store.
- Experience with databases such as PostgreSQL or similar.

Technical Requirements (Good to Have):

- Experience with native mobile development (Swift, Objective-C, Kotlin, or Java) for custom modules.
- Experience building offline-first mobile apps with background sync and local caching.
- Familiarity with product analytics and observability tools like Datadog.
- Familiarity with localization support for apps.

Soft Skills Requirements:

- Being curious and open to challenges
- Own initiatives and be self-driven
- Good communication
- Fluent in English

Education


Bachelor’s degree in computer science, Information Technology - or other related fields

Traveling

Nothing specific at the moment


Why join us?

We recognize your unique combination of hard and soft skills, understanding that you bring more to the table than just technical expertise. We are committed to finding opportunities that align with your professional goals and values, ensuring a perfect match with your individual DNA and the cultural environment you thrive in. We offer you the opportunity to align your expertise with challenges and teams that resonate with your skills and aspirations, similar to those navigated by global tech leaders. INSCALE consists of seasoned tech professionals that comprehend your motivations and are committed to maximize your full potential towards a gratifying career trajectory.


Work with the best


We foster diversity and inclusion. You will be surrounded by colleagues who are friendly, professional and passionate about their work.


Meaningful Work


We empower our employees to do work that matters and give our people autonomy to do their best work.


International Collaboration


You will be working in an international and diversified environment with opportunity for professional and personal development.


INSCALE Community


We make it a point to take time away from our busy schedules for culture building activities such as casual or tech meet-ups, group outings to celebrate victories, birthdays and festive parties.


Work-Life Balance


To help our employees strike a healthy balance between their jobs and other aspects of their lives, we offer a flexible working environment in all our global locations.


Centrally located office


Work within walking distance to the best restaurants, cafes and department stores with great transportation options close by.


Medical & Health Insurance


All employees are eligible for healthcare coverage which will vary from one location to another.


Ergonomic Workplace


We continually work on securing a safe and pleasant work environment. Our offices are designed to be inviting and encourage inspiration.


Paid Holidays and Sick Leave


Our vacation and holiday benefits give you a considerable amount of paid time away from work each year and may vary from one location to another.


Expat Guide & Relocation Assistance


We provide visa assistance and administrative support for relocating new employees which may vary from one location to another.


On-boarding


Our new employees get off to an optimal start by participating in our INSCALE onboarding program.


Competitive Package


We hire the most talented people, whom you would be proud to associate with and call your peers. We provide competitive salary packages and benefits. It's not a buffet, but your value is definitely honored.