Alongside partners with organizations to drive digital transformation and build high-performing tech teams.
We're building a real-time facility navigation and asset-tracking platform for industrial and logistics sites - GPS/BLE-based positioning, live forklift and asset overlays, zone/dwell analytics, and a driver-facing mobile app, backed by a distributed-systems (actor-model) backend.
The Role
We're looking for a Fullstack Engineer with a strong frontend focus to join the development of a real-time, data-driven platform.
Most of your work will focus on the React Native driver app, Mapbox GL JS features and the web-based admin portal, while also contributing to C#/.NET backend services when needed.
You'll work on interactive, real-time experiences involving live location, sensor and asset data, with a strong focus on performance and usability.
Responsibilities: Frontend (Primary)
- Build and maintain the React Native driver app: QR onboarding/consent flows, GPS/BLE data display
- Implement Mapbox GL JS features: live position overlays, zone/dwell visualization, realtime map layers
- Own frontend performance and reliability for realtime, sensor-driven UI
Responsibilities: Backend (Secondary)
- Build and maintain RESTful APIs and backend services in C#/.NET
- Support GPS/BLE positioning data ingestion pipelines
- Support telemetry ingestion and zone/dwell analytics processing
- Work within an actor-model distributed backend (built on Microsoft Orleans) designed by the tech lead
Requirements
- 2–5 years of professional software development experience;
- Strong experience with React and/or React Native, with solid knowledge of modern frontend development practices;
- Experience building interactive, data-driven user interfaces;
- Experience with Mapbox GL JS or other mapping/geospatial technologies such as Leaflet or Google Maps is highly valued;
- Experience consuming and integrating REST APIs;
- Comfortable working with real-time data, such as WebSockets, live updates, telemetry or similar;
- Some professional experience with C#/.NET, or a strong willingness to work with it as part of a fullstack role;
- Strong written and spoken English for daily collaboration with a distributed team.
Nice to Have
- Familiarity with distributed systems / actor-model concepts (e.g., Orleans, Akka)
- Experience with BLE positioning or beacon technology
- Background in industrial, logistics, or IoT/telemetry domains
- Security-conscious development practices (authentication, PII handling
Benefits
- Remote work (Vietnam-based)
- Estimated project duration: 19 weeks
- Full-time schedule: 8 hours per day, with mandatory availability for at least 4 hours
- Freelance / Service Agreement
- Hourly Rate: 12$-16$
Skills Required
- 2-5 years of professional software engineering experience
- Strong experience with React Native for mobile app development
- Strong experience with Mapbox GL JS or a comparable mapping/geospatial library such as Leaflet or Google Maps SDK
- Working proficiency in C# and .NET, including API design, services, and data pipelines
- Comfort working with realtime or streaming data, including WebSockets, telemetry, and sensor data
- Strong written and spoken English for daily collaboration with a distributed team
- Familiarity with distributed systems or actor-model concepts such as Orleans or Akka
- Experience with BLE positioning or beacon technology
- Background in industrial, logistics, or IoT/telemetry domains
- Security-conscious development practices, including authentication and PII handling
What We Do
Alongside | Build Great Products with Great Teams Alongside helps VC-backed start-ups, scale-ups and digital-first enterprises accelerate their roadmaps by assembling elite, time-zone-aligned teams of software engineers, product managers and UX/UI designers, often in under 14 days. Our Porto HQ sits in Europe’s fastest-growing tech hub and taps a vetted global talent pool that lets you ship faster, reduce burn and stay laser-focused on product-market fit. Why high-growth companies choose Alongside • Top 1 % practitioners: rigorously screened full-stack, mobile, blockchain & AI/ML engineers, plus senior designers and product leaders.  • Flexible engagement models: scale a single specialist, an entire squad, or an autonomous build-and-ship pod. • End-to-end ownership: discovery → design → development → launch, with weekly velocity reports and transparent KPIs. • Cost-efficient remote talent: New York, Porto, Pune & Hanoi offices give you round-the-clock progress without Silicon-Valley price tags.  • Proven track record: core Alongside team took Arkive, the world’s first decentralised museum, from idea to funded product. We helped Circuit Security to secure 4.5M in funding and many other startups.
