Full Stack Engineer

Alongside

Full Stack Engineer developing React Native applications and Mapbox GL JS features at Alongside. Backend responsibilities include supporting APIs and real-time data ingestion for assets in logistics.

Posted 7/16/2026full-timeRemote • 🇵🇹 PortugalJuniorMid-Level💰 €31 - €33 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and maintaining mobile applications using React Native, along with proficiency in C#/.NET for backend services and API design. Strong capability in handling realtime data and implementing mapping features with Mapbox GL JS.

Highest-signal resume keywords

React Native Mobile App DevelopmentMapbox GL JS ImplementationC#/.NET API DesignRealtime Data ProcessingDistributed Systems Familiarity

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

React NativeC#.NETMapbox GL JSRESTful APIsTelemetry Data ProcessingGPS Data IngestionBLE TechnologyWebSocketsActor-Model Concepts

Soft Skills

Strong Written CommunicationStrong Spoken Communication

Tools & Technologies

Microsoft OrleansLeafletGoogle Maps SDK

Industry Keywords

Industrial DomainLogistics DomainIoTTelemetry

Tech Stack

Tools & technologies

AkkaDistributed SystemsIoTJavaScript.NETReactReact Native

About the role

Key responsibilities & impact

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**
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

What you’ll need

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 (Leaflet, Google Maps SDK)
Working proficiency in C#/.NET — API design, services, data pipelines
Comfort working with realtime/streaming data (WebSockets, telemetry, sensor data)
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

Comp & perks

**Remote work **(Portugal-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:** 31€ - 33€