Alongside

• Develop and maintain backend services and REST APIs using Node.js and TypeScript; • Design relational data models and work with PostgreSQL; • Build integrations with external platforms, services, and APIs; • Work with AWS services and cloud-based environments; • Contribute to architecture, security, scalability, and technical decisions; • Implement authentication, authorization, and data protection mechanisms; • Optimize application and database performance; • Develop asynchronous processes and event-driven workflows; • Contribute to deployments, monitoring, CI/CD, testing, and code quality; • Collaborate with product, frontend, design, and business teams.

Role Description We are looking for a Backend Developer to strengthen our internal technology team and support the continued development and evolution of our digital products and platforms. You will design and develop backend services, APIs, integrations, and data solutions. Working closely with product, frontend, design, and business teams, you will take ownership of technical solutions and help us build secure, scalable, and reliable products. What You’ll Work On - Develop and maintain backend services and REST APIs using Node.js and TypeScript; - Design relational data models and work with PostgreSQL; - Build integrations with external platforms, services, and APIs; - Work with AWS services and cloud-based environments; - Contribute to architecture, security, scalability, and technical decisions; - Implement authentication, authorization, and data protection mechanisms; - Optimize application and database performance; - Develop asynchronous processes and event-driven workflows; - Contribute to deployments, monitoring, CI/CD, testing, and code quality; - Collaborate with product, frontend, design, and business teams. Qualifications - At least 3 years of professional experience in backend or fullstack development; - Strong experience with Node.js and TypeScript; - Professional experience developing REST APIs and backend services; - Solid experience with PostgreSQL and relational data modelling; - Experience working with AWS or other cloud platforms; - Understanding of integrations, asynchronous operations, authentication, authorization, and application security; - Experience with Git, testing, clean code, and collaborative development workflows; - Ability to work autonomously, take ownership, and contribute to technical decisions; - Strong problem-solving, communication, and teamwork skills; - Good written and spoken English. Requirements - Hands-on experience with services such as Lambda, ECS, S3, RDS, API Gateway, SQS, or CloudWatch; - Experience with Supabase or similar platforms; - Knowledge of Docker, CI/CD, serverless, and event-driven architectures; - Experience with automated testing, monitoring, and infrastructure as code; - Previous experience in a product-driven, start-up, or scale-up environment; - Interest in AI-assisted development and AI integrations. Benefits - Modern technology stack and innovation-focused environment; - Continuous learning and professional development opportunities; - Remote working model based in Vietnam; - Freelance / Service Agreement; - Hourly Rate: 12$-16$. If you enjoy building digital products, taking ownership of technical challenges, and working in an environment where your contribution has a visible impact, we would love to hear from you.

Role Description We are looking for a detail-oriented LLM QA Contractor to join an AI validation project focused on improving the quality of Large Language Model (LLM) outputs. You will review photos and delivery instructions, compare them with AI-generated responses, and ensure outputs are accurate, complete, and aligned with established quality guidelines. Your feedback will directly contribute to developing safer and more reliable AI experiences. - Review AI-generated outputs against source images and delivery instructions. - Verify factual accuracy, completeness, and adherence to annotation guidelines. - Identify and classify issues such as hallucinations, missing information, incorrect interpretations, or policy violations. - Provide concise and structured feedback to support continuous model improvement. - Follow detailed Standard Operating Procedures (SOPs) and participate in calibration sessions. - Track your work using annotation tools and spreadsheets. - Escalate ambiguous cases or guideline gaps when needed. - Consistently meet quality, accuracy, and productivity targets. Qualifications - Excellent attention to detail and a structured, analytical mindset. - Previous experience in Content QA, Data Labeling, Trust & Safety, Content Moderation, or similar quality assurance roles. - Strong visual analysis and reading comprehension skills. - Comfortable working with web-based tools, spreadsheets, and annotation platforms. - Reliable, organized, and able to handle repetitive tasks while maintaining a high level of accuracy. - Strong written communication skills in English. - Able to handle confidential and user-generated content responsibly. Requirements - Remote: Work from anywhere. - Contract: Freelance / Service Agreement. - Initial duration: 90-day contract with the possibility of extension. - Schedule: Part-time (4 hours per day). - Weekly workload: The project has two main work peaks each week, on Mondays and Wednesdays. - Critical requirement: Every batch of photos must be reviewed within 36 hours. Meeting this turnaround time is essential. - Availability: No need to work during Portugal business hours. Only 1 hour of overlap is required for a brief team status update on Monday afternoon (Vietnam time) and Wednesday afternoon (Vietnam time). - Rate: USD 11/hour.

• Review AI-generated outputs against source images and delivery instructions. • Verify factual accuracy, completeness, and adherence to annotation guidelines. • Identify and classify issues such as hallucinations, missing information, incorrect interpretations, or policy violations. • Provide concise and structured feedback to support continuous model improvement. • Follow detailed Standard Operating Procedures (SOPs) and participate in calibration sessions. • Track your work using annotation tools and spreadsheets. • Escalate ambiguous cases or guideline gaps when needed. • Consistently meet quality, accuracy, and productivity targets.

Role Description We are looking for a Fullstack Developer to join our internal technology team and contribute to the development and evolution of our digital products and platforms. You will work across the full application lifecycle, from designing and implementing new features to improving architecture, performance, code quality, and reliability. You will collaborate closely with product, design, and business teams, taking ownership of technical solutions and helping us build scalable and user-focused products. What You’ll Work On - Develop and maintain modern web applications using React, Next.js, and TypeScript; - Design and implement APIs and backend services using Node.js; - Work with Supabase, including PostgreSQL databases, authentication, storage, and server-side functionality; - Translate product and business requirements into effective technical solutions; - Participate in technical decisions regarding architecture, integrations, data models, and scalability; - Integrate internal products with external platforms, services, and APIs; - Deploy, monitor, and maintain applications using platforms such as Vercel; - Ensure code quality through testing, code reviews, refactoring, and continuous improvement; - Identify and resolve performance, security, and reliability issues; - Contribute to CI/CD processes and development best practices; - Collaborate closely with product, design, and other stakeholders throughout the development lifecycle. Qualifications - At least 3 years of professional experience in fullstack or web application development; - Strong experience with JavaScript and TypeScript; - Hands-on experience with React and Next.js; - Professional experience developing APIs and backend services with Node.js; - Solid understanding of REST APIs, application integrations, and asynchronous operations; - Experience with relational databases, preferably PostgreSQL; - Understanding of authentication, authorization, and web application security principles; - Experience with Git and collaborative software development workflows; - Knowledge of clean code, testing, maintainability, and scalable application development; - Ability to work autonomously, take ownership, and contribute to technical decisions; - Strong problem-solving, communication, and teamwork skills; - Good written and spoken English. Requirements - Experience with Supabase or similar backend-as-a-service platforms; - Experience deploying and managing applications on Vercel or similar platforms; - Experience with AWS services and cloud-based environments; - Knowledge of Docker and containerized applications; - Experience setting up or maintaining CI/CD pipelines; - Knowledge of Supabase Edge Functions, Row Level Security, or real-time capabilities; - Experience with automated testing tools and frameworks; - Knowledge of serverless and event-driven architectures; - Previous experience working in a product-driven, start-up, or scale-up environment; - Interest in AI-assisted development and integrating AI capabilities into digital products. Benefits - Real ownership and involvement in technical and product decisions; - Modern technology stack and innovation-focused environment; - Collaborative team with close interaction between technology, product, design, and business; - Continuous learning and professional development opportunities; - Remote working model based in Vietnam; - Hourly Rate: 12$-16$.

• Build and maintain data pipelines that ingest real-time positioning and telemetry data from tracking hardware. • Design data models and schemas that support real-time event detection (e.g., correlating two tracked objects' positions to infer a pickup or handoff event). • Implement data quality checks, monitoring, and alerting to catch pipeline failures or data drift early. • Optimize pipelines for near-real-time processing at the latency the product requires. • Work with structured and semi-structured data coming from external hardware and API integrations. • Collaborate with software engineers to ensure data is accessible, reliable, and supports platform features. • Support deployment, monitoring, and troubleshooting of data pipelines in production.

• Build and maintain data pipelines that ingest real-time positioning and telemetry data from tracking hardware. • Design data models and schemas that support real-time event detection (e.g., correlating two tracked objects' positions to infer a pickup or handoff event). • Implement data quality checks, monitoring, and alerting to catch pipeline failures or data drift early. • Optimize pipelines for near-real-time processing at the latency the product requires. • Work with structured and semi-structured data coming from external hardware and API integrations. • Collaborate with software engineers to ensure data is accessible, reliable, and supports platform features. • Support deployment, monitoring, and troubleshooting of data pipelines in production.

Role Description We're looking for a mid-level Data Engineer to build and maintain the data infrastructure behind a real-time facility navigation and asset-tracking platform for industrial and logistics sites. The platform ingests live positioning and telemetry data from BLE-based tracking hardware, correlates it into events (e.g., asset pickups, movement, dwell time), and transforms it into reliable, actionable data for downstream applications and analytics. You'll be responsible for designing, building, and optimizing the data pipelines that power the platform, ensuring high data quality, scalability, and near-real-time processing. You'll work closely with other engineers on a small, fast-moving team. - Build and maintain data pipelines that ingest real-time positioning and telemetry data from tracking hardware. - Design data models and schemas that support real-time event detection (e.g., correlating two tracked objects' positions to infer a pickup or handoff event). - Implement data quality checks, monitoring, and alerting to catch pipeline failures or data drift early. - Optimize pipelines for near-real-time processing at the latency the product requires. - Work with structured and semi-structured data coming from external hardware and API integrations. - Collaborate with software engineers to ensure data is accessible, reliable, and supports platform features. - Support deployment, monitoring, and troubleshooting of data pipelines in production. Qualifications - 2–5 years of professional Data Engineering or Software Engineering experience. - Hands-on experience building and maintaining data pipelines (batch or streaming/ETL-ELT). - Solid SQL and relational database skills; comfort with event or time-series data is a plus. - Experience integrating with third-party APIs and webhooks. - Comfortable working with real-time or near-real-time data processing requirements. - Experience with a major cloud platform (Azure preferred). - Strong communication skills and comfort working in a small, cross-functional, fast-moving team. Nice to Have - Experience with geospatial or positioning data (GPS, BLE, RTLS). - Experience with message queues or event streaming (e.g., Kafka, Azure Service Bus). - Background in industrial, logistics, or IoT domains. Requirements - 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€.

• Design, build, and maintain backend services and APIs (C#/.NET) that power the platform's core business logic. • Implement and maintain the service layer for asset tracking, facility navigation, and event detection features. • Integrate with third-party positioning/telemetry providers and their APIs. • Define and evolve API contracts in collaboration with the frontend team (web admin portal and mobile app). • Write automated tests, participate in code review, and help keep the codebase maintainable as the platform grows. • Support deployment, monitoring, and troubleshooting of backend services in production.

• 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