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Junior Fullstack Developer
Location
Portugal
Posted
3 days ago
Salary
0
Seniority
Junior
Job Description
Junior Fullstack Developer
Alongside
• Develop and maintain web applications using Next.js, React, and TypeScript • Build responsive and user-friendly interfaces using Tailwind CSS • Support backend development and API integrations using Node.js • Work with Supabase for database management, authentication, and storage • Assist in designing and implementing new features across the full stack • Write clean, maintainable, and well-documented code • Troubleshoot bugs and support ongoing improvements to existing applications • Collaborate with developers, product teams, and designers throughout the development lifecycle • Participate in code reviews and follow development best practices • Help ensure application performance, reliability, and security
Job Requirements
- 1–3 years of professional experience in Full-Stack, Frontend, or Backend development
- Experience with React and Next.js
- Good knowledge of TypeScript and modern JavaScript
- Experience building responsive interfaces with Tailwind CSS or similar frameworks
- Basic to intermediate experience with Node.js
- Familiarity with databases and backend integrations
- Experience working with Supabase is a plus
- Understanding of REST APIs and client-server architecture
- Familiarity with Git and collaborative development workflows
- Must be legally residing in Portugal
Benefits
- Opportunity to work with modern technologies and frameworks
- Collaborative and supportive team environment
- Career growth and continuous learning opportunities
- Exposure to innovative projects and emerging technologies
- Flexible working environment
- International and dynamic team culture
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Senior Software Engineer
GroundTruthGroundTruth is an advertising platform that turns real-world behavior, including location and purchase data, into market
- Develop and maintain hands-on, customer-facing full-stack applications using Python / FastAPI / REST APIs and modern front-end frameworks. - Operate as an agentic software engineer—decomposing problems into tasks that AI coding agents can execute, then reviewing, testing, and validating all agent-generated output. - Collaborate with management, stakeholders, and the team to evaluate, plan, and deliver projects involving advertising software systems, components, and features. - Contribute to a culture of transparency by maintaining clear documentation, structured processes, and effective communication—including the prompts, context (AGENTS.md), and MCP configuration that make AI agents productive. - Write production-ready front-end and back-end code integrated with a continuous delivery and deployment pipeline on AWS. - Participate in and improve team Agile practices—supporting learning, growth, and technical maturity. - Create and maintain various ingestion and data pipelines for the GroundTruth platform. - Build the infrastructure required for optimal extraction, transformation, and loading of data from a wide variety of data sources using SQL and AWS ‘big data’ technologies. - Contribute ideas to improve the platform and the team’s use of AI-assisted development.



