ReactJs Full-stack Developer

Alts Digital

Location: Portugal
Job Type: full-time
Salary: €50k
Posted: May 24, 2025

Job Description

🧩 About Alts

Alts Digital is a fast-growing, bootstrapped group that builds digital ventures shaping how people engage with information, make decisions, and create value online. We specialize in guiding users to the best services for their needs, driving customer acquisition for leading brands in the iGaming and fintech sectors.

Based in Portugal and operating as a remote-first company, our diverse team of 50+ members from + 10 countries serves thousands of customers worldwide.

As founders, designers, adventurers, coders, parents, and animal lovers, we move fast, think ambitiously, and are passionate about building products that make an impact. We’re excited to welcome a new generation of developers to join our journey. 🚀

👩‍💻 What You’ll Be Doing

Apply your skills in coding by making all our websites Google Friendly.
Implement new features in our existing websites & devise proper technical solutions for them.
Keep up with new technological trends, present ideas for new implementations, any ideas to improve our current systems (or processes) will always be looked at.
Troubleshoot, detect and evaluate issues.
Devise appropriate solutions for new products within the existing constraints, and execute those solutions.
Work alongside one of our Lead Developers to support the technical development of our team, fostering a collaborative work environment to enhance overall team performance.

Job requirements

🛠 Must-Have Skills

At least 5 years working in Web Development
Based in Portugal (remote-friendly within the country)
Strong understanding of PHP back-end development
Proficiency in ReactJS, TailwindCSS, and Typescript
Experience with WordPress or Laravel, or at least willingness to learn both
Experience working with MySQL or other relational databases
Knowledge of how to interact with RESTful APIs and formats (JSON, XML)
Proficient understanding of code versioning tools such as Git
Excellent communication and teamwork skills but also the ability to work alone
Comfortable leveraging AI-powered tools (e.g. GitHub Copilot, ChatGPT, Claude, Cursor, etc.) to accelerate development, troubleshoot code, and boost productivity
Open mindset toward integrating emerging AI workflows into day-to-day tasks—from code generation and debugging to documentation.

🎁 Benefits You’ll Receive

100% remote startup environment with all its ups and downs. Mostly ups.
Salary: up to €50k per year, depending on your skill level, experience and location.
Workation — a mix of work and vacation. Once a year, we find a cool place to work and have fun together.
Alts Ville: We have a house in the stunning Madeira Island available for all employees who want to spend some time with friends, colleagues, and family 🏝️
Health Insurance. We value the well-being and health of our team. To ensure that everyone feels cared for, we offer Health Insurance 🏥
1.000€ / year - financial support in other areas of your life, e.g., professional development.
We offer a 100€ monthly voucher to use in co-working spaces. Working remotely doesn’t have to mean working from home every day.

🎯 Who is this job for?

This role suits a Mid-to-Senior Full-Stack Developer with 5+ years in web development, strong PHP backend skills, and proficiency in React.js, TypeScript, and TailwindCSS. The candidate should be comfortable working remotely within Portugal, building scalable web features, troubleshooting, and collaborating closely with lead developers. Familiarity with WordPress or Laravel, RESTful APIs, MySQL, Git, and AI-assisted coding tools is expected.

💬 Potential Interview Questions

Explain your experience with full-stack development using ReactJS and PHP.
I have 5+ years of experience building web applications with ReactJS on the frontend and PHP (Laravel/WordPress) on the backend, developing scalable, maintainable features and integrating REST APIs.
How do you ensure websites are Google-friendly and optimized for SEO?
I implement server-side rendering, meta tags, structured data, fast load times, and clean semantic HTML to improve search engine indexing and user experience.
Describe your experience with TailwindCSS and TypeScript in your projects.
I use TailwindCSS for utility-first styling that enables rapid UI development and TypeScript for static typing to enhance code reliability and maintainability in React apps.
How do you work with relational databases like MySQL in your full-stack projects?
I design efficient schemas, write optimized SQL queries, and manage data migrations while ensuring seamless integration with backend logic.
Explain your familiarity with RESTful APIs and data formats like JSON and XML.
I build and consume REST APIs, handling data serialization and deserialization in JSON or XML formats for smooth communication between frontend and backend.
How do you use Git in your development workflow?
I use Git for version control by branching, committing with clear messages, code reviews, resolving conflicts, and managing pull requests to maintain code quality.
Have you worked with WordPress or Laravel? What is your approach to learning new backend frameworks?
I have experience with both and a strong willingness to learn by studying documentation, building sample projects, and collaborating with peers to adapt quickly.
How do you leverage AI-powered tools in your development process?
I use AI tools like GitHub Copilot and ChatGPT for code generation, debugging, documentation, and accelerating repetitive tasks while validating outputs carefully.
Describe your approach to troubleshooting and resolving issues in full-stack applications.
I reproduce issues, analyze logs and error messages, debug systematically, write tests to confirm fixes, and document solutions to prevent recurrence.
How do you foster collaboration and maintain productivity in a remote, distributed team?
I maintain clear communication via video calls and chat, participate actively in code reviews, share progress transparently, and embrace flexible workflows to stay aligned.

📋 Job Summary

Alts Digital, a fast-growing remote-first startup based in Portugal, is looking for a ReactJS Full-stack Developer with 5+ years of web development experience. You'll build Google-friendly websites, implement new features, and collaborate closely with lead developers. Required skills include PHP backend, ReactJS, TypeScript, TailwindCSS, RESTful APIs, MySQL, and Git. Enjoy remote work, health insurance, professional development support, workation trips, and access to a team house in Madeira. Salary up to €50K/year.