Quick Summary
Pioneering Social Management Consultancy
Since 1990, Diagonal has been a pioneering consultancy in social management and sustainable development. Our 35-year history is defined by innovation, partnerships, and the positive transformation of communities across Brazil and globally. We impact millions through projects combining technical expertise, a human perspective, and socio-environmental commitment. We believe in dialogue and collective construction to generate real, lasting change.
At Diagonal, we believe every journey matters, and that cities and lives can be transformed starting with people. People are our territory! #VemSerDiagonal
Key Responsibilities: Full-Stack Development & Optimization
This mission requires a skilled developer to:
- Work collaboratively in a web development team, mastering both frontend and backend technologies.
- Develop scalable, high-performance backend solutions using PHP Laravel and Node.js.
- Master frontend technologies including Svelte.js and React.js.
- Ensure application quality and stability through rigorous testing and code debugging.
- Apply best practices and SOLID principles consistently.
- Optimize application performance by identifying and resolving potential bottlenecks.
- Build database routines and reports utilizing PostgreSQL.
- Develop highly scalable dynamic functionalities.
- Create solutions (APIs and services) and integrate with third-party APIs.
- Collaborate closely with frontend developers on interface construction.
- Maximize the speed and efficiency of implemented systems and routines.
- Contribute to the design and implementation of technical solutions that meet project requirements.
- Analyze systems and propose effective solutions for real-world problems.
- Stay current with web development trends and suggest team improvements.
Required Skills & Experience: Laravel, Node.js, and React Expertise
To succeed in this mission, candidates must possess:
- Minimum 6 years of experience in backend development using PHP Laravel and Node.js.
- Minimum 6 years of experience in frontend programming, specifically React.js.
- Proficiency with relational databases, including PostgreSQL and MySQL.
- Proven experience developing RESTful APIs and integrating third-party APIs.
- Ability to produce clean, readable, and modular code adhering to programming best practices.
- Familiarity with version control using Git.
- Solid understanding of MVC architecture and microservices.
- Mastery and application of SOLID principles in application development.
- Ability to thrive in a collaborative, agile environment.
- Familiarity with Scrum and Kanban methodologies.
Differentiators
- Experience developing and maintaining mobile applications using Flutter.
- Proficiency in Docker configurations.
- A strong appreciation for people and teamwork.
Additional Information: Remote Freelance Opportunity (PJ)
We offer:
- Contract Type: PJ (Freelancer/Contractor)
- Compensation: Competitive market rate
- Work Model: Home Office (Remote)
Diagonal is a pioneering social management consultancy dedicated to elevating ESG standards and generating positive socio-environmental impact. Join us if you connect with our purpose: transforming lives through social change and sustainable territorial development. #SejaDiagonal


