Senior Backend Developer

Permanent employee, Full-time · Porto

45,000 - 68,000 € per year

Job Summary

As a Senior Back-end Developer at Rovo Assembly you will be responsible for leading the architecture and development of reliable, scalable, and high-performance services. You will help drive backend initiatives and contribute to the evolution of our service-oriented and distributed systems. You’ll collaborate across disciplines, advocate for backend best practices, and help drive the evolution of our platform’s backend architecture.

Why join Assembly?
Assembly is a business unit of the Rovo Group that combines both physical and digital product, and was created to revolutionize how custom merchandise is made and delivered. We blend technology and supply chain mastery to help brands create personalized apparel and accessories — fast, reliably, and at scale.

Key Responsabilities

Architecture & System Design

Architect and implement secure, scalable, and reliable distributed systems and APIs
Design service-oriented architectures that enable performance, fault tolerance, and long-term maintainability
Drive technical planning and architectural decisions with an eye toward growth and system evolution

Backend Development & Operations

Develop high-performance services using Node.js, TypeScript, and related backend technologies
Ensure all services are well-tested, monitored, documented, and optimized for performance and resilience
Lead backend initiatives from concept to deployment, with a focus on quality and reliability

Security & Technical Standards

Implement backend security best practices (e.g. CORS, CSRF, OWASP) to safeguard services and user data
Define and enforce coding standards, documentation practices, and review processes across the backend team
Continuously identify technical debt and scalability issues and propose actionable solutions

Collaboration & Mentorship

Work cross-functionally with product, design, and engineering teams to align technical efforts with business needs
Mentor junior and mid-level developers, participate in code reviews, and contribute to team growth

Preferred Qualifications (Must-have/Nice-to-have)

Must-have

8+ years of experience in backend development, with a focus on scalable, service-oriented architectures
Expertise in Node.js, TypeScript, and distributed systems design
Strong knowledge of API design, backend performance optimization, and system observability
Deep understanding of security best practices in backend development
Experience with CI/CD pipelines and deployment automation
Strong communication skills and the ability to work collaboratively across teams

Nice to have

Experience working with Headless CMS or content-heavy platforms
Background in experimentation-heavy environments or A/B testing infrastructure
Familiarity with cloud-native services and infrastructure-as-code practices
Prior experience in fast-paced product or e-commerce teams

Benefits & Working Conditions

Health insurance coverage.
Flexible work schedules that promote work-life balance.
Generous allocation of 26 vacation days per year.
Collaborative and supportive work environment.
Opportunity for professional growth and development.
Modern and well-equipped office space in a convenient location.

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About us

As one of the leading agencies in Portugal, our reputation for excellence is a testament to our philosophy of pushing the boundaries in textile sourcing and production.

Over the years, we have brought our expertise and industry insight to 150+ apparel, fashion, and luxury clients, working exclusively with factories that share our ethos of transparency, quality, and environmental responsibility.

We believe that exceptional products require not only a deep understanding of the industry, but also an unwavering dedication to constant improvement and innovation. That's why we approach every project by leveraging our extensive network of suppliers to explore and adopt new trends in manufacturing, technology, and sustainability.

We are committed to minimising our environmental impact, supporting ethical practices, and promoting positive social change to create a more inspiring future for all.

Apply for this job

Thank you for your interest in ROVO. Please fill out the following short form. Should you have difficulties with the upload of your data, please send an email to r.soares@ronzinovonoswald.com