Senior Full Stack Developer.

Location: Brazil, Mexico

Department: Candidate Sourcing

Workplace: remote

Description

Job Title: Senior Full Stack Developer
Position Type: Full-Time, Remote
Working Hours: U.S. client business hours (with flexibility for sprint cycles, deployments, and urgent fixes)

About the Role:
Our client is seeking a Senior Full Stack Developer to design, develop, and maintain scalable web applications from front-end interfaces through back-end services and databases. This role is hands-on with code while also providing architectural guidance and mentoring junior developers. The Senior Full Stack Developer ensures products are fast, reliable, user-friendly, and maintainable while supporting growth and innovation.

Responsibilities:
Front-End Development:

• Build modern, responsive UIs using React, Angular, or Vue.
• Implement state management (Redux, Vuex, or Context API).
• Ensure accessibility and cross-browser/device compatibility.

Back-End Development:

• Develop APIs and business logic in Node.js, Python (Django/Flask/FastAPI), or Java/Spring.
• Design RESTful or GraphQL endpoints for client consumption.
• Manage server-side rendering and optimize for performance.

Database & Data Layer:

• Design schemas and manage relational (Postgres, MySQL) and NoSQL (MongoDB, DynamoDB) databases.
• Write optimized queries and manage migrations.
• Implement caching strategies (Redis, Memcached).

Testing & Code Quality:

• Write unit, integration, and end-to-end tests using Jest, Mocha, Cypress, or PyTest.
• Maintain high code coverage (≥80%) and follow style/linting rules.
• Perform regular peer code reviews.

Collaboration & Agile:

• Work with product managers and designers to refine user stories into technical requirements.
• Participate in sprint ceremonies (planning, standups, retrospectives).
• Provide accurate effort estimates and technical feedback.

DevOps & Deployment (Lightweight):

• Use Git, GitHub/GitLab for version control and pull requests.
• Deploy applications using CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins).
• Manage cloud deployments on AWS, Azure, or GCP for applications (Elastic Beanstalk, App Engine, Lambda/serverless functions).

Mentorship & Leadership:

• Mentor junior and mid-level developers through code reviews and pair programming.
• Contribute to long-term technical roadmap discussions.
• Help enforce engineering best practices across the team.

What Makes You a Perfect Fit:

• Hands-on coder who thrives building features end-to-end.
• Strong communicator who can collaborate with product and design teams.
• Experienced balancing fast iteration with maintainable architecture.
• Proactive mentor who raises the skill level of the team.

Required Experience & Skills (Minimum):

• 5+ years full stack development.
• Proficiency with JavaScript/TypeScript (React, Angular, Vue + Node.js).
• Experience with at least one relational and one NoSQL database.
• Familiarity with Git workflows and CI/CD.

Ideal Experience & Skills:

• SaaS, e-commerce, or enterprise web application development.
• Experience with microservices and serverless architectures.
• Exposure to infrastructure-as-code or lightweight DevOps (Terraform, Docker).
• Industry background in fast-paced product environments.

What Does a Typical Day Look Like?
A Senior Full Stack Developer’s day revolves around shipping features while maintaining performance and reliability. You will:

• Start with standup, reviewing sprint goals and prioritizing tickets.
• Develop new features across front-end and back-end, from UI components to APIs.
• Review and merge code, providing mentorship through constructive feedback.
• Debug and optimize applications, resolving bugs or scaling bottlenecks.
• Collaborate with designers and product managers to refine UX and feature requirements.
• Deploy updates through CI/CD pipelines and monitor performance in production.
• Document technical changes for future maintainability and onboarding.
  In essence: you are both a hands-on builder and technical leader, ensuring applications are robust, scalable, and continuously improving.

Key Metrics for Success (KPIs):

• Features shipped on time and aligned with requirements.
• Application uptime ≥ 99.9% with minimal performance issues.
• Code coverage maintained ≥ 80%.
• Reduced technical debt (tracked through code reviews/refactoring).
• Positive feedback from peers and product stakeholders.

Interview Process:

• Initial Phone Screen
• Video Interview with Pavago Recruiter
• Technical Assessment (e.g., build a small feature end-to-end with API + UI + test coverage)
• Client Interview with Engineering/Product Team
• Offer & Background Verification