Senior Full Stack Developer

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, build, and maintain scalable web applications across both front-end and back-end systems. This is a hands-on engineering role focused on delivering reliable, high-performing products while contributing to architecture decisions, mentoring developers, and improving engineering standards.

The ideal candidate is a strong end-to-end builder who can move seamlessly between user interfaces, APIs, databases, infrastructure, and deployment workflows. You will collaborate closely with product, design, and engineering teams to develop applications that are scalable, maintainable, secure, and user-focused.

This role requires someone who balances fast execution with long-term technical quality and enjoys solving complex technical challenges in fast-paced product environments.

Responsibilities

Front-End Development

• Build modern, responsive user interfaces using React, Angular, or Vue
• Implement scalable component architectures and reusable UI systems
• Manage application state using Redux, Vuex, Zustand, or Context API
• Ensure accessibility, responsiveness, and cross-browser/device compatibility
• Optimize front-end performance, rendering, and load times

Back-End Development

• Design and develop APIs, services, and business logic using Node.js, Python (Django, Flask, FastAPI), or Java/Spring
• Build RESTful and/or GraphQL APIs for web and mobile applications
• Implement authentication, authorization, validation, and security best practices
• Optimize server-side performance and application scalability

Database & Data Management

• Design and maintain relational and NoSQL databases including PostgreSQL, MySQL, MongoDB, or DynamoDB
• Write optimized queries, migrations, and indexing strategies
• Implement caching and performance optimization using Redis or Memcached
• Ensure data consistency, integrity, and scalability across services

Testing & Code Quality

• Write and maintain unit, integration, and end-to-end tests using Jest, Cypress, Mocha, PyTest, or similar tools
• Maintain high test coverage and code quality standards
• Participate in peer code reviews and enforce engineering best practices
• Troubleshoot bugs, production issues, and performance bottlenecks

DevOps & Deployment

• Use Git and modern branching workflows for collaboration and release management
• Build and maintain CI/CD pipelines using GitHub Actions, GitLab CI, Jenkins, or equivalent tools
• Deploy and manage applications on AWS, Azure, or GCP
• Support lightweight DevOps practices including Docker, serverless deployments, and monitoring

Collaboration & Agile Execution

• Work closely with product managers and designers to translate requirements into technical solutions
• Participate in sprint planning, standups, retrospectives, and backlog refinement
• Provide technical estimates, architecture feedback, and implementation recommendations
• Document systems, APIs, and technical workflows for maintainability

Mentorship & Technical Leadership

• Mentor junior and mid-level developers through code reviews and technical guidance
• Contribute to architectural planning and long-term technical roadmap discussions
• Help establish engineering standards, workflows, and scalable development practices
• Encourage a collaborative, quality-focused engineering culture

What Makes You a Perfect Fit

• Strong hands-on engineer comfortable building full-stack systems end-to-end
• Able to balance rapid development with clean, maintainable architecture
• Excellent communicator who collaborates effectively across teams
• Passionate about product quality, scalability, and user experience
• Ownership-driven with strong debugging and problem-solving skills
• Comfortable mentoring others and contributing technical leadership

Required Experience & Skills

• 5+ years of professional full stack development experience
• Strong proficiency in JavaScript/TypeScript and modern front-end frameworks (React, Angular, or Vue)
• Experience building APIs and back-end systems using Node.js, Python, or Java
• Strong understanding of relational and NoSQL databases
• Experience with Git workflows, CI/CD pipelines, and cloud deployments
• Familiarity with testing frameworks and software quality best practices
• Strong understanding of web application architecture and scalability principles

Ideal Experience & Skills

• Experience building SaaS, enterprise, or e-commerce applications
• Familiarity with microservices and serverless architectures
• Experience with Docker, Terraform, or infrastructure-as-code practices
• Exposure to AWS, Azure, or GCP production environments
• Experience optimizing applications for performance and scalability
• Background working in startup or high-growth product environments

What Does a Typical Day Look Like?

A Senior Full Stack Developer’s day revolves around shipping features, solving technical challenges, and improving product reliability. You will:

• Participate in standups and review sprint priorities
• Build front-end interfaces and back-end APIs for new product features
• Review pull requests and mentor developers through technical feedback
• Debug production issues and optimize application performance
• Collaborate with product and design teams on feature requirements and UX improvements
• Deploy updates through CI/CD pipelines and monitor production systems
• Document technical changes and contribute to long-term architectural planning

In essence: you are both a hands-on builder and technical leader, ensuring applications remain scalable, reliable, maintainable, and continuously improving.

Key Metrics for Success (KPIs)

• Features delivered on time and aligned with product requirements
• Application uptime ≥ 99.9%
• High code quality and maintainable architecture
• Test coverage maintained at ≥80%
• Reduced technical debt and improved system scalability
• Fast resolution of production issues and bugs
• Positive collaboration feedback from engineering, product, and design teams

Interview Process

• Initial Phone Screen
• Video Interview with Pavago Recruiter
• Technical Assessment (Full-Stack Feature Build with API + UI + Tests)
• Client Interview with Engineering/Product Team
• Offer & Background Verification

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