Senior Full Stack Developer

Posted 3 Days Ago
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Kolkata, West Bengal, IND
In-Office
Senior level
Agency • Marketing Tech • SEO
The Role
Design, develop, test, and maintain scalable full-stack web applications. Build responsive front-end interfaces, secure back-end services, RESTful APIs, and third-party integrations. Optimize performance, scalability, and security; implement CI/CD pipelines; troubleshoot production issues; participate in architecture decisions; conduct code reviews; and mentor junior developers while collaborating with product, design, QA, and DevOps teams.
Summary Generated by Built In

About the Role:

We are looking for an experienced Senior Full Stack Developer with 8–12 years of hands-on experience in designing, developing, and maintaining scalable web applications. The ideal candidate should have strong expertise in both front-end and back-end technologies, system architecture, cloud platforms, and modern development practices. You will work closely with cross-functional teams to deliver high-quality software solutions while mentoring junior developers.

Key Responsibilities:

  • Design, develop, test, and maintain scalable web applications.
  • Build responsive, user-friendly front-end interfaces.
  • Develop secure and efficient back-end services and RESTful APIs.
  • Integrate third-party APIs and services.
  • Optimize application performance, scalability, and security.
  • Write clean, reusable, and well-documented code.
  • Perform code reviews and mentor junior developers.
  • Collaborate with Product Managers, UI/UX Designers, QA Engineers, and DevOps teams.
  • Troubleshoot production issues and implement timely fixes.
  • Participate in architecture discussions and technical decision-making.
  • Implement CI/CD pipelines and follow DevOps best practices.
  • Ensure adherence to coding standards, security guidelines, and Agile methodologies.


Requirements

Required Skills:

Front-End

  • React.js, Angular, or Vue.js
  • HTML5, CSS3, JavaScript (ES6+), TypeScript
  • Responsive Web Design
  • Bootstrap, Tailwind CSS, Material UI

Back-End

  • Node.js (Express.js/NextJS) or Java Spring Boot/.NET Core
  • REST APIs and GraphQL
  • Micro services Architecture

Databases

  • MySQL, PostgreSQL
  • MongoDB
  • Redis (preferred)

Cloud & DevOps

  • AWS, Azure, or Google Cloud Platform
  • Docker & Kubernetes
  • CI/CD (Jenkins, GitHub Actions, GitLab CI)
  • Nginx

Version Control

  • Git, GitHub, GitLab, or Bitbucket

Additional Skills

  • System Design & Software Architecture
  • Design Patterns
  • Authentication & Authorization (JWT, OAuth)
  • API Security
  • Performance Optimization
  • Unit Testing & Integration Testing
  • Agile/Scrum Methodology

Qualifications:

  • Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
  • Proven experience in designing enterprise-level web applications.
  • Strong understanding of software development lifecycle (SDLC).

Preferred Qualifications:

  • Experience with Micro services Architecture.
  • Experience with serverless applications.
  • Knowledge of AI integrations or Generative AI APIs is a plus.
  • Relevant cloud certifications (AWS, Azure, or GCP) are an advantage.

Soft Skills:

  • Excellent problem-solving and analytical skills.
  • Ability to work independently and collaboratively


Benefits

Benefits:

  • Provident Fund

Experience:

  • Professional: 8 years (Required)

Work Location: In person



Skills Required

  • 8-12 years of hands-on professional experience in full-stack web development
  • Bachelor's or Master's degree in Computer Science, Information Technology, or a related field
  • Experience designing enterprise-level web applications
  • Strong understanding of the software development lifecycle
  • Front-end development experience with React.js, Angular, or Vue.js
  • Proficiency with HTML5, CSS3, JavaScript ES6+, and TypeScript
  • Back-end development experience with Node.js, Java Spring Boot, or .NET Core
  • Experience developing REST APIs and GraphQL services
  • Experience with MySQL, PostgreSQL, and MongoDB
  • Experience with cloud platforms including AWS, Azure, or Google Cloud Platform
  • Experience with Docker and Kubernetes
  • Experience implementing CI/CD pipelines
  • Experience with Git-based version control
  • Knowledge of system design, software architecture, and design patterns
  • Knowledge of authentication, authorization, JWT, OAuth, and API security
  • Experience with unit testing and integration testing
  • Experience with Agile/Scrum methodology
  • Experience with Redis
  • Experience with microservices architecture
  • Experience with serverless applications
  • Knowledge of AI integrations or Generative AI APIs
  • Relevant AWS, Azure, or GCP certifications
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The Company
120 Employees
Year Founded: 2011

What We Do

Nico Digital is an SEO-focused, content-driven growth agency serving SaaS, B2B, D2C, ecommerce, manufacturing, and regulated brands. It combines technical and organic SEO, digital PR, content marketing, link building, demand generation, media placements, and ecommerce optimization to build search authority, increase qualified traffic, and support revenue growth. The company operates from India while serving clients internationally across multiple global markets.

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