Senior/Lead Full Stack Engineer

AgileEngine, LLC; India; On-site; INR 1,800,000 - 3,600,000; Full time

Job summary

AgileEngine, LLC is seeking a Senior Full Stack Engineer to design and scale enterprise-grade web applications using Golang microservices on the backend and React with TypeScript on the frontend for a SaaS insurance platform serving millions of users.

You will own REST API design, MySQL performance optimization, and frontend rendering quality while mentoring junior engineers and guiding architecture decisions across the stack.

Qualifications

• 8+ years of experience designing, building, and scaling enterprise-grade applications.
• Proficient with Golang, building microservices and handling concurrency.
• Expertise in React and TypeScript for frontend development.
• Experience with CSS frameworks such as Material UI, Styled Components, or CSS Modules.
• Strong REST API design, versioning, pagination, and security practices.
• Familiarity with Git, Docker, CI/CD, and cloud platforms (AWS/GCP/Azure).
• Knowledge of MySQL, including migrations and query optimization.
• Excellent communication and mentorship abilities.

Responsibilities

• Design, develop, and maintain web applications using React frontend and Golang backend.
• Lead technical strategy and architecture decisions across the stack.
• Mentor junior engineers and perform code reviews.
• Optimize MySQL schemas and queries for performance at scale.
• Collaborate with UI/UX designers and product managers to translate designs into code.
• Ensure accessibility and frontend performance across millions of users.

Skills

Golang

React

TypeScript

REST API design

MySQL

Performance optimization

Code reviews

Mentoring

UI/UX collaboration

Tools

Git

Docker

CI/CD

AWS

GCP

Azure

Job description

We are looking for a Senior Full Stack Engineer to design and scale enterprise-grade web applications using Golang microservices on the backend and React with TypeScript on the frontend, serving millions of users on a SaaS insurance platform. You will own REST API design, MySQL performance optimization, and frontend rendering quality, while acting as a technical leader through architecture decisions, code reviews, and mentoring junior engineers.

What you will do

• Design, develop, and maintain robust web applications using React on the frontend and Golang, TypeScript, and PHP on the backend;
• Act as a technical leader across full stack development initiatives;
• Drive technical strategy and contribute to system architecture decisions;
• Build reusable code and libraries for future use;
• Build scalable architecture to support millions of users;
• Translate UI/UX design wireframes into high-quality frontend code;
• Ensure the technical feasibility of UI/UX designs;
• Work closely with UI/UX designers and product managers;
• Bridge the gap between graphical design and technical implementation;
• Define how the application looks and how it works;
• Help scale the product and contribute to the architecture of the platform;
• Design schema migrations, optimize complex queries, and manage data integrity in MySQL;
• Identify and resolve performance bottlenecks across the stack, from frontend rendering to database indexing;
• Write clean, maintainable code;
• Participate in rigorous peer code reviews to ensure long-term system stability;
• Collaborate with team members and stakeholders;
• Explain complex technical concepts clearly to developers;
• Mentor junior engineers and foster an inclusive, collaborative environment.

Must haves

• 8+ years of experience designing, building, and scaling enterprise-grade applications;
• Strong hands-on experience with Golang, specifically building microservices and handling concurrency;
• Strong experience with React and TypeScript;
• Experience with modern CSS frameworks such as Material UI, Styled Components, or CSS Modules;
• Accessibility awareness and experience building inclusive, keyboard-friendly, screen-reader-compatible interfaces. Familiarity with WCAG 2.1/2.2 AA is a strong plus;
• Experience with frontend and application performance optimization;
• Strong REST API design and lifecycle management experience, including versioning, pagination, rate limiting, and security best practices;
• Good understanding of asynchronous request handling and partial page updates;
• Experience with test-driven development and acceptance tests;
• Familiarity with Git, Docker, and CI/CD pipelines;
• Proven hands-on experience working with AWS, GCP, or Azure;
• Experience with MySQL, including schema migrations, complex query optimization, and data integrity;
• Ability to provide technical leadership and mentorship to less experienced engineers;
• Strong communication skills and the ability to explain technical concepts clearly;
• Strong sense of ownership, quality, and attention to detail;

Nice to haves

• Familiarity with AWS-specific ecosystem tools such as SQS, S3, Parameter Store, RDS, ECS, ElastiCache, and ALB;
• Familiarity with Redis or other caching systems;
• Experience with PHP backend services;
• Experience with TypeScript-based backend services;
• Experience building scalable SaaS or enterprise platforms;
• Experience working on platforms that support millions of users;
• Experience mentoring junior engineers and leading code reviews;
• Experience working closely with UI/UX teams and product managers;
• Experience optimizing performance across frontend, backend, and database layers;
• Experience in insurance, fintech, or other regulated industries.
• Growth without limits: build your skills through mentorship, internal TechTalks, challenging projects, and a dedicated annual learning budget
• Competitive compensation: get recognition that reflects your skills and impact, with regular performance and compensation reviews
• Flexibility: work 100% remotely with flexible hours that support focus, autonomy, and a healthy work rhythm
• Meaningful, modern projects: build impactful products using modern technologies alongside global teams and leading brands
• Collaborative culture: join a supportive environment with zero micromanagement where ideas are welcomed and contributions are recognized
• Well-being & support: access local well-being programs and people-focused support tailored to your location