Senior Software Engineer- Full Stack (Java + ReactJs)

Saarthee; Kolkata District; Hybrid; INR 1,500,000 - 2,300,000; Full time

Job summary

Saarthee in Bangalore is seeking a Senior Full Stack Engineer to design, build, and support high-volume production services. The role combines backend Java/Spring Boot with REST APIs on AWS and frontend work in React/React Native.

You should be hands-on, self-motivated, and ready to participate in planning and delivery, mentoring junior engineers, and improving code quality across new and existing services in a hybrid work model.

Qualifications

• Expert-level Java 11+ and Spring Boot with REST API development.
• Hands-on AWS experience (DynamoDB, SQS, Lambda) for high-volume systems.
• Strong front-end experience with ReactJS, TypeScript and React Native.

Responsibilities

• Design, implement and integrate full-stack solutions.
• Collaborate with QA, Product, and Engineering Managers.
• Support live production services.
• Work self-motivated with proactive planning.
• Conduct peer reviews and mentor junior engineers.
• Maintain code quality across services.
• Drive functional and technical improvements in services.

Skills

Java

Spring

REST API

ReactJS

TypeScript

AWS

React Native

Tools

DynamoDB

SQS

Lambda

Job description

About Saarthee

Saarthee is a Global Strategy, Analytics, Technology and AI consulting company, where our passion for helping others fuels our approach and our products and solutions. Our diverse and global team work with one objective in mind: Our Customers’ Success. At Saarthee, we are passionate about guiding organizations towards insights fueled success. That’s why we call ourselves Saarthee–inspired by the Sanskrit word ‘Saarthi’, which means charioteer, trusted guide, or companion. Cofounded in 2015 by Mrinal Prasad and Shikha Miglani, Saarthee already encompasses all the components of Data Analytics consulting. Saarthee is based out of Philadelphia, USA with offices in UK and India.

About Saarthee

Saarthee is a Global Strategy, Analytics, Technology and AI consulting company, where our passion for helping others fuels our approach and our products and solutions. Our diverse and global team work with one objective in mind: Our Customers’ Success. At Saarthee, we are passionate about guiding organizations towards insights fueled success. That’s why we call ourselves Saarthee–inspired by the Sanskrit word ‘Saarthi’, which means charioteer, trusted guide, or companion. Cofounded in 2015 by Mrinal Prasad and Shikha Miglani, Saarthee already encompasses all the components of Data Analytics consulting. Saarthee is based out of Philadelphia, USA with offices in UK and India.

Position

Senior Software Engineer- Full Stack (Java + ReactJs)

Location

Bangalore

Work Mode

Hybrid

Min-Max Experience

6-10 years

Position Summary

Senior Full Stack Engineer to design, build and support high-volume, production services. The role spans backend development in Java/Spring Boot and REST APIs on AWS, alongside React/React Native front-end work, with expectations of hands self-motivated, with pro‑active participation in planning and delivery.

Your Role Responsibilities And Duties

• Design, implement and integrate solutions across the full stack.
• Collaborate with all stakeholders – QA, Product, Engineering Managers and peer teams.
• Support existing services and products that are live in production.
• Work self-motivated, with pro‑active participation in planning and delivery.
• Conduct peer reviews and mentor junior engineers.
• Maintain code quality across new and existing services.
• Drive functional and technical improvements in new or existing services.

Mandatory Skills

Java, Spring, REST API, ReactJS, TypeScript, AWS, React Native.

• Expert-level Java 11+, Spring Boot and REST API development.
• Hands-on experience with AWS services – DynamoDB, SQS, Lambda – for high-volume systems.
• Strong front-end experience with ReactJS, TypeScript and React Native.
• Proven experience designing and supporting live, high-traffic production services.
• Comfortable working across QA, Product and cross-functional peer teams in an agile setup.

Technical Skills

Languages & Frameworks:

Java 11+, Spring, Spring Boot, Rest API, Microservices

Frontend:

ReactJS, TypeScript, React Native

APIs:

REST API design and integration

Cloud (AWS):

DynamoDB, SQS, Lambda