Senior Software Engineer

Responsive; Kolkata District; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Responsive is seeking a product-minded Senior Software Engineer to architect scalable, high-performance systems using Java and React. You will mentor engineers, lead technical initiatives, and collaborate with distributed teams to deliver robust SaaS solutions.

The role demands strong design patterns, cloud-native know-how, and a passion for building scalable platforms in a fast-paced environment.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of experience in software design, development, and algorithm-related solutions using Java and/or React.
• Deep expertise in Java programming and high-performance server-side development.
• Experience with React frontend and state management (Redux, React Query, or Context API).

Responsibilities

• Architect and design scalable distributed systems with high performance.
• Provide technical leadership, code reviews, and best practices.
• Tune performance and optimize low-latency queries.
• Collaborate across cross-functional teams to deliver seamless experiences.
• Stay updated with trends and lead tech-adoption discussions.

Skills

Java programming

React frontend

Architectural design

Cloud-native architecture

Search technologies

Test Driven Development

CI/CD

Scrum

Education

Bachelor’s or Master’s degree in Computer Science/IT

Tools

Spring

React

MongoDB

GCP/AWS/Azure

ElasticSearch

Apache Solr

Job description

About Responsive

Responsive, formerly RFPIO, is the market leader in a growing category of SaaS solutions called Strategic Response Management. More than 2,000 customers, including Google, Microsoft, Blackrock, T.Rowe Price, Adobe, Amazon, Visa and Zoom, are using the Responsive platform to manage business critical responses -including bids, questionnaires, assessments, and trust centers - that impact nearly half of a company's revenue. More than 35% of cloud SaaS leaders and more than 20 of the Fortune 100 standardize on Responsive, and the company has been voted "best in class" by G2 for 24 quarters straight. Customers have used Responsive to close more than $750B in transactions to-date. To learn more , visit responsive.io .

About The Role

Responsive is looking for a product-minded Senior Software Engineer with strong technical leadership skills and a passion for architecting and building scalable, high-performance solutions. This is an opportunity to lead technical initiatives, mentor junior engineers, and contribute to the growth of a top-tier SaaS company in a fast-paced, innovative environment.

What You Will Be Doing

• Architect and Design Solutions : Take ownership of designing, developing, and maintaining complex distributed systems, ensuring high performance, scalability, and reliability.
• Technical Leadership : Mentor junior engineers, conduct code reviews, and set best practices for software development.
• Performance Tuning and Optimization : Identify performance bottlenecks, optimize system efficiency, and ensure low-latency query responses.
• Cross-Team Collaboration : Work closely with cross-functional and geographically distributed teams, including product managers, frontend engineers, and UX designers, to deliver seamless and intuitive experiences.
• Continuous Improvement : Stay updated with the latest trends and advancements in technologies, conducting research and experimentation to drive innovation. Lead discussions on adopting new technologies where applicable.

Experience

5+ years of experience in software design, development, and algorithm-related solutions using Java and/or React.

Qualifications

Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.

Skills, Qualifications & Ability

• Deep expertise in Java programming, Java design patterns, and high-performance server-side development.
• Proficiency in React for frontend development, with experience in state management (Redux, React Query, or Context API).
• Strong architectural skills with the ability to design scalable, maintainable, and resilient software systems.
• Demonstrated versatility in multiple front-end and back-end technologies such as Spring, React, MongoDB, etc.
• Experience leading technical initiatives such as refactoring, performance optimization, or major feature development.
• Hands-on experience with cloud-native architecture and working with platforms such as GCP, Azure, or AWS, including cloud services for AI/ML, data storage, and processing.
• Advanced knowledge of search and retrieval technologies, including platforms like ElasticSearch, Apache Solr, or similar. Experience with AI-driven solutions, NLP, semantic search, and text processing techniques is a plus.
• Proficiency in Test Driven Development (TDD) and CI/CD pipelines.
• Scrum and JIRA experience is a plus.
• Proven ability to work in a fast-paced, dynamic environment, preferably in a SaaS or technology-driven company.
• Strong problem-solving and debugging skills, with experience handling production-level issues and performance tuning.