Java Fullstack Developer

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.

• 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.
  

Education:

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

Experience :

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

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.