Sr. Software Engineer (Backend)

Job Title : Senior Software Engineer (Backend)

Location : Bengaluru, IN

About the Role :

As a Senior Software Engineer, you'll join a dynamic team responsible for building scalable, robust, and fault-tolerant backend systems. This is a high-impact role where you'll work on critical projects that drive platform scalability, optimize performance, and improve system reliability for a global customer base. You will collaborate with cross-functional teams and have the opportunity to work on cutting-edge technologies while solving complex challenges. Your contributions will be instrumental in ensuring 6sense delivers seamless customer experiences.

What will you own :

• Build Scalable Systems: Design, develop, and maintain APIs and microservices capable of processing millions of daily data requests and emails.
• Optimize Performance: Enhance system reliability and ensure low-latency, high-availability services by leveraging Redis and other caching solutions.
• Focus on Email Deliverability: Work on improving email systems and protocols (e.g., SMTP) to ensure high deliverability rates.
• Drive Innovation: Partner with product, design, and frontend teams to develop new features and enhance existing functionalities.
• Cloud and Infrastructure: Collaborate with DevOps to implement best practices in CI/CD pipelines and AWS infrastructure.
• Contribute to Architecture: Participate in decisions about system architecture, tool adoption, and technology innovation.
• Leverage generative AI and AI coding tools to accelerate developer productivity, engineering workflows, and automation of repetitive tasks

• Python / Ruby on Rails
• PostgreSQL
• Redis
• SingleStore
• AWS (ECS, RDS, Kinesis, Lambda, Terraform)

• 5+ years of professional backend development experience, with a focus on scalable systems.
• Hands-on expertise with Redis, PostgreSQL, and AWS.
• Familiarity with email protocols (e.g., SMTP) and strategies for improving deliverability.
• Understanding of AI-native software development practices, including automated code generation, AI-driven testing, and human-in-the-loop review systems
• Proven ability to adopt and drive modern engineering paradigms, particularly integrating AI into development workflows to improve productivity, quality, and delivery speed

• Proficiency in backend frameworks such as Ruby on Rails, Python, or Node.js.
• Strong understanding of microservices architecture and API design.
• Experience with cloud services (AWS) and containerization tools (Docker, Kubernetes).

• Strong problem-solving ability and debugging skills.
• Effective communication and collaboration with cross-functional teams.
• A growth mindset with a passion for learning new technologies.

• Experience with SingleStore or similar databases.
• Knowledge of distributed systems or TDD practices.