Shape the future with Delphi Consulting. We don't just hire talent—we invest in people who are passionate about innovation, continuous learning, and creating meaningful impact. Join a team that's shaping the future of AI, data, cloud, and digital transformation while solving complex business challenges for leading enterprises. If you're ready to build what's next, your journey starts here.

We are seeking a seasoned and visionary Senior Backend Developer to lead technical initiatives and drive innovation across our client projects. This role bridges technical excellence with client engagement— architecting sophisticated solutions, mentoring junior talent, and translating complex business requirements into scalable, AI-powered applications. The ideal candidate is not just a developer but a technical leader who understands business processes, modern development practices, and can help drive transformative value for our clients using cutting-edge Python technologies and AI frameworks.

Responsibilities

Architect and design scalable applications using Rapid API, implementing advanced features and optimization strategies

Lead the development of sophisticated AI workflows using Lang Chain, Lang Graph, and related frameworks for production environments

Build complex Streamlit applications with custom components, advanced data visualizations, and optimal user experiences

Engage directly with clients to understand business requirements and translate them into technical solutions

Mentor junior developers through code reviews, technical guidance, and knowledge sharing sessions





Oversee technical aspects of projects from planning and architecture through deployment and maintenance

Research and implement emerging technologies, contributing to R&D; initiatives and innovation strategies

Establish testing strategies, CI/CD pipelines, and deployment best practices across projects

Facilitate technical workshops and stakeholder meetings to align on solutions and deliverables

Monitor application performance and lead troubleshooting efforts from both technical and business impact perspectives.

Qualifications

5+ years of Python development experience with production-level applications and proven technical leadership

Expert-level proficiency in Fast API including advanced features like dependencies, middleware, and background tasks

Advanced Streamlit development skills including custom components, session state management, and performance optimization

Deep expertise in Lang Chain/Lang Graph for building and deploying production AI applications

Strong understanding of software architecture patterns, design principles, and scalable system design

Extensive experience with database design, optimization, and management (Postgre SQL, No SQL, etc.)

Proficiency in cloud platforms and deployment strategies with hands-on Dev Ops experience

Experience with containerization (Docker, Kubernetes) and modern development workflows

Proven track record in API security, authentication, authorization, and compliance requirements

Excellent client-facing and stakeholder management skills

Experience leading technical teams or mentoring developers is highly valued

Background in consulting or client-services environments is a plus.

📌 Sr Backend Developer (Mumbai)
🏢 Delphi Consulting
📍 Mumbai