Sr. Consultant – Backend Developer

Join Delphi - Where Innovation meets transformation  

At Delphi, we believe in creating an environment where our people thrive. Our hybrid work model empowers you to choose where you work—whether it's from the office, your home, or a mix of both—so you can prioritize what matters most. We are committed to supporting your personal goals, family, and overall well-being while driving transformative results for our clients.  

We welcome exceptional talent from anywhere across the globe. Interviews and onboarding are conducted virtually, reflecting our digital-first mindset.  

Rooted in the region, we specialize in delivering tailored, impactful solutions in  Data, Advanced Analytics and AI, Infrastructure, Cloud Security, and Application Modernization. Whether it’s enabling predictive analytics , transforming operations with automation, or driving customer engagement with intelligent platforms, we are the trusted partner for organizations ready to embrace a smarter, more efficient future.  

About the role

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.

Job responsibilities

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

Lead the development of sophisticated AI workflows using LangChain, LangGraph, 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 

Job requirements

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

Expert-level proficiency in FastAPI 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 LangChain/LangGraph 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 (PostgreSQL, No SQL, etc.)

Proficiency in cloud platforms and deployment strategies with hands-on DevOps 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 

  What we offer

At Delphi, we are dedicated to creating an environment where you can thrive, both professionally and personally. Our competitive compensation package, performance-based incentives, and health benefits are designed to ensure you're well-supported. We believe in your continuous growth and offer company-sponsored certifications, training programs , and skill-building opportunities to help you succeed.  

We foster a culture of inclusivity and support, with remote work options and a fully supported work-from-home setup to ensure your comfort and productivity. Our positive and inclusive culture includes team activities, wellness and mental health programs to ensure you feel supported.