Back End Developer

As a Senior Software Engineer / Technical Architect for the B2C Platform at AjnaLens in Thane, Maharashtra, India, you will be responsible for architecting and building scalable backend services using Java (Spring Boot) and Python (FastAPI/Django). With at least 5 years of experience in backend development, you will possess a strong foundation in scalable system design and cloud-native infrastructure. Your role will involve leading key decisions on infrastructure, real-time data pipelines, LLM-integrated systems, and platform observability. You will collaborate closely with product, design, and infrastructure teams to ship user-first features at scale. Additionally, you will demonstrate a product mindset, technical depth, and the ability to deliver fast in a collaborative, purpose-driven environment. The ideal candidate will have deep hands-on experience with Java, Python, and frameworks like Spring Boot, Django, or FastAPI. You should also showcase proven expertise in building scalable microservices, streaming pipelines, and event-driven systems. Proficiency in tools like Redis, PostgreSQL, PGVector, and cloud platforms such as AWS/GCP is essential. Exposure to LLM features like RAG, vector search, GPT workflows, or chatbot architectures will be advantageous. In this role, you will be expected to possess solid system design capabilities, lead architecture reviews, and mentor junior developers. Full-stack awareness, including familiarity with front-end tools like ReactJS for internal dashboards and modern DevOps practices, will be beneficial. Experience with containerization and observability tools like Prometheus, Grafana, and OTEL is desired. Bonus points will be awarded for experience with Agentic systems, real-time infrastructure, or AI-driven product features. Prior involvement in building high-performance consumer products from scratch and a passion for conscious innovation and impactful technology will be highly valued. As part of the team at AjnaLens, you will create a robust, scalable backend for the next-gen B2C platform. You will develop real-time, intelligent user experiences that combine performance with personalization, in alignment with AjnaLens" vision of building mindfully at scale. Join us in co-creating the future of conscious technology with Lenskart as our strategic investor.,