Back End Developer

Role Overview: 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. Key Responsibilities: - Lead key decisions on infrastructure, real-time data pipelines, LLM-integrated systems, and platform observability - Collaborate closely with product, design, and infrastructure teams to ship user-first features at scale - Architect and build scalable backend services using Java (Spring Boot) and Python (FastAPI/Django) - Showcase expertise in building scalable microservices, streaming pipelines, and event-driven systems - Possess solid system design capabilities, lead architecture reviews, and mentor junior developers - Demonstrate a product mindset, technical depth, and the ability to deliver fast in a collaborative, purpose-driven environment Qualifications Required: - Deep hands-on experience with Java, Python, and frameworks like Spring Boot, Django, or FastAPI - Proficiency in tools like Redis, PostgreSQL, PGVector, and cloud platforms such as AWS/GCP - Experience with containerization and observability tools like Prometheus, Grafana, and OTEL - Exposure to LLM features like RAG, vector search, GPT workflows, or chatbot architectures will be advantageous - Full-stack awareness, including familiarity with front-end tools like ReactJS for internal dashboards and modern DevOps practices, will be beneficial (Note: Any additional details of the company were not present in the provided job description.),