Senior Backend Developer

3 weeks ago

Delhi, India RapidBrains Full time
Job Title :
Senior Backend Developer
Experience:
7+ Years
Location:
Kochi (Onsite)
Contract Type:
Long Term
Shift:
IST
We are looking for a Senior Backend Developer to design and implement robust backend services powering the Purvaj portals. You’ll build APIs in FastAPI and Spring Boot, manage complex multi-role access flows, support real-time and offline sync, and scale services for heritage data, rituals, and marketplace systems.This is a highly technical role that demands strong backend expertise, a problem-solving mindset, and hands-on experience with distributed systems, event-driven architectures, and secure API-first development.
Responsibilities:
API Development & Access Management
Architect and implement APIs for users, heritage guides, and service providers.
Build authentication and role-based access control using Keycloak OIDC.
Core Features & Data Handling
Develop booking, payment, earnings, vault, and family tree APIs.
Design schemas in PostgreSQL 16 with Row-Level Security and PostGIS for geospatial data.
Work with graph DBs (Cypher query optimization & data modeling).
Integrate OCR workflows for scanned documents with post-processing.
Scalability & Integrations
Deliver real-time updates (rituals, bookings, notifications).
Implement offline sync APIs with Celery + Redis.
Integrate services via Kong API Gateway with routing and policies.
Build search & vector integrations with OpenSearch (k-NN).
Manage event-driven flows with Apache Kafka.
Media & Infrastructure
Handle media workflows with S3/DigitalOcean Spaces, CloudFront, and imgproxy.
Deploy systems with Terraform and Kubernetes (EKS, HPA, blue-green & canary).
Security & Financial Workflows
Implement secure financial workflows (split payouts, GST invoices, reconciliation via Kafka).
Enforce PII protection with AES field-level encryption and AWS KMS.
Manage secrets with AWS Secrets Manager / SSM.
Quality & DevOps
Write unit & integration tests, and build CI/CD pipelines.
Ensure production readiness and zero-downtime releases.
Requirements:
7+ years in backend development with Python (FastAPI/Flask/Django) and Java (Spring Boot).
Strong expertise in PostgreSQL, PostGIS, and schema optimization.
Experience with microservices, event-driven systems, and API-first design.
Proficiency with Kafka, Celery, Redis for messaging and background processing.
Hands-on with OIDC/JWT authentication and Kong API Gateway.
Proven delivery of high-scale, offline-first portal backends.
Qualifications:
Experience with financial/payment systems (Razorpay, Stripe).
Knowledge of ClickHouse for analytics.
Prior experience in product development and B2C portals.
Multi-cloud deployment experience (AWS, DigitalOcean, etc.).

  • Senior Backend Developer

    3 weeks ago

    Delhi, India RapidBrains Full time

    Job Title :Senior Backend DeveloperExperience:7+ YearsLocation:Kochi (Onsite)Contract Type:Long TermShift:ISTWe are looking for a Senior Backend Developer to design and implement robust backend services powering the Purvaj portals. You’ll build APIs in FastAPI and Spring Boot, manage complex multi-role access flows, support real-time and offline sync, and...

  • Senior Backend Developer

    2 weeks ago

    New Delhi, India OnlineMed Full time

    Location: On-site, Bangalore (Whitefield)Need to be available to start within 1-2 weeks or soonerStart Date: Immediate (No Notice Period)Mission: Re-inventing the way people get a doctor’s note worldwideAt OnlineMed, we’re building the fastest, most reliable, and most trusted way to get a doctor’s note — anywhere in the world. What started with a...

  • Senior Backend Developer

    2 days ago

    Delhi, Delhi, India SMC Full time ₹ 10,00,000 - ₹ 25,00,000 per year

    Senior Backend Developer (Golang)Job OverviewWe are seeking a dedicated Backend Developer needed to design and build scalable, high-performance systems using Golang, strong computer science fundamentals (DSA), and high-level system architecture.Required Skills & Tech StackGo (Golang) : Extensive production-level experience, including development with...

  • Senior Backend Developer

    5 days ago

    New Delhi, India OnlineMed Full time

    Location:On-site, Bangalore (Whitefield) Need to be available to start within 1-2 weeks or sooner Start Date:Immediate (No Notice Period)Mission:Re-inventing the way people get a doctor’s note worldwideAtOnlineMed , we’re building the fastest, most reliable, and most trusted way to get a doctor’s note — anywhere in the world. What started with a...

  • Senior AWS BackEnd Developer

    1 day ago

    New Delhi, India IntraEdge Full time

    Job Title: Senior AWS Cloud EngineerLocation: Pune (Hybrid)Experience: 5–8 YearsEmployment Type: Full-timeAbout the RoleWe’re seeking a Senior AWS Cloud Engineer who brings deep backend development expertise, a strong command of AWS services, and the ability to architect and build scalable, serverless cloud applications.The ideal candidate will be...

  • Senior Backend Developer Django

    3 days ago

    New Delhi, India Tratoli - Travel Technology Company Full time

    Company Description Tratoli is a leading travel technology company based in Mumbai. We are dedicated to revolutionizing the travel industry by seamlessly merging cutting-edge technology with the everyday travel booking experience. With a portfolio of innovative technology products, we enhance every aspect of holiday planning, booking, and travel. Our...

  • Senior Backend Developer

    4 weeks ago

    Delhi, India Talent500 Full time

    About Talent500: Talent500 is the go-to premium destination for the best global job opportunities at Global Capability Centres or GCCs in India. We believe in opportunities favoring the bold and thus, we help the best tech and non-tech talent find their dream jobs at renowned companies that leads to a transformative experience career wise. Talent500 is a...

  • Senior C# .NET Backend Developer

    3 weeks ago

    Delhi, India NES Fircroft Full time

    Senior C# DOT NET Backend Developer"Lead innovation and scalability — drive backend excellence with us!ABOUT THE ROLE:As a Backend Team Lead, you will be responsible for leading a team of backend developers, driving the design and development of scalable and secure backend systems. You will play a pivotal role in shaping architecture, mentoring developers,...

  • Senior Backend Developer

    1 week ago

    Delhi, India SMC Full time

    Job Description Senior Backend Developer (Golang) Job Overview We are seeking a dedicated Backend Developer needed to design and build scalable, high-performance systems using Golang, strong computer science fundamentals (DSA), and high-level system architecture. Required Skills & Tech Stack - Go (Golang) : Extensive production-level experience, including...

  • Backend Developer

    1 week ago

    Delhi NCR, India whitetable Full time ₹ 20,00,000 - ₹ 25,00,000 per year

    Description : Backend Developer Location : Bengaluru / NCR / Hyderabad / Mumbai / Pune (Hybrid) About the Opportunity : As a Backend Developer, youll be responsible for building, optimizing, and maintaining high-performance backend systems that handle real-time AI workloads. Youll contribute to designing APIs, building distributed services, and...