Backend Developer

3 days ago

Bengaluru, Karnataka, India Delightree Full time ₹ 15,00,000 - ₹ 25,00,000 per year

About The Role
We are seeking a
Backend Developer
with 1+ years of professional experience and strong expertise in GraphQL and MongoDB. The ideal candidate must have hands-on, non-negotiable experience with complex MongoDB aggregation pipelines and performance optimization. You will be responsible for building and maintaining scalable backend services, writing optimized database queries, and ensuring high performance of our APIs.

Key Responsibilities

  • Design, build, and maintain backend services using with GraphQL APIs.
  • Create efficient and maintainable MongoDB aggregation pipelines for data querying and reporting.
  • Ensure GraphQL schema design adheres to best practices for scalability and maintainability.
  • Optimize database queries for performance, indexing, and scalability.
  • Collaborate with frontend teams to design API contracts and improve data fetching strategies.
  • Write clean, reusable, and well-documented backend code.
  • Debug and troubleshoot production issues efficiently.
  • Implement security best practices in API development.
  • Participate in code reviews to maintain high-quality standards.

Required Skills & Experience

  • 1+ years of experience as a backend developer in a professional setting.
  • Strong proficiency in and JavaScript (ES6+).
  • Mandatory hands-on experience with GraphQL (queries, mutations, resolvers, schema stitching, performance optimization).
  • Non-negotiable expertise in MongoDB aggregation framework:
  • Complex data transformations.
  • Multi-collection joins using $lookup.
  • Grouping, filtering, projecting, and sorting with performance in mind.
  • Query optimization using indexes.
  • Experience with MongoDB query profiling and performance tuning.
  • Familiarity with database design and data modeling for NoSQL.
  • Understanding of authentication/authorization in APIs (JWT, OAuth).
  • Experience with Git and version control workflows.

Good To Have

  • Experience with TypeScript.
  • Knowledge of Graphql, Apollo Server and
  • Familiarity with caching strategies (Redis, in-memory caching).
  • Exposure to AWS services (Lambda, S3, EC2, or similar).

Soft Skills

  • Strong analytical and problem-solving abilities.
  • Ability to work independently and debug complex backend issues.
  • Effective communication and collaboration with cross-functional teams.
  • Proactive learning attitude to keep up with evolving backend technologies.

  • Backend Developer

    6 days ago

    Bengaluru, Karnataka, India Skysecure Technologies Private Limited Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    Position Overview:We are on the lookout for a talented Backend Developer to join our innovative engineering team, focused on building scalable, efficient backend systems in a high-energy, AI-driven environment. The ideal candidate will have 2-3 years of experience working with technologies like , Express, MongoDB, SQL, and Redis, and will thrive using Cursor...

  • Backend Developer

    3 weeks ago

    Bengaluru, Karnataka, India Jumbo Consulting Full time

    Backend Developer (Python, FastAPI) Experience: 3–5 years CTC: Up to 30 LPA Location: HSR Layout, Bangalore Company: Series A funded startup About the Role We are seeking an experienced Backend Developer with strong skills in Python and FastAPI to design, develop, and scale backend services. You will work closely with the founding tech team to...

  • Backend Developer

    3 weeks ago

    Bengaluru, Karnataka, India Jumbo Consulting Full time

    Backend Developer (Python, FastAPI)Experience: 3–5 yearsCTC: Up to 30 LPALocation: HSR Layout, BangaloreCompany: Series A funded startupAbout the RoleWe are seeking an experienced Backend Developer with strong skills in Python and FastAPI to design, develop, and scale backend services. You will work closely with the founding tech team to build...

  • Backend Developer

    3 weeks ago

    Bengaluru, Karnataka, India Jumbo Consulting Full time

    Backend Developer (Python, FastAPI)Experience: 3–5 yearsCTC: Up to 30 LPALocation: HSR Layout, BangaloreCompany: Series A funded startupAbout the RoleWe are seeking an experienced Backend Developer with strong skills in Python and FastAPI to design, develop, and scale backend services. You will work closely with the founding tech team to build...

  • Backend Developer

    1 day ago

    Bengaluru, Karnataka, India Acesoft Labs Full time ₹ 6,00,000 - ₹ 18,00,000 per year

    :Position: Backend Developer Experience: 6+ years Location: Bengaluru / Remote Job Type: ContractAbout the Role: We are looking for a highly skilled Backend Developer with strong expertise in Java, Spring Boot, and microservices architecture. The ideal candidate should have hands-on experience with Hibernate, SQL databases, Kafka, and scalable backend...

  • Backend Developer

    1 day ago

    Bengaluru, Karnataka, India PinnacleU Full time ₹ 9,00,000 - ₹ 12,00,000 per year

    Position: Backend DeveloperLocation: BangaloreWorking Days: Monday to FridayExperience Required: 2+ yearsClient: AI based voice solutions to businessesKey ResponsibilitiesDesign, develop, and maintain robust backend services and RESTful APIs using FastAPIBuild and scale backend infrastructure to support real-time conversational AI applicationsOptimize...

  • Backend Developer

    6 days ago

    Bengaluru, Karnataka, India Codilar Technologies Full time ₹ 20,00,000 - ₹ 25,00,000 per year

    Responsibilities5+ years (5 min to 8 max years)of experience in Python backend development, with a strong understanding of asynchronous programming.Expertise in FastAPI, SQLAlchemy, Pydantic, and scalable backend architecture.Hands-on experience with chatbot development and integrating LLMs (e.g., GPT, Claude, Gemini) into backend systems.Familiarity with...

  • Backend Developer

    6 days ago

    Bengaluru, Karnataka, India StackWalls Full time ₹ 6,00,000 - ₹ 18,00,000 per year

    Job Title:Backend Developer (NestJS)Experience:3+ yearsType:Full-time, RemoteJoining:Immediate / UrgentAbout the RoleWe're looking for aBackend Developerwith strong expertise inNestJSand hands-on experience buildingCLI tools. You'll be responsible for architecting scalable APIs, backend services, and internal tooling that powers our core products. This is a...

  • Backend Developer

    3 days ago

    Bengaluru, Karnataka, India XHire Full time ₹ 20,00,000 - ₹ 25,00,000 per year

    Job Description :We are looking for a Backend Developer with solid experience in Java and Spring Boot to join our development team. As a Backend Developer, you will work with microservices, cloud technologies, and cutting-edge development practices to build and maintain robust and scalable backend systems. You will be part of a fast-paced environment,...

  • Backend Developer

    6 days ago

    Bengaluru, Karnataka, India PRADEEPIT CONSULTING SERVICES PVT LTD Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    Key ResponsibilitiesDesign, develop, and maintain RESTful APIs using FastAPI and Python.Work with MongoDB for efficient data modeling and database management.Deploy, manage, and optimize applications on AWS cloud services.Ensure performance, security, and scalability of backend systems.Collaborate with frontend developers, product managers, and QA teams to...