Backend Developer at Mezi.com · Pune · 2 - 7 years · ₹8L - ₹40L / yr · Profitable · Posted 17 May 2018

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About the Role
We are looking for an experienced Django Developer to join our on-site engineering team in Pune. This role involves building and scaling high-performance backend systems for our SaaS products. You will work closely with product, frontend, and DevOps teams to design robust APIs, optimize databases, and deliver production-grade solutions.
This is a hands-on role with ownership, technical depth, and real impact.
Key Responsibilities
- Design, develop, test, and maintain scalable backend services using Django & Python
- Architect and implement secure, high-performance RESTful APIs
- Work extensively with PostgreSQL for schema design, query optimization, indexing, and performance tuning
- Build and manage asynchronous workflows using Celery
- Implement real-time features using Daphne, Redis, and WebSockets (ASGI stack)
- Containerize applications using Docker; manage Docker Compose and environment setups
- Collaborate with frontend developers, product managers, and designers for seamless delivery
- Perform code reviews, mentor junior developers, and enforce best practices
- Ensure application security, scalability, and reliability
- Monitor system performance and handle debugging, logging, and error management
- Maintain clear documentation for APIs, services, and deployment workflows
Required Skills & Qualifications
- 3-4 years of hands-on experience with Django & Python
- Strong expertise in REST API design and backend architecture
- Advanced knowledge of PostgreSQL (queries, indexing, optimization)
- Solid experience with Celery for background tasks
- Hands-on experience with Daphne, Redis, and WebSockets
- Strong command over Docker & containerized deployments
- Proficiency with Git/GitHub workflows, PR reviews, and basic CI
- Excellent understanding of ORM concepts and database modeling
- Strong problem-solving, debugging, and communication skills
- Experience using AI/LLM tools to improve productivity is a plus
Nice-to-Have
- Experience with cloud platforms (AWS / GCP / Azure)
- Exposure to CI/CD pipelines and deployment automation
- Familiarity with monitoring tools (Sentry, Prometheus, Grafana, etc.)
- Basic frontend understanding (HTML, CSS, JavaScript)
- Experience handling high-traffic systems and performance optimization
- Exposure to Agile / Scrum environments
What We Offer
- Competitive salary package
- Opportunity to work on scalable SaaS and AI-driven platforms
- Strong engineering culture with ownership and autonomy
- On-site collaborative environment with fast decision-making
- Learning, growth, and leadership opportunities
- Challenging projects with end-to-end responsibility
Expectations & Deliverables
- Production-ready, well-tested, and maintainable code
- Proactive communication and ownership of deliverables
- High-quality documentation and clean architecture practices
- Adherence to security, compliance, and IP standards
Job Title: Python Developer (Django / Databricks / Azure)
📍 Location: Bangalore
🕒 Experience: 3–8 Year
💼 Employment Type: FTE
🔹 Job Summary:
We are seeking a skilled Python Developer with strong experience in Django, Flask API development, Databricks, and Azure Cloud. The ideal candidate will be responsible for designing scalable backend systems, developing REST APIs, building data pipelines, and working with cloud-based data platforms.
🔹 Key Responsibilities:
✔ Develop and maintain web applications using Django framework
✔ Design and build RESTful APIs using Flask
✔ Develop and optimize data pipelines using Azure Databricks
✔ Integrate applications with Azure services (Blob, Data Factory, SQL, etc.)
✔ Write clean, scalable, and efficient Python code
✔ Collaborate with frontend, DevOps, and data engineering teams
✔ Perform code reviews and ensure best practices
✔ Troubleshoot, debug, and upgrade existing systems
🔹 Required Skills:
- Strong proficiency in Python programming
- Hands-on experience with Django framework
- Experience building Flask-based REST APIs
- Experience working with Azure Databricks
- Knowledge of Azure Cloud services
- Experience with SQL / NoSQL databases
- Understanding of CI/CD and Git workflows
🔹 Good to Have:
- Experience with PySpark
- Knowledge of microservices architecture
- Docker / Kubernetes exposure
- Experience in data engineering projects
We are looking for a skilled and motivated Data Engineer with strong experience in Python programming and Google Cloud Platform (GCP) to join our data engineering team. The ideal candidate will be responsible for designing, developing, and maintaining robust and scalable ETL (Extract, Transform, Load) data pipelines. The role involves working with various GCP services, implementing data ingestion and transformation logic, and ensuring data quality and consistency across systems.
Key Responsibilities:
- Design, develop, test, and maintain scalable ETL data pipelines using Python.
- Work extensively on Google Cloud Platform (GCP) services such as:
- Dataflow for real-time and batch data processing
- Cloud Functions for lightweight serverless compute
- BigQuery for data warehousing and analytics
- Cloud Composer for orchestration of data workflows (based on Apache Airflow)
- Google Cloud Storage (GCS) for managing data at scale
- IAM for access control and security
- Cloud Run for containerized applications
- Perform data ingestion from various sources and apply transformation and cleansing logic to ensure high-quality data delivery.
- Implement and enforce data quality checks, validation rules, and monitoring.
- Collaborate with data scientists, analysts, and other engineering teams to understand data needs and deliver efficient data solutions.
- Manage version control using GitHub and participate in CI/CD pipeline deployments for data projects.
- Write complex SQL queries for data extraction and validation from relational databases such as SQL Server, Oracle, or PostgreSQL.
- Document pipeline designs, data flow diagrams, and operational support procedures.
Required Skills:
- 4–8 years of hands-on experience in Python for backend or data engineering projects.
- Strong understanding and working experience with GCP cloud services (especially Dataflow, BigQuery, Cloud Functions, Cloud Composer, etc.).
- Solid understanding of data pipeline architecture, data integration, and transformation techniques.
- Experience in working with version control systems like GitHub and knowledge of CI/CD practices.
- Strong experience in SQL with at least one enterprise database (SQL Server, Oracle, PostgreSQL, etc.).
- Strong experience in Docker.
- Good knowledge with any of the Cloud Platform like Azure.
- Must be comfortable working in a Linux environment.
- Must have exposure into IOT domain and its protocols ((Zigbee,BLE ,LoRa, Modbus)
- Must be a good team player.
- Strong Communication Skills
- Work experience as a Python Developer
- Expertise in at least one popular Python framework (like Django, Flask or Pyramid)
- Knowledge of object-relational mapping (ORM)
- Familiarity with front-end technologies (like JavaScript and HTML5)
- Team spirit
- Good problem-solving skills
- Write effective, scalable code
- Develop back-end components to improve responsiveness and overall performance
- Integrate user-facing elements into applications
- Test and debug programs
- Improve functionality of existing systems
- Implement security and data protection solutions
Develop state of the art algorithms in the fields of Computer Vision, Machine Learning and Deep Learning.
Provide software specifications and production code on time to meet project milestones Qualifications
BE or Master with 3+ years of experience
Must have Prior knowledge and experience in Image processing and Video processing • Should have knowledge of object detection and recognition
Must have experience in feature extraction, segmentation and classification of the image
Face detection, alignment, recognition, tracking & attribute recognition
Excellent Understanding and project/job experience in Machine learning, particularly in areas of Deep Learning – CNN, RNN, TENSORFLOW, KERAS etc.
Real world expertise in deep learning- applied to Computer Vision problems • Strong foundation in Mathematics
Strong development skills in Python
Must have worked upon Vision and deep learning libraries and frameworks such as Opencv, Tensorflow, Pytorch, keras
Quick learner of new technologies
Ability to work independently as well as part of a team
Knowledge of working closely with Version Control(GIT)
About Dunzo
Not that long ago, we were on whatsapp with a handful of customers, many of whom were friends and family, getting you anything you needed - groceries, food, even sending packages to anywhere in Bangalore. Today, we’re an app covering Bangalore, Pune and Gurgaon, Hyderabad and Delhi. Dunzo is a technology company, that makes local deliveries fast and easy - whether it’s that quick run from your local store, or getting you that book that is available only in one store far away from you or even organizing your entire party!
We were recently voted #3 on LinkedIn’s Top Startups in India and here’s why. The Dunzo team gets an on ground opportunity to shape a product for users across cities. You are shaping cities you’ve grown up in - by making them more accessible than before through the use of technology. We’re solving an extremely tough problem, and we seek the best of minds who are great at problem-solving, passionate and willing to go the extra mile!
About The Team
As a team, we believe that the best idea wins - no matter where the idea comes from. We tackle problems that have existed for years - through technology and data. You'll be joining a vibrant, young team who are passionate about giving our users time back, provide flexible earning opportunities for our Partners and enhance local businesses.
Job Description
Must Haves :
- Proficient in algorithms and data structures.
- Having strong experience in designing data intensive and scalable systems.
- Comfortable with microservices based architecture.
- Knowledge of software engineering processes and unit testing.
- Past experience of mentoring a team of at least two people.
- Prior experience with both relational and non-relational databases.
- Prior experience with caching.
- Ability to debug and hotfix a problem with production in a swift amount of time.
- Communication skills.
Please let me know if you are interested.









