Backend Developer

Job Title : Backend Developer (Node.js or Python/Django)

Experience : 2 to 5 Years

Location : Connaught Place, Delhi (Work From Office)

Job Summary :

We are looking for a skilled and motivated Backend Developer (Node.js or Python/Django) to join our in-house engineering team.

Key Responsibilities :

• Design, develop, test, and maintain robust backend systems using Node.js or Python/Django.
• Build and integrate RESTful APIs including third-party Authentication APIs (OAuth, JWT, etc.).
• Work with data stores like Redis and Elasticsearch to support caching and search features.
• Collaborate with frontend developers, product managers, and QA teams to deliver complete solutions.
• Ensure code quality, maintainability, and performance optimization.
• Write clean, scalable, and well-documented code.
• Participate in code reviews and contribute to team best practices.

Required Skills :

• 2 to 5 Years of hands-on experience in backend development.
• Proficiency in Node.js and/or Python (Django framework).
• Solid understanding and experience with Authentication APIs.
• Experience with Redis and Elasticsearch for caching and full-text search.
• Strong knowledge of REST API design and best practices.
• Experience working with relational and/or NoSQL databases.
• Must have completed at least 2 end-to-end backend projects.

Nice to Have :

• Experience with Docker or containerized environments.
• Familiarity with CI/CD pipelines and DevOps workflows.
• Exposure to cloud platforms like AWS, GCP, or Azure.

Summary

We are seeking a highly skilled and motivated Software Engineer with expertise in both backend development and DevOps practices. The ideal candidate will have a proven track record of designing, developing, and deploying robust and scalable backend systems, while also possessing strong knowledge of cloud infrastructure and DevOps principles. This role requires a collaborative individual who thrives in a fast-paced environment and is passionate about building high-quality software.

Responsibilities

Design, develop, and maintain backend services using appropriate technologies.

Implement and maintain CI/CD pipelines.

Manage and monitor cloud infrastructure (e.g., AWS, Azure, GCP).

Troubleshoot and resolve production issues.

Collaborate with frontend developers to integrate backend services.

Contribute to the design and implementation of database schemas.

Participate in code reviews and ensure code quality.

Contribute to the improvement of DevOps processes and tools.

Write clear and concise documentation.

Stay up-to-date with the latest technologies and best practices.

Qualifications

Bachelor's degree in Computer Science or a related field.

3+ years of experience in backend software development.

2+ years of experience in DevOps.

Proficiency in at least one backend programming language (e.g., Java, Python, Node.js, Go).

Experience with cloud platforms (e.g., AWS, Azure, GCP).

Experience with containerization technologies (e.g., Docker, Kubernetes).

Experience with CI/CD tools (e.g., Jenkins, GitLab CI, CircleCI).

Experience with monitoring and logging tools (e.g., Prometheus, Grafana, ELK stack).

Strong understanding of database technologies (e.g., SQL, NoSQL).

Excellent problem-solving and debugging skills.

Strong communication and collaboration skills.

Bonus Points

Experience with specific technologies used by our company (list technologies if applicable).

Experience with serverless architectures.

Experience with infrastructure as code (e.g., Terraform, CloudFormation).

Contributions to open-source projects.

Relevant certifications.

Job description

Ruby on Rails Developer Responsibilities :

- Designing and developing new web applications.

- Maintaining and troubleshooting existing web applications.

- Writing and maintaining reliable Ruby code.

- Integrating data storage solutions.

- Creating back-end components.

- Identifying and fixing bottlenecks and bugs.

- Integrating user-facing elements designed by the front-end team.

- Connecting applications with additional web servers.

- Maintaining APIs.

Ruby on Rails Developer Requirements :

- Bachelor's degree in Computer Science, Computer Engineering, or related field.

- Experience working with Ruby on Rails as well as libraries like Resque and RSpec.

- Ability to write clean Ruby code.

- Proficiency with code versioning tools including Git, Github, SVN, and Mercurial.

·        Should have 5 to 6 years of 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)

·        Should have completed B.E/B.Tech. /MCA in any field.

·        Good problem-solving skills and Team spirit.

·        Writing scalable code using Python programming language.

·        Testing and debugging applications.

·        Developing back-end components.

·        Integrating user-facing elements using server-side logic.

·        Assessing and prioritizing client feature requests.

·        Integrating data storage solutions.

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.

In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.

What You’ll Do:

• Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
• Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
• Build reusable components and packages for future use.
• Translate specs and user stories into reviewable, test covered patches.
• Peer review code and refactor existing code.
• Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
• Manage Kubernetes and Docker based global deployment of our infrastructure.

Requirements
We’re Looking for Someone With:

• Experience working with ORMs like SQLAlchemy or Django (2-3 years)
• Experience with SQL and databases (Postgres preferred)
• Experience in developing large server side applications and microservices
• Ability to create high quality code
• Experience with python testing tools (pytest) and test automation
• Familiarity with code versioning tools like GIT
• Strong sense of ownership and leadership quality
• Experienced in the tools of our web stack- Python, Celery, Postgres, Redis, RabbitMQ

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Experience with ReactJS, Google Cloud, Heroku
• Cloud deployment and scaling experience

• Experienced backend developer with extensive work on nodejs and backbonejs along with good English spoken language.
• Develop new user-facing features
• Build structured, reusable code and libraries for future use
• Optimize applications for maximum speed and scalability
• Maintain, contribute and adhere to our programming best practices and guidelines
• Advanced understanding of emerging web technologies

Key Functions & Roles of the Candidate:

• Would be part of core technical team and will be updating the product with new and challenging tasks
• Good understanding of the concepts behind models, collections, and views
• Familiarity with input validation techniques and approaches
• Ability to perform in a fast-paced, deadline-driven environment
• Enthusiasm for innovation in the tech industry, including continuous learning and improvement

Specific Skill Set:

• Salesforce Implementation or Knowledge
• Node.js, MongoDB, Heroku API
• API and NODE.JS is a must

Minimum 5-7years of professional experience building web-applications
Strong experience in backend development
Strong experience in AI/Machine Learning development, Data Analysis/Processing
Experience in creating robust and secure REST APIs
Hands-on exposure to RDBMS like PostgreSQL, MySQL, MariaDB etc.
Proficiency with one or more programming languages from Java, Python, Node/JavaScript
Solid familiarity working with cloud and related technologies, AWS, GCP and Azure cloud environments
Ability to do very quick research in unknown technologies
Startup mindset, comfort with chaos and multi-tasking ability
Strong programming fundamentals in Data Structures, Algorithms
An eye for writing performance optimum code in any tool set