
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

About Fulfil.IO
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- Lead the development of the backend systems for our first product
- Build reliable, secure and performant backend systems
- Drive test coverage and continuous delivery automation within the team
- Mentor and provide feedback to teammates
Requirements
- 5+ years of software development experience
- Strong computer science fundamentals
- Deep and wide knowledge of Python ecosystem
- Can write code that is readable, maintainable, secure and performant
- Know the importance of tests and how to approach writing different types of tests
- Good intuition for REST API design
- Deep understanding of relational databases, transactions, entity-relationship modeling
- Comfortable writing highly concurrent systems
- Experienced in using profilers, tuning garbage collection, optimizing SQL queries
💥 What will you do?
As a Lead Backend Engineer, you will
- Build out and help scale our Django (+ReactJS / VueJS) based web application as we add new features and customers
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Help us transition from monolithic system architecture to microservices and serverless system architecture to help meet our future scaling requirements
- Collaborate on a daily basis with a small, nimble team of product managers, engineers, and UX designers to understand business requirements and user experience goals and pain points.
- Build out features to enable multi-channel customer acquisition include partner channels, enterprise channels, and government channels
- Integrate third-party plugins to enhance customer experience and internal tooling build internal tooling to improve internal team efficiencies.
- Actively participate in code reviews
- Work with our quality assurance team to improve coverage on our automated testing suites
🙋 What are we looking for?
While we do not have a strict list of requirements for candidates interested in this role, some indicators that you would fit this role and our engineering culture are
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Prior experience of a few years (3+ years) with python based frameworks as Django or Flask would be essential to work on our application stack.
-
You actively promote a culture of engineering excellence some of which could be writing efficient code, use of elegant design patterns, and styling your code through code-linting policies.
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You enjoy designing software architecture by collaborating with engineering managers, architects, and other lead engineers to explore existing systems, determining areas of complexity, potential risks to successful implementation.
- You enjoy coaching folks to achieve outcomes through nudges.
📢 Other information you may want to consider
- We will be flexible for the rest of the pandemic and work remotely; however, we are not a remote-first company, and the work location would be Bangalore when things settle.
- Our backend tech stack includes Django, FastAPI, Postgres, Redis, Clickhouse, and TigerGraph. Our environments are managed through Docker, Kubernetes, and Terraform.
About us:
HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.
We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.
To know more, Visit! https://www.happyfox.com/
We’re looking for a Senior Backend Engineer to join our engineering team to help build and maintain our growing list of products. You should have prior experience being responsible for building sufficiently complex features by yourself.
Responsibilities:
- Implement product features by writing clean, robust, reusable code with tests
- Conduct peer reviews to keep the codebase a great environment to work on
- Collaborate with Product Managers, Designers and Engineers to deliver high-quality features
- Bring new ideas and best practices to improve the team and the codebase
Requirements:
- 5+ years of professional work experience
- Proficiency in backend programming languages like Python
- Experience working with web application frameworks like Django
- Experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
- Proficiency in writing highly performant and scalable code
- Experience in building REST APIs and a good understanding of best practices around building APIs
- Good communication skills with an ability to articulate your views
- Excellent analytical and problem-solving skills
Position description:
- Architecture & Design systems for Predictive analysis and writing algorithms to deal with financial data
- Must have experience on web services and APIs (REST, JSON, and similar) and creation and consumption of RESTful APIs
- Proficiently writing algorithms with Python/Pandas/Numpy; Jupyter/PyCharm
- Experience with relational and NoSQL databases (Eg. MSSQL, MongoDB, Redshift, PostgreSQL, Redis)
- Implementing Machine Learning Models using Python/R for best performance
- Working with Time Series Data & analyzing large data sets.
- Implementing financial strategies in python and generating reports to analyze the strategy results.
Primary Responsibilities:
- Writing algorithms to deal with financial data and Implementing financial strategies in (Python, SQL) and generating reports to analyze the strategy results.
Educational qualifications preferred Degree: Bachelors degree
Required Knowledge:
- Highly skilled in SQL, Python, Pandas, Numpy, Machine Learning, Predictive Modelling, Algorithm designing, OOPS concepts
- 2 - 7 years Full-Time working experience on core SQL, Python role (Non-Support)
- Bachelor’s Degree in Engineering, equivalent or higher education.
- Writing algorithms to deal with financial data and Implementing financial strategies in (Python, SQL) and generating reports to analyze the strategy results.
Required Skills:
- Expert in Python and Django framework
- Expert in developing backend applications with RESTful APIs Using Django Rest Framework
- Good understanding of front-end technologies, such as JavaScript, ReactJS , HTML5, and CSS3
- Understanding of fundamental design principles behind a scalable application
- Proficient understanding of GitHub
- Strong programming basics, with a clear understanding of Object-Oriented and Functional programming.
- Good communication skills and ability to work with global teams to define and deliver on projects.
Job Title: Python Developer
Job Location: Pune ( Baner)
Experience: 4 to 8 years
Notice Period: 1 Month or Less
Skills: Python (Django, Flask), MySQL, Strong focus on OOPS and Architecture, Bitbucket/GitHub, NoSQL
Technical Requirements:
- Experience in developing web applications and APIs(REST, XML, other open sources)
- Strong programming foundation in Python, MYSQL & OOPS Experience in Django/Flask
- Experience & Good understanding of HTML5, CSS3, Bootstrap, Ajax, JS etc while experience on Angular, Node JS will be an added advantage.
- Solid exposure of API integrationsand familiar with various design & architectural patterns.
- In depth knowledge of Source Code Repository and experience working with Bit-bucket.
- Experience working on Apache HTTP or any other web/app server.
- Hands on experience in DB design, Architecture, coding, unit testing and debugging.
- Experience working in an Agile development environment.
- Sound in data structure analysis and algorithm design.
- Ensure cross-platform compatibility of information retrieved from web services on Android and iOS platforms, in terms of Push Notifications, platform-specific issues, etc
- Good knowledge of relational databases, version control tools and of developing web services.
- Strong understanding of the software development life cycle and best practices
Roles and Responsibilities:
- Should be a problem solver with an attitude to contribute towards the success of Team/Project as well as organization.
- Should be able to guide other members in the team
- Should take initiatives to improve code quality standards and team efficiency.
- Should be able to Participate in the requirements gathering and come up efficient solutions
- Should be able to Efficiently estimate on high and low level along with assessing risk items
making api and wokring on aws and s3 is added advantage.










