

Senior Software Engineer (Python)
Job description
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
- 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 Us:
Fulfil.io helps high growth, high volume merchants simplify operations and scale for growth. With the rise in omni-channel commerce, Fulfil was founded with the simple idea that merchant operations need to be simplified in order to deliver amazing retail experiences. Fulfil enables businesses to turn their back office operations into an accelerator for growth by integrating order management, inventory management, warehouse management, vendor/supplier management, wholesale, manufacturing, financials and customer service, into one seamless solution. We believe merchants should love their operations platform, and we work hard to make that happen every single day. Fulfil.io is a trusted solution for brands like EndySleep, Mejuri, Lie-Nielson Toolworks, and many more.
Fulfil.io is a venture backed technology company with offices in San Francisco, Toronto, and Bangalore. The team is made up of people who want to feel challenged at work, be the best at their craft and learn from one another. We come from different backgrounds and experiences, all passionate about the work we do, the team we do it with, and the customers we do it for. Join us in our journey to simplify operations and empower merchants around the world!

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Job Responsibilities:
● Design, test, and build scalable backend python services
● Closely collaborate with marketing and product teams to build innovative, robust, and easy-to-use features that serve.
● Developing high-quality code based on detailed designs that cater to the product requirements.
● Responsible for troubleshooting, testing, and maintaining the core product software and databases to ensure strong optimization and functionality
Required Skills:
● Degree in Computer Science, Software Engineering or equivalent.
● Minimum 3+ years experience in software development.
● Expertise in Python 3.7, Django 2.2+, and REST APIs.
● Willingness to learn and ability to flourish in a dynamic, high-growth, entrepreneurial environment
● Hands-on, self-starter, capable of working independently
● True love for technology and what you do
● Maniacal attention to detail
A B.Tech/M.Tech in Computer Sc, a SDE should have 1-3 years of experience in SW solution development. We are specifically looking for a SDE who:
- is highly proficient in Java Coreand Spring boot applications including making high quality, highly performing code under JVM environment.
- has good working knowledge in design of n-Tier databases (Postgres, NoSQL DBs e.g. Cassandra/MongoDB)
- has worked in agile development environment under open source gitlab including testing, change management
- is highly proficient in OOD, extensibility, usability, understand data pre-processing
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- [Desirable] Ability to optimize an ML solution for accuracy and scale
- [Desirable] has experience in working with Advanced Java


Roles and Responsibilities
• Ability to create solution prototype and conduct proof of concept of new tools.
• Work in research and understanding of new tools and areas.
• Clearly articulate pros and cons of various technologies/platforms and perform
detailed analysis of business problems and technical environments to derive a
solution.
• Optimisation of the application for maximum speed and scalability.
• Work on feature development and bug fixing.
Technical skills
• Must have knowledge of the networking in Linux, and basics of computer networks in
general.
• Must have intermediate/advanced knowledge of one programming language,
preferably Python.
• Must have experience of writing shell scripts and configuration files.
• Should be proficient in bash.
• Should have excellent Linux administration capabilities.
• Working experience of SCM. Git is preferred.
• Knowledge of build and CI-CD tools, like Jenkins, Bamboo etc is a plus.
• Understanding of Architecture of OpenStack/Kubernetes is a plus.
• Code contributed to OpenStack/Kubernetes community will be a plus.
• Data Center network troubleshooting will be a plus.
• Understanding of NFV and SDN domain will be a plus.
Soft skills
• Excellent verbal and written communications skills.
• Highly driven, positive attitude, team player, self-learning, self motivating and flexibility
• Strong customer focus - Decent Networking and relationship management
• Flair for creativity and innovation
• Strategic thinking This is an individual contributor role and will need client interaction on technical side.
Must have Skill - Linux, Networking, Python, Cloud
Additional Skills-OpenStack, Kubernetes, Shell, Java, Development

As part of the engineering team, you would be expected to have
deep technology expertise with a passion for building highly scalable products.
This is a unique opportunity where you can impact the lives of people across 150+
countries!
Responsibilities
● Own architecture, design, development, and implementation of different modules/features of the services
● Design, develop, deploy and support web applications.
● Discover opportunities for performance improvements
● Recommend ways to improve reliability, efficiency and code quality
● Focus on continuous delivery and reducing complexity
● Carry out code reviews and manage pull requests
● Build applications based on micro-services architecture
Requirements
● Overall 1-3 years of experience in Backend development.
● B.E/B.Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,
IIITs or equivalent)
● Strong object oriented design skills & knowledge of design patterns
● Experience designing & developing distributed systems involving multiple web services, databases (both SQL and NoSQL), caches, queues, etc. taking into consideration scalability, availability, fault tolerance, consistency, etc. of the overall system
● Well-aware of and enforces development best practices: Unit Tests, Code Reviews,
Integration Tests, CI/CD, Monitoring, Alerting, etc

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We are looking for Sr. Laravel Developer. The candidate must have Good level of proficiency in PHP, MySQL, object-oriented JavaScript, HTML5, CSS3, AJAX, XML, JSON required and Write clean PHP code in a timely and scalable way.
Key Responsibilities
- Responsible to Code, Test, Deploy and Scale SaaS-based Products using PHP, MySQL, with Laravel and Lumen MVC framework.
- Can write functional requirement documents and guides others within the project / team.
- Develop, write and implement software programming applications following established architecture standards as well as software development and project management methodologies.
- Integrate / Develop to third-party APIs.
- Write high quality code using the guidelines and effectively debug the code; perform code review of junior members.
- Azure or Aws cloud knowledge is good to have.
- Proficient understanding of code versioning tools, such as SVN, GIT.
- Build and implement web applications and back-end services that integrate with mobile applications.
- Build reusable code and libraries for future use & Optimize application for maximum speed and scalability.
Skills
- Strong coding experience with Laravel (5.5 and above) and Lumen
- Knowledge of PHP frameworks like CodeIgniter / YII / Zend / Joomla / Drupal etc will be a plus point.
- Strong skills in OOPs PHP, MySQL, CSS, HTML5, jQuery, JavaScript, AJAX, Web Services, JSON.
- Must have used frameworks such as JQuery /Angular/ React JS/Backbone.
- Strong knowledge of design patterns and OOPs concepts.
- Experience with databases like MySQL / MariaDB / Postgres.
- Experience in Source Code Versioning GitHub / GitLab / BitBucket and continuous integration tools like Jenkins.
- Working knowledge of XML / JSON and third-party APIs.
- Good to have skills: knowledge of non-relational databases like MongoDB; Exposure to Varnish, Redis, Elastic Search, Apache Solr.
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