


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
About
Connect with the team
Similar jobs

We are seeking a talented and motivated Backend Developer to join our dynamic team. As a senior Backend Developer, you will play a crucial role in enhancing and expanding our AI productivity tool, working on the intersection of natural language understanding (NLU), event-condition-action (ECA) frameworks.
Key Responsibilities:
- Collaborate with cross-functional teams to design and implement advanced features for our AI productivity tool.
- Innovate and propose creative solutions to enhance the functionality and user experience of the platform.
- Develop back-end components of the AI productivity tool, ensuring performance and scalability.
- Design and implement robust backend services and APIs using Python- Django.
Requirements:
- Bachelor's/Master's degree in Computer Science or a related field.
- Proven experience (3-4 years) as a Software Development Engineer, with a focus on Python- Django
- Strong problem-solving skills and the ability to think creatively.
- Ability to take up different tech stacks.
- Mathematical experience preferred.
- Proficiency in Backend Technologies as well as a basic understanding of Frontend technologies.
Nice-to-Haves:
- Experience with cloud platforms and services.
- Experience with Frontend Technologies.
- Track record of contributing to open-source projects.
- Passion for staying updated on the latest trends in AI and technology.
As an engineer, you will help with the implementation, and launch of many key product features. You will get an opportunity to work on a wide range of technologies (including Spring, AWS Elastic Search, Lambda, ECS, Redis, Spark, Kafka etc.) and apply new technologies for solving problems. You will have an influence on defining product features, drive operational excellence, and spearhead the best practices that enable a quality product. You will get to work with skilled and motivated engineers who are already contributing to building high-scale and high-available systems.
If you are looking for an opportunity to work on leading technologies and would like to build product technology that can cater millions of customers inclined towards providing them the best experience, and relish large ownership and diverse technologies, join our team today!
What You'll Do:
- Creating detailed design, working on development and performing code reviews.
- Implementing validation and support activities in line with architecture requirements
- Help the team translate the business requirements into R&D tasks and manage the roadmap of the R&D tasks.
- Designing, building, and implementation of the product; participating in requirements elicitation, validation of architecture, creation and review of high and low level design, assigning and reviewing tasks for product implementation.
- Work closely with product managers, UX designers and end users and integrating software components into a fully functional system
- Ownership of product/feature end-to-end for all phases from the development to the production.
- Ensuring the developed features are scalable and highly available with no quality concerns.
- Work closely with senior engineers for refining the and implementation.
- Management and execution against project plans and delivery commitments.
- Assist directly and indirectly in the continual hiring and development of technical talent.
- Create and execute appropriate quality plans, project plans, test strategies and processes for development activities in concert with business and project management efforts.
The ideal candidate is a passionate engineer about delivering experiences that delight customers and creating solutions that are robust. He/she should be able to commit and own the deliveries end-to-end.
What You'll Need:
- A Bachelor's degree in Computer Science or related technical discipline.
- 2-3+ years of Software Development experience with proficiency in Java or equivalent object-oriented languages, coupled with design and SOA
- Fluency with Java, and Spring is good.
- Experience in JEE applications and frameworks like struts, spring, mybatis, maven, gradle
- Strong knowledge of Data Structures, Algorithms and CS fundamentals.
- Experience in at least one shell scripting language, SQL, SQL Server, PostgreSQL and data modeling skills
- Excellent analytical and reasoning skills
- Ability to learn new domains and deliver output
- Hands on Experience with the core AWS services
- Experience working with CI/CD tools (Jenkins, Spinnaker, Nexus, GitLab, TeamCity, GoCD, etc.)
- Expertise in at least one of the following:
- Kafka, ZeroMQ, AWS SNS/SQS, or equivalent streaming technology
- Distributed cache/in memory data grids like Redis, Hazelcast, Ignite, or Memcached
- Distributed column store databases like Snowflake, Cassandra, or HBase
- Spark, Flink, Beam, or equivalent streaming data processing frameworks
- Proficient with writing and reviewing Python and other object-oriented language(s) are a plus
- Experience building automations and CICD pipelines (integration, testing, deployment)
- Experience with Kubernetes would be a plus.
- Good understanding of working with distributed teams using Agile: Scrum, Kanban
- Strong interpersonal skills as well as excellent written and verbal communication skills
• Attention to detail and quality, and the ability to work well in and across teams

1. Develop backend for applications in ecommerce/insurance/wealth management businesses
2. Design technically sound systems and deliver results in a fast manner
3. Building highly performant applications setting top standards in respective industries
Basic qualifications :
1. 2-4 years experience building highly performant applications in Python
2. Expertise in Python frameworks like Django
3. Familiarity with Rest of API
5. Good grasp on data structures and proficiency in problem-solving
6. Knowledge of design patterns
Anyone interested send me the resume.

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.
Roles and Responsibilities
• Production platform hands-on experience involving Node JS & REST API.
• Hands-on production platform experience working with micro-service back-end architecture.
• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.
• Well-versed in cloud deployment of code blocks.
• Experience with JS testing and code analysis frameworks such as Mocha.
• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.
• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.
• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.
• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.
• Utilize AWS S3 bucket for secure and scalable storage of data and media files.
• Collaborate with QA engineers to perform thorough testing and bug fixes.
• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.


FactWise is a fully funded, early-stage startup building b2b SaaS for a global SMB client base. Our team has alumni from MIT, Stanford, GeorgiaTech, UCL, the IITs, VJTI, Amazon and McKinsey, and currently comprises frontend, backend, full stack developers, UI/UX engineers, product managers, data scientist, and Ops, HR, Marketing. We'd love to get to know you better!
As a member of the development group, you will be primarily responsible for the design, development, and maintenance of the product:
- Help define and create full stack architecture and deployment using React- Django-AWS in an agile environment with lots of ownership and active mentoring.
- Work with the Product and Design teams to build new features to solve business problems and fill business needs
- Participate in code reviews to create robust and maintainable code
- Work in an agile environment where quick iterations and good feedback are a way of life
- Interact with other stakeholders for requirement, design discussions and for adoption of new features
- Communicate and coordinate with our support and professional services teams to solve customer issues.
- Help scale our platform as we expand our product across various markets and verticals globally.
As a young startup, we are hoping to be joined by self-starting, hardworking, passionate individuals who are committed to delivering their best, who can grow into future leaders of FactWise.


Must have 1+ Years of experience.
Location: Apart from the East Indian States it will be permanent work from home.
Requirements:
- Work experience as a Python Developer
- Expertise in at least one popular Python framework (like Django, Flask or Pyramid)
- Team spirit
- Good problem-solving skills
- BSc in Computer Science, Engineering or relevant field

- As a Senior Software Engineer you will work closely with the Tech Lead, and the rest of the engineering team to build and scale a data-driven platform. This role will act as a great springboard to accelerate career growth & transition into a Tech Lead level role.
- Your primary focus will be the development of server-side logic, building new services and APIs, developing core business logic, supporting the maintenance of current APIs, reviewing work, and improving the performance and reliability of our systems as we rapidly scale our product and organization.
- An effective Senior Software Engineer will be a self-motivated learner; a highly creative engineer having obsessive attention towards detail and thoroughness.
Must Haves
- You’ve been building web applications professionally for 5+ years
- You’re proficient in PHP 7, Laravel, and PostgreSQL
- You possess strong OOP and design pattern knowledge
- Familiar with modern engineering practices: Code Reviews, Continuous Deployment, Automated Testing, etc
- You write understandable, testable code with an eye towards maintainability and experienced with TDD (Test Driven Development)
- You’ve the ability to build RESTful APIs
- Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
- Well versed with the fundamentals of computer science and distributed systems
Nice-to-haves
- FrontEnd experience; have built applications in either: React, Vue, Angular, or Svelte
- Startup experience, preferably a tech startup
- Open Source contributor
- You have experience with other programming languages -- e.g. NodeJS, Python, Ruby, Go, C, etc.
- Passionate about/experienced with open source and developer tools
- You have a bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience
Bonus
- Experience deploying applications; AWS, DigitalOcean, etc.
- Experience with leading a team of 3+ developers
Apply if
- You want to be a team member rather than an employee - cultural fit is the most important thing. Start-up life is a roller coaster and we want to make sure no matter how the day has gone we can still go out (virtually) for a pint at the end of it
- You take ownership
- You’ve an eye for detail
- You’re a problem solver, and a perpetual learner
- You possess a positive and solution-oriented mindset






