
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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CTC: up to 20 LPA
Exp: 4 to 7 Years
Required Qualifications
- Bachelor's degree in Computer Science, Information Technology, or related field
- 4+ years of experience in software development
- Strong proficiency in Java with deep understanding of web technology stack
- Hands-on experience developing applications with Spring Boot framework
- Solid understanding of Python programming language with practical Flask framework experience
- Working knowledge of NATS server for messaging and streaming data
- Experience deploying and managing applications in Kubernetes
- Understanding of microservices architecture and RESTful API design
- Familiarity with containerization technologies (Docker)
- Experience with version control systems (Git)
Skills & Competencies
- Skills Java (Spring Boot, Spring Cloud, Spring Security)
- Python (Flask, SQL Alchemy, REST APIs)
- NATS messaging patterns (pub/sub, request/reply, queue groups)
- Kubernetes (deployments, services, ingress, ConfigMaps, Secrets)
- Web technologies (HTTP, REST, WebSocket, gRPC)
- Container orchestration and management
- Soft Skills Problem-solving and analytical thinking
Job description
Tech Stack: C#, .NET Core, XUnit, Entity Framework Core, MS SQL Server, PostgreSQL, Git, JIRA, Confluence
Senior (Lead) .NET Developer Responsibilities: -
Interface with product owners and software architects to review and finalize requirements
- Participate in the full SDLC including analysis, design, development, testing, deployment, and support of new features and applications
- Actively lead and participate in agile ceremonies (Standups, Refinements, Retrospectives, Planning, and Requirement’s discussions)
- Communicate effectively, clearly, and thoroughly with the Scrum Team and Stakeholders - Provide innovative solutions to complex problems
- Design, develop and modify software applications/systems according to specifications
- Develop technical documentation including services, object, and data model
- Create high quality code and perform code reviews
- Create unit and integration tests to ensure the code quality and functionality
- Proactively learn and share knowledge of technology and compare advantages and disadvantages of alternative solutions/technologies
- Identify areas needing process improvements and see them through to resolution
- Support and coach other Developers, provide technical guidance
- Help onboard new team members
Job Type: Full-time
Role Description
- We are looking to add a Software Engineer to contribute to the development, upgradation and management of our back end services for our website / PWA / app / chatbot / internal tools.
- You will be part of a lean team with a very steep learning / growth opportunity while working on and exploring some of the cutting edge technologies
- This is a full-time role in Mumbai with flexible working hours (including WFH)
- You will be working closely with the founder and be involved in strategic decisions such as back end architecture, tech stack selection, hiring, etc.
- We have multiple products in the pipeline and we need a strong team player who can contribute shoulder-to-shoulder with the existing team in the software development process.
- CTC offered: upto Rs. 22 Lakhs
What are we looking for in the candidate?
- Must have qualities: logical & independent thinker; problem solver; result oriented; takes ownership; ability to work indepenently with end-to-end output delivery; ability to structure the code (to avoid rework in future)
- Experience in writing production quality code in NodeJS, Python, Java, or Ruby on Rails
- Hands on experience in design web application using ExpressJS, Koa, Django
- Experience in designing and developing REST API. Familiarity with GraphQL is a plus.
- Proficient in dealing with SQL and NoSQL databases like MySQL, PostgreSQL MongoDB, Elasticsearch.
- Experience with in-memory databases like Redis or MemCache; webserver like Apache, Nginx.
- Experience in stress testing and unit testing and familiarity with testing platforms is a plus
- Proven experience in implementing user authentication and authorization in distributed systems.
- Capability to integrate multiple data sources and databases into one system.
- Experience in designing and developing scalable system.
- Working experience with one of the cloud services like GCP, AWS , Digital Ocean, Azure, etc.
- Knowledge of low-code / no-code tools to expedite production is a plus
- Engineering degree; Computer Science preferably + minimum 2 years of work experience as a Back End Engineer (NOTE: Please do not apply if you do not meet this criteria)
- Clear communication, strong inter-personal skills
What can you expect to gain from the role?
- Experience of a lifetime by disrupting the antiquated tech of Real Estate
- Steep learning curve with opportunity to
- Opportunity to generate immense wealth for yourselves from the equity allocation
- A good cash salary
- Standard perks (health insurance, medical benefits etc.)
Hiring Process
- CV screening
- Coding Test
- Technical Interview
About Us:
Three Wheels United works in the exciting fintech domain by developing novel solutions to improve financial inclusion and reduce pollution. Our solutions are backed by cutting edge technology which helps streamline complex financial instruments and improve operational efficiency between various partners. Three Wheels United has won several awards for its efforts in driving sustainable use of resources and promoting clean technology and not surprisingly is backed by multiple international and national venture funds.
Being a start-up, Three Wheels United offers a challenging fast-paced environment to learn and grow by providing you opportunities to step out of comfort zone and tinker with your creative and innovative side and host various responsibilities.
Technology Description:
In collaboration with Microsoft Research, we are developing a data-driven lending platform catered towards the needs of “emerging markets” users. The complete platform has various components, all working in tandem to provide a “comfortable” loan journey for our borrowers by working on increasing their ability to earn more as well as improving their willingness to repay. As someone joining the technology team, you’ll have the chance to experience and lead efforts into scaling the existing systems to thousands of users across India and outside. You’ll also get a chance to learn the various nuances of working in the domain of finance and sustainable technology development.
We are looking for outstanding engineers to assist building up the core components as well as designing new components. Knowledge of existing technologies is preferred, but ultimately, we are looking for individuals with a growth mindset, willing to learn and contribute to their growth and the growth of their peers.
Funding and Partnerships:
Our lending model has been identified as one of the most innovative in global south by the Climate Finance Lab and we have raised seed funds from global Angel investors to scale our operations. We work closely with Microsoft Research India and Mahindra Electric as our technology partners. The technology team is being incubated at Microsoft Research’s Center of AI and Societal Impact and will work closely with Researchers to iron out the platform. https://hashedin.com/blog/acm-sigchis-1st-bangalore-chapter-user-research-in-action/">HashedIn and Diode cover in brief our partnership with Microsoft Research’s TEM group and the work around financial inclusion and sustainable technology development.
Responsibilities:
- Develop, modify, and maintain code base of various applications.
- Coordinating with a remote team and applying appropriate branching, labelling using GIT.
- Adding features to the existing web dashboard for monitoring and supporting field operations.
- Implementing application testability and diagnostics and fixing bug with REDUX architecture.
Good to Have:
- 2+ years’ experience with development of Restful APIs.
- Knowledge of MVC architecture.
- Strong Knowledge of Database management and OOP.
- Any prior experience of using CD/CI pipelines and experience with azure web services.
Great to Have:
- Contributions to Opensource projects.
- Contributions to developer community through Stack Overflow, TopCoder, CodeChef, Google Developer Groups etc.
- Relevant personal or public technical blogs
The B2B manufacturing industry has a lack of digitisation globally. NowPurchase is building layers of technology to help improve the productivity and profits of the manufacturer. For this we are building the OS (Operating System) that will seamlessly connect factory equipment such as furnaces and spectrometers to our software systems that provide real time optimisations.
The end-game is to use this interconnected system to do great production planning and autonomous procurement of their raw materials. The Heart of NowPurchase will be a marketplace consisting of these smart factories and raw material suppliers.
Here a video that explains our product journey:
[https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21](https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21)
**Role Description**
NowPurchase is looking to add an immensely talented Backend Developer that will help us invent, design, refine and deliver products that will meet the above vision.
- Expect to build a lot of services and APIs in the cloud and stand-alone IoT devices to serve both the browser as well as native IoT enabled terminals that will be placed at the manufacturers' premises.
- Expect designing algorithms that model the metallurgy of the manufacturing processes as well as using tools such as linear programming, machine learning etc.
**What are the expectations from this role?**
- Deliver high quality modular code deployed to serve web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets. This would include algorithms for real time optimizations that are critical for the manufacturing process.
- You are empowered to work directly with leadership and the product team to make decisions about your code and future of the product.
- Have a strong emphasis on shipping features quickly without sacrificing code quality. Be ready to build a lot of MVPs that will go through iteration or be completely scrapped depending on the outcome at the customer end.
- Own your Agile projects and responsible for software design to implementation and deployment. Maintain sprints, delivery timelines and contribute to better managing the engineering team.
- Collaborate on the end to end design and implementation of the platform, including data modeling, systems architecture, data security, access controls, architecture, user experience, deployment, automation, and monitoring.
- Maintain a high level of data integrity, quality and security checks.
- Develop data pipelines and RESTful services that are distributed, robust and highly performant.
- Build a culture of simplicity and pragmatism, which is reflected in your elegant code that other developers emulate and you ensure through thorough code reviews and processes.
**Qualifications and Experience**
- 1+ years of demonstrated software engineering experience in an agile environment designing, architecting and implementing robust scalable systems preferably for modern SaaS application
- Experience with modern server-side programming languages such as Python, Scala, Go. Experience with web frameworks such as Django Rest Framework, Flask.
- Experience with architecting asynchronous services with design patters leveraging PostgreSQL, MongoDB, Redis, Celery for storage and multi-tenant servers over AWS Elastic BeanStalk.
**Compensation & Benefits**
- **Cash Compensation:** As per industry standards & pedigree of candidate
- **ESOPs:** 10% of NowPurchase is dedicated to current & future team members. Your package would entail some ESOPs so that you own a part of the company and grow along with it.
- **Medical Insurance:** Benefits of group insurance of 3 lakhs for family including parents, spouse, children
- **Generous leave structure and WFHs** including Marriage, Maternity & Paternity leaves
- **Complete Relocation Expenses:** We are building a unicorn out of the city of Joy (Kolkata). We will pay for everything you spend to relocate here.
**Possible Growth path**
Backend Developer > Senior Backend End Engineer > Engineering Manager > VP of Engineering
## **Tech Stack**
- React/Redux
- Python/Django/Celery
- Git, AWS, ELB (Elastic Beanstalk), Netlify
- PostgreSQL/Redis/S3
**Hiring Process**
1. Screening of applicants & initial telephonic call with Manager -HR
2. F2F/Video Interview with Engineering Manager and Cofounder CTO
3. Take home written assessment
4. F2F/Video Interview with Cofounder CEO
5. Email communication on final feedback
The end to end process shall take less than 10 days. We pride ourselves on being transparent & moving fast.
*Candidates who accept an offer may join within 1 hour, 1 week or up to 45days of signing - though, we have a preference for as short a gap period between signing and joining since we're at the most exciting part of our journey - laying the foundation for the NowPurchase platform!*

Job Description for Senior Python Developer
Experience: 4 to 7 years
- Must have strong knowledge in Python 2/Python 3
- Must have a strong knowledge of Web development using the Django web framework and API development experience using Django REST API.
- Flask framework or any other framework’s knowledge is great.
- Ability to write reusable, testable, and efficient code
- Team Handling exposure
- Knowledge of Standard databases like MySql, PostgreSQL and NoSQL databases like MongoDB, Firebase, etc. Able to create database schemas that represent and support business processes.
- Understanding of fundamental design principles behind a scalable application
- Must be good at understanding client requirements.
- Good testing/debugging skills using standard python modules/IDEs
- Deployment experience with standard servers like Apache/AWS etc.
- Experience in testing frameworks known in the industry.
- Having good/basic knowledge of Front end Technologies HTML, CSS, Bootstrap, JavaScript is good.
- Proficient understanding of code versioning tools - GIT
The candidate must have experience in coding part and team handling experience both
- Writing efficient, reusable, testable, and scalable code
- Understanding, analyzing, and implementing – Business needs, feature modification requests, conversion into software components
- Integration of user-oriented elements into different applications, data storage solutions
- Developing – Backend components to enhance performance and receptiveness, server-side logic, and platform, statistical learning models, highly responsive web applications
- Designing and implementing – High availability and low latency applications, data protection and security features
- Performance tuning and automation of application
- Working with Python libraries like Pandas, NumPy, etc.
- Creating predictive models for AI and ML-based features
- Keeping abreast with the latest technology and trends
- Fine-tune and develop AI/ML-based algorithms based on results
Technical Skills-
Good proficiency in,
- Python frameworks like Django, etc.
- Web frameworks and RESTful APIs
- Core Python fundamentals and programming
- Code packaging, release, and deployment
- Database knowledge
- Circles, conditional and control statements
- Object-relational mapping
- Code versioning tools like Git, Bitbucket
Fundamental understanding of,
- Front-end technologies like JS, CSS3 and HTML5
- AI, ML, Deep Learning, Version Control, Neural networking
- Data visualization, statistics, data analytics
- Design principles that are executable for a scalable app
- Creating predictive models
- Libraries like Tensorflow, Scikit-learn, etc
- Multi-process architecture
- Basic knowledge about Object Relational Mapper libraries
- Ability to integrate databases and various data sources into a unified system
- Basic knowledge about Object Relational Mapper libraries
- Ability to integrate databases and various data sources into a unified system
● 3-6 Years of experience with a Bachelor’s/Master's degree in Computer Science, Math, or related
technical domain
● Skilled in software development lifecycle, and designing and developing large-scale, multi-tiered,
distributed software applications, tools, systems or services using Object Oriented Design,
distributed programming, Java, Python, Node.js.
● Knowledge of ORM tools like Hibernate, JPA.
● Good knowledge of one or more relational and NoSQL databases
● Experience in deployment of microservices over Amazon Web Services
● Experience in delivering quality products using microservices architecture.
● Knowledge of Agile methodologies & best practices for the full software development life cycle,
including coding standards, code reviews, source control management, build processes, testing,
and operations
● Strong hold on Data Structure, Problem solving skills
To succeed at Zest, you will need
● Ability to operate and communicate with every business unit and level of hierarchy
● High levels of energy and enthusiasm for all that you do
● Be someone who does not take “no” for an answer and pushes for continuous innovation and
evolution
● Have extremely high standards in everything you do – you will be required to keep raising the bar
● Ability to think big and to inspire a vision in others
● Kindness, warmth and a positive, optimistic attitude
And what do you get in return?
● Opportunity to be part of one of the most exciting consumer growth stories in the world
● One of the best funded and most far advanced companies in the space (investors are leading
global VCs)
● We will teach you all you need to know about “Fintech”
● Endless amounts of learning and development – formal and informal
● Ability to work with some of the best, nicest and most passionate people in the digital lending
industry – from all over the world
● Founders with the right vision and motivation to make this a success story
● Freedom to work how you like (we do not do ‘facetime’)
● A culture of trust and honesty – we will not second guess you
● A flat structure with minimal politics or hierarchy
● Recognition and respect for your work
● Market beating compensation and Equity ownership for the best candidate
● Lunch, great healthcare, decent coffee and a nice office.







