
A small description about the Company.
It is an Account Engagement Platform which helps B2B organizations to achieve predictable revenue growth by putting the power of AI, big data, and machine learning behind every member of the revenue team.
Looking for PYTHON DEVELOPER.

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Exp-Min Year
Location Kolkata-On site & Remote
Sal-Nego
JD
Hands on design and in depth development experience in Microsoft NET
· technologies including C#, ASP NET MVC, Web API, Entity Framework and LINQ
· knowledge of MS SQL Server 2014 above
· Experience with version control systems GIT
· Experience creating and consuming web services including REST JSON
· Skills (Technical / Specialist Skills)
· Proficiency in .NET Development with .NET Framework 4.5 or later, Asp.net MVC,
· C#, Web API, LINQ, Entity Framework, SQL Server 2014 or above, jQuery.
About OJ Commerce:
OJ Commerce is a fast-growing, profitable online retailer based in Florida, USA with a full-fledged India office based in Chennai driven by a sophisticated, data-driven system to run the operations with virtually no human intervention. We strive to be the best-in-class ecommerce company delivering exceptional value to customers by leveraging technology, innovation and brand-partnerships to provide a seamless & enjoyable shopping of high-quality products at the best prices to our customers.
Responsibilities:
Work with business-stakeholders to understand requirements, prototype, build and deploy it.
CRUD the backend code you own keeping maintenance, performance and security in mind.
Keep up breast of latest technologies and its ecosystem and adopt ones that aid safe product delivery at speed.
Automate the boring and mundane stuff for you prefer to be productive than being busy.
We are flat. Be responsible for professional growth of self and the team.
- Tune application for performance.
- Take initiatives and manage change to work towards business goals at speed without compromising safety.
- Coach full-stack developers on backend skills.
- Provides problem resolution support, specific to application issues, identifies and resolves problems in application software, determines symptoms and ensures accurate problem definition
Develop functional, architectural and other documentation as required for productive functioning of teams.
- Be the brand ambassador for OJ Commerce by speaking at meetups, conferences, etc.
- We are fluid. Be ready for changing dynamics in responsibilities from time to time. Exciting isn't?
- Take the lead in digital transformation of legacy applications.
What you need to shine?
- You have the prior experience in modernising legacy applications.
- You are a passionate hands-on developer with deep experience in building enterprise grade software in Microsoft ASP.NET Core, ASP.NET MVC, Web API, SOA, Micro-Services and RESTful Services with knowledge of SQL Server database.
- You have the ability to see and work on the big picture (Application Architecture) and devilish details (Complex Code).
- Strong experience in developing web applications using C#, VB.Net, .NET, LINQ, Net Framework 4.0, MVC 3/4/5, ASP.NET Web API, .Net Core etc.
- You are Cloud savvy, preferably Google Cloud.
- You have rich experience in Object-Oriented Programming (OOP) with good knowledge of practical design-patterns and its applications.
Hands-on experience in building SOA or Micro-services preferably on .NET Core.
Proven Architectural skills with high standards in Code quality
Knowledge of ReactJS/Typescript would be added advantage.
Practical experience in Agile development methodologies of using CI/CD.
Extreme Programming (TDD) experience is sought after by us.
What we Offer
- Greenfield opportunity to transform legacy backend applications to latest technology stack.
- Fast-paced start-up environment: This is not for the faint hearted; you need grit and passion as much as you need the core skills.
- Work in an interdisciplinary team where learning from one another and developing solutions cross-functionally is a key part of our culture.
- Golden opportunity to make history by making big business impact.
- Competitive salary to take good care of self and family.
- Insurance Benefits: Medical and Accident cover.
- Flexible Working Hours
- Working knowledge of XML, JAVA, REST, SOAP etc
- Basic knowledge of SQL, including the ability to author ad-hoc database queries.
- Is comfortable writing code in Ruby, Python, JavaScript, and Java and enjoys learning new languages and technologies.
- Has experience integrating APIs (major plus)
- Experienced integrating RESTful APIs into web applications (a plus)
- Is experienced with Github or the likes.
- Should have worked on Payment Gateway Applications.
- Has a technical degree in Computer Science, Engineering or Mathematics (MBA is an asset)
- Technical Product/Software certifications an asset
- Has 3 to 5 years of experience in a similar client-facing role
- Has previous experience in a traditional software engineering or Implementation role.
- Has strong analytical and debugging skills.
- Experienced with Salesforce is a plus
- Solution-driven, able to grasp new concepts quickly and efficiently, able to work alone or in a team, able to work with no supervision and under pressure
- Excels in a collaborative and cross-functional environment.
- Demonstrates professional communication skills on technical and business-related subjects
- Experience working with payment gateways a major plus including ecommerce and Retail Experience with continuous integration and test-driven development methodologies a plus
- Excellent time management, organization, and planning skills are essential
- Flexibility to travel as required to meet with clients
- Ability to comprehend and translate complex technical issues and apply to business solutions
- Demonstrate ability to articulate complex technical terms or processes into business language
- Ability to synthesize technical information and apply to business solutions
- Able to set priorities, influence others, and manage customer and partner expectations
- Demonstrated success in customer and partner relationship management
- You are motivated, think outside of the box, and understand the purpose of process and procedures
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Design and implement APIs and backend systems to support the functionality of our live stream shopping mobile application
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Integrate with third-party services and APIs to enable features such as payment processing, real-time inventory updates, and user authentication
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Collaborate with the front-end development team to ensure smooth and seamless integration between the front-end and backend systems
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Monitor and optimize the performance and scalability of our backend systems to ensure a seamless user experience
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Write clean, maintainable, and well-documented code
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Stay up-to-date with industry best practices and new technologies
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Bachelor's or Master's degree in Computer Science or a related field
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3+ years of experience in backend development
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Strong knowledge of at least one programming language, such as Java, Python, or Ruby
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Experience with RESTful APIs and microservices
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Experience with database design and SQL
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Experience with cloud computing platforms such as Amazon Web Services or Google Cloud Platform
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Excellent problem-solving and communication skills
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Experience with AWS
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Experience with live stream technology or e-commerce platforms
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Experience with agile development methodologies
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Experience with containerization and orchestration platforms such as Docker and Kubernetes
We're looking for someone to join a team dedicated to building performant APIs and backend services that deal with large volumes of data for the company's flagship, global consumer product. Small, high-impact teams require conscious planning and decision-making when it comes to design, architecture, and product features. So, it's essential that you enjoy working in such an environment.
We're a team that cares about simplicity and being able to build reliable, deterministic systems and platforms. Hence, our choice of tooling is usually battle-tested reliable software with a robust test suite.
How we work
- You won't deal with the hustle culture. We're focused on building well-thought-out, stable and reliable software and we try our best to ensure everyone understands the big picture and the immediate goals.
- We work a solid 6-8 hour days and don't slave away 24/7.
- We're a remote engineering team. This makes effective communication extremely important. Our teams have benefitted greatly from good written communication. This includes everything from the product specification to the API spec. We spend a lot of time writing READMEs. As a result our engineers work with greater clarity and planning.
- We deploy several times a day and rely on a good test suite to ensure we're not making life hard for our colleagues.
- We don't expect anyone to know everything, but we are curious and learn along the way.
- We learn about the fitness space and what it means to really be fit and not just Instagram fit.
The Python Backend Engineer position may be a good fit for you if:
- You have 3 (or more) years of experience building and maintaining cloud applications.
- You have built APIs with Python, Flask, Django or FastAPI before.
- You have experience working with relational databases like PostgresSQL or MySQL and have spent time writing SQL queries for large datasets.
- Experience in writing Unit tests with pytest.
- You have worked with Docker, docker-compose.
- Familiarity with the AWS ECS stack.
We want you to care about
- Good object oriented design
- Performant APIs
- Analysing why queries are slow and how to go about improving them.
- Understanding DNS, Load balancing, Caching and Hashing.
- Customer data and privacy.
Our API Stack services use:
- Python 3.8+, Typescript
- FastAPI, Flask, HapiJs
- PostgresSQL, MySQL
- Redis
- Celery
- Pytest, Jest for unit testing.
- Gitlab CI/CD
- Amazon ECS container services
Requirements
- 3-5 years of experience working on Python Environment
- Knowledge on software development methodologies and being able to work on projects individually or as part of a team. Should be able to work with AGILE methodology
- Knowledge of relational databases, version control tools and other development tools
- Understanding of the threading limitations of Python, and multi-process architecture
- Understanding of accessibility and security compliance
- Strong interest in learning new skills/technologies and curiosity to explore various Technologies.
- Should have strong analytical skills
- Good communication
- Able to integrate multiple data sources and databases into one system
- Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform
Must Required Skills:
- Python 2/3
- should have worked on one or more major Python web frameworks like Django.
- Worked with APIs development, integration of third-party APIs
- Working knowledge of MySQL databases integration with Python Environment.
We are looking for a Senior Back-end Node.js Developer who is passionate about design, architecture, and programming. Responsibilities include implementing business logic and developing APIs and services. Your primary focus will be development of all server-side logic, definition, and maintenance of databases, and ensuring high performance and responsiveness to requests from the front-end. If you are also passionate about Node.js and software design/architecture, we’d like to meet you.
Requirements:
- 2+ years working in back-end web development with Node.js
- 4+ years working with Javascript
- Experience with server-side templating languages
- Experience with Express.js
- Experience consuming and building robust RESTful APIs
- Experience with Relational Databases like MongoDB, MySQL
- Solid understanding and extensive experience with version control tools like Git
- Exceptional problem solving and ability to work independently
- Exceptional learning skills
- Fluency in both oral and written English
- Understanding of Agile methodologies
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!

Preferred Skills:
We want to really emphasize Spring Boot (2+ years although 1+ if candidate particularly strong) Using Redis as a caching technology with Spring Boot would be a strong plus
Using Redisson (a particular java client library that can be easily configured with Spring Boot) would be a strong plus
Knowledge of event based messaging systems (Amazon SNS, Amazon MQ, or Kafka (in AWS) Data Cleaning tools and techniques in CSV and Excel
Strong Knowledge of Spring Boot Dependency Injection and Configuration
Experience with APIs for popular e-commerce platforms (Magento, Shopify, Big Commerce, etc.)
SDLC (Software Development Lifecycle) Tools in the context of AWS. (Tools classified under DevOps)
Experience with managing AWS EC2 VM instances and using AWS managed Services (like S3, MySQL, VPC/Networking, Lambda, etc)
Performance Analysis Tools (Code Profiling) on Java VM and particularly Spring Boot
Experience in the development of Workflow or Business Process ApplicationsNice to Have:
Experience with Cassandra or MongoDB with Spring Boot
Horizontal Scaling with Spring Boot (considerations running multiple instances of Spring Boot instances)
Experience with placing Spring Boot applications in Docker/Kubernetes container ecosystems (especially in AWS)
Search technologies such as Lucene/SolrWhat we are looking for:
Strong Coding and design skills
Good command over Data Structures & Algorithms
The ability to produce bug-free and production-grade code
Skills we consider: MYSQL, Python, Django, MongoDB, React.JS, Angular.JS, D3.Js, Node.js, Express.JS, InfluxDb, Redis, Kafka, Garafana, Elastic Search, Docker, AWS, Java, Spring Boot, C++
Key Deliverables:-
1. Develop a very high sense of ownership, the zeal to build scalable applications
2. Develop a deep understanding of the start-up ecosystem
Work with a performance-oriented team driven by ownership and open to experiments
3. Build a customer-facing technology product for global customers
Design and develop end to end applications with very high quality
What we have to offer:-
1. Work with a performance-oriented team driven by ownership and open to experiments
2. Learn to design systems for high accuracy, efficiency, and scalability
Focus on delivering quality work within deadlines.
3. Candid culture. No politics.
4. As a team, we value ownership, continuous learning, consistency, and discipline.







