Backend Python Developer

Shortened version:

• 5+ years experience in Python with strong core concepts (OOP, data structures, exception handling, problem-solving)
• Experience with FastAPI (preferred) or Flask/Django
• Strong REST API development & authentication (JWT/OAuth)
• SQL (MySQL/PostgreSQL) & NoSQL (MongoDB/Firestore) experience
• Basic cloud knowledge (GCP or AWS)
• Git, code reviews, clean coding & performance optimization
• Good communication and teamwork skills

Responsibilities:

• Build and maintain scalable backend apps and REST APIs
• Work with databases, third-party integrations, and cloud deployments
• Write clean, testable, optimized code
• Debug, troubleshoot, and improve performance
• Collaborate with team on technical solutions

Good to have:

• GCP (BigQuery, Dataflow, Cloud Functions)
• Microservices, Redis/Kafka/RabbitMQ
• Docker, CI/CD
• Basic Pandas/Numpy for data handling

Perks & Benefits

• 5 Days Working
• Family Health Insurance
• Relaxation Area
• Affordable Lunch
• Free Snacks & Drinks
• Open Work Culture
• Competitive Salary & Benefits
• Festival Celebrations
• International Exposure Opportunities
• 20 Paid Leaves per Year
• Marriage Leave & Parental Leave Policy

Job Title: Backend Developer - Fintech

Responsibilities:

• Architect and Develop: Design, build, and maintain secure, scalable, and efficient RESTful APIs using Django Rest Framework, ensuring compliance with regulatory requirements.
• Collaborate: Work closely with cross-functional teams to gather requirements and translate them into technical specifications and actionable plans.
• Debug and Resolve: Identify and fix backend issues and bugs, ensuring a seamless user experience for financial applications.
• Optimize Systems: Continuously enhance backend systems for performance, scalability, and resource efficiency.
• Code Quality: Uphold high standards of code quality, organization, and implement automated testing processes to meet industry standards.
• Stay Updated: Keep abreast of fintech industry trends, technological advancements, and regulatory updates to continually improve backend architecture.

Requirements:

• Experience: 5+ years of proven experience in backend development with a strong skill set in Python and Django.
• API Development: Extensive experience in developing secure and compliant RESTful APIs using Django Rest Framework.
• Database Proficiency: In-depth knowledge of MySQL for database design, optimization, and maintenance; experience with MongoDB is a plus.
• DevOps: Proficiency in DevOps practices, including CI/CD pipelines, infrastructure as code, and containerization.
• Cloud Services: Exposure to cloud services (AWS, GCP) with an emphasis on security and regulatory compliance.
• Software Principles: Solid understanding of software development principles, design patterns, and best practices in the fintech domain.
• Agile Environment: Experience working in an Agile/Scrum development environment.
• Problem-Solving: Excellent problem-solving and analytical skills, with keen attention to detail.
• Collaboration: Strong communication and collaboration skills to work effectively in a team-oriented fintech environment.
• Version Control: Proficiency with Git for version control and collaborative development.

Preferred Skills:

• Asynchronous Processing: Familiarity with asynchronous task processing using Celery or similar technologies, especially in financial transaction processing.
• AWS Expertise: Strong knowledge of AWS services and infrastructure, including EC2, S3, RDS, Lambda, with a focus on security and compliance.
• GCP Expertise : VPC, Virtual Machines, SQL, IP whitelisting
• Caching Mechanisms: Experience with caching mechanisms (e.g., Redis) for optimizing real-time data access and processing.
• Continuous Learning: Eagerness to learn and adapt, staying updated with emerging technologies and methodologies in backend development and the fintech industry.

What are the Key Responsibilities:

• Responsibilities include writing and testing code, debugging programs, and integrating applications with third-party web services. 
• Write effective, scalable code
• Develop back-end components to improve responsiveness and overall performance
• Integrate user-facing elements into applications
• Improve functionality of existing systems
• Implement security and data protection solutions
• Assess and prioritize feature requests
• Creates customized applications for smaller tasks to enhance website capability based on business needs
• Ensures web pages are functional across different browser types; conducts tests to verify user functionality
• Verifies compliance with accessibility standards
• Assists in resolving moderately complex production support problems

What are we looking for:

• 3+ Years of work experience as a Python Developer
• Expertise in at least one popular Python framework: Django
• Knowledge of NoSQL databases (Elastic search, MongoDB)
• Familiarity with front-end technologies like JavaScript, HTML5, and CSS3
• Familiarity with Apache Kafka will give you an edge over others
• Good understanding of the operating system and networking concepts
• Good analytical and troubleshooting skills
• Graduation/Post Graduation in Computer Science / IT / Software Engineering
• Decent verbal and written communication skills to communicate with customers, support personnel, and management

• Previous working experience as a Python Web Developer for min 2 years.

• Hands-on experience with Django, Flask, or other Python frameworks.

• Experience with Design implementation of objects and data models.

• Working knowledge in JavaScript, HTML5, CSS3.

• Understanding of CI/CD practices.

• Familiarity with some ORM (Object Relational Mapper) libraries.

• Proficient understanding of code versioning tools such as Git, Mercurial, or SVN.

• Hands-on experience with complex scripts in Python to capture business logic and automate system management tasks.

• Back-end software development
• Software engineering and designing data models and write effective APIs
• Working together with engineers and product teams
• Understanding business use cases and requirements for different internal teams
• Maintenance of existing projects and New feature development
• Consume and integrate classifier/ ML snippets from Data science team

What we are looking for:

• 2+ years of industry experience with the Python and Django framework.
• Degree in Computer Science or related field
• Good analytical skills with strong fundamentals of data structures and algorithms
• Experience building backend services with hands-on experience through all stages of Agile software development life cycle. 
• Ability to write optimized codes,debug programs, and integrate applications with third party tools by developing various APIs
• Experience with Databases.
• Experience with writing REST-APIs.
• Prototyping initial collection and leveraging existing tools and/or creating new tools
• Experience working different types of datasets (e.g. unstructured, semi-structured, with missing information)
• Ability to think critically and creatively in a dynamic environment, while picking up new tools and domain knowledge along the way
• A positive attitude, and a growth mindset

Bonus:

• Experience with relevant Python libraries such as Requests, sklearn, Selenium
• Hands on experience in Machine learning implementations
• Experience with Cloud infrastructure (e.g. AWS) and relevant microservices
• Good Humor

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!  

• At least 2-5 years of working experience in web services, preferably in Python
• Should have built and released APIs in production
• Experience working with RDBMS and NoSQL databases
• Designing thoughtful, extensible data models
• Knowledge of identifying, defining and building micro-services
• Working knowledge of GCS, AWS, Azure or any other cloud provider
• Aggressive problem diagnosis and creative problem-solving skills
• Good communication skills - written and spoken