
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 description:
Job Title: PHP Developer
Location: Mumbai
Experience: 3–5 years
Immediate Joiners
Role & Responsibilities:
- Develop and maintain robust, scalable web applications using the Laravel framework.
- Collaborate with cross-functional teams to define, design, and deliver new features.
- Ensure the performance, quality, and responsiveness of applications.
- Identify and correct bottlenecks and fix bugs.
- Help maintain code quality, organization, and automation.
- Write clean, secure, and efficient code while following best practices.
- Build and maintain APIs and third-party integrations.
- Troubleshoot and debug application issues in development and production environments.
- Manage and optimize MySQL databases and queries.
- Participate in daily stand-ups, code reviews, and agile ceremonies.
Required Skills:
- Strong experience in developing web applications using Laravel (v8 or higher).
- Solid understanding of MVC architecture and OOP principles.
- Experience working with MySQL, including database design and query optimization.
- Hands-on knowledge of Eloquent ORM, migrations, seeders, and factories.
- Proficiency in PHP, HTML, CSS, JavaScript, and frontend libraries (like Bootstrap).
- Familiarity with RESTful APIs and API security best practices.
- Experience with version control systems such as Git.
- Understanding of application hosting, deployment, and CI/CD pipelines.
- Good analytical, problem-solving, and communication skills.
- Ability to work independently and take ownership of projects.
Preferred Skills:
- Knowledge of Docker, Kubernetes, or similar tools for containerization.
- Familiarity with AWS, Azure, or other cloud service providers.
- Understanding of SEO-friendly website development.
- Exposure to AI tools (e.g., ChatGPT, GitHub Copilot, or similar) to assist in coding, debugging, documentation, or productivity.
- Exposure to Agile/Scrum development methodologies.
Responsibilities :
- Involved in detailing and implementing user stories.
- Understand the technical specifications and design the solutions.
- Validate and implement the integration components of the third-party applications.
- Build scalable and fault-tolerant software solutions adhering to the organization's secured coding standards.
- Strive for 100% unit test code coverage.
- Do code quality checks and code reviews regularly to ensure safe and efficient code.
- Verify and deploy software solutions for development needs.
- Work closely with the team to deliver the sprint objectives.
- Continuously look to improve the organization's standards.
Requirement
- A Bachelor’s / Master’s Degree in Engineering or Information Technology.
- 4-7 years of software development experience with 2+ years of experience with Python programming language.
- A thorough understanding of computer architecture, operating systems, and data structures.
- An in-depth understanding of the Internet, Cloud Computing & Services, and REST APIs.
- Must have experience with any one of the Python frameworks like Flask / FastAPI / Django REST.
- Must know GIT and Python virtual environment.
- Should have experience with Python requests module.
- Must know how to use third-party libraries in Python.
- Knowledge of Python module/library creation will be added advantageous.
- Familiarity with SIEM tools like the Qradar app / Splunk app and Splunk add-on will be an advantage.
- Experience working with Linux/Unix and shell scripts.
- Experience working with Linux/Unix and shell scripts
- A meticulous and organized approach to work.
- A logical, analytical, and creative approach to problem-solving.
- A thorough, detail-oriented work style.
Responsibilities:
• Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.
• Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.
• Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.
• Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.
• Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.
• Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.
• Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.
Requirements:
• Proven work experience as a Backend Developer or similar role, with a focus on server-side development.
• Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.
• Familiarity with SaaS concepts and architecture.
• Experience with API design and development, including RESTful APIs.
• Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.
• Experience with version control systems, such as Git.
• Strong problem-solving and analytical skills, with keen attention to detail.
• Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.
• Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory
- Design and build user-facing products, owning the entire process from gathering functional requirements from teams, through testing and staging, to deploying in a Python based stack
- Guide the team in making technical trade-offs
- Proactively identify bottlenecks, areas for improvement and put forth a plan to course-correct
- Design and implement maintainable backend services, including data processing pipelines, APIs and internal tools
- Coordinating with internal teams to understand user requirements and provide technical solutions
Key Skills :
MongoDB, Django, Flask, Flask, Nosql, Javascript, Python, Git
Experience Required : 3 - 6 Yrs
- 3+ years of SDE work experience from Product based companies
- Experience in Java, Spring Boot, MySQL, Kafka, Hbase, AWS
- Experience in Multi threading, distributed systems, Best practices of coding, scaling
We are looking for a Senior Microsoft SQL Developer to design, develop, test, plan, implement and maintain conceptual and logical database models.
For this role, you should know how to analyze system requirements and implement migration methods for existing data. Hands-on experience with SQL Server 2012 and above is also required. Ideally, you are familiar with database design, reviewing code, writing stored procedures, creating and modifying SQL agent jobs, making structural changes to tables and views.
Ultimately, you will develop database solutions to ensure project information is stored effectively and securely.
We’re a fast-growing company with clients in the United States, UK, and Australia. You will join a team of talented developers, quality engineers, product managers whose mission is to impact above 100 million people across the world with technological services by the year 2030.
Working as Senior Microsoft SQL Developer at Navtech, you will:
- Design conceptual and logical data models and flowcharts.
- Improve system performance by conducting tests, troubleshooting, and integrating new elements.
- Design and Build database systems of high availability and quality depending on each end user’s specialized role.
- Help write and optimize in-application SQL statements.
- Handle common database procedures such as upgrade, backup, recovery, migration, etc.
- Ensure performance, security, and availability of databases.
- Use high-speed transaction recovery techniques and backup data.
- Provide proactive and reactive data management support and training to users.
- Determine, enforce and document database policies, procedures, and standards.
- Perform tests and evaluations regularly to ensure data security, privacy, and integrity.
- Monitor database performance, implement changes, and apply new patches and versions when required.
- 5+ years of experience in SQL Server Development with at least 1 year of Lead experience.
- Advanced experience in database monitoring, troubleshooting, performance tuning, and high availability strategies for SQL Server 2016, SQL Server in Cloud (AWS RDS preferred).
- Advanced skills in resolving database locking conflicts/blocking and resource utilization.
- Ability to work with other developers and engineers to analyze database performance and identify problems in areas such as execution plans, index coverage, and SQL server statistics.
- A thorough understanding of Performance Monitoring, Tuning, and Optimization, using native and third-party monitoring and troubleshooting tools.
- Advanced knowledge of SQL Server Disaster Recovery (DR) options, Always On availability groups, and experience administering Windows Server, including Active Directory, Failover clustering, database partitioning, security, and encryption (a plus).
- Experience supporting SSIS, SSRS, replication, database mirroring (a plus).
- PowerShell scripting experience with the ability to write automated scripts and strong knowledge of system tables and DMV’s is required. (a plus).
- Administering Microsoft SQL Server databases in a high transaction, 24x7 database environment (a plus).
- Experience in Postgres, No-SQL databases (a plus).
- MCSA SQL Server 2012/2016 , MCSE or MCDBA (a plus).
- Should have excellent logical, analytical, and communication skills with client interaction experience.
Benefits
- Working with industry giants while following your passion for technology.
- Competitive pay package with additional bonus and benefits.
- Performance review and Appraisal Twice a year.
- Family Health Insurance cover for self and family.
- Work with US, UK, and Europe-based industry-renowned clients for exponential technical growth.
- Work with a culturally diverse team from different geographies

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
inai is building the future of payments
inai is Segment for payments. We make the lives of digital/online merchants easier
by enabling them to manage their payments’ stack in a low-touch / no-code
fashion. Merchants can now future proof their payment stack and break out of the
consistent trade-off between a great checkout experience and the flexibility
required to maintain the same.
inai was founded by serial entrepreneurs who have decades of experience in
finance and tech. inai has been backed by marquee investors including Kunal
Shah, Razorpay, the first investors in Square/Twitter, and other stellar investors.
Background
Back-end engineers will build the core of inai’s platform which comprises of 3
broad teams:
• Front-end: handle the checkout experience for our merchants and the
dashboard their product teams would be using daily
• Integrations: that handle our integrations with various payment processors,
wallets, BNPLs, analytics providers, fraud and risk providers and accounting
software.
• Platform: The glue that holds it all together. APIs will be the norm, databases
your core, scalability, reliability, and system design your everyday concern.
You will
• Develop APIs to integrate with 3rd party systems — primarily in the payments
domain
• Work closely with our front end and integrations engineering teams and also
with our colleagues across the globe.
• Take ownership for the modules you develop and key technology decisions,
and customer issues.
• Contribute towards documentation (internal and customer-facing), code
reviews, tooling, and processes.
You will have
• 2 to 8 years experience as a full stack engineer. Atleast 1+ years in handling
payments recently.
• Experience in working with 3rd party APIs. You should be able to peruse 3rd
party API documentation and retro-fit the APIs with the platform team.
• Experience writing APIs in Python, relational databases
• Can communicate and interact with a larger team
• Experience in working with multiple payment gateways or integrating them
• Experience with handling payment tokens.
Good-to-have
• Experience with OpenAPI, JSON API specs
Benefits
• Health insurance for you and your loved ones - on us.
• Work-life balance: Our success will not come at the expense of your work-life
balance
• Grow with us: Working in the intersection of fintech and SaaS, you will have
all the opportunities to grow in this thriving sector.
• Work from Home: We will help set up your home in your residence in India.
Inai will continue to operate remotely till the situation returns back to normal.
If you are a PHP developer & have a good understanding of web technologies you may apply for this positoin. As a Developer, you will be a part of our web development team and will be working with some very experienced developers on challenging and interesting projects. You will be a part of an Agile delivery team and work closely with Requirement Analysts, Scrum Masters, Development & Design team and QA team.
Responsibilities
- Write clean, maintainable and efficient code.
- Design robust, scalable and secure features
- Collaborate with team members to develop and ship web applications within tight timeframes.
- Write unit and functional testcases.
- Work on bug fixing, identifying performance issues and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Handling complex technical issues
Technical Skills
- PHP - 4.5 Years Experience along with HTML5, CSS Bootstrap, JQuery, JS, MySQL/MongoDB, JSON Web Services and API Services
- PHP Frameworks: Min. 2 Years with anyone (Laravel, Symfony, CakePHP, Yii etc.)
- PHP Reporting Tools (Jasper etc.)
- NET Exposure - Good to have
- Understanding of responsive design frameworks such as bootstrap
- MEAN Stack - Good to have
- Angular / React - Good to have
Perks, Benefits & Culture:
We are offering amazing career growth opportunities, great compensation, and benefits. This begins with -
- weekly lunches
- alternate weekends-off
- annual medical checkups
- Social engagement
- financial assistance
- and more...









