
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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Candidate must have 6+ years of backend engineering experience, with 1–2 years leading engineers or owning major systems.
Candidate must be from a product-based organization with a startup mindset.
Must be strong in one core backend language: Node.js, Go, Java, or Python.
Deep understanding of distributed systems, caching, high availability, and microservices architecture.
Hands-on experience with AWS/GCP, Docker, Kubernetes, and CI/CD pipelines.
Strong command over system design, data structures, performance tuning, and scalable architecture
Ability to partner with Product, Data, Infrastructure, and lead end-to-end backend roadmap execution.
JD:
As a Staff Software Engineer, you will be responsible for the design, implementation and maintenance of software modules owned by a team. You will guide and mentor junior team members by reviewing their code and designs to ensure that they are writing well designed and high quality code. This role requires excellent communication skills as you will need to collaborate across teams.
Key Skills:
- 3 to 6 years of experience
- Extensive experience on C/C++/Python
- Experience on OS - Unix/Linux and Windows
- Hands on experience in Networking and Multi-threading
Desirable Skills:
- Experience in Cloud Technologies, system programming is a plus
Roles and responsibilities:
- Play key role in design/development of security product.
- Responsible for the complete software development cycle.
- Gathering & understanding requirements.
- Design, development & implementation independently.
- Responsible for ensuring timely and quality delivery.
- Will be able to work in end to end features.
Qualification:
- B.Tech / B.E / M.E./ M.Tech (Computer Science) or equivalent.
technical solutions implementation, architecture design, evaluation
and investigation in a cloud environment (specifically AWS and/or
Azure), preferably with IoT products.
● Working with smaller startups or mid-sized companies
Experience in one of following programming languages:
Python/Node.js
● Python and restful API frameworks. Experience of
working/integrating with cloud services providers like AWS
(preferred) / Azure / GCP
● Good understanding of HTML, CSS, Javascript & jQuery. Hands
on experience with React.js/React.native Experience in REST APIs,
SSO.
● Experience with server-side programming in a high volume
large system / application environment including the availability,
scalability, resiliency, and performance design patterns
● Management of hosting environment, including database
administration (preferably relational databases MySQL, Postgres etc.)
● Familiarity with software configuration management tools,
defect tracking tools, peer review tools and source control systems
(like git). Create and maintain good quality software documentation.
● Experience & willingness to work with overseas (e.g. USA)
customers and product management teams
● Experience building, leading, managing and mentoring highperformance engineering teams of 3-10 engineers
● Good verbal & written communication skills in English
- 5 years experience with the Django framework
- Experience with building APIs (REST or GraphQL)
- Strong Troubleshooting and debugging skills
- React.js knowledge would be an added bonus
- Understanding on how to use a database like Postgres (prefered choice), SQLite, MongoDB, MySQL.
- Sound knowledge of object-oriented design and analysis.
- A strong passion for writing simple, clean and efficient code.
- Proficient understanding of code versioning tools Git.
Experience:
- Min 5 year experience
- Startup experience is a must.
Location:
- Remote developer
Timings:
- 40 hours a week but with 4 hours a day overlapping with client timezone. Typically clients are in California PST Timezone.
Position:
- Full time/Direct
- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
- We dont believe in locking in people with large notice periods. You will stay here because you love the company. We have only a 15 days notice period.
- Hands-on experience in backend programming languages.
- Experience in Python 3.X & Django is a must. Knowledge of .NET, Java, PHP is an added advantage.
- Hands-on experience in front-end technologies like Angular, jQuery, JavaScript, HTML, CSS, SCSS, etc.
- Experience with leading technical teams and acting as a technical mentor.
- Experience in client communication & reporting to the client-side management team.
- Experience in AWS is an added advantage.
About NetElixir:
NetElixir is a global digital marketing firm headquartered in Princeton, NJ. With a common goal of helping our customers and challenging ourselves to think differently, we face challenges and tackle them together as a team. We are a close-knit group of imaginative and friendly industry experts who bring our unique passions and personalities together to find creative solutions that drive results.
With offices in the US and India, NetElixir works persistently gathering, evaluating, computing, and formulating raw data and turning it into actionable insights for our customers. We work consistently to develop new technology that will improve and facilitate digital marketing efforts across the globe.
Role: Python Developer
Experience: 3 -5 Years
Company Website: http://www.netelixir.com/">www.netelixir.com
Job Description:
Your responsibilities will include understanding the needs, gathering and prioritizing requirements, and working with our software development teams to design, develop and deliver new features.
- 3-5 years of experience in building web applications and product development using Python
● Experience in Python Backend development, microservice API development using Flask and/or Django
● Experience in SQL and No SQL databases
● Experience in AWS cloud services
● Working knowledge in Unit testing with pytest, Git (versioning, branching, etc..), CI-CD
● Collaboration with technical teams and product stakeholders to ensure design and
implementation is aligned with business requirements
● Perform design and code reviews to ensure products meet our quality standards
● Assist in the education and development of junior team members to ensure progression and
improvement.
● Good hands-on experience in debugging application issues
● Work experience in developing and deploying AI/ML models (additional advantage)
● Exposure to Digital Marketing Domain (additional advantage)
At Cityflo, we are solving the problem of commuting to the office which affects employees in big, populated Indian cities every day. Cityflo provides a bus experience like no other - we run premium AC buses for daily commuters. We’re changing the way urban Indians commute and enabling everyone to reclaim hours of their time every day. Before the imposed lockdown due to coronavirus, we were serving about 7500 commuters per day. We plan to scale to 5,00,000 per day in the next 4 years in a profitable and sustainable manner.
You can read more about our engineering and culture on our blog: https://blog.cityflo.com/tag/engineering/" target="_blank">https://blog.cityflo.com/tag/engineering/
Role & Requirements
- 2+ year experience in application development
- ability to write efficient SQL queries and design schemas for relational databases
- good knowledge of operating systems and networking concepts
- experience in using and understanding code from Open Source
- experience with implementing best software engineering practices like version control with git, code reviews, writing unit-tests, writing readable code
- experience with Python and Django is a plus.
- inclination towards researching new technologies and adapt them to solve challenges we face
We look for engineers who
- Are committed to their growth and learning
- care about working in and building a strong engineering culture
- want to take significant ownership and decision making power
- want to make an impact in the real world while working with a great team in a hyper-growth environment
Strong understanding of software development cycle
-Hands on experience in Python and familiarity with at least one framework, preferably Django
-Experience in third party integrations.
-Strong understanding of relational databases (MySql, Postgresql etc.)
-Comfortable with search engines like ElasticSearch.
-Hands on experience of AWS services.
-Knowledge of version control tools like Git/SVN.
-Strong unit testing and debugging skills.
-Good understanding of data structures, algorithms and design patterns.
-Good analytical and problem-solving skills.
Fluency or understanding of specific languages such Java, PHP, HTML or Python .and Operating System.
Good to have:
-Hands on experience of AWS services.
-Good exposure in writing and optimising SQL(such as PostgreSQL) for high-performance systems with large databases.
-Exposure at handling server side issues and quick resolution.
-Experience working on scalable, high availability applications/services.
The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a senior developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills.
Responsibilities:
- Writing clean, high-quality, high-performance, maintainable code
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Coordinate cross-functionally to insure project meets business objectives and compliance standards
- Support test and deployment of new products and features
- Participate in code reviews
Requirements:
- B.Tech from Tier 1 College.
- 3+ yrs of experience, at least 2 yrs of experience with Python and Django.
- Expertise in Object Oriented Design, Database Design, and XML Schema
- Experience with Agile or Scrum software development methodologies
- Ability to multi-task, organise, and prioritise work









