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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Company Core Values
Job Description
We are looking for a talented and experienced Senior Software Engineer to join our backend team. The ideal candidate will have strong expertise in Node.js and TypeScript, with a solid understanding of backend development best practices. Experience with the AWS ecosystem and working knowledge of Elasticsearch or similar caching/search technologies is essential. Familiarity with Docker, CI/CD pipelines, and PostgreSQL is also required. Knowledge of React.js is a plus.
- Required:
- 5+ years of experience in backend software development.
- Strong proficiency with Node.js and TypeScript.
- Demonstrated experience in architecting and implementing microservice architectures.
- Extensive experience with AWS services such as EC2, S3, Lambda, RDS, etc.
- Hands-on experience with Elasticsearch or similar caching/search technologies.
- Proficient with Docker and container orchestration concepts.
- Expertise in designing, implementing, and maintaining CI/CD pipelines.
- Solid experience with PostgreSQL, including schema design and query optimization.
- Strong problem-solving skills and ability to work effectively in a collaborative environment.
- Excellent communication and teamwork skills.
- Preferred:
- Strong knowledge of testing methodologies, including integration testing frameworks and best practices.
- Experience with CI/CD pipelines and version control systems like Git.
- Familiarity with React.js is a plus but not mandatory.
- Ability to mentor and lead junior developers effectively.
- Soft skills:
- Strong communication and collaboration skills, with the ability to work effectively in cross-functional teams from different cultures and geolocations.
- Strong sense of urgency and ability to deliver results in a fast-paced environment.
- Exceptional attention to detail and commitment to quality.
- Excellent problem-solving skills and a customer-first mindset.
- Design, and develop scalable and maintainable backend services using Node.js and TypeScript.
- Drive the design and implementation of microservice-based architectures to support our platform’s scalability and reliability.
- Collaborate with frontend engineers, product managers, and other stakeholders to deliver high-quality, robust software solutions.
- Implement and optimize search and caching solutions using Elasticsearch or similar technologies.
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- Utilize AWS services extensively to deploy, monitor, and scale backend applications.
- Design, optimize, and maintain PostgreSQL databases, including schema design and query performance tuning.
- Lead code reviews, mentor junior engineers, and promote best practices in software engineering and architecture.
- Deliver high-quality features on time by maintaining a balance between speed and precision.
- Participate in sprint planning, daily standups, and code reviews, fostering a culture of continuous improvement and knowledge sharing.
- 2.5+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
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- Any Caching Mechanism
- Good at problem solving
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- 2+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
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Pramana’s whole slide imaging system is built upon the strong hardware expertise of former Spectral Insights (that nference acquired in 2020) and the strong software expertise of nference. Modular systems with Robotic automation have allowed Pramana to reduce the reliance on several technical staff. This will significantly reduce the total costs of ownership and is a more transparent model for Pramana’s clients.
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- 5+ years experience with solid backend/engineering experience in C++/ Python
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- Basic knowledge of SQL as well as NoSQL databases.
- Proficient in Golang/ Python, design, and concurrency patterns.
Good to have
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- Experience in working with GRPC and grace
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- Be a part of the “Google of biomedicine” as recognized by the Washington Post
- Work with some of the brilliant minds of the world solving exciting real-world problems through Artificial Intelligence, Machine Learning, analytics and insights through triangulating unstructured and structured information from the biomedical literature as well as from large-scale molecular and real-world datasets.
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Job Details:-
Designation - Backend Developer
Urgently required. (NP of maximum 15 days)
Location:- Mumbai
Experience:- 2-4 years.
Package Offered:- Rs.4,00,000/- to Rs.7,00,000/- pa.
Experience required in Node.js & PostgreSQL
Backend Developer
Job Description
Responsibilities
- Participate in the entire application lifecycle, focusing on coding and debugging
- Must have a clear understanding of Databases
- Write clean code to develop functional web applications
- Troubleshoot and debug applications
- Perform UI tests to optimize performance
- Manage cutting-edge technologies to improve legacy applications
- Collaborate with Front-end developers to integrate user-facing elements with server side logic
- Gather and address technical and design requirements
- Provide training and support to internal teams
- Build reusable code and libraries for future use
- Liaise with developers, designers and system administrators to identify new features
- Follow emerging technologies
Requirements
- Proven work experience as a Back-end developer
- Experience in Node.js, AWS, Postgres
- Familiar with building REST API
- In-depth understanding of the entire web development process (design, development and deployment)
- Hands on experience with programming languages like Java
- Working knowledge of CMS framework
- Familiarity with front-end languages (e.g. HTML, JavaScript)
- Excellent analytical and time management skills
- Teamwork skills with a problem-solving attitude
Primary Responsibilities:
- Principal Engineers are responsible for driving Technology and Engineering Best Practices in their respective teams.
- They should demonstrate a high level of ownership and accountability for their product and software systems.
- They are expected to go above and beyond their role by contributing in tools, processes and practices which bring operational efficiency and are aligned with business goals.
- They are expected to actively participate in development along with team members and create systems and modules which represent a working model of engineering best practices.
- They are expected to participate in code reviews, design reviews, architecture discussions.
- They are responsible for the Engineering metrics/health of their systems including strong alerting and monitoring mechanisms.
- They are expected to lead the adoption of best practices around coding, designing, performance of systems in a team.
Experience or Skills Required:
- B.Tech or Advanced degree in Computer Science with 6-12 years of industry experience in product based companies.
- Proficiency with Basic libraries for machine learning such as scikit-learn and pandas
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- Strong experience with at least one of programming languages: Python, Java, Vertx, Golang
- Strong experience in building Server side reusable components based on Microservices or Distributed Architecture.
- Solid coding skills with ability to lead teams in identifying clearing tech debts for large scale code base.
- Good understanding & experience in improving performance of scalable and real time responsive applications.
- Excellent Problem Solving skills and an aptitude to approach problems from first principles and build solutions for those.
- Must have excellent communication (verbal & written), interpersonal, leadership, and problem solving skills.
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- Must be comfortable working in fuzzy environments where boundaries are not clearly defined.
Job Title: Go Developer (Remote)
Job Description: Backend Engineer (GO Developer)
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Build campaign generation services which can send app notifications at a speed of 10 million a minute.
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3-6 years experience in developing high scale internet applications/API based services.
Worked with GoLang as a primary language
Experience with High scale real time architectures
Experience with queueing systems like RabbitMQ, Kafka etc
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Having hands on experience with Kubernetes would be a plus.
Understanding of SMTP protocol would be a plus
Experience with MTA will be an added advantage.
Very strong analytic and problem-solving skills.
Enjoys working at solving challenges that come with developing real time high scale applications.
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Immedieate joiners are preferred or those who cn join withn 15-20 days. - B.Tech in Computer Science from premier institute (IIT/NIT/IIIT)or equivalent work experience - 2 years’ experience developing Backend systems - Good understanding of algorithms and data structures - Knowledge of Cache, Queues, NoSQL & RDBMS(Mysql) - Proficiency in PHP/Python/Ruby/Java - Experience with MVC architectural pattern / framework like Django, ROR, Node.js - Experience of object-oriented programming / modular programming - Ability to multi-task, work with ambiguity and quickly re-prioritizing responsibilities - Experience with Agile software development - Knowledge of testing performance & stability using tools - Experience with either Github or GitLab, Confluence, & Jira
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Professional experience required: Total experience: 2+ Years
Industry/Role experience: - 2+ years’ experience developing Backend systems - Experience with Agile software development
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Behavioral Attributes: - Must have excellent communication skills - Must be the ability come up with innovative ideas and out-of-the-box solutions - Must be willing to challenge conventional methods to achieve exponential results |
Requirements
- Experience in open source technologies - Solr, Redis, Kafka
- Exposure to building & managing applications in Amazon Webservices (AWS)
- Experience in security, scalability & performance aspects of solution
- Critical Skills: 1. Java / J2EE, Spring, PostGreSQL 2. Nginx, Tomcat 3. Developing REST webservices
Desired Skills and Experience
- Atleast 1 year of experience in frappe framework preferred.
- Experiece with python and javascript required.










