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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Strong Full stack/Backend engineer profile
Mandatory (Experience): Must have 2+ years of hands-on experience as a full stack developer (backend-heavy)
Mandatory (Backend Skills): Must have 1.5+ strong experience in Python, building REST APIs, and microservices-based architectures
Mandatory (Frontend Skills): Must have hands-on experience with modern frontend frameworks (React or Vue) and JavaScript, HTML, and CSS
Mandatory (Database Skills): Must have solid experience working with relational and NoSQL databases such as MySQL, MongoDB, and Redis
Mandatory (Cloud & Infra): Must have hands-on experience with AWS services including EC2, ELB, AutoScaling, S3, RDS, CloudFront, and SNS
Mandatory (DevOps & Infra): Must have working experience with Linux environments, Apache, CI/CD pipelines, and application monitoring
Mandatory (CS Fundamentals): Must have strong fundamentals in Data Structures, Algorithms, OS concepts, and system design
Mandatory (Company) : Product companies (B2B SaaS preferred)
Preferred
Preferred (Location) - Mumbai
Preferred (Skills) : Candidates with strong backend or full-stack experience in other languages/frameworks are welcome if fundamentals are strong
Preferred (Education) : B.Tech from Tier 1,Tier 2 institutes
Job Title: Tech Lead (Backend Heavy)
Location: Onsite – Indore (Vijaynagar), MP, India
Experience: 4–6 Years
Notice Period: Immediate to 30 days preferred
Company Overview
Kuvaka Tech builds scalable, high-performance products across Web2 and Web3 ecosystems. We operate in a fast-paced startup environment, focusing on delivering efficient, production-ready solutions within tight timelines.
Role Overview
We are looking for a Tech Lead who is backend-heavy, highly product-driven, and capable of owning end-to-end technical execution. The ideal candidate should be comfortable working across multiple backend stacks, while also having enough frontend understanding to unblock issues independently.
This role requires someone who can solve problems proactively, handle technical blockers without unnecessary escalations, and drive projects efficiently in a startup environment.
Key Responsibilities
Technical Ownership
- Take end-to-end ownership of projects from planning to deployment
- Ensure timely delivery under tight deadlines
- Maintain high standards of code quality, scalability, and performance
Backend Development (Core Focus)
- Design and build scalable backend systems using Python and other backend stacks
- Architect APIs, services, and data flows for high-performance applications
- Handle complex technical challenges independently
Frontend Awareness
- Possess working knowledge of frontend technologies (React.js / Next.js)
- Be capable of debugging and resolving frontend issues when required
Problem Solving & Execution
- Identify and resolve technical blockers independently before escalation
- Drive solutions with a cost-efficient and time-efficient approach
- Optimise system performance and architecture
Innovation & Product Thinking
- Contribute new ideas and technical improvements
- Think from a product perspective, not just implementation
- Continuously improve processes and delivery speed
Collaboration & Leadership
- Work closely with cross-functional teams (Product, Design, Engineering)
- Communicate effectively with stakeholders
- Guide junior developers when required
Required Skills-
Core Technical
- Strong experience in Python (Django/FastAPI preferred)
- Experience with multiple backend stacks (Node.js, etc. is a plus)
- Solid understanding of system design, APIs, and databases
Frontend Understanding
- Hands-on or working knowledge of React.js / modern frontend frameworks
Engineering Mindset
- Strong problem-solving skills
- Ability to handle pressure and tight deadlines
- Experience working in startup environments
Ideal Candidate Profile
- 4–6 years of experience in product-based or startup environments
- Has worked on multiple projects end-to-end
- Highly productive, proactive, and ownership-driven
- Strong communication skills
- Ability to take initiative and make decisions independently
- Focused on efficiency, scalability, and execution speed
What We’re Looking For
- Someone who doesn’t wait for instructions but takes initiative
- A problem solver who fixes issues before they escalate
- A tech-driven thinker with strong execution capability
- Comfortable in fast-moving, high-pressure startup setups
Hiring Process
- HR Round
- Assignment
- Technical Round
- Cultural Fit Round
- Founder’s Call
Roles and Responsibilities:
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs comply with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
- Ensure continual knowledge management
- Adherence to the organizational guidelines and processes
Skills /Competencies: a. Bachelor/Master’s degree with good experience in computer programming b.4+ years working experience in application development using Java
Essential Skills:
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Data structure, Algorithm and time complexity, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC) and UI technology (Angular/React JS)
- Ability to operate independently while establishing strong working relationships with co-workers and cross-functional teams
- Strong organizational and prioritization skills
- Demonstrate critical attention to detail and deadlines, and are self-motivated
- Ability to adapt to changes in direction and priorities in a project and deadline-oriented environment
- Strong written and verbal English communication skills
- Problem-solving attitude
Preferred skills Good to have –
- Knowledge in any UI technology (Angular, React, JS)
- Intermediate level knowledge of Unix environment (User commands, not System Admin commands)
- Understanding of capital markets and middle/back office processes in the financial services space
Job Description
This is a remote position.
Requirements
- You need to be excited about the problem that we are trying to solve
- Should have excellent command over designing systems with a minimum experience of 4 years.
- Should have experience with various database flavors and writing complex queries. We work with Postgres, Redshift, ElasticSearch, TimescaleDB, and Redis.
- Additional knowledge in Golang will be an advantage
- Strong Data Structures and Algorithms knowledge
- Should have created APIs from scratch which is being used in Production
- Should be comfortable with creating systems handling up to 100k requests per minute, and have a mindset that understands scale
- Ability to give clarity and communicate well with the team, including Product, Backend and Dev-Ops (if and when needed)
- Ability to use profiling tools well, getting to root causes of bugs fast
- Ability to pick and work on adjacent technologies if and when required (Eg: If the best performance monitoring solution needs a basic firebase setup, that should not be a blocker for you to go ahead and do so)
- Knowledge of how to set up relevant test cases
- You need to be comfortable working in a remote environment (Good internet connection and availability on phone is required)
- App Development experience
- Experience in Test Driven Development
- Ability to tell Product what creates better User Experience, ability to tell frontend what API responses will help the user get a faster load time
- Inquisitiveness to understand the system as a whole, and not only be stuck to your domain of expertise (Eg: Figure out why excessive APIs calls are being made, brainstorm with Product and Frontend team to reduce the same without harming the UX )
- Experience in working on a Social Media Product
- Good knowledge of Graphs, and their applications
- Data-Driven Approach to monitoring
Benefits
- Work timings - You are the master of your time. However, with great freedom comes great responsibility. If you have committed something to the team, we expect that you will give it your best to make sure that commitment is done and is done on time.
- Leave policy - Take a leave whenever for whatever reason you want. You don't need to explain yourself to us
- Health insurance for you and your family
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large-scale social or location-based app.
- 4+ years exp with solid backend/engineering experience.
- Knowledge of data structures and an eye for architecture.
- Solid CS fundamentals, fluent in multi-threaded and asynchronous programming, a strong inclination for architecting at scale.
- Excellent technical design, problem-solving, debugging, and communication skills.
- Rapid prototyping worked on distributed systems at scale.
- Basic knowledge of SQL as well as NoSQL databases.
- Proficient in Golang, it's design, and concurrency patterns.

ROR :: JD
Immediate Joiner
- Having experience on Ruby on Rails.
- Strong SQL skills with MySQL or PostgreSQL
- Knowledge on MongoDB an advantage.
- Experience with TDD (test driven development) or RSpec.
- Having experience on REST/API.
- JRuby experience is an advantage
- Knowledge on Exilir and functional programming a plus and JRuby is an advantage.
- Experience using Git productively in a team environment.
- Experience into Amazon web services
- Knowledge on Jenkins is an advantage.
- Knowledge on Docker.
- Excellent analytical and problem-solving skills
build mobile apps, run 24x7 devops/site reliability engineering for our clients.
We are looking for a Backend Engineer (Python/Django) with a demonstrated track record of developing and maintaining production services, innovative thinking, and technical excellence!
Can do it attitude, and the ability to deliver with high velocity and high quality at the same time.
You will be working on our IOT/AI cloud platform and building/architecting/coding as well as leading technical other engineers in a team. Backend is python/django and/or node js. Frontend is reactjs. You will help the team troubleshoot and design better.
This person MUST have:
- B.E Computer Science or equivalent
- 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 (preferred 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.
- Strong communication skills.
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 time zone. Typically, clients are in California PST Time zone.
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 don’t 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
Are you passionate about using technology to make people's lives better? Are you interested in becoming a part of one of the hottest trends in the world of start-ups today? Are you excited about joining the online ultra-fast grocery delivery service business pioneer and driving the trend forward? Then this may be the right opportunity for you.
Role and Responsibilities
- Helping lead the software development lifecycle: technical design, implementation, testing, deployment, and support.
- Working with cross-functional teams effectively to enable business growth.
- Proactively identifying engineering bottlenecks and initiating proposals to improve them.
- Writing high-quality, well-tested code in alignment with industry-wide best practices.
- Applying a product mindset to back-end systems.
-
- About five years of experience delivering product-quality code in an agile set-up
- Experience with Golang, REST APIs, Microservice Architecture, Elasticsearch, Redis, Docker, or Kubernetes
- Understanding of the philosophy of cloud and an experience of maintaining cloud-native services.
- Experience in designing, building, scaling, and maintaining production services, and knowledge of composing a service-oriented architecture.
- Experience of working in a fast-paced, rapidly-growing company (Good to Have).
- Working knowledge of Node.js (Good to Have).
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- Passionate about technology and making an impact.
- A perpetual learner, who stretches their boundaries and enjoys new ideas.
- A doer who takes initiative and works well in a team.
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Who We Are
Blok is a technology-first, online ultra-fast grocery delivery service business, and we are on our way to revolutionize how millions of people across countries consume groceries. We believe in a world where getting everything you need, when you need it, sustainably, is the new normal. And it takes less than 10 minutes.
We believe we are positioned to lead this revolution. Why? Our founding and early team has held senior positions at Deliveroo, Uber, Glovo, Mercadona, or Unilever. We have done this before, and we believe we can do it again. But this time, even better.
Embark on the journey and help us launch the revolution in one of the highest growth industries of the year. Help us shape the new normal.











