
Back End Developer - Python
at Well established B2C mobile app to control subscriptions
Our client has a B2C startup in the Fintech space building the payment system for the
subscription economy. We have raised pre-seed funding from some of the leading
investors in the country. A small brief about their product - To build the payment
system for the subscription economy and make it easier to discover and manage
subscription payments in India and abroad. To give subscription merchants the
power to increase their offering by providing user subscription data, multiple login
authentication, distribution and one click subscription checkouts. To enable users to
participate in the subscription economy & increase adoption of new subscriptions.
The core team come from strong backgrounds having been alumni of IIT Madras,
IIM Calcutta as well as having worked with some of the top startups in the
ecosystem including Swiggy, Mckinsey, Barclays, etc..
What we're looking for
We are looking for an experienced Python developer to join our engineering team
and help us develop our mobile application. In this role, you will be responsible for
writing and testing scalable code, developing back-end components, and integrating
user-facing elements in collaboration with front-end developers.
To be successful as a Python developer, you should possess in-depth knowledge of
object-relational mapping, experience with server-side logic, and above-average
knowledge of Python programming.
As one of the earliest members in engineering, you will have the flexibility to design
the application and systems from ground up. As any early-stage start-up, we expect
you to be comfortable wearing various hats, and be proactive contributor in building
something truly remarkable.
Responsibilities
Coordinating with development teams to determine application requirements.Python Backend Developer
2
Writing scalable code using Python programming language.
Developing back-end components.
Implement business logic in the backend
Integrating user-facing elements using server-side logic.
Create restful APIs for a seamless integration with our mobile front end
Testing and debugging applications.
Assessing and prioritizing client feature requests.
Integrating data storage solutions.
Coordinating with front-end developers.
Reprogramming existing databases to improve functionality.
Developing digital tools to monitor online traffic.
Qualifications
4+ years of experience in Python, Django, Mongo, Express, MySQL, etc
Have built applications capable of serving high volume with low latency in
production
Following practices of agile development with continuous integration/deployment
A deep understanding and multi-process architecture and the threading
limitations of Python.
Experience in deploying applications in AWS cloud
Ability to collaborate on projects and work independently when required.
Knowledge in building applications for Fintech/payments domain is a bonus
Bachelor's or Master's degree in CS or equivalent from a reputed institution

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Company: Grey Chain AI
Location: Remote
Experience: 7+ Years
Employment Type: Full Time
About the Role
We are looking for a Senior Python AI Engineer who will lead the design, development, and delivery of production-grade GenAI and agentic AI solutions for global clients. This role requires a strong Python engineering background, experience working with foreign enterprise clients, and the ability to own delivery, guide teams, and build scalable AI systems.
You will work closely with product, engineering, and client stakeholders to deliver high-impact AI-driven platforms, intelligent agents, and LLM-powered systems.
Key Responsibilities
- Lead the design and development of Python-based AI systems, APIs, and microservices.
- Architect and build GenAI and agentic AI workflows using modern LLM frameworks.
- Own end-to-end delivery of AI projects for international clients, from requirement gathering to production deployment.
- Design and implement LLM pipelines, prompt workflows, and agent orchestration systems.
- Ensure reliability, scalability, and security of AI solutions in production.
- Mentor junior engineers and provide technical leadership to the team.
- Work closely with clients to understand business needs and translate them into robust AI solutions.
- Drive adoption of latest GenAI trends, tools, and best practices across projects.
Must-Have Technical Skills
- 7+ years of hands-on experience in Python development, building scalable backend systems.
- Strong experience with Python frameworks and libraries (FastAPI, Flask, Pydantic, SQLAlchemy, etc.).
- Solid experience working with LLMs and GenAI systems (OpenAI, Claude, Gemini, open-source models).
- Good experience with agentic AI frameworks such as LangChain, LangGraph, LlamaIndex, or similar.
- Experience designing multi-agent workflows, tool calling, and prompt pipelines.
- Strong understanding of REST APIs, microservices, and cloud-native architectures.
- Experience deploying AI solutions on AWS, Azure, or GCP.
- Knowledge of MLOps / LLMOps, model monitoring, evaluation, and logging.
- Proficiency with Git, CI/CD, and production deployment pipelines.
Leadership & Client-Facing Experience
- Proven experience leading engineering teams or acting as a technical lead.
- Strong experience working directly with foreign or enterprise clients.
- Ability to gather requirements, propose solutions, and own delivery outcomes.
- Comfortable presenting technical concepts to non-technical stakeholders.
What We Look For
- Excellent communication, comprehension, and presentation skills.
- High level of ownership, accountability, and reliability.
- Self-driven professional who can operate independently in a remote setup.
- Strong problem-solving mindset and attention to detail.
- Passion for GenAI, agentic systems, and emerging AI trends.
Why Grey Chain AI
Grey Chain AI is a Generative AI-as-a-Service and Digital Transformation company trusted by global brands such as UNICEF, BOSE, KFINTECH, WHO, and Fortune 500 companies. We build real-world, production-ready AI systems that drive business impact across industries like BFSI, Non-profits, Retail, and Consulting.
Here, you won’t just experiment with AI — you will build, deploy, and scale it for the real world.
At BigThinkCode, our technology solves complex problems. We are looking for a talented engineer to join our technology team at Chennai.
This is an opportunity to join a growing team and make a substantial impact at BigThinkCode. We have a challenging workplace where we welcome innovative ideas / talents and offers growth opportunities and positive environment.
Below job description for your reference, if interested please share your profile to connect and discuss.
Company: BigThinkCode Technologies
URL: https://www.bigthinkcode.com/
Job Role: Software Engineer / Senior Software Engineer
Experience: 2 - 5 years
Work location: Chennai
Work Mode: Hybrid
Joining time: Immediate – 4 weeks
Responsibilities
- Build and enhance backend features as part of the tech team.
- Take ownership of features end-to-end in a fast-paced product/startup environment.
- Collaborate with managers, designers, and engineers to deliver user-facing functionality.
- Design and implement scalable REST APIs and supporting backend systems.
- Write clean, reusable, well-tested code and contribute to internal libraries.
- Participate in requirement discussions and translate business needs into technical tasks.
- Support the technical roadmap through architectural input and continuous improvement.
Required Skills:
- Strong understanding of Algorithms, Data Structures, and OOP principles.
- Integrate with third-party systems (payment/SMS APIs, mapping services, etc.).
- Proficiency in Python and experience with at least one framework (Flask / Django / FastAPI).
- Hands-on experience with design patterns, debugging, and unit testing (pytest/unittest).
- Working knowledge of relational or NoSQL databases and ORMs (SQLAlchemy / Django ORM).
- Familiarity with asynchronous programming (async/await, FastAPI async).
- Experience with caching mechanisms (Redis).
- Ability to perform code reviews and maintain code quality.
- Exposure to cloud platforms (AWS/Azure/GCP) and containerization (Docker).
- Experience with CI/CD pipelines.
- Basic understanding of message brokers (RabbitMQ / Kafka / Redis streams).
Benefits:
· Medical cover for employee and eligible dependents.
· Tax beneficial salary structure.
· Comprehensive leave policy
· Competency development training programs.
Minimum Qualifications:
5+ years of experience with Linux/Unix system administration and networking fundamentals 3+ years in a Software Engineering role or equivalent experience
4+ years of working with AWS
4+ years of experience working with Kubernetes, Docker.
Strong skills in reading code as well as writing clean, maintainable, and scalable code
Good knowledge of Python
Experience designing, building, and maintaining scalable services and/or service-oriented architecture Experience with high-availability
Experience with modern configuration management tools (e.g. Ansible/AWX, Chef, Puppet, Pulumi) and idempotency
Bonus Requirements:
Knowledge of standard security practices
Knowledge of the Hadoop ecosystem (e.g. Hadoop, Hive, Presto) including deployment, scaling, and maintenance Experience with operating and maintaining VPN/SSH/ZeroTrust access infrastructure Experience with CDNs such as CloudFront and Akamai
Good knowledge of Javascript, Java, Golang
You will be working on:
- As a senior backend engineer, you will be expected to execute and deliver large and complex projects end-to-end, with or without the involvement of other team members
- Ensuring timely delivery of all product deliverables
- Play a key role in technical discussions within the team and be the go-to person for the team for guidance and troubleshooting
- Understand key Business and Engineering metrics around performance, quality, and availability and work regularly with the team to push the boundaries and improve them periodically
- Proactively participate in code reviews and architecture and design discussions
- Mentoring junior engineers and setting best practices for coding, code reviews, etc.
- Help the organization in building a top-quality team by participating in hiring initiatives and evangelizing about contributions, accomplishments, and victories
We are looking for:
- Strong and self-motivated individuals, should be able to independently drive decisions
- Solid experience in building web-based products
- Overall of 4+ years of expertise in at least one dynamic programming language and one MVC web framework, preferably Ruby on Rails
- Expertise in Database modeling, preferably relational DB, spotting DB bottlenecks, and writing optimized DB queries
- Expertise in all common Cloud technologies, preferably AWS. Knowledge of CI/CD tools and workflows
- Proven track record in building highly-available and scalable distributed systems
- Willingness to play and explore with new technologies and be a Subject Matter Expert and support them
- Someone who believes in small incremental improvements and is passionate about refactoring
- A keen eye for quality with regards to following and establishing good coding practices, improving code coverage
- Good stakeholder management, ability to build trust and rapport with internal and external stakeholders
- Building scalable and large scale web applications, and creating flexible solutions and integrations with other applications
- Independently drawing up milestones and ensuring completion as per the timelines
- Solving complex technical problems
- Researching, Learning and Implementing new functionalities and modules in other technologies (C++, Python, Javascript) and integrating them into the product in very quick cycles.
- Keeping abreast of new developments in the technology as well as understanding the feature differences.
- Comfortable working in an intensive start-up culture with tight delivery cycles
Desired Candidate Profile
What you need to have:- At least 1+ year experience in working with Ruby on Rails and minimum 4 years of experience with software development (Backend + Frontend)
- Extensive knowledge in testing frameworks like Rspec/ Cucumber/ Capybara
- Exposure to AngularJS a plus
- Worked with Frontend HTML5/ CSS development and integrating with mySQL/ PostGres Database
- Must have experience in creating flexible solutions and integrations with other applications
- A strong knowledge of web coding standards, licensing and best practices
- Must have experience in building scalable and large scale web applications
- Ability to manage the Servers and Databases
We are looking for experienced Odoo Developers with good development skills in Python. Candidates should have hands-on experience in end to end implementation of the custom modules in Odoo.
RESPONSIBILITIES:
- Develop and deploy ERP/ web applications using OpenERP/ Odoo.
- Customize/ develop various modules such as Accounting, POS Sales & CRM, inventory, Purchasing, , Invoice, Website, Google map, Warehouse, MRP, HR, etc.
- Customize various modules and integrate services/ products ranging from payment gateways to hardware devices with Odoo.
- Understand Functional requirements from clients. Provide GAP analysis and transform them into technical requirements.
- Functional knowledge of ERP modules like Accounting, Stock, CRM, Inventory, HR, Sales, Purchasing, Manufacturing, E- Commerce, and Payment gateway.
- Experience in Migrations, Odoo end user training.
- Knowledge of OOP concepts, SQL, HTML and JavaScript.
- Experience in hosting on AWS or other cloud service providers
- Ability to understand client requirements and translate them into business solutions.
- Develop and deploy ERP modules from scratch
- Adopt new and emerging technologies to provide solutions to client needs. Cater to time difference need
- Identify technical issues and provide solutions
- Testing support.
- Develop and customize reports based on client s specifications in the modules like Accounting, Inventory, Manufacturing and HR. Work on Odoo's internal BI reporting tool for live reports
- Skills
- Strong familiarity with the Odoo framework is mandatory.
- Should have a solid knowledge of Python and programming concepts. Contribution for Open Source Projects will be advantageous.
- Good problem solving and analytical skills
Education:
- Bachelor's (Preferred)
- Relevant Experience : Minimum 2 Years
- You have prior experience developing and working on consumer facing web/app products
- Hands-on experience on Python. Exceptions can be made if you’re really good on any other language with experience on building web/app based tech products
- Experience in at least one of the following frameworks - Django, Flask, Falcon, web2py, Twisted, Tornado
- Working knowledge of MySQL, MongoDB, Redis
- Good understanding of Data Structures, Algorithms and Operating Systems
- You've worked with core AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
- You can dabble in Frontend codebases using HTML, CSS and Javascript
- You love doing things efficiently. At Fynd, the work you do will have a disproportionate impact on the business. We believe in systems and processes that let us scale our impact to be larger than ourselves
- You might not have experience with all the tools that we use but you can learn those given the guidance and resources
Experience: 8-12 yrs
Location: Noida
Notice Period: Immediate Or 15 days
Job Description:
• 8-12 yrs. experience in Java, J2EE, SQL, JavaScript, HTML, CSS, XML, Oracle, SQL Server
• Strong in Core Java, J2EE and MVC architecture.
• Good written and oral communication skills (English required).
• Good interpersonal skills, with a focus on listening and questioning skills.
• Ability to absorb and retain information quickly.
• Proven analytical and problem-solving abilities.
Must Have:
* Min 3 years in Angular.
* 1 year in AWS.
* Basic knowledge 3-4 months exposure in Python .
- Understands detailed requirements and demonstrates excellent problem solving skills
- Deep understanding of software engineering practices, Design Patterns, Data Structures, Algorithms
- Excellent programming skills in ROR, Golang, NodeJS, Python or Java
- Strong communication skills
- Strong sense of ownership, drive and ability to deliver results
- 2+ years of experience in product driven organization










