
Key Responsibilities
AI/ML & Python Development
- Design, develop, and integrate AI-powered solutions and intelligent features using Python.
- Build and implement Retrieval-Augmented Generation (RAG) pipelines to enhance knowledge retrieval and contextual AI responses.
- Develop AI applications using modern frameworks and tools such as LangChain, LlamaIndex, and AI Agents/Autonomous Workflows.
- Integrate Large Language Model (LLM) APIs, including OpenAI and similar platforms, into enterprise-grade applications.
- Design, implement, and manage vector databases to enable semantic search and AI-driven information retrieval.
- Collaborate with cross-functional teams to evaluate, fine-tune, and optimize AI models for performance, scalability, and accuracy.
- Stay updated with emerging AI technologies, frameworks, and industry best practices to drive innovation.

About Opteamix
About
Opteamix is a digital automation technology consulting firm with deep expertise in Application Development, Robotic Process Automation, AI, DevOps, Enterprise Mobility, ITOps, and Test Automation Services. We are headquartered in Denver, Colorado with a wholly-owned delivery center in Bangalore, India.
We ensure that our clients are always ahead of the curve by leveraging futuristic technologies to co-create a better tomorrow, today. Since the founding of the company in 2012, we have focused on solving our client’s business problems using digital technology.
Keeping a close eye on current market trends and emerging technologies is how we understand and further strengthen our technical know-how. We combine deep business knowledge and cutting-edge technology solutions to deliver innovative business solutions leveraging global technology delivery practices.
We deliver a wide spectrum of technology solutions - from legacy technologies to the next generation Robotic Process Automation, AI, and Machine Learning solutions.
Similar jobs
Roles and Responsibilities
- Ability to work on diverse backend stack such as Node JS, Java, Express JS
- Ability to work on diverse frontend stack such as React JS, Angular 6/7/8/9, HTML5, CSS3
- Ability to deliver quick POC’s using cutting edge technologies.
- Preparing reports, manuals and other documentation on the status, operation and maintenance of software.
- Design, develop, and unit test applications in accordance with established standards
- Developing, refining, and tuning integrations between applications. Analysing and resolving technical and application problems.
- Ability to debug application.
- Should have complete knowledge on developing RESTful Services.
- Should be able to also work in agile development methodology.
Competency Requirements
- Experience in NodeJS, Java and development using AngularJS / ReactJS
- Experience in front end frameworks such as Angular.js, React.js, Bootstrap, Foundation etc
- Experience in client/server application development
- Knowledge of agile development methodologies
- Knowledge of unit testing theory
- Knowledge of AWS cloud
- Experience in Java, Python and Go will be added advantage
Primary Skills: Database Systems (SQL), Python Flask/Fast API/Django frameworks specifically
Requirements:
- Highly proficient in fundamentals of Python web development frameworks like Flask, Django and Fast API
- Demonstrated experience in developing APIs using Python frameworks
- Should have deep knowledge in PostgreSQL, MS SQL Server and other SQL based Databases
Job Synopsis:
- You will be a part of the Technology Team, involved in all the stages of architecture to the development of our web-based applications product.
- Designing and developing applications using Microsoft Technologies (ASP.NET, MVC, C#).
- Contributes materially to all aspects of the SDLC, including understanding requirements, design, development, building, testing, deploying, and maintaining enterprise solutions
- You will be breaking down the project requirements, assigning tasks to the team, and assisting them to smoothly deliver.
- Maintain accountability for project delivery while keeping alignment with business and IT requirements a priority.
- Provide guidance to the team in regard to procedures, methodologies, tools, quality standards, and company-wide goals.
- Review work done by team developers to ensure that all project requirements are met.
- Should be flexible enough and adaptable to changing and varied work settings.
- Fulfilling all the commitments by timely delivering the deliverables.
Skills Required:
- C#, ASP .Net, MVC, Web API, JavaScript, jQuery, Agile Methodology, Database - MS SQL
- Strong knowledge of MySQL & MS SQL in writing queries and stored procedures/Functions.
- Experience in debugging and troubleshooting websites and web applications.
- Should possess strong problem-solving skills and have the willingness to learn and improve.
Why Join Us?
- Get a chance to contribute and get recognition from Day 1
- Enjoy fixed working hours from 10:30 AM to 7:00 PM
- Work 5 days a week (Enjoy work-life balance)
- An award-winning company with best-in-class infrastructure, a modern work environment
- A friendly, Supportive, Professional, and achievement-oriented management team
- Competitive Salary and Benefits, Professionally run HR team
- An opportunity to learn new things every day.
4 - 6years of experience in web and API development
4+ years experience with http://asp.net/MVC/C" target="_blank">ASP.NET/MVC/C#.
4+ years working with SQL Server (2012+).
Good Knowledge of scripting libraries like jQuery, Knockout, Angular JS
The B2B manufacturing industry has a lack of digitisation globally. NowPurchase is building layers of technology to help improve the productivity and profits of the manufacturer. For this we are building the OS (Operating System) that will seamlessly connect factory equipment such as furnaces and spectrometers to our software systems that provide real time optimisations.
The end-game is to use this interconnected system to do great production planning and autonomous procurement of their raw materials. The Heart of NowPurchase will be a marketplace consisting of these smart factories and raw material suppliers.
Here a video that explains our product journey:
https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21">https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21
This is fully a remote role, but the employer needs to fly down to the office in Kolkata for 5–6 days every month. Plane tickets and accommodation will be reimbursed by the company.
Role Description
NowPurchase is looking to add an immensely talented Senior Backend Engineer that will help us invent, design, refine and deliver products that will meet the above vision.
- Expect to build a lot of services and APIs in the cloud and stand-alone IoT devices to serve both the browser as well as native IoT enabled terminals that will be placed at the manufacturers' premises.
- Expect designing algorithms that model the metallurgy of the manufacturing processes as well as using tools such as linear programming, machine learning etc.
- You need to lead the backend team to make sure they are delivering high quality code and is constantly inspired to experiment with tools to push out MVPs.
What are the expectations from this role?
- Deliver high quality modular code deployed to serve web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets. This would include algorithms for real time optimizations that are critical for the manufacturing process.
- You are empowered to work directly with leadership and the product team to make decisions about your code and future of the product.
- Have a strong emphasis on shipping features quickly without sacrificing code quality. Be ready to build a lot of MVPs that will go through iteration or be completely scrapped depending on the outcome at the customer end.
- Own your Agile projects and lead the team from software design to implementation and deployment. Maintain sprints, delivery timelines and contribute to better managing the engineering team.
- Collaborate on the end to end design and implementation of the platform, including data modeling, systems architecture, data security, access controls, architecture, user experience, deployment, automation, and monitoring.
- Maintain a high level of data integrity, quality and security checks.
- Develop data pipelines and RESTful services that are distributed, robust and highly performant.
- Build a culture of simplicity and pragmatism, which is reflected in your elegant code that other developers emulate and you ensure through thorough code reviews and processes.
Qualifications and Experience
- 4+ years of demonstrated software engineering experience in an agile environment designing, architecting and implementing robust scalable systems preferably for modern SaaS application
- 1+ years of technical leadership experience
- Experience with modern server-side programming languages such as Python, Scala, Go. Experience with web frameworks such as Django Rest Framework, Flask.
- Experience with architecting asynchronous services with design patters leveraging PostgreSQL, MongoDB, Redis, Celery for storage and multi-tenant servers over AWS Elastic BeanStalk.
Compensation & Benefits
- **Cash Compensation:** As per industry standards & pedigree of candidate
- **ESOPs:** 10% of NowPurchase is dedicated to current & future team members. Your package would entail some ESOPs so that you own a part of the company and grow along with it.
- **Medical Insurance:** Benefits of group insurance of 3 lakhs for family including parents, spouse, children
- **Generous leave structure and WFHs** including Marriage, Maternity & Paternity leaves
- **Complete Relocation Expenses:** We are building a unicorn out of the city of Joy (Kolkata). We will pay for everything you spend to relocate here.
**Possible Growth path**
Senior Backend End Engineer > Engineering Manager > VP of Engineering
**Tech Stack**
- React/Redux
- Python/Django/Celery
- Git, AWS, ELB (Elastic Beanstalk), Netlify
- PostgreSQL/Redis/S3
## **Hiring Process**
1. Screening of applicants & initial telephonic call with Manager -HR
2. F2F/Video Interview with Engineering Manager and Cofounder CTO
3. Take home written assessment
4. F2F/Video Interview with Cofounder CEO
5. Email communication on final feedback
The end to end process shall take less than 10 days. We pride ourselves on being transparent & moving fast.
*Candidates who accept an offer may join within 1 hour, 1 week or up to 45days of signing - though, we have a preference for as short a gap period between signing and joining since we're at the most exciting part of our journey - laying the foundation for the NowPurchase platform!*
Job Location : Mumbai / Bangalore
Expereince : 3 to 8 Years
JD :
Hands on experience in Python in 2.x and 3.x versions
- Developed and deployed services in AWS serverless Architecture
- Developed REST API’s using serverless framework, AWS Lambda, API Gateway
- Developed queue and notification services using AWS components - SQS, SNS
- Implemented authorization and authentication using AWS Cognito pool
- Developed Facial recognition systems using AWS Rekognition
- Hands on experience in Flask, Tornado, Quartz framework
- Hands on experience in designing and working on MicroService & Monolithic architecture
- Basic understanding of front-end technologies HTML, CSS, JavaScript, jQuery
Mongo dB experience is must
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Analysis, Automate and backtest the existing strategies
- Employing statistical applications to visualize and/or transform the distribution or dispersion profile of individual signals and support the mathematical formulation of multiple signal algorithms to rank securities for investment.
- Candidates should have strong coding skills in Python (NumPy, Pandas, matplotlib, Zipline) /Django/Java script etc.
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Must have Database knowledge like Open source, PostgreSQL, MySQL/SQ
Learnability, teamwork and flexibility are important traits we look for.
- Strong programming skills in Javascript/TypeScript, Python or Go.
- Hands-on experience in API development and frameworks such Express, Loopback, Hapi.
- Good Understanding of SQL and NoSQL database.
- Experience in test driven development. (writing unit test and API test).
- Understanding of basic cloud computing concepts and experience in using any of the major cloud service providers(AWS/GCP/Azure).
- Ability to build and deploy the application in a containerized environment.
- Understanding of application logging and monitoring systems like Prometheus or Kibana.
Qualification:
- B.E/B.Tech/M.E./M.Tech/M.S. from a reputed university with a good academic record.
- Curiosity to explore the cutting edge technologies and bake them in the products.
- Zeal and drive to take end to end ownership.








