DemandMatrix Inc. is a data company that provides Go To Market, Operations and Data Science teams with high quality company level data and intelligence. DemandMatrix uses advanced data science methodologies to process millions of unstructured data points that produce reliable and accurate technology intelligence, organizational intent and B2B spend data. Our product solves challenging problems for our clients such as Microsoft, DocuSign, Leadspace and many more.
Job Description
We use machine learning and narrow-AI to find companies and the products they are using. This is done by researching millions of publicly available sources and over a billion documents per month. We are looking for Tech Lead who loves tech challenges and is a problem solver. This will give you an opportunity to brainstorm ideas and implement solutions from scratch.
What will you do?
Will be part of the team responsible for our product roadmap.
You will be involved in rapid prototyping and quick roll-outs of ideas, in fast-paced environments working alongside some of the most talented and smartest people in the industry.
Lead a team and deliver the best output in an agile environment.
Communicate effectively, both orally and in writing with a globally distributed team.
Who Are You?
Designed and built multiple web services and data pipelines with a large volume.
Genuinely excited about technology and worked on projects from scratch.
A highly-motivated individual who thrives in an environment where problems are open-ended.
Must have
- 7+ years of hands-on experience in Software Development with a focus on microservices and data pipelines.
- Minimum 3 years of experience to build services and pipelines using Python.
- Minimum 1 year of experience with a large volume of data using MongoDB.
- Minimum 1 year of hands-on experience with big data pipelines and data warehouse.
- Experience with designing, building & deploying scalable & high available systems with AWS or GCP.
- Experience with Java
- Experience with Docker / Kubernetes
- Exposure to React.js for front-end development
Additional Information
- Flexible Working hours
- Entire Work From Home
- Birthday Leave
- Remote Work

About DemandMatrix
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JOB DETAILS:
* Job Title: Lead I - (Web Api, C# .Net, .Net Core, Aws (Mandatory)
* Industry: Global digital transformation solutions provide
* Salary: Best in Industry
* Experience: 6 -9 years
* Location: Hyderabad
Job Description
Role Overview
We are looking for a highly skilled Senior .NET Developer who has strong experience in building scalable, high‑performance backend services using .NET Core and C#, with hands‑on expertise in AWS cloud services. The ideal candidate should be capable of working in an Agile environment, collaborating with cross‑functional teams, and contributing to both design and development. Experience with React and Datadog monitoring tools will be an added advantage.
Key Responsibilities
- Design, develop, and maintain backend services and APIs using .NET Core and C#.
- Work with AWS services (Lambda, S3, ECS/EKS, API Gateway, RDS, etc.) to build cloud‑native applications.
- Collaborate with architects and senior engineers on solution design and implementation.
- Write clean, scalable, and well‑documented code.
- Use Postman to build and test RESTful APIs.
- Participate in code reviews and provide technical guidance to junior developers.
- Troubleshoot and optimize application performance.
- Work closely with QA, DevOps, and Product teams in an Agile setup.
- (Optional) Contribute to frontend development using React.
- (Optional) Use Datadog for monitoring, logging, and performance metrics.
Required Skills & Experience
- 6+ years of experience in backend development.
- Strong proficiency in C# and .NET Core.
- Experience building RESTful services and microservices.
- Hands‑on experience with AWS cloud platform.
- Solid understanding of API testing using Postman.
- Knowledge of relational databases (SQL Server, PostgreSQL, etc.).
- Strong problem‑solving and debugging skills.
- Experience working in Agile/Scrum teams.
Good to Have
- Experience with React for frontend development.
- Exposure to Datadog for monitoring and logging.
- Knowledge of CI/CD tools (GitHub Actions, Jenkins, AWS CodePipeline, etc.).
- Containerization experience (Docker, Kubernetes).
Soft Skills
- Strong communication and collaboration abilities.
- Ability to work in a fast‑paced environment.
- Ownership mindset with a focus on delivering high‑quality solutions.
Skills
.NET Core, C#, AWS, Postman
Notice period - 0 to 15 days only
Location: Hyderabad
Virtual Interview: 7th Feb 2026
First round will be Virtual
2nd round will be F2F
Job Title: Backend Engineer – Python (AI Backend)
Location: Bangalore, India
Experience: 1–2 Years
Job Description
We are looking for a Backend Engineer with strong Python skills and hands-on exposure to AI-based applications. The candidate will be responsible for developing scalable backend services and supporting AI-powered systems such as LLM integrations, AI agents, and RAG pipelines.
Key Responsibilities
- Develop and maintain backend services using Python (FastAPI preferred)
- Build and manage RESTful APIs for frontend and AI integrations
- Support development of AI-driven features (LLMs, RAG systems, AI agents)
- Design and maintain both monolithic and microservices architectures
- Optimize database performance and backend scalability
- Work with DevOps for Docker-based deployments
Required Skills
- Strong experience in Python backend development
- Hands-on experience with FastAPI / Django / Flask
- Knowledge of REST APIs and microservices
- Experience with AI applications (LLM usage, prompt engineering basics)
- Database knowledge: MongoDB, PostgreSQL or MySQL
- Experience with Docker and basic cloud platforms (AWS/GCP/Azure)
- Hands-on experience with Redis for caching and in-memory storage
Good to Have
- Experience integrating payment gateways (Razorpay, Stripe, PayU, etc.)
- Exposure to event-driven architectures using RabbitMQ, Kafka, or Redis Streams
- Kubernetes
- Understanding of model fine-tuning concepts
- A solid grounding in Computer Science fundamentals (based on a BE/BTech or MS in Information
Technologies/Computer Science)
- Strong proficiency with JavaScript and knowledge of Node.js and frameworks.
- Strong hands on MongoDB and ability to write aggregation queries.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Hands-on on code versioning tools, such as Git, Redis, AWS, Sockets
Title: Senior Software Engineer – Python (Remote: Africa, India, Portugal)
Experience: 9 to 12 Years
INR : 40 LPA - 50 LPA
Location Requirement: Candidates must be based in Africa, India, or Portugal. Applicants outside these regions will not be considered.
Must-Have Qualifications:
- 8+ years in software development with expertise in Python
- kubernetes is important
- Strong understanding of async frameworks (e.g., asyncio)
- Experience with FastAPI, Flask, or Django for microservices
- Proficiency with Docker and Kubernetes/AWS ECS
- Familiarity with AWS, Azure, or GCP and IaC tools (CDK, Terraform)
- Knowledge of SQL and NoSQL databases (PostgreSQL, Cassandra, DynamoDB)
- Exposure to GenAI tools and LLM APIs (e.g., LangChain)
- CI/CD and DevOps best practices
- Strong communication and mentorship skills
- Strong hands-on code development experience in JAVA 14+, Restful Service, Spring Boot, JDBC Template.
- Experience in SQL scripting
- Experienced in developing and deploying web applications using Spring MVC and Spring boot.
- Hands on experience in one of the IDE’s – Eclipse or IntelliJ
- Experience with Tools- Maven, Jenkins
- Experience in entire software development life cycle from analysis, coding, testing, debugging and publishing using GIT
- AWS Services will be an added advantage
- Experience Kafka, K8s and Containers will be an added advantag.
Excellent communication, interpersonal & analytical skills with proven abilities in resolving the complex software issues
We are looking for a passionate and skilled Node.js Developer to join our dynamic team. If you're excited about building scalable and efficient backend applications using modern technologies, we’d love to hear from you!
Responsibilities
Develop and maintain server-side components using Node.js
Design and build scalable RESTful APIs
Ensure high performance and responsiveness of applications
Implement security and data protection measures
Collaborate with team members to define and deliver high-quality software
Write unit and integration tests to ensure software quality
Required Skills
✅ Strong proficiency in JavaScript
✅ Good understanding of Node.js and Express
✅ Experience with NoSQL databases, especially MongoDB
✅ Familiarity with Git and version control workflows
✅ Ability to write reusable, testable, and efficient code
✅ Experience with JWT and modern authorization mechanisms
✅ Knowledge of security and data protection best practices
✅ Strong analytical and problem-solving skills
• Develop and maintain all server-side network components
• Ensure optimal performance of the central database and responsiveness to front-end requests
• Collaborate with Frontend Developers on the integration of elements
• Working knowledge of socket programming
• Understand Facebook, Google, Twitter APIs
• Design customer-facing UI and backend services for various business processes
• Develop high-performance applications by writing testable, reusable, and efficient code
• Implement effective security protocols, data protection measures, and storage solutions
• Run diagnostic tests, repair defects, and provide technical support
• Document node.js processes, including database schemas, as well as prepare reports
• Recommend and implement improvements to processes and technologies
• Keep informed of advancements in the field of node.js development
• Extracting data from various social media and web via scraping or official API
Profile Requisites
• Bachelor's Degree in Computer Science, Information Science, or similar
• At least 4 years' experience as a node.js developer
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks
• Knowledge of frontend technologies such as HTML5 and CSS3
• Should have extensive experience with MongoDB
• Experience with a caching layer like redis
• Familiarity with Facebook, Google & Twitter APIs
• Familiarity with social media login and extracting data from authentication
• Experience with AWS services like SNS, SQS, EC2 instances, and Lambda
• Experience with Jenkins and Docker
• Familiarity with scraping from web and social media
• Familiarity with creation and working with proxies
• Proficient in unit testing framework like Mocha
• Experience in integrating 3rd party APIs
• Experience with elastic search would be great
• Superb interpersonal, communication, and collaboration skills
• Exceptional analytical and problem-solving aptitude
• Should be able to think of optimized solutions and scalable solution
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!*
- 2+ years of experience on Java, Spring Boot, Hibernate in medium to large-scale projects
- Must have experience with at least some flavours of both SQL (MySQL, Postgres) and NoSQL (Kafka, MongoDB, ElasticSearch, NoSQL distributed cache system, DynamoDB etc), datastores in production
- Must have experience with Kafka or similar message queue systems in production
- Stellar problem solving skills
- Hunger to learn new things and ability to grasp new concepts quickly
- Ability to move quickly without breaking things too much (we are dreamers)
- Ability to work under immense pressure which is balanced by a sense of responsibility and ownership
- Should be able to groom juniors and take them to the next level







