Roles and Responsibilities
1) Understand client requirements and functionalities.
2) Write well-designed, testable, efficient code.
3) Responsible for solving complex technical issues.
4) Ensure quality projects are delivered within defined timelines.
5) Active involvement in client communication to understand functional requirements.
6) Maintain high standards of quality for code, documentation and other deliverables.
At least 3 years' experience as a Node.js developer.
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Mandatory experience in MongoDB and MySql.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.

About Matellio India Private Limited
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About the Role:
We are seeking a highly skilled and motivated individual to join our development team. The ideal candidate will have extensive experience with Node.js, AWS, and MongoDB, and a strong pro-activeness and ownership mindset.
Technical Expertise:
- Architect, design, and develop scalable and efficient backend services using Node.js (Nest.js).
- Design and manage cloud-based infrastructure on AWS, including EC2, ECS, RDS, Lambda, and other services.
- Work with MongoDB to design, implement, and maintain high-performance database solutions.
- Leverage Kafka, Docker and serverless technologies like SST to streamline deployments and infrastructure management.
- Optimize application performance and scalability across the stack.
- Ensure security and compliance standards are met across all development and deployment processes.
Bonus Points:
- Experience with other backend languages like Python and worked on Agentic AI
- Security knowledge and best practices.
What you'll do:
· Perform complex application programming activities with an emphasis on mobile development: Node.js, TypeScript, JavaScript, RESTful APIs and related backend frameworks
· Assist in the definition of system architecture and detailed solution design that are scalable and extensible
· Collaborate with Product Owners, Designers, and other engineers on different permutations to find the best solution possible
· Own the quality of code and do your own testing. Write unit test and improve test coverage.
· Deliver amazing solutions to production that knock everyone’s socks off
· Mentor junior developers on the team
What we’re looking for:
· Amazing technical instincts. You know how to evaluate and choose the right technology and approach for the job. You have stories you could share about what problem you thought you were solving at first, but through testing and iteration, came to solve a much bigger and better problem that resulted in positive outcomes all-around.
· A love for learning. Technology is continually evolving around us, and you want to keep up to date to ensure we are using the right tech at the right time.
· A love for working in ambiguity—and making sense of it. You can take in a lot of disparate information and find common themes, recommend clear paths forward and iterate along the way. You don’t form an opinion and sell it as if it’s gospel; this is all about being flexible, agile, dependable, and responsive in the face of many moving parts.
· Flexible and willing to accept change in priorities, as necessary
· Demonstrable passion for technology (e.g., personal projects, open-source involvement)
· Enthusiastic embrace of DevOps culture and collaborative software engineering
· Ability and desire to work in a dynamic, fast paced, and agile team environment
· Enthusiasm for cloud computing platforms such as AWS or Azure
· Excellent written and verbal communications skills
. Sound knowledge of NoSQL databases like mongo.
. Experience with replication , sharding and scaling.
. Design, install, maintain highly available systems (includes monitoring, security, backup, and performance tuning)
. Implement secure database and server installations (privilege access methodology / role based access)
. Help application team in Cyper query writing, performance tuning & other D2D issues
• Deploy automation techniques for d2d operations
. Must possess good analytical and problem solving skills
. Must be willing to work flexible hours as needed
. Scripting experience a plus
. Ability to work independently and as a member of a team
. Strong verbal and written communication skills
- Minimum 4 years’ experience developing Node.js applications on top of RESTful APIs.
- Experience building single page applications using JavaScript frameworks and libraries (React)
- Experience with cross-browser, cross-platform and design constraints on the web.
- Experience with test automation: TDD, unit/integration/functional testing.
- Solid understanding of object-oriented design and programming concepts.
- Have a passion for quality and writing clean, solid, readable code that scales and performs well.
- Proficient in Git and familiarity with continuous integration.
- A team player who values collaboration, innovation, and inclusion
- Comfortable working in an Agile environment
- Strong verbal and written communication skills
RequiredSkills:
• Minimum of 4-6 years of experience in data modeling (including conceptual, logical and physical data models. • 2-3 years of experience inExtraction, Transformation and Loading ETLwork using data migration tools like Talend, Informatica, Datastage, etc. • 4-6 years of experience as a database developerinOracle, MS SQLor another enterprise database with a focus on building data integration process • Candidate should haveanyNoSqltechnology exposure preferably MongoDB. • Experience in processing large data volumes indicated by experience with BigDataplatforms (Teradata, Netezza, Vertica or Cloudera, Hortonworks, SAP HANA, Cassandra, etc.). • Understanding of data warehousing concepts and decision support systems.
• Ability to deal with sensitive and confidential material and adhere to worldwide data security and • Experience writing documentation for design and feature requirements. • Experience developing data-intensive applications on cloud-based architectures and infrastructures such as AWS, Azure etc. • Excellent communication and collaboration skills.
Key Responsibilities:
● Node.js Developer responsible for managing the interchange of data between the server and the users.
● Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.
● You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
● Strong proficiency with JavaScript
● Knowledge of Node.js core and frameworks Express, StrongLoop, koa, hapi etc
● Understanding the nature of asynchronous programming and its quirks and workarounds
● Good understanding of server-side templating languages
● Good understanding of server-side CSS preprocessors
● Basic understanding of front-end technologies, such as HTML5, and CSS3
● Understanding accessibility and security compliance
● Integration of multiple data sources and databases into one system
● Understanding fundamental design principles behind a scalable application
● Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
● Creating database schemas that represent and support business processes
● Implementing automated testing platforms and unit tests
● Proficient understanding of code versioning tools, such as Git.
Technical Skills:
● Expert knowledge of key Web technologies as HTML5, CSS3,
● Expert in JavaScript / AJAX, NodeJS, React.
● Expert knowledge of OO Analysis and Design,
● Expert on Design Patterns and Frameworks as NodeJS, React.
● Knowledge of Agile methodologies (Scrum).
Soft Skills:
● Self-motivation to work independently and strong work ethic.
● Ability to work in a team, and adapt to new and evolving processes.
● Flexibility and adaptable
● Deep experience with Agile
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














