
Principal Engineer (node.js)
at FinTech Product Development Firm
Your Responsibilities:
- Own the backend stack – Node.Js based, that powers our product
- Collaborate with Backend Developers (Python), Front-end developers, DevOps, and Data Scientists to design and implement new features
- Build and maintain several REST’ful Services/Endpoints which will be used both internally and externally in a Macroservices/Distributed services environment.
- Deploy and monitor the Services/Endpoints ensuring availability and scalability(ability to handle 100X traffic)
- Work on full project lifecycle starting from requirements gathering/understanding the problem to deploying and maintaining the project.
Skills that you bring Along:
- A minimum 8+ years of extensive work experience with Node.Js and related frameworks – particularly Express.Js.
- Extensive experience in designing and maintaining REST’ful API endpoints
- Extensive experience with databases such as Postgres and Mongo.
- Extensive experience in Cloud Infrastructure (AWS based) – e.g. AWS API Gateway, Lambda Functions etc.
- Experience with cache like Redis and/or Memory cache
- Good experience in Microservices/Macroservices or Event driven Architectures
- Good experience with design patterns
- Experience in writing advanced SQL-queries, good knowledge of PL/SQL
- Good understanding of Software Design Principles and domain-driven design
- Good experience with Continuous Delivery and Containerization(Docker)
- Ideally maintaining infrastructure-as-code using Terraform
- Excellent communication skills and the ability to explain complex topics in a simple manner

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Company Overview
McKinley Rice is not just a company; it's a dynamic community, the next evolutionary step in professional development. Spiritually, we're a hub where individuals and companies converge to unleash their full potential. Organizationally, we are a conglomerate composed of various entities, each contributing to the larger narrative of global excellence.
Redrob by McKinley Rice: Redefining Prospecting in the Modern Sales Era
Backed by a $40 million Series A funding from leading Korean & US VCs, Redrob is building the next frontier in global outbound sales. We’re not just another database—we’re a platform designed to eliminate the chaos of traditional prospecting. In a world where sales leaders chase meetings and deals through outdated CRMs, fragmented tools, and costly lead-gen platforms, Redrob provides a unified solution that brings everything under one roof.
Inspired by the breakthroughs of Salesforce, LinkedIn, and HubSpot, we’re creating a future where anyone, not just enterprise giants, can access real-time, high-quality data on 700 M+ decision-makers, all in just a few clicks.
At Redrob, we believe the way businesses find and engage prospects is broken. Sales teams deserve better than recycled data, clunky workflows, and opaque credit-based systems. That’s why we’ve built a seamless engine for:
- Precision prospecting
- Intent-based targeting
- Data enrichment from 16+ premium sources
- AI-driven workflows to book more meetings, faster
We’re not just streamlining outbound—we’re making it smarter, scalable, and accessible. Whether you’re an ambitious startup or a scaled SaaS company, Redrob is your growth copilot for unlocking warm conversations with the right people, globally.
EXPERIENCE
Duties you'll be entrusted with:
- Develop and execute scalable APIs and applications using the Node.js or Nest.js framework
- Writing efficient, reusable, testable, and scalable code.
- Understanding, analyzing, and implementing – Business needs, feature modification requests, and conversion into software components
- Integration of user-oriented elements into different applications, data storage solutions
- Developing – Backend components to enhance performance and receptiveness, server-side logic, and platform, statistical learning models, highly responsive web applications
- Designing and implementing – High availability and low latency applications, data protection and security features
- Performance tuning and automation of applications and enhancing the functionalities of current software systems.
- Keeping abreast with the latest technology and trends.
Expectations from you:
Basic Requirements
- Minimum qualification: Bachelor’s degree or more in Computer Science, Software Engineering, Artificial Intelligence, or a related field.
- Experience with Cloud platforms (AWS, Azure, GCP).
- Strong understanding of monitoring, logging, and observability practices.
- Experience with event-driven architectures (e.g., Kafka, RabbitMQ).
- Expertise in designing, implementing, and optimizing Elasticsearch.
- Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
- Expertise in Event driven architecture.
- Experience in Integrating Generative AI APIs.
- Working experience in high user concurrency.
- Experience in scaled databases for handling millions of records - indexing, retrieval, etc.,
Technical Skills
- Demonstrable experience in web application development with expertise in Node.js or Nest.js.
- Knowledge of database technologies and agile development methodologies.
- Experience working with databases, such as MySQL or MongoDB.
- Familiarity with web development frameworks, such as Express.js.
- Understanding of microservices architecture and DevOps principles.
- Well-versed with AWS and serverless architecture.
Soft Skills
- A quick and critical thinker with the ability to come up with a number of ideas about a topic and bring fresh and innovative ideas to the table to enhance the visual impact of our content.
- Potential to apply innovative and exciting ideas, concepts, and technologies.
- Stay up-to-date with the latest design trends, animation techniques, and software advancements.
- Multi-tasking and time-management skills, with the ability to prioritize tasks.
THRIVE
Some of the extensive benefits of being part of our team:
- We offer skill enhancement and educational reimbursement opportunities to help you further develop your expertise.
- The Member Reward Program provides an opportunity for you to earn up to INR 85,000 as an annual Performance Bonus.
- The McKinley Cares Program has a wide range of benefits:
- The wellness program covers sessions for mental wellness, and fitness and offers health insurance.
- In-house benefits have a referral bonus window and sponsored social functions.
- An Expanded Leave Basket including paid Maternity and Paternity Leaves and rejuvenation Leaves apart from the regular 20 leaves per annum.
- Our Family Support benefits not only include maternity and paternity leaves but also extend to provide childcare benefits.
- In addition to the retention bonus, our McKinley Retention Benefits program also includes a Leave Travel Allowance program.
- We also offer an exclusive McKinley Loan Program designed to assist our employees during challenging times and alleviate financial burdens.
We are looking for an experienced Node.js Developer with at least 3-years of experience. In this role, you will be responsible for developing and maintaining server-side applications and building scalable applications using Node.js. It is a WFH/Remote, full-time position.
Responsibilities
- Design and develop RESTful APIs using Node.js
- Build and maintain high-performance, reusable, and reliable code
- Write unit and integration tests for all code changes
- Developing and maintaining all server-side network components
- Designing customer-facing UI and back-end services for various business processes
- Collaborate with cross-functional teams to define, design, and ship new features
- Optimize application performance and ensure scalability and reliability
- Troubleshoot and debug issues in the application codebase
- Documenting Node.js processes, including database schemas, as well as preparing reports
Qualifications
- 3+ years of experience designing and/or developing applications using node.js
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks
- Strong experience with ExpressJS or Restify frameworks
- Very well understanding of Javascript, Browsers, real time communication
- Experience with ReactJS & MongoDB is a plus
- Strong fundamentals in OOPS, Data structured and Design Patterns
- Knowledge of front-end technologies such as HTML5 and CSS3
About Us:
We live in the realm of rising, ever evolving technology. From the cassette tape to nanotech skeletons, we’ve come a long way. Splitting an atom is no big deal – and who’d have thought that we’d talk through airwaves? Change is inevitable, and we’re the tide that brings it.
At Relinns, we breathe tech solutions and embrace innovation with open arms. With over 4 years of experience, we've had phenomenal growth which acts as a testimony to the knowledge we've come to gather over time. We have been fortunate enough to get an opportunity to work with clients such as Apollo Tyres, Shahi Exports, Manchester City Football Club, etc.
Our team is on the path of finding religion in the workplace of today. To find our way, we have three tools at our disposal: cutting edge technological tools, a meticulously dedicated work ethic, and crisp bow-tie professionalism.
About the role:
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the client. 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 client 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.
What You Need for this Position:
- Strong understanding of JavaScript, its quirks and workarounds.
- Basic understanding of TypeScript & its quirks and workarounds.
- Advanced knowledge of NPM and the most frequently used libraries (E.g: Socket.io, Underscore.js, Passport, etc.).
- Knowledge of any Node.JS ORM (Mongoose, Sequlize, Knex, etc.).
- Understanding of any of the following Node.JS frameworks: Express JS, Koa Js, Hapi JS or any other.
- Good understanding of OOP and data structures.
- JavaScript unit testing frameworks (prefer Unit.js, Mocha).
- Ability to write complex algorithms.
- Understanding of code versioning tools, such as {GIT / Mercurial / SVN}.
What You Will Be Doing:
- Develop and provide solutions on JavaScript frameworks
- Develop high-traffic, flawless web applications using Node.JS
- Participate in code and design reviews to ensure consistency in architecture and design/code practice
- Code with performance, scalability, and usability in mind
- Work on new tools in leading industry trends, with new and emerging technologies, prototypes and engineering process improvements
- Work closely with next-generation architecture development teams using cutting edge approaches and technologies
Top Reasons to Work with Us:
- We're a small, fast-paced growing team tackling huge new challenges every day.
- Learning new concepts while working with intellectual and exceptionally talented team
- Friendly and high growth work environment
- Competitive compensation
About the job:
You'll be responsible for building backend of our platforms. You must know Mongodb, and Node.js.
Expectations:
Develop backend API’s.
Strong ability to design and configure schema and MongoDB data modelling
Assuring the complete stack is designed and built for high performance and scalability.
Your Requirement:
Must know Mongodb and Node.js.
Work experience of minimum 2 years.
Worked with startups and evolved products for scale.
Preferred:
Growth mindset & leadership abilities to work in a frugal environment.
Responsibilities :
- Design and develop highly scalable, highly available, reliable, secure and fault-tolerant systems with minimal guidance for one of the fastest-growing company in India
- Translate business requirements into scalable and extensible design
- Pair with team members on functional and nonfunctional requirements and spread design philosophy, goals and improve the code quality across the team
- Partner with the product management team to define and execute the feature roadmap
- Coordinate with cross-functional teams (Mobile, UX etc.) on planning and execution
- Proactively manage stakeholder communication related to deliverables, risks, changes and dependencies
- The building of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.
Experience and Skills :
- 2+ years of hands-on experience in designing, developing, testing and deploying applications on Node.JS for large scale applications.
- Strong proficiency with JavaScript
- Understanding of Asynchronous Request handling techniques.
- Deep knowledge of Linux : CentOS, Fedora, or Ubuntu
- Data modeling experience in Relational and NoSQL databases(MONGO DB)
- Ability to understand and implement Continuous Integration and Continuous Delivery
- Well versed with Agile methodologies, TDD and Test Engineering and Automation
- Ability to design and implement low latency RESTful services
- Experience troubleshooting server performance - memory issues, GC tuning, resource leaks, etc.
- Excellent understanding of interactive application development paradigm, memory management, performance/resource optimizations, database interactions, network programming, concurrency and multithreading, fault tolerance, monitoring, security and operability of systems
- Continuously refactor applications to ensure high-quality design
- Ability to plan, prioritize, estimate and execute releases with a good degree of predictability











