NodeJS Developer

Job Summary

We're looking for a Senior Backend Software Development Engineer (SDE 2 and SDE 3) with deep technical expertise in building and operating production systems at scale. You'll own entire components/services within microservices and data pipelines that handle ~200K queries per second and process petabytes of data daily. This role demands hands-on coding excellence, strong Low-Level Design (LLD) skills, and complete ownership—from component architecture through infrastructure management to cost optimization. You'll architect solutions, lead technical decisions, and drive operational excellence while shipping code daily.

Key Responsibilities:

• Component Ownership: Own one or more critical components/services end-to-end—responsible for architecture, development, deployment, operations, and evolution
• Technical Ownership: Own the entire lifecycle of your components—design, implementation, testing, deployment, monitoring, incident response, and continuous improvement
• Low-Level Design: Create detailed technical designs (LLD) for complex systems—defining data models, APIs, concurrency patterns, and failure modes
• Hands-on Development: Write production-grade code daily—this is not a purely architectural role; you'll be deep in the codebase
• Infrastructure Ownership: Own and operate the infrastructure your components run on—capacity planning, scaling, reliability improvements
• Cost Management: Drive cost optimization for owned components—analyze spending, identify waste, implement efficient architectures
• Scale & Performance: Build and optimize systems handling 200K+ QPS and petabyte-scale data processing
• Observability: Design and implement comprehensive monitoring, alerting, and debugging capabilities for owned components
• Incident Leadership: Lead incident response for your components and related services, conduct post-mortems, drive systemic improvements
• On-Call Excellence: Participate in on-call rotations and ensure your components are operationally sound (runbooks, alerts, dashboards)
• Technical Roadmap: Define and drive the technical roadmap for your owned components—balancing feature development, tech debt, and operational improvements
• Technical Mentorship: Guide junior and mid-level engineers on system design, code quality, and production best practices
• Cross-functional Collaboration: Work with product, infra, and other eng teams to define requirements and deliver solutions
• Agile Execution: Break down complex projects, deliver incrementally in daily cadence, iterate based on feedback

Required Qualifications:

• Experience: 2+ years building and operating backend systems in production environments at scale
• Education: B.E./B.Tech in Computer Science or equivalent practical experience
• Component Ownership: Proven track record of owning significant components or services from inception to maturity—demonstrable end-to-end ownership
• Low-Level Design (LLD): Proven ability to create detailed technical designs—data structures, algorithms, API contracts, concurrency models, failure handling
• Programming Mastery: Expert-level proficiency in at least one modern language (Go, Python, Java, NodeJS etc.) with track record of writing maintainable, performant production code
• Databases: Deep hands-on experience with SQL and NoSQL databases—schema design, query optimization, indexing strategies, operational troubleshooting
• Microservices at Scale: Extensive experience building, deploying, and operating microservices handling high throughput and large data volumes
• Data Pipelines: Strong background designing and running data processing pipelines at scale (batch and/or streaming)
• Observability: Expert understanding of metrics, logging, tracing, and alerting—you know how to make systems debuggable
• Production Operations: Significant experience with incident response, on-call rotations, debugging live issues under pressure
• Infrastructure Knowledge: Hands-on experience managing infrastructure, understanding resource utilization, capacity planning
• Cost Consciousness: Experience analyzing and optimizing infrastructure costs at scale
• Distributed Systems: Strong fundamentals in distributed systems, concurrency, consistency models, and failure scenarios
• Accountability: Track record of taking full ownership—from design through deployment to ongoing operations and improvements

Preferred Qualifications:

• Experience with cloud platforms (GCP, AWS, or Azure) including cost management tools
• Kubernetes and container orchestration at scale
• Infrastructure as Code (Terraform, Pulumi, etc.)
• Streaming data systems (Kafka, Pub/Sub, Kinesis, Flink, etc.)
• SRE principles and reliability engineering practices
• Experience with FinOps or infrastructure cost optimization
• Performance profiling and optimization (CPU, memory, I/O)
• Technical leadership experience including mentorship of teams and driving multi-component initiatives
• Open source contributions or recognized technical writing

LambdaTest is a cloud-based testing platform aimed at bringing the whole testing ecosystem to cloud. LambdaTest provides access to a powerful cloud network of 2000+ real browsers and operating system that helps testers in cross-browser and crossplatform compatibility testing. The product roadmap is evolving and there are many more functionalities and features which will be added to the product. The company is backed by the Tier 1 VC funds and entrepreneurs of the industry. We are growing at a fantastic rate. This is an incredible opportunity for someone talented and ambitious to make a huge impact.

Role

• Develop & maintain shared APIs, libraries and frameworks
• Improve the performance and reliability of our services including databases, CI/CD pipeline, web services, and other integrations
• Monitor and scale our cloud infrastructure
• Collaborate with other teams on security, automation, and internal tools
• Evaluate and develop new tools and technologies that can help achieve company-level goals

Required Candidate profile

• 4 - 8 years of experience in Development.
• Should have good knowledge of backend Technologies like Python, Nodejs, Golang.
• Should have worked with Databases like Mysql, monogdb etc.
• Should have working experience in cloud environment.
• Engineering degree in computer science, engineering or related discipline from good institutes

About Us:
Nativebyte is a software services company with focus on building large scale enterprise applications which work with millions of users. We work with startups and large corporates alike to develop end to end technology solution for them.

Job Description:
We are looking for a Backend developer who is proficient with Node.js. Your primary focus will be on developing user interface components and implementing them following well-known Node.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities

• Responsible for server-side web application logic and integration of the work front-end developers
• Write the web services and APIs used by front-end developer and mobile application developers.
• API integration Backup and restore technologies for a website’s files and DB
  
  

Skills:

• Proficient knowledge of the back-end programming language and the framework that is used by the company
• Understanding of front end technologies like HTML, CSS, and JavaScript (to communicate with team members on the front-end) 
• Ability to manage a hosting environment, including database administration as well as scaling applications to handle load changes
• Knowledge of accessibility and security compliance 
• Experience with version control, such as Git
  
  

Notice Period - Immediate or 15 days or 30 days.

ob Description:

We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product. 

    Responsibilities:-

• Own the product development from scratch.
• Architect scalable, distributed and large-scale web and mobile solutions from scratch.
• Code for fresh development and to troubleshoot and resolve issues.
• Writing reusable, testable, and efficient code.
• Creating database schemas that represent and support business processes.
• Design and implementation of low-latency, high-availability, and performant applications.
• Able to learn & implement new technology/framework/library at God Speed.
• Customer-focused, react well to changes, work with teams and be able to multitask.
• Experience and knowledge of open-source tools and frameworks, broader cutting edge technologies around server side development. 

   Desired Candidate Profile:-

• A Bachelor's degree in Computer Science or related field(or combined with related experience)
• Strong Expertise in Node.js/Javascript
• Hands-on experience in writing Node.js applications
• Deep knowledge of Restful APIs, Web Services, command-line programs and solid design principles.
• Knowledge of Node.js and frameworks like Express.js,Sails.js,StrongLoop, Meteor,Loopback.js, etc
• Knowledge of SQL and NoSQL database(MongoDB)
• Knowledge of tools like Docker, Git, Postman, JSdocs, etc.
• Well versed with front-end technologies - HTML5, and CSS3, AWS, GCP, Azure, Good hold on CLI command, OS
• Proficiency in multiple programming languages, both dynamic(Javascript, Python, Ruby, etc.) and strongly typed object-oriented language.
• Implementing automated testing platforms and unit tests.
• Must be a proven performer and team player that enjoys challenging assignments in a high energy, fast growing and start-up workplace.
• Good communication and interpersonal skills.

About Gobillion

Gobillion is a YCombinator backed IIM-NIT alumni co-founded social commerce startup headquartered in San Francisco, USA with offices in New Delhi, Bangalore and Guwahati. We are bringing e-commerce 2.0 to the next 400 million online customers across India, through a community and social driven approach. Our co-founding has diversified experience with prestigious organizations including McKinsey & Company, Deloitte US, EY, Adobe and SAP Labs.

Gobillion has been rapidly scaling and is backed by some of the world’s most prestigious investors from US, Europe, SE Asia and India including - YCombinator, Justin Mateen (Founder - Tinder), Pioneer Fund, Soma Capital, Venture Souq, Goodwater Capital, LetsVenture, Vikalp Sahni (Co-Founder- Gobibibo) amongst others.

We have been selected for and globally validated by the world’s leading investors/accelerators including YCombinator, Founder Institute Silicon Valley, NASSCOM 10000 Startups - India and Assam Startup. We have been named as the Top 10 Global startup for YCombinator S21 by Alex Mitchell.

Summary of role: As a Developer, you will be working alongside our product team in the conceptualization, design and development of server side components. You will be doing the following on the job

• Write clean, manageable code and maintain proper documentation
• Create, test and deploy and maintain the applications on production servers
• Continuously discover, analyze, and implement new technologies and frameworks to maximize development efficiency
• Lead team in crafting solutions in different areas and ensure timely delivery
• Ensure secure architecture for Servers

Why Join Us?

• You will have a chance to be a leader and have the responsibility to scale Gobillon across India's most fast growing cities
• The opportunity to join one of India’s fastest growing companies at an early stage - We are giving our early team members to benefit from a strong ESOP pool and be part of our growth journey
• Joining an amazing team of Gobillion rockstars from colleges like IIMs, IITs, NITs etc. and from organizations including McKinsey & Company, Deloitte US, EY, Adobe, SAP Labs, Urban Company, Udaan, Amazon, Delivery, Ninjacart, Accenture etc.
• Wear the Gobillion badge with pride - We are looking for owners with a founder’s mindset - not just employees. If you are passionate about our mission about making e-commerce social for the next 400M customers in India and serve as culture carriers - we are the right place for you!

Key Responsibilities of this Role:

• Experience with DevOps and writing REST APIs & Micro services architecture
• Strong programming expertise in Node js, Nest Js
• Good understanding of Mongo databases and other NoSql Databases and SQL Database
• Solid hold on Data structures and Algorithm
• Good understanding of System Design
• Development expertise in AWS services like Lambda, SQS, SNS
• Good understanding of DevOps and Server security
• Exposure to Cloud Platforms like AWS (preferred), Azure or Google Cloud
• Unix command line experience
• Well-versed with Software Development Life Cycle
• Demonstrate the ability to be a self-starter and learn quickly
• Excellent analytical and problem-solving skills
• Passion for learning and implementing new technologies
• Excellent understanding of software Architectures

2.       Proficiency with fundamental front-end languages such as HTML, CSS.

3.       Familiarity with JavaScript frameworks such as Angular JS, React, and Amber.

4.       Proficiency with server-side languages such as Python / Ruby / Java / PHP/ .Net.

5.       Good Understand with database technology such as MySQL, Oracle, and MongoDB.

• Working knowledge of Node-Sync, callback hell and ways to control asynchronous behavior of Node functions.
• Strong command on ES6(EcmaScript) or Javascript and its concepts like prototypes, call back, closures etc
• Should have deep understanding of Native Node.js, Express.js, HAPI.js and middlewares.
• Candidates must have proper understanding and command on RESTful API development and consumptions.
• Candidates must know to use promises, async-await to control synchronization of business logic components.
• Candidates must have knowledge of JWT, oAuth and passport.js for user authentication.
• Candidates must have knowledge of GIT, Bit-bucket.
• Candidates must have knowledge of application deployment.
• Experience with NoSQL databases eg mongodb (preferred).