Sr. Backend Software Engineer

Job Title : Senior Node.js Developer

Experience : 5 to 10 Years

Location : Gurugram (5 days WFO) | Initial 15 days in Udaipur (expenses covered)

Notice Period : 1 Month or less

Role Overview :

We are hiring a Senior Node.js Developer to lead and deliver scalable solutions, drive best practices, and mentor engineers. Strong Node.js expertise is mandatory (MERN experience welcome with Node.js depth).

Mandatory Skills :

Node.js, Express.js, Data Structures & Algorithms, System Design (HLD/LLD), CI/CD, Git, Agile, Async programming, Debugging & Performance Optimization.

Key Responsibilities :

• Lead development and ensure high‑quality delivery.
• Gather requirements, design (HLD/LLD), and implement solutions.
• Optimize performance, scalability, and integrations.
• Mentor team members and support hiring.
• Collaborate in Agile teams and enforce coding best practices.

Required Skills :

• 5 to 10 Years in backend with Node.js/Express.js.
• Strong in DSA, problem‑solving, and system design.
• Experience with CI/CD, Git, and Agile methodologies.
• Expertise in async programming, debugging, and performance tuning.
• Excellent communication and collaboration skills.

Nice to Have : MERN stack exposure, cloud (AWS/Azure/GCP), Docker, caching/queues.

Interview Process :

1. AI Technical Interview
2. System Design Round (HLD & LLD)
3. Data Structures & Algorithms
4. HR Interview

Location :

• Primary : Gurugram (Digital Greens, Sector 61)
• Initial 15 days : Udaipur (A‑square, Shobhagpura)

Note : Preference for Gurugram/NCR candidates. Stable profiles only.

Designation – Nodejs Developer

Experience – Min 3+ Yrs

Location: Ahmedabad ( WFO)

We are seeking a highly skilled Senior Node.js Developer with expertise in SQL and MongoDB to join our dynamic team.

As a key member of our development team, you will be responsible for managing the interchange of data between the server and users, as well as developing server-side logic. Your primary focus will be on the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. Additionally, your experience with both SQL and NoSQL databases will be crucial in defining and maintaining our data storage solutions.

Responsibilities:

 Develop and maintain server-side applications using Node.js.

 Design and implement RESTful APIs for seamless integration with front-end applications.

 Collaborate with front-end developers to integrate user-facing elements with server-side logic.

 Optimize applications for maximum speed and scalability.

 Implement security and data protection measures.

 Design and maintain database schemas for both SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB) databases.

 Manage and mentor junior developers, providing technical guidance and support.

 Stay updated with emerging technologies and industry best practices.

Requirements:

 Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.

 Minimum 4 years of experience in Node.js development.

 Proficiency in JavaScript/TypeScript and frameworks such as Express.js.

 Strong understanding of asynchronous programming and event-driven architecture.

 Experience with SQL databases (e.g., MySQL, PostgreSQL) and proficiency in writing complex SQL queries.

 Experience with NoSQL databases (e.g., MongoDB) and familiarity with their query languages.

 Familiarity with ORM libraries (e.g., Sequelize, Mongoose) for database interaction.

 Knowledge of version control systems (e.g., Git).

 Understanding of CI/CD pipelines and deployment processes.

 Excellent communication and teamwork skills.

 Ability to lead and mentor a team of developers.

We’re seeking a highly skilled, execution-focused Senior Backend Engineer with a minimum of 5 years of experience to join our team. This role demands hands-on expertise in building and scaling distributed systems, strong proficiency in Java, and deep knowledge of cloud-native infrastructure. You will be expected to design robust backend services, optimize performance across storage and caching layers, and enable seamless integrations using modern messaging and CI/CD pipelines.

You’ll be working in a high-scale, high-impact environment where reliability, speed, and efficiency are paramount. If you enjoy solving complex engineering challenges and have a passion for distributed systems, this is the right role for you.

Responsibilities:

• Design, develop, and maintain distributed backend systems at scale.
• Write high-performance, production-grade code in Java.
• Architect and optimize storage systems, ensuring efficient query performance and scalable data models.
• Implement caching strategies to reduce latency and improve system throughput.
• Build and manage services leveraging AWS cloud infrastructure.
• Develop resilient messaging pipelines using Kafka (or equivalent) for real-time data processing.
• Define and streamline CI/CD pipelines, ensuring rapid and reliable deployment cycles.
• Collaborate with product managers, frontend engineers, and DevOps to deliver end-to-end solutions.
• Monitor system performance, identify bottlenecks, and apply proactive fixes.
• Drive best practices in software engineering, testing, and code reviews.

Requirements:

• 5+ years of experience in backend engineering, with deep hands-on coding experience.
• Strong proficiency in Java and familiarity with modern frameworks.
• Proven track record in building scalable distributed systems.
• Hands-on expertise with AWS services (e.g., EC2, S3, Lambda, DynamoDB, RDS).
• Solid understanding of messaging systems like Kafka, RabbitMQ, or similar.
• Strong grasp of query performance optimization and storage system design.
• Experience with caching solutions (Redis, Memcached, etc.).
• Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI, etc.).
• Excellent problem-solving skills and ability to thrive in fast-paced environments.
• Strong communication and collaboration skills, with a proactive mindset.

Benefits:

• Best in class salary: We hire only the best, and we pay accordingly.
• Proximity Talks: Meet other designers, engineers, and product geeks — and learn from experts in the field.
• Keep on learning with a world-class team: Work with the best in the field, challenge yourself constantly, and learn something new every day.

About Us

Proximity is the trusted technology, design, and consulting partner for some of the biggest Sports, Media, and Entertainment companies in the world! We’re headquartered in San Francisco and have offices in Palo Alto, Dubai, Mumbai, and Bangalore. Since 2019, Proximity has created and grown high-impact, scalable products used by 370 million daily users, with a total net worth of $45.7 billion among our client companies.

Today, we are a global team of coders, designers, product managers, geeks, and experts. We solve complex problems and build cutting-edge tech, at scale. Our team of Proxonauts is growing quickly, which means your impact on the company’s success will be huge. You’ll have the chance to work with experienced leaders who have built and led multiple tech, product, and design teams.

About this roleWe are seeking an experienced MongoDB Developer/DBA who will be

responsible for maintaining MongoDB databases while optimizing performance, security, and

the availability of MongoDB clusters. As a key member of our team, you’ll play a crucial role in

ensuring our data infrastructure runs smoothly.

You'll have the following responsibilities

 Maintain and Configure MongoDB Instances - Responsible for build, design, deploy,

maintain, and lead the MongoDB Atlas infrastructure. Keep clear documentation of the

database setup and architecture.

 Ownership of governance, defining and enforcing policies in MongoDB Atlas.Provide

consultancy in drawing the design and infrastructure (MongoDB Atlas) for use case.

 Service and Governance wrap will be in place to restrict over provisioning for server size,

number of clusters per project and scaling through MongoDB Atlas

 Gathering and documenting detailed business requirements applicable to the data

layer.Responsible for designing, configuring and managing MongoDB on Atlas.

 Design, develop, test, document, and deploy high-quality technical solutions on the

MongoDB Atlas platform based on industry best practices to solve business needs.

Resolves technical issues raised by the team and/or customer and manages escalations as

required.

 Migrate data from on-premise MongoDB and RDBMS to MongoDB AtlasCommunicate

and collaborate with other technical resources and customers in providing timely updates

on status of deliverables, shedding light on technical issues, and obtaining buy-in on

creative solutions.

 Write procedures for backup and disaster recovery.

You'll have the following skills & experience

 Excellent analytical, diagnostic skills, and problem-solving skills

 Should understand the Database concept and develop expertise in designing and

developing NoSQL databases such as MongoDB

 MongoDB query operation, import and export operation in database

 Experience in ETL methodology for performing Data Migration, Extraction,

Transformation, Data Profiling and Loading

 Migrating database by ETL, migrating database by manual process and designing,

development, implementation

 General networking skills, especially in the context of a public cloud (e.g. AWS – VPC,

subnets, routing tables, nat / internet gateways, dns, security groups)

 Experience using Terraform as an IaC tool for setting up infrastructure on AWS

CloudPerforming database backups and recovery

 Competence in at least one of the following languages (in no particular order): Java, C++,

C#, Python, Node.js (JavaScript), Ruby, Perl, Scala, Go

 Excellent communication skills, often being able to compromise but draw out risks and

constraints associated with solutions. Be able to work independently and collaborate with

other teams

 Proficiency in configuring schema and MongoDB data modeling.

 Strong understanding of SQL and NoSQL databases.

 Comfortable with MongoDB syntax.

 Experience with database security management.

 Performance Optimization - Ensure databases achieve maximum performance and

availability. Design effective indexing strategies.

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

Stalwart Themius is hiring a Backend Developer - Node.js to join our client's team in Mumbai. The selected candidate will work on cutting-edge technology and product. He/She will gain experience and will stand an opportunity to be hands-on, collaborative and fluent in the latest server-side, web capabilities and technologies. This will include all aspects of the creative process from conceptualizing to completion including design, development, presenting ideas, and working with the leadership team.

• Role: NodeJS Developer
• Experience: 1 - 4 years
• Location: Airoli, Navi Mumbai

Responsibilities:

• Use your knowledge about High Availability, Load Balancing, Scalability, and Distributed Computing in order to design database architectures and data structures that can grow with our business 
• Collaborate with Product, Engineering and Business teams to drive the architecture, design, development and deployment of our analytics and a reporting portal
• Identify and address architecture challenges to ensure a robust, safe, securely accessible, highly available and highly scalable product that meets or exceeds customer and end-user expectations
• Collaborate with leadership and technology teams on creative concepts, and then launch and shape the required design components for each presentation and/ or production
• Able to work closely / collaborate with multiple product development teams including software developers

Primary Skills:

• 1-4 years of experience with Node.JS
• 1-4 years of experience with NoSQL (MongoDB)
• Experience with Agile Software Development

Preferred Skills:

• Knowledge of Software Deployment
• Knowledge of IT Security for Web Services
• Expert in using Revision Control Systems (Git)
• Must have outstanding communication and collaboration skills

Benefits:

• Competitive salary and benefits package.
• Opportunity to work with a growing company.
• Collaborative and supportive work environment.
• Opportunities for professional development.

We are looking for a 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.

Responsibilities

• Developing and maintaining all server-side network components.

• Ensuring optimal performance of the central database and responsiveness to front-end requests.

• Collaborating with front-end developers on the integration of elements.

• Designing customer-facing UI and back-end services for various business processes.

• Developing high-performance applications by writing testable, reusable, and efficient code.

• Implementing effective security protocols, data protection measures, and storage solutions.

• Running diagnostic tests, repairing defects, and providing technical support.

• Documenting Node.js processes, including database schemas, as well as preparing reports.

• Recommending and implementing improvements to processes and technologies.

• Keeping informed of advancements in the field of Node.js development.

Requirements

• At least 1 - 3 years experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

Key Skill

Node.Js, Object Oriented Programming, Java Script, HTML/HTML5, CSS/CSS3

He/she should have minimum 3 yrs working experience on PHP, PHP Frameworks, Ajax, Knowledge on CMS platform like Open cart, payment gateway integration, experience working on portals.

Responsibilities :

- Execute full lifecycle software development

- Develop, designed well efficient code

- Integrate software components into a fully functional software system

- Fully adaptive to the technology needed for the current project

Required Skills :

- Bachelor/ Master degree from good college.

- Strong knowledge of algorithms, data structure

- Understanding object-oriented programming

- Excellent knowledge of PHP, Mysql, SQL. NoSQL, Mongodb

- Ability & Readiness to work with any technology

- Familiarity with software development methodology and release processes.

- Strong problem-solving skills and excellent communication skills.

Job Type: Full-time