Node.js Developer

We’re seeking a highly skilled, execution-focused Senior Backend Engineer(6 Months contract) 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 built high-impact, scalable products used by millions of users every day. Today, we are a global team of engineers, designers, product managers, and experts solving complex problems and building cutting-edge technology at scale.

Location: Bangalore 

About us 

RockED is the premier people development platform for the automotive industry, supporting the entire employee lifecycle from pre-hire and onboarding to upskilling and career transitions. With microlearning content, gamified delivery, and real-time feedback, RockED is educating the automotive workforce and solving the industry's greatest business challenges. 

The RockED Company Inc. is headquartered in Florida. Backed by top industry experts and investors, we’re a well-funded startup on an exciting growth journey. Our R&D team (Indian entity) is at the core of all product and technology innovation 

We partner with 10000+ dealerships, empower 60,000+ learners, complete 15000+ certifications, and have crossed 11 million lesson completions

Check out our website https://www.rocked.us/ 

Your Impact

We are looking for a Hands-on software developer with strong hands-on experience in backend technologies (Node.js) who can lead, mentor, and grow a high-performing engineering team.

Engineers who can combine technical depth with strategic product thinking. This role is ideal for someone who enjoys working with modern backend stacks, brings strong critical thinking to the table, and can balance short-term delivery with long-term technical vision. 

• Stay updated with evolving AI technologies and encourage the team to leverage AI tools effectively to improve development efficiency and innovation.
• Build and provide technical direction and architectural guidance for backend services and APIs.
• Design, implement, and maintain databases, ensuring data integrity, security, and efficient retrieval. 
• Implement the core logic that makes applications work, handling data processing, user requests, and system operations. 
• Contribute actively to system architecture, proposing enhancements and leading design discussions for new features and services.
• Working closely with product managers and designers to turn ideas into reality and shape the product roadmap. 
• Optimize systems for performance, scalability, and security 
• Stay up-to-date with new technologies and frameworks, Drive planning, prioritization, and timely delivery of engineering initiatives.
• Drive code quality through writing unit tests, documentations and conducting code reviews.
• Take ownership of end-to-end feature development — from design to deployment and monitoring.

What skills do you need? 

• Extensive (Must have) hands-on experience in JavaScript / TypeScript, backend development using Node.js and Express.js, and database management with MySQL.
• Strong command of JavaScript and understanding of its quirks and best practices
• Exposure to system design and interest in building scalable, high-availability systems.
• Experience from a high-growth product-based startup is a must-have.
• Ability to think strategically when designing systems—not just how to build, but why
• Prior work on B2C applications with a focus on performance and user experience
• Knowledge of Sequelize, MongoDB, and AWS would be an advantage. 
• Curiosity and openness to adopt emerging AI technologies in engineering workflows and incorporate AI capabilities into products or internal tools.

Why choose a career at RockED? 

• Build from Day One: Work in small, fast-moving teams solving real problems and building products from the ground up.
• Learn from Industry Leaders: Collaborate directly with leaders who’ve held senior roles at global companies like Adobe, Microsoft, Walmart, and more.
• AI Expoure: We encourage engineers to leverage AI tools and emerging technologies to improve productivity, experimentation, and innovation.
• Global Exposure: Be part of a diverse, high-calibre team working closely across the US and India.
• People-First Benefits: ₹10 lakh health insurance coverage for you and your family—fully sponsored by RockED.

Minimum 5 years of experience in NestJS and NodeJS backend development.

● Strong expertise in microservices architecture.

● Proficient in working with SQL databases like PostgreSQL or similar.

● Hands-on experience with ORMs (e.g., TypeORM or other popular ORMs).

● Solid understanding of Swagger for API documentation.

● In-depth knowledge of REST API architecture.

● Basic understanding of Docker/containerization tools.

● Excellent debugging and problem-solving skills.

● Strong communication skills for effective collaboration across teams.

● Sound knowledge of design patterns and backend best practices.

● System design expertise (a strong plus).

● Basic knowledge of frontend technologies like React or Angular (a plus).

Job Summary:

We are seeking a skilled and experienced Java Developer with hands-on expertise in AWS, Spring Boot, and Microservices architecture. As a core member of our backend development team, you will design and build scalable cloud-native applications that support high-performance systems and business logic.

Key Responsibilities:

• Design, develop, and maintain backend services using Java (Spring Boot).
• Build and deploy microservices-based architectures hosted on AWS.
• Collaborate with DevOps and architecture teams to ensure scalable and secure cloud solutions.
• Write clean, efficient, and well-documented code.
• Optimize application performance and troubleshoot production issues.
• Participate in code reviews, technical discussions, and architecture planning.

Must-Have Skills:

• 4.5+ years of experience in Java development.
• Strong proficiency in Spring Boot and RESTful APIs.
• Proven hands-on experience with AWS services (EC2, S3, Lambda, RDS, etc.).
• Solid understanding of microservices architecture, CI/CD, and containerization tools.
• Experience with version control (Git), and deployment tools.

• 2 - 5 years of hands-on experience with Mongo DB as a Developer.
• Deploy and create MongoDB clusters with appropriate configuration once the machines are provisioned
• Be able to script, and have programming ability with MongoDB shell and/or other programming languages
• Configure and monitor replica sets and Sharded Clusters
• Ability and experience in working with applications that work with MongoDB such as Java, Node.js and/or others
• Experience with MongoDB security, managing roles and permissions
• Experience with MongoDB backups and restores, manually and using MongoDB and other tools
• Knowledge and experience in working with MongoDB Ops Manager and/or Cloud manager
• Knowledge and/or experience working with MongoDB Atlas
• Knowledge of at least one DevOps tool such as Puppet, Chef, Ansible or similar
• Experience with ORM tools such as spring data is preferred.

SQL DBA, IMPLEMENTATION, SQL, DBMS, DATA WAREHOUSING

• Apply fundamental software engineering design principles and write effective, scalable code.
• Develop back-end components to improve responsiveness and overall performance
• Strong understanding of multi-threading, synchronization & performance analysis of web applications
• Highly experienced with developing RESTful API’s
• Integrate user-facing elements into applications
• Develop unit tests, automation and debug code
• Improve & maintain the functionality of existing systems
• Implement security and data protection solutions
• Understand the big picture, coordinate with internal teams to understand user requirements and provide technical solutions

• Bachelor’s degree in Computer Science, Information Technology or relevant field.
• 5+ work experience as a Python Developer
• Expertise in Django or at least one other popular Python web framework
• (like Flask or Pyramid)
• Excellent Python 3 development & debugging skills
• Knowledge of object oriented analysis & design as well as object-relational mapping (ORM) techniques
• Strong understanding microservices architecture & design patterns
• Strong understanding of RESTful API design principles, including good
• documentation of API using Swagger/OpenAPI specifications
• Familiarity with GIT
• Familiarity with microservices development & deployment, including CI/CD pipelines
• (e.g. Jenkins) and containerization platforms (e.g, Docker)
• Familiarity with front-end technologies (like JavaScript and HTML5)
• Excellent team spirit & exceptional problem-solving skills

Senior Software Engineer, Java/Python (Bangalore, Remote option available)

4+ years of experience 

Zepto 

Why should you look at this role?

Salary 40-55 lakh per annum

Paid leave

Sick leave

Provident Fund

What Else?

• High growth startup in quick commerce space (10 min delivery)
• Given our very high hiring bar, we offer a very competitive salary and substantial equity to create everlasting wealth for our early believers as the company grows.
• Work on real world logistics problems & benefit from the rocket ship Zepto is!

Tech Team: 40-50 (200+ in few months)

About the Employer

Zepto is a fast-growing startup that delivers products in 10 minutes through an optimised network of dark stores that we're building across the country!

Just 6 months after launching, we've raised $160 million from marquee

investors in Silicon Valley and India. Our investors include Y Combinator, Nexus Venture Partners, and many more! We’ve built out one of the best startup teams in India, with Senior Executives from Uber, Flipkart, Dream11, PhonePe, Goldman Sachs, Pepperfry, and institutions like Stanford, INSEAD, IITs, and IIMs.

The magic of Zepto is our ability to consistently deliver 2,500+ products in 10 minutes flat. It's the core of what we do, and the reason why we’ve been able to grow so fast with phenomenal customer love. Our mission is simple: to make 10-minute delivery the new normal.

Funding:

Funding Zepto has raised a total of $160M in funding over 3 rounds.

Their latest funding was raised on Dec 20, 2021 from a Series C round.

Employer Reviews:

“High Ownership, Lots of Learning, Broad Roles, Accessible Leaders”

"Alot of benefits like ZeptoJoy coupon, internet bill reimbursement and cab reimbursement is also taken care of. Overtime is paid."

Reporting structure:

Software Engineer -> Sr Software Engineer -> Lead -> EM -> AD / Director / VP -> Head of Engineering -> CTO

This role would be by and large a Individual Contributor role.

Interview Process:

• Round 1. Problem Solving + CS Fundamentals (60 mins)
  • DS/Algo Problems (30 mins) - You can expect 1-2 Leetcode easy/medium questions
  • CS Fundamentals (30 mins)
• Round 2. Low Level Design (60 mins)
  • You would be given a trivial problem and expected to work through the low level design viz class structure, interfaces, db data models etc.
• Round 3. High Level Design (60 mins)
  • You will be given a trivial problem, where we would work with you to design the system for the problem statement. We expect the detailed flow of the Functionality
    • Extract APIs, if any
    • Database choices
    • Schema design and Scale the system, if time permits

What You will do Everyday?

• Work very closely with the Tech Leadership and lead end-to-end development.
• Closely collaborate with product, design and business teams to understand product ideas and business needs and help deliver these as a series of ultra fast experiments.
• Architect and implement backend services with high reliability and scalability.
• Contribute to system architecture and database design.
• Set up best practices for development and champion their adoption.
• Write quality documentation and handle conflicts well to build consensus.
• Learn about new technologies and incorporate them.
• Mentor young minds and foster team spirit

Your Superpowers

• 4+ years of experience with Java frameworks like Spring / Dropwizard/Play or Python frameworks like Django/Flask/FastApi and databases like PostgreSQL/MySQL/MongoDB
• Experience in building highly scalable customer-facing applications that involve implementing complex business flows and dealing with an ever-increasing scale
• Extensive experience in object-oriented design skills, knowledge of design patterns, and huge passion and ability to design intuitive module and class-level interfaces.
• Experience in service-oriented architecture design.
• Experience building at least one application from scratch.
• Experience with cache store/message broker like Redis / RabbitMQ/Kafka
• Interest in learning new languages/framework as needed.
• Worked in a startup environment with high levels of ownership and commitment.
• A growth mindset and passionate about building things from the ground up and most importantly, you should be fun to work with.

Job Description for NodeJS/Backend Developer (2 - 4 years experience ) :

Responsibilities:

1. Writing reusable, efficient code.
2. Implementation of security and data protection.
3. Development and design of high performant APIs and implementing server side logic.
4. User authentication, DB Schema design etc.

Skills and Qualifications:

1. Javascript
2. Typescript
3. Object oriented programming
4. Express and Mongo DB.
5. AWS and basic devOps

Other Tools:
1. Git and other development tools.