Senior Backend Engineer

Job Title : Node.js Developer / Backend Developer

Experience : 4+ Years

Job Location : Mumbai – Andheri

Work Mode : Work From Office (5 Days a Week)

Job Type : Full-time Opportunity

Role Overview :

We are seeking an experienced Node.js / Backend Developer to design, develop, and maintain scalable backend systems.

The ideal candidate will have strong hands-on experience with Node.js, Nest.js, relational and NoSQL databases, and AWS cloud services.

You will work closely with frontend developers, DevOps, and product teams to deliver secure, high-performance, and reliable backend solutions.

Mandatory Skills : Node.js, Nest.js, MongoDB, PostgreSQL, AWS, REST API development, strong backend fundamentals.

Key Responsibilities :

• Design, develop, and maintain scalable backend applications using Node.js & Nest.js

• Build and manage RESTful APIs and backend services

• Work with MongoDB and PostgreSQL for efficient data storage and retrieval

• Develop cloud-ready applications and deploy them on AWS

• Ensure application performance, security, and scalability

• Write clean, well-documented, and maintainable code

• Participate in code reviews and follow best engineering practices

• Troubleshoot, debug, and optimize existing applications

• Collaborate with cross-functional teams for end-to-end delivery

Required Skills & Qualifications :

• 4+ years of experience in Backend / Node.js development

• Strong hands-on experience with Node.js and Nest.js

• Experience working with MongoDB and PostgreSQL

• Good understanding of AWS services (EC2, S3, RDS, etc.)

• Experience building RESTful APIs

• Understanding of backend architecture, design patterns, and best practices

• Strong problem-solving and debugging skills

• Familiarity with version control systems (Git)

Good-to-Have Skills :

• Experience with microservices architecture

• Knowledge of Docker and CI/CD pipelines

• Exposure to message queues or event-driven systems

• Basic understanding of frontend-backend integration

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.

About Impact Analytics

Impact Analytics is an agentic-first AI software company transforming retail merchandising through cutting-edge AI, LLMs, and Generative AI technologies. As a fast-growing Series D company with deployments across five continents, it is building both industry-leading merchandising solutions and foundational AI agents that are redefining how retail decisions are made. What makes Impact Analytics unique is its combination of deep retail domain expertise, strong innovation culture, and global presence. It is one of the few India-born AI companies recognized globally by organizations like Fortune, Gartner, and the Inc. 5000.For candidates looking to work on next-generation AI products with global scale and real-world impact, Impact Analytics is an exciting place to build your career. Here’s a link to our website: www.impactanalytics.co.

The impact that you will be making

We are seeking a Senior Software Engineer – Backend to design and build scalable backend systems that power Android-first mobile applications. The ideal candidate will have strong backend engineering expertise, experience supporting mobile applications, and a passion for building high-performance, reliable distributed systems that operate efficiently under constrained network conditions.

You will work closely with Android developers and cross-functional teams to build APIs and backend services that enable seamless mobile experiences, including offline synchronization, scalability, and high availability

What lands you in this role

Key Responsibilities

• Design, develop, and maintain scalable backend services and RESTful APIs for Android/mobile applications.
• Build backend systems optimized for Android-first applications with a focus on performance, reliability, and scalability.
• Develop APIs that perform efficiently in low-bandwidth and intermittent network environments.
• Design and implement backend workflows that support offline synchronization, conflict resolution, and data consistency.
• Develop secure, resilient, and highly available microservices.
• Optimize application performance through efficient database design, caching strategies, and API optimization.
• Collaborate closely with Android engineers, Product Managers, QA, and DevOps teams throughout the software development lifecycle.
• Participate in architecture discussions, code reviews, and technical design decisions.
• Leverage AI-assisted development tools to improve engineering productivity and code quality.

Required Skills

• 4–7 years of professional experience in backend software development.
• Strong proficiency in Kotlin for backend development.
• Experience building backend systems supporting Android/mobile applications.
• Strong understanding of RESTful APIs, microservices, and distributed systems.
• Hands-on experience with Gradle (Kotlin DSL/KTS) for build automation and dependency management.
• Familiarity with Android Studio for debugging, API integration, and collaboration with Android teams.
• Experience with modern backend frameworks and scalable application architecture.
• Knowledge of relational and/or NoSQL databases such as PostgreSQL, MySQL, MongoDB, or similar.
• Experience with caching technologies (Redis) and messaging/event streaming platforms (Kafka or RabbitMQ).
• Hands-on experience with Google Cloud Platform (GCP) or equivalent cloud platforms.
• Proficiency with GitHub and modern Git-based development workflows.
• Experience using Visual Studio Code (VS Code).
• Familiarity with AI-powered developer tools such as Cursor, Windsurf, or similar Agentic IDEs.
• Strong understanding of CI/CD pipelines, containerization, and cloud-native application development.
• Excellent debugging, analytical, and problem-solving skills.

What we offer

• An opportunity to be part of some of the best enterprise SaaS products to be built out of India.
• Opportunities to quench your thirst for problem-solving, experimenting, learning, and implementing innovative solutions.
• A flat, collegial work environment, with a work hard, play hard attitude.
• A platform for rapid growth if you are willing to try new things without fear of failure.
• Remuneration with best-in-class industry standards with generous health insurance cover

Some of our accolades include:

• Ranked as one of America's Fastest-Growing Companies by Financial Times for five consecutive years: 2020-2024.
• Ranked as one of America's Fastest-Growing Private Companies by Inc. 5000 for seven consecutive years: 2018-2024.
• Voted #1 by more than 300 retailers worldwide in the RIS Software LeaderBoard 2024 report.
• Ranked #72 in America’s Most Innovative Companies list in 2023—by Fortune—alongside companies like Microsoft, Tesla, Apple, IBM, etc.
• Forged a strategic partnership with Google to equip retailers with cutting-edge generative AI tools.
• Recognized in multiple Gartner reports, including Market Guides and Hype Cycle, spanning assortments, merchandising, forecasting, algorithmic retailing, and Unified Price, Promotion, and Markdown Optimization Applications.

We’re hiring a remote, contract-based Backend & Infrastructure Engineer who can build and run production systems end-to-end.

You will build and scale high-throughput backend services in Golang and Python, operate ClickHouse-powered analytics at scale, manage Linux servers for maximum uptime, scalability, and reliability, and drive cost efficiency as a core engineering discipline across the entire stack.

What You Will Do:

Backend Development (Golang & Python)

• Design and maintain high-throughput RESTful/gRPC APIs — primarily Golang, Python for tooling and supporting services
• Architect for horizontal scalability, fault tolerance, and low-latency at scale
• Implement caching (Redis/Memcached), rate limiting, efficient serialization, and CI/CD pipelines

Scalable Architecture & System Design

• Design and evolve distributed, resilient backend architecture that scales without proportional cost increase
• Make deliberate trade-offs (CAP, cost vs. performance) and design multi-region HA with automated failover

ClickHouse & Analytical Data Infrastructure

• Deploy, tune, and operate ClickHouse clusters for real-time analytics and high-cardinality OLAP workloads
• Design optimal table engines, partition strategies, materialized views, and query patterns
• Manage cluster scaling, replication, schema migrations, and upstream/downstream integrations

Cost Efficiency & Cost Optimization

• Own cost optimization end-to-end: right-sizing, reserved/spot capacity, storage tiering, query optimization, compression, batching
• Build cost dashboards, budgets, and alerts; drive a culture of cost-aware engineering

Linux Server Management & Infrastructure

• Administer and harden Linux servers (Ubuntu, Debian, CentOS/RHEL) — patching, security, SSH, firewalls
• Manage VPS/bare-metal provisioning, capacity planning, and containerized workloads (Docker, Kubernetes/Nomad)
• Implement Infrastructure-as-Code (Terraform/Pulumi); optionally manage AWS/GCP as needed

Data, Storage & Scheduling

• Optimize SQL schemas and queries (PostgreSQL, MySQL); manage data archival, cold storage, and lifecycle policies
• Build and maintain cron jobs, scheduled tasks, and batch processing systems

Uptime, Reliability & Observability

• Own system uptime: zero-downtime deployments, health checks, self-healing infra, SLOs/SLIs
• Build observability stacks (Prometheus, Grafana, Datadog, OpenTelemetry); structured logging, distributed tracing, alerting
• Drive incident response, root cause analysis, and post-mortems

Required Qualifications:

Must-Have (Critical)

• Deep proficiency in Golang (primary) and Python
• Proven ability to design and build scalable, distributed architectures
• Production experience deploying and operating ClickHouse at scale
• Track record of driving measurable cost efficiency and cost optimization
• 5+ years in backend engineering and infrastructure roles

Also Required

• Strong Linux server administration (Ubuntu, Debian, CentOS/RHEL) — comfortable living in the terminal
• Proven uptime and reliability track record across production infrastructure
• Strong SQL (PostgreSQL, MySQL); experience with high-throughput APIs (10K+ RPS)
• VPS/bare-metal provisioning, Docker, Kubernetes/Nomad, IaC (Terraform/Pulumi)
• Observability tooling (Prometheus, Grafana, Datadog, OpenTelemetry)
• Cron jobs, batch processing, data archival, cold storage management
• Networking fundamentals (DNS, TCP/IP, load balancing, TLS)

Nice to Have

• AWS, GCP, or other major cloud provider experience
• Message queues / event streaming (Kafka, RabbitMQ, SQS/SNS)
• Data pipelines (Airflow, dbt); FinOps practices
• Open-source contributions; compliance background (SOC 2, HIPAA, GDPR)

What We Offer

• Remote, contractual role
• Flexible time zones (overlap for standups + incident coverage)
• Competitive contract compensation + equity
• Long-term engagement opportunity based on performance

JOB DESCRIPTION:

Location: Pune, Mumbai, Bangalore

Mode of Work : 3 days from Office

* Python : Strong expertise in data workflows and automation

* Pandas: For detailed data analysis and validation

* SQL: Querying and performing operations on Delta tables

* AWS Cloud: Compute and storage services

* OOPS concepts

Job Responsibilities:

• Design, test, and build scalable backend python services
• Closely collaborate with marketing and product teams to build innovative, robust and easy-to-use features that serve.
• Developing high quality code based on detailed designs that cater to the product requirements.
• Responsible for troubleshooting, testing and maintaining the core product software and databases to ensure strong optimisation and functionality

Required Skills:

• Degree in Computer Science, Software Engineering or equivalent.
• Minimum 3+ years experience in software development.
• Expertise in Python 3.7, Django 2.2+ and REST APIs.
• Willingness to learn and ability to flourish in a dynamic, high-growth, entrepreneurial environment
• Hands-on, self-starter, capable of working independently
• True love for technology and what you do
• Maniacal attention to detail

Mandatory Skills - 4 years in Nodejs, JavaScript, Express.js, MongoDB, Data Structures, Algorithms

"Expertise in Node.js Web frameworks like Meteor, Express, and Kraken.JS

Expertise in building highly scalable web services using Node.js, Create REST API with the help of Node middleware

Deep understanding of REST and API design

Experience designing APIs for consistency, simplicity, and extensibility.

Expertise with JavaScript testing frameworks like Jasmine, Quit, Mocha, Sinnon and Chai.

Expertise with building tools like Web pack, gulp, and grunt.

Integration of various application components

Experience in various phases of the Software Development Life Cycle (SDLC) such as requirements

analysis, design, and implementation in an agile environment, etc.

Responsibilities

Write effective, scalable code

Develop back-end components to improve responsiveness and overall performance

Integrate user-facing elements into applications

Test and debug programs

Improve functionality of existing systems

Implement security and data protection solutions

Assess and prioritize feature requests

Coordinate with internal teams to understand user requirements and provide technical solutions

Requirements

Work experience as a Python Developer

Expertise in at least one popular Python framework (experience in Flask preferred)

Knowledge of object-relational mapping (ORM)

Familiarity with front-end technologies (like JavaScript and HTML5)

Team spirit

Good problem-solving skills

BSc in Computer Science, Engineering or relevant field