MERN Stack Developer

About Us

HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 15 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million domain names.

About the Role

• We’re looking for a Lead Software Engineer with deep expertise in Node.js, MongoDB, and modern frontend frameworks, along with a bold vision for how AI-assisted development can accelerate engineering workflows.
• You’ll join our Snapshots Team, the engine behind how agencies and SaaS creators templatise and clone complete automation systems—workflows, funnels, forms, calendars, settings, and more—instantly across thousands of client accounts.
• Snapshots are now being cloned to over 200,000+ businesses every month, driving rapid onboarding and platform extensibility. The system saves businesses countless hours by replicating complex structures and business processes seamlessly across accounts, making automation scalable, repeatable, and fast.
• Under the hood, Snapshots tackles engineering challenges like asset graph traversal, dependency resolution, real-time syncing across multi-tenant environments, and copying gigabytes of data across accounts—all while managing CPU and memory intensive operations at scale.
• As a Lead Engineer, you’ll own architectural decisions and solve deep product-platform problems around high-performance snapshot cloning, rollback systems, and version management. You’ll collaborate across product, infra, and platform teams while mentoring engineers and driving the long-term roadmap for one of HighLevel’s most strategic surface areas. If you enjoy building technically rigorous systems that scale, this team is where your work will have immediate and visible impact.

Responsibilities

• Lead the design and development of scalable, high-performance systems to improve reliability, latency, and throughput across time-sensitive APIs and workflows
• Own features end-to-end — from architecture and implementation to testing, deployment, and ongoing optimization.
• Work hands-on with technologies like NestJS, Firestore, MongoDB, PostgreSQL, Redis, Queuing Systems and Service Mesh-based microservices.
• Drive technical direction across both product features and platform layers to ensure stability, scalability, and maintainability.Integrate and optimize AI-assisted development tools, improving developer productivity while ensuring accuracy and minimizing hallucinations.
• Collaborate closely with Product, Design, and AI teams to deliver impactful, user-facing features and backend systems.Mentor and support other engineers, fostering a culture of technical excellence, learning, and ownership.Proactively identify and solve performance bottlenecks, scalability challenges, and security concerns in a multi-tenant environment.

Requirements

• 6+ years of backend engineering experience, including designing fault-tolerant systems and working on high-scale platforms.Deep expertise in distributed systems, event-driven architectures, and asynchronous job processing
• Strong experience with relational and NoSQL data models (especially with complex temporal data)
• Experience with modern front-end frameworks (e.g., React, Vue, Angular) and building full-stack web applications.Proven track record of architecting complex systems and delivering scalable, high-performance web apps in production.
• Strong understanding of software design patterns, API design, and microservices architecture in a multi-tenant environment.
• Skilled in guiding technical architecture, making high-impact engineering decisions, and mentoring fellow engineers.Experience with code quality practices, automated testing, CI/CD pipelines, and dev tooling optimization.Excellent problem-solving skills, with clear and collaborative communication across cross-functional teams.

Our People

With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home.

Our Impact

As of mid 2025, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen.

About the Role :

We are seeking a highly skilled Lead Software Developer with a strong background in SaaS product development and expertise in designing scalable, secure, and resilient systems. You will lead the technical architecture of our cloud-native platforms, manage cross-functional

engineering efforts, and implement best practices across backend, frontend, and infrastructure layers.

This is a leadership role based on-site in Jaipur and ideal for someone who enjoys solving complex system challenges and building high-impact software.

Key Responsibilities:

● Lead the design and implementation of scalable SaaS application architecture

● Architect and develop solutions using Laravel, NestJS, Node.js, and AWS

● Build and manage microservices and serverless infrastructure for high availability and maintainability

● Implement and manage asynchronous and parallel request handling for optimized system performance

● Design and scale load handling and queue management systems using BullMQ and Redis

● Develop and integrate real-time data workflows using webhooks and external APIs

● Configure and manage Node.js clusters for performance and fault tolerance

● Collaborate with frontend developers working on React and Vue.js to deliver seamless UI/backend integration

● Ensure code quality, observability, and maintainability across services

● Monitor, debug, and resolve issues in production using logs and performance tracking tools

● Drive CI/CD implementation, infrastructure automation, and DevOps practices

Required Skills & Qualifications:

● 5 - 7 years of experience in full-stack or backend software development

● Proven experience as a Lead Developer on SaaS products

● Proficient in Laravel, NestJS, and Node.js

● Deep understanding of BullMQ, Redis, and message/queue-based architectures

● Experience with asynchronous processing, parallel request handling, and load distribution

● Proficient in microservices and serverless architecture patterns

● Strong command of AWS (EC2, Lambda, RDS, S3, API Gateway, IAM, CloudWatch)

● Hands-on experience with webhooks, job queues, background tasks, and rate-limiting strategies

● Familiarity with Node.js cluster mode and scaling strategies

● Solid experience in debugging, tracing, and performance monitoring

● Frontend integration experience with React or Vue.js (please specify your exposure)

● Strong leadership, collaboration, and mentoring abilities

Preferred Skills (Nice to Have):

● Experience with Docker, Kubernetes, and CI/CD pipelines

● Exposure to event-driven architecture and multi-tenant SaaS platforms

● Familiarity with observability tools such as Grafana, Datadog, or New Relic

Introduction:

We are seeking a Full Stack Software Developer to join our innovative team, focusing on a project in the Food & Beverage (F&B) sector and contributing to an established Financial Services product. The ideal candidate will have extensive experience in both backend and frontend development, particularly with Python and ReactJS, and a proven ability to deliver mobile-responsive web applications.

Key Responsibilities:

• Develop and maintain web applications using Django or similar MVC frameworks.
• Design and implement mobile-responsive web pages using frontend technologies such as ReactJS.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure the performance, quality, and responsiveness of applications.

Required Skills and Qualifications:

• Minimum of 3 years of experience in full stack development.
• Proficient in Python and experience with Django or other MVC frameworks.
• Strong experience in building mobile-responsive web pages using frontend technologies such as ReactJS.
• Familiarity with RESTful APIs and server-side integrations.
• Understanding of the entire web development process (design, development, and deployment).
• Excellent problem-solving skills and ability to work under tight deadlines.

What We Offer:

• Competitive salary and benefits package.
• Opportunities for professional growth and development.
• A collaborative and innovative work environment.

About Merchandise Operation (Merch Ops): Merchandise Operations (Merch Ops) is a merchandise management system, it is positioned as a host system in the retail solutions, it has ability to maintain the Master/Foundation data, create and manage Purchase Orders, create, and manage Prices & Promotions, perform Replenishment, effective inventory control and financial management. Merc Ops provides Business users with consistent, accurate, and timely data across an enterprise by allowing them to get the:

Right Goods in the...

• Right Silhouettes, Sizes and Colors; at the...

• Right Price; at the...

• Right Location; for the...

• Right Consumer; at the...

• Right Time; at the...

• Right Quantity.

About Team:

• Proven, passionate bunch of disruptors providing solutions that solve real-time supply chain problems.

• Well mixed experienced team with young members and experienced in product, domain, and Industry knowledge.

• Gained Expertise in designing and deploying massively scalable cloud native SaaS products

• The team currently comprises of associates across the globe and is expected to grow rapidly.

Our current technical environment:

• Software: React JS, Node JS, Oracle PL/SQL, GIT, Rest API. Java script.

• Application Architecture: Scalable three tier web application.

• Cloud Architecture: Private cloud, MS Azure (ARM templates, AKS, HD insight, Application gateway, Virtue Networks, Event Hub, Azure AD) • Frameworks/Others: Tomcat Apache, RDBMS, Jenkins, Nginx, Oracle Type ORM, Express.

What you'll be doing:

• As a Staff Engineer you will be responsible for the design of the features in the product roadmap

• Creating and encouraging good software development practices engineering-wide, driving strategic technical improvements, and mentoring other engineers.

• You will write code as we expect our technical leadership to be in the trenches alongside junior engineers, understanding root causes and leading by example

• You will mentor engineers

• You will own relationships with other engineering teams and collaborate with other functions within Blue Yonder

• Drive architecture and designs to become simpler, more robust, and more efficient.

• Lead designs discussion and come up with robust and more efficient designs to achieve features in product roadmap

• Take complete responsibility of the features developed right from coding till deployments

• Introduce new technology and tools for the betterment of the product

• Guides fellow engineers to look beyond the surface and fix the root causes rather than symptoms.

What we are looking for:

• Bachelor’s degree (B.E/B.Tech/M.Tech Computer science or related specialization) and minimum 7 to 10 years of experience in Software development, has been an Architect, within the last 1-2 years minimum. • Strong programming experience and background in Node JS and React JS.

• Hands-on development skills along with architecture/design experience.

• Hands-on experience on designing, building deploying and maintenance of enterprise cloud solutions.

• Demonstrable experience, thorough knowledge, and interests in Cloud native architecture, Distributed micro-services, Multi-tenant SaaS solution and Cloud Scalability, performance, and High availability

• Experience with API management platforms & providing / consuming RESTful APIs

• Experience with varied tools such as REST, Hibernate, RDBMS, Docker, Kubernetes, Kafka, React.

• Hands-on development experience on Oracle PL/SQL.

• Experience with DevOps and infrastructure automation.

About Kloud9:

Kloud9 exists with the sole purpose of providing cloud expertise to the retail industry. Our team of cloud architects, engineers and developers help retailers launch a successful cloud initiative so you can quickly realise the benefits of cloud technology. Our standardised, proven cloud adoption methodologies reduce the cloud adoption time and effort so you can directly benefit from lower migration costs.

Kloud9 was founded with the vision of bridging the gap between E-commerce and cloud. The E-commerce of any industry is limiting and poses a huge challenge in terms of the finances spent on physical data structures.

At Kloud9, we know migrating to the cloud is the single most significant technology shift your company faces today. We are your trusted advisors in transformation and are determined to build a deep partnership along the way. Our cloud and retail experts will ease your transition to the cloud.

Our sole focus is to provide cloud expertise to retail industry giving our clients the empowerment that will take their business to the next level. Our team of proficient architects, engineers and developers have been designing, building and implementing solutions for retailers for an average of more than 20 years.

We are a cloud vendor that is both platform and technology independent. Our vendor independence not just provides us with a unique perspective into the cloud market but also ensures that we deliver the cloud solutions available that best meet our clients' requirements.

What we are looking for:

● Overall 8+ Years of Experience in Web Application development.

● 3+ Years of Designing Middleware using NodeJS platform.

● 5+ Years of Experience in developing middleware using NodeJS

platform.

● 2+ Years of Experience in using NodeJS along with AWS Server-less

platform.

● Good Experience with Javascript / TypeScript, Event Loops,

ExpressJS, GraphQL, SQL DB (MySQLDB), NoSQL DB(MongoDB)

and YAML templates.

● Experience in developing Java, Angular, Java Full stack

● Good Experience with TDD Driven Development and Automated Unit

Testing.

● Good Experience with exposing and consuming Rest APIs and SOAP

APIs on NodeJS platform and Swagger API contracts.

● Good Experience in building NodeJS middleware performing

Transformations, Routing, Aggregation, Orchestration and

Authentication(JWT/OAUTH).

● Experience supporting and working with cross-functional teams in a

dynamic environment.

● Experience working in Agile Scrum Methodology.

● Very good Problem Solving Skills.

● Very good learner and passion towards technology.

● Excellent verbal and written communication skills in English

● Ability to communicate effectively with team members and business

stakeholders

Secondary Skill Requirements:

● Experience working with any of Loopback, NestJS, Hapi.JS, Sails.JS, Passport.JS

Why Explore a Career at Kloud9:

With job opportunities in prime locations of US, London, Poland and Bengaluru, we help build your career paths in cutting edge technologies of AI, Machine Learning and Data Science. Be part of an inclusive and diverse workforce that's changing the face of retail technology with their creativity and innovative solutions. Our vested interest in our employees translates to deliver the best products and solutions to our customers.