Accountant

• Strong experienced UX / Product Designer profile with a focus on Mobile Apps
• Mandatory (Experience 1): Must have 4+ YOE in UX / Product Design, with a strong experience in B2C Mobile Apps
• Mandatory (Experience 2): Must have Managed a team of 1–2 Designers (Lead or above in current role, Senior Designer designation can be considered if Team leading is explicitly mentioned in CV)
• Mandatory (Portfolio): Must have a strong UX-focused portfolio showcasing case studies, user research work, with strong designs for Mobile Apps (Mandatory)
• Mandatory(Education): Must have a formal Design degree (B.Des / M.Des or equivalent)
• Mandatory (Company): Good Product Company with high-traffic Mobile Apps

Job Title: Full-Stack MERN Developer (5–8 Years Experience)

Location: Borivali, Mumbai (Onsite)

Experience: 6–8 Years

Joining: Immediate Joiners

Employment Type: Full-time

Job Overview

We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.

You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack
• Build scalable and secure RESTful APIs and backend services using Node.js & Express
• Develop reusable and high-performance React components with proper state management
• Implement microservices-based architecture and inter-service communication
• Optimize application performance at both frontend and backend levels
• Work with MongoDB for data modeling, indexing, and performance tuning
• Handle large datasets efficiently and ensure system reliability
• Implement logging, tracing, and monitoring for production-ready applications
• Collaborate with product, frontend, backend, and DevOps teams
• Write clean, maintainable, and well-documented code

Technical Requirements

Backend

• Strong hands-on experience with Node.js & Express.js
• Expertise in building REST APIs and backend business logic
• Strong understanding of async programming (Callbacks, Promises, Async/Await)
• Experience with microservices architecture
• Hands-on experience with MongoDB (Expert level)
• Working knowledge of PostgreSQL / MySQL
• Experience with Kafka or other message queue systems
• Familiarity with Bull / job schedulers

Frontend

• Strong experience with React.js
• Hands-on experience with state management (Redux, Context API, or similar)
• Good understanding of HTML, CSS, AJAX
• Experience with performance optimization techniques in React

Infrastructure & Cloud

• Experience with Docker and Kubernetes (K8s)
• Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
• Understanding of CI/CD pipelines is a plus

Core Computer Science

• Good understanding of Data Structures & Algorithms
• Solid knowledge of Operating Systems fundamentals

Good to Have

• Experience with Redis for caching
• Exposure to Vue.js
• Experience working on consumer-facing web or app products
• Strong debugging and problem-solving skills
• Familiarity with application monitoring tools (logs, metrics, tracing)

What We’re Looking For

• Strong problem-solving mindset and ownership attitude
• Ability to learn new tools and technologies quickly
• Comfortable working in fast-paced, production-driven environments
• Immediate or short-notice joiners preferred

We are seeking a seasoned Engineering Lead with deep expertise in workflow orchestration systems, stateful execution engines, and distributed task runtimes. You will architect the next generation of our DAG-based runtime, develop the infrastructure for agentic workflow composition, and drive execution excellence across engineering. This role combines hands-on systems design with technical leadership and team mentorship.

Key Responsibilities

1. Architect & Build the Swarm Runtime

• Design and implement a DAG-based orchestration engine using Temporal, Argo Workflows, or equivalent event-driven runtimes.
• Build a scalable primitive registry for tasks, operators, guards, and computational nodes.
• Architect a robust scheduler capable of handling event triggers, retries, backoffs, and distributed coordination.

2. Develop the Workflow Composition Layer

• Define and build a YAML/JSON-based DSL for describing agentic workflows, dependencies, and execution semantics.
• Create a schema-driven rules engine ensuring validations, model calls, parallelism, conditional branching, and approval gates are seamlessly integrated.

3. Orchestration Logic & Runtime Intelligence

• Implement orchestration logic that coordinates:
• Validation layers
• Model calls (LLMs, embedding engines, external APIs)
• Human-in-the-loop approval gates
• Stateful transitions and checkpointing
• Ensure deterministic execution, traceability, and safe rollback mechanisms.

4. Workflow Certification & Automated Testing

• Define certification standards for every workflow type, including:
• Functional correctness
• Latency and concurrency thresholds
• Error-handling expectations
• Observability and trace coverage
• Build automated regression test suites validating workflow integrity before deployment.

5. Engineering Leadership & Delivery

• Lead, mentor, and grow a team of backend and systems engineers.
• Drive sprint planning, reviews, engineering discipline, and roadmap execution.
• Own runtime delivery deadlines, cross-team coordination, and release quality.

6. Observability, Reliability & Production Excellence

• Instrument the runtime with observability hooks: metrics, tracing, structured logs, and execution heatmaps.
• Build robust retry logic, distributed locks, idempotency guards, and failover strategies.
• Improve runtime stability, throughput, and scale characteristics.

Requirements

Must-Have

• 8+ years of backend engineering experience building high-scale systems.
• 3+ years leading teams focused on workflows, automation, orchestration, or distributed runtimes.
• Deep understanding of:
• Stateful orchestration engines (Temporal, Step Functions, Argo, Airflow)
• Message queues, pub/sub systems, and event-driven patterns
• Retry logic, compensating transactions, and idempotent operations
• Distributed tracing, observability pipelines, and health checks
• Strong background in concurrent programming, async task management, and execution models.
• Hands-on experience with at least one systems language or backend stack (Python, Go, Rust, Node).

Nice-to-Have

• Experience building workflow DSLs or schema-driven interpreters.
• Familiarity with LLM pipelines, agentic runtimes, or AI-driven workflow automation.
• Knowledge of Kubernetes-based runtime environments and workflow controllers.
• Experience with pluggable architecture design, sandboxing, or execution policies.

What This Role Offers

• Ownership of the core execution engine powering Perceive Now’s intelligent automation platform.
• A high-impact leadership position shaping architectural strategy and engineering culture.
• The opportunity to solve cutting-edge problems at the intersection of orchestration, distributed systems, and AI.

Website Performance Monitoring & Optimization:

• Monitor website load speed and ensure optimal user experience across devices.
• Identify performance gaps, suggest improvements, and track progress.
• Conduct website audits focusing on technical SEO, usability, and site speed.

Visual Analytics & User Behavior Analysis:

• Track visual analytics (heatmaps, session recordings) to identify issues.
• Report on user behavior patterns and suggest actionable improvements.
• Identify and report website issues such as broken links, slow-loading pages, or improper visual elements.

Collaboration & Reporting:

• Work with the marketing and development teams to align website goals with business objectives.
• Provide regular performance reports, highlighting issues, insights, and recommendations for improvements.

1. Collaborate with the team to develop design concepts and visual solutions.

2. Work with our draping software to create virtual draping experiences for our customers.

3. Assist in creating textile patterns and designs for our products.

4. Assist in video editing and video-making tasks to produce engaging promotional content for our brand

5. Apply your knowledge of digital marketing and Instagram marketing to strategize and execute effective social media campaigns that drive brand awareness and engagement.

6. Embrace design thinking principles to solve complex creative challenges and contribute innovative ideas to our design process.

7 Utilize Canva to develop aesthetically pleasing and visually appealing graphics for our online platforms and marketing materials.

• Building components for the company's advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
• Communicating effectively in a cross-functional product development team and present ideas and solutions effectively
• Participating in technical planning and requirements gathering phases including design, code, test, troubleshoot, and document engineering software applications
• Developing the Code as per the requirements
• Working with product team and constructing the tech roadmap
• Designing, building and scaling the company's backend microservices
• Maintaining code integrity and organization
• Applying all quality requirements to make the code production ready
• Developing and deploying new features to facilitate related procedures and tools if necessary
• Developing documentation related to technical aspects and to facilitate current support, development, upgrades, or migrations
• Designing and building efficient, reusable, and reliable Java code
• Pro actively catching and fixing bugs, and providing support for the back end services
• Managing servers and infrastructure by keeping the lights on and refining the deployment architecture

Key Result Areas: 

• Build world class Webapps for the Ola Electric ecosystem.
• Work on a full product development lifecycle from requirement gathering, product design, development, to roll out and maintenance
• Effectively collaborate with multiple teams and stakeholders including product and design
• Own the delivery of multiple features of the product end to end 
• Advocate best development practices such as continuous integration/continuous delivery, automation (testing and infrastructure) and code modularity, extensibility, quality
• Experience in building Websites from Scratch is a big plus

Key Skills Required: 

• Min 3+ Years in Web Application Development
• Write clean, solid and testable code while keeping the user experience fast and reliable
• Strong understanding of HTML, CSS, JS, JQuery, Reach, Redux 
• Proficient in Web Interface designing
• Experience in developing reusable UI components
• Deep functional knowledge or hands on design experience with Web Services 
• Strong grasp of security principles and how they apply to E-Commerce websites.

Kvantum is a career-changing opportunity where you will get to learn the latest and greatest marketing analytics for CPG, Retail, eCommerce, Pharma industry (to name few). At Kvantum, you will be part of a rapidly growing company. You will be able to make your mark; you’ll help write the story.  You will get the chance to go above and beyond, being a hero to your clients and to your team. You will get the chance to make a big impact, applying your coding skills, domain expertise to ready the most innovative marketing science product to Fortune 1000 customers.

What you’ll be doing in your new job:

 As a  Front End/UI Developer at Kvantum you will be working with incredibly talented, optimistic people in an environment that fosters innovation builds trust, and frequently erupts into laughter. You are a natural developer and enjoy helping team members in coding and development. You command respect from your superiors and also from peers. In this role, you’ll demonstrate a proven track record of developing enterprise-grade web frontends using technologies such as JavaScript, Ajax, XHTML and JSON. You'll join a team of exponential application developers who are working hard to develop our next generation SaaS marketing applications.

 Primary Responsibilities includes:

• Develop Proof-of-Concept and prototype applications using new technologies and frameworks. In addition to collaborating with internal teams and clients to create innovative solutions.
• Help establish GUI best practices and JavaScript frameworks for web development.
• Provide context and guidance for integration and implementation of Front-End Interfaces
• Translate wireframes, comps, and functional requirements into functional HTML/ CSS / Javascript.
• Develop standards-compliant mark-up and code for web sites and applications
• Develop JavaScript using standard Frameworks (jQuery, etc.)
• Develop small to medium size custom JavaScript libraries for reuse across the application
• Provide technology and implementation expertise to the domain, projects, or client
• Maintain leading-edge knowledge in emerging technologies and frameworks
• Participate in knowledge sharing and lessons learned sessions from project experiences

For this position, you must have:

• Expert JavaScript/HTML/CSS coding skills.
• 2-4 years of professional experience 
• Minimum 2 years of relevant experience in javascript 
• Minimum 1 year of relevant experience in React.js
• Hands-on experience with the implementation of different design patterns
• Proven experience of developing software using the Agile/SCRUM development methodology
• Command of web standards, CSS based design, cross-browser compatibility
• Experience to optimize the performance of the web application;
• Good understanding of page rendering, DOM manipulation, caching, REST API
• Experience of developing the application using  Test-driven Development(TDD)
• Experience of working on LINUX environment
• Attention to detail, Dedication, and Problem-Solving skills.

Nice to Have: 

• Working experience in any of  these technologies and frameworks: D3.js, Node.js, Express.js, Elasticsearch, GraphQL, Redis
• Experience working with start-ups.
• A good learning curve for new technologies.

We provide a competitive stipend and abundant opportunity for talented people to grow faster. Our people (as we call them Kvants) know how to celebrate success (monthly team events, quarterly company events, employee awards, etc.) and work smart to achieve desired goals.

Disclaimer:

Outside Recruiters: Kvantum prefers to recruit candidates directly. We do not accept unsolicited agency resumes. Please do not contact Kvantum employees with unsolicited resumes. Any resume sent by an outside agency without an explicit signed Kvantum generated agency agreement in place will be considered unsolicited and will not be eligible for payment.