MEAN Stack Developer - Node.js/Express.js/MongoDB

Job Details

- Job Title: Senior Backend Engineer

- Industry: SAAS

- Function – Information Technology

- Experience Required: 5-8 years

- Working Days: 6 days a week, (5 days-in-office, Saturdays WFH)

- Employment Type: Full Time

- Job Location: Bangalore

- CTC Range: Best in Industry

Preferred Skills: AWS, NodeJS, RESTful APIs, NoSQL

Criteria

· Minimum 5+ years in backend engineering with strong system design expertise

· Experience building scalable systems from scratch

· Expert-level proficiency in Node.js

· Deep understanding of distributed systems

· Strong NoSQL design skills

· Hands-on AWS cloud experience

· Proven leadership and mentoring capability

· Preferred candidates from SAAS/Software/IT Services based startups or scaleup companies

Job Description

The Role:

What You’ll Build:

1. System Architecture & Design

● Architect highly scalable backend systems from the ground up

● Define technology choices: frameworks, databases, queues, caching layers

● Evaluate microservices vs monoliths based on product stage

● Design REST, GraphQL, and real-time WebSocket APIs

● Build event-driven systems for asynchronous processing

● Architect multi-tenant systems with strict data isolation

● Maintain architectural documentation and technical specs

2. Core Backend Services

● Build high-performance APIs for 3D content, XR experiences, analytics, and user interactions

● Create 3D asset processing pipelines for uploads, conversions, and optimization

● Develop distributed job workers for CPU/GPU-intensive tasks

● Build authentication/authorization systems (RBAC)

● Implement billing, subscription, and usage metering

● Build secure webhook systems and third-party integration APIs

● Create real-time collaboration features via WebSockets/SSE

3. Data Architecture & Databases

● Design scalable schemas for 3D metadata, XR sessions, and analytics

● Model complex product catalogs with variants and hierarchies

● Implement Redis-based caching strategies

● Build search and indexing systems (Elasticsearch/Algolia)

● Architect ETL pipelines and data warehouses

● Implement sharding, partitioning, and replication strategies

● Design backup, restore, and disaster recovery workflows

4. Scalability & Performance

● Build systems designed for 10x–100x traffic growth

● Implement load balancing, autoscaling, and distributed processing

● Optimize API response times and database performance

● Implement global CDN delivery for heavy 3D assets

● Build rate limiting, throttling, and backpressure mechanisms

● Optimize storage and retrieval of large 3D files

● Profile and improve CPU, memory, and network performance

5. Infrastructure & DevOps

● Architect AWS infrastructure (EC2, S3, Lambda, RDS, ElastiCache)

● Build CI/CD pipelines for automated deployments and rollbacks

● Use IaC tools (Terraform/CloudFormation) for infra provisioning

● Set up monitoring, logging, and alerting systems

● Use Docker + Kubernetes for container orchestration

● Implement security best practices for data, networks, and secrets

● Define disaster recovery and business continuity plans

6. Integration & APIs

● Build integrations with Shopify, WooCommerce, Magento

● Design webhook systems for real-time events

● Build SDKs, client libraries, and developer tools

● Integrate payment gateways (Stripe, Razorpay)

● Implement SSO and OAuth for enterprise customers

● Define API versioning and lifecycle/deprecation strategies

7. Data Processing & Analytics

● Build analytics pipelines for engagement, conversions, and XR performance

● Process high-volume event streams at scale

● Build data warehouses for BI and reporting

● Develop real-time dashboards and insights systems

● Implement analytics export pipelines and platform integrations

● Enable A/B testing and experimentation frameworks

● Build personalization and recommendation systems

Technical Stack:

1. Backend Languages & Frameworks 

●  Primary: Node.js (Express, NestJS), Python (FastAPI, Django)

●  Secondary: Go, Java/Kotlin (Spring)

●  APIs: REST, GraphQL, gRPC

2. Databases & Storage

● SQL: PostgreSQL, MySQL

● NoSQL: MongoDB, DynamoDB

● Caching: Redis, Memcached

● Search: Elasticsearch, Algolia

● Storage/CDN: AWS S3, CloudFront

● Queues: Kafka, RabbitMQ, AWS SQS

3. Cloud & Infrastructure: 

● Cloud: AWS (primary), GCP/Azure (nice to have)

● Compute: EC2, Lambda, ECS, EKS

● Infrastructure: Terraform, CloudFormation

● CI/CD: GitHub Actions, Jenkins, CircleCI

● Containers: Docker, Kubernetes

4. Monitoring & Operations 

● Monitoring: Datadog, New Relic, CloudWatch

● Logging: ELK Stack, CloudWatch Logs

● Error Tracking: Sentry, Rollbar

● APM tools

5. Security & Auth

● Auth: JWT, OAuth 2.0, SAML

● Secrets: AWS Secrets Manager, Vault

● Security: Encryption (at rest/in transit), TLS/SSL, IAM

What We’re Looking For:

1. Must-Haves

● 5+ years in backend engineering with strong system design expertise

● Experience building scalable systems from scratch

● Expert-level proficiency in at least one backend stack (Node, Python, Go, Java)

● Deep understanding of distributed systems and microservices

● Strong SQL/NoSQL design skills with performance optimization

● Hands-on AWS cloud experience

● Ability to write high-quality production code daily

● Experience building and scaling RESTful APIs

● Strong understanding of caching, sharding, horizontal scaling

● Solid security and best-practice implementation experience

● Proven leadership and mentoring capability

2. Highly Desirable

● Experience with large file processing (3D, video, images)

● Background in SaaS, multi-tenancy, or e-commerce

● Experience with real-time systems (WebSockets, streams)

● Knowledge of ML/AI infrastructure

● Experience with HA systems, DR planning

● Familiarity with GraphQL, gRPC, event-driven systems

● DevOps/infrastructure engineering background

● Experience with XR/AR/VR backend systems

● Open-source contributions or technical writing

● Prior senior technical leadership experience

Technical Challenges You’ll Solve:

● Designing large-scale 3D asset processing pipelines

● Serving XR content globally with ultra-low latency

● Scaling from thousands to millions of daily requests

● Efficiently handling CPU/GPU-heavy workloads

● Architecting multi-tenancy with complete data isolation

● Managing billions of analytics events at scale

● Building future-proof APIs with backward compatibility

Why company:

● Architectural Ownership: Build foundational systems from scratch

● Deep Technical Work: Solve distributed systems and scaling challenges

● Hands-On Impact: Design and code mission-critical infrastructure

● Diverse Problems: APIs, infra, data, ML, XR, asset processing

● Massive Scale Opportunity: Build systems for exponential growth

● Modern Stack and best practices

● Product Impact: Your architecture directly powers millions of users

● Leadership Opportunity: Shape engineering culture and direction

● Learning Environment: Stay at the forefront of backend engineering

● Backed by AWS, Microsoft, Google

Location & Work Culture:

● Location: Bengaluru

● Schedule: 6 days a week, (5 days-in-office, Saturdays WFH)

● Culture: Builder mindset, strong ownership, technical excellence

● Team: Small, highly skilled backend and infra team

● Resources: AWS credits, latest tooling, learning budget

Job description

Full Stack Developer (Backend Focus)

Company: Suntek.ai

About Suntek.ai:

Suntek.ai is a premier digital solutions provider specializing in cutting-edge e-commerce development. With hands-on experience managing and scaling multiple renowned brands on Shopify, we empower small and medium businesses with enterprise-grade digital capabilities. Our

focus is on seamless omnichannel experiences, advanced automation, and high-performance architecture to maximize growth and ROI

Experience: 2-4 years

Location: Remote

About the Role:

We're looking for a full-stack engineer with a strong backend focus to join our team. You'll work on building and maintaining scalable server-side applications while occasionally contributing to frontend development.

What You'll Do

• Design, develop, and maintain backend services and APIs
• Work with databases to ensure data integrity and optimize performance
• Collaborate with cross-functional teams to deliver features end-to-end
• Write clean, testable, and well-documented code
• Participate in code reviews and contribute to technical decisions

Required Skills

• Node.js: Solid experience building server-side applications
• TypeScript Strong typing practices and modern JavaScript/TypeScript patterns
• PostgreSQL Database design, querying, and performance optimization
• NestJS Experience with this framework (or similar structured Node frameworks)
• GraphQL Familiarity with building or consuming GraphQL APIs
• Networking fundamentals: understanding of TCP/IP, UDP, and how web protocols work

Nice to Have

• Docker Containerization and local development environments
• Terraform Infrastructure as code experience
• Cloud platforms: Hands-on experience with AWS, GCP, or Azure

What We Offer:

• 100% remote position with flexible work hours.
• A supportive, high-agency team environment that encourages creativity and initiative.
• Ongoing opportunities for skill development and growth.
• Competitive salary and benefits package.

Technical Product Manager (TPM)

Location: Ahmedabad, Gujarat

Experience: 4–8 years

Team: Engineering / Product

About the Role

We’re looking for a Technical Product Manager to run execution across product, engineering, and customer-facing teams. You will own delivery, keep teams aligned, and ensure the right things ship at the right time — balancing product roadmap, customer issues, sales priorities, and platform reliability in a fast-moving startup environment.

What You’ll Do

• Own end-to-end delivery of engineering and product initiatives
• Build and maintain sprint plans, delivery timelines, and roadmaps
• Prioritize work across features, bugs, customer requests, sales needs, and infrastructure
• Work closely with engineers to translate requirements into clear execution plans
• Run Agile ceremonies (planning, stand-ups, reviews, retros)
• Track delivery, risks, and team capacity
• Communicate progress, blockers, and timelines to leadership and stakeholders
• Use data from tools like Mixpanel and monitoring systems to track delivery health

What We’re Looking For

• 4–8 years of experience with:
• 2+ years in technical project/program management
• 2+ years in software or engineering roles
• Strong understanding of Agile, SDLC, and modern product delivery
• Experience working with SaaS or product engineering teams
• Comfortable working in fast-paced, ambiguous startup environments
• Strong communication, ownership, and prioritization skills

Why This Role Matters

You’ll sit at the center of product, engineering, sales, and support — ensuring the company ships fast without breaking things, and that the right priorities always win.

You will be responsible for both back-end and front-end development, including creating WordPress themes and plugins.

WordPress Developer duties and responsibilities :-

- Designing and implementing new features and functionality

- Establishing and guiding the website's architecture

- Ensuring high-performance and availability, and managing all technical aspects of the CMS

- Helping formulate an effective, responsive design and turning it into a working theme and plugin.

- Generating WordPress themes and plugins.

- Conducting website performance tests.

- Troubleshooting content issues.

- Conducting WordPress training with the client.

- Monitoring the performance of the live website

- WordPress Developer requirements and qualifications :-

- Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery

- Experience building user interfaces for websites and/or web applications

- Experience designing and developing responsive design websites

- Comfortable working with debugging tools like Firebug, Chrome inspector, etc.

- Ability to understand CSS changes and their ramifications to ensure consistent style across platforms and browsers

- Ability to convert comprehensive layout and wireframes into working HTML pages

- Knowledge of how to interact with RESTful APIs and formats (JSON, XML)

- Proficient understanding of code versioning tools such as Git, SVN, and Mercurial

- Strong understanding of PHP back-end development

Requirements:

• At least 4+ years of experience as a Node.js developer.
• Must have knowledge of at least one card game with rules.
• Must have experience in multiplayer games with Socket.io
• Must have good communication skills in English.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Knowledge of Game development life cycle.
• Must be willing to do hands-on coding where required and perform regular code reviews etc.
• Knowledge of JavaScript, TypeScript, NPMs, ExpressJS, MongoDB, Socket.io and Redis.
• Familiarity with AWS infrastructure.
• Basic knowledge of front-end technologies.
• Strong understanding of git.

Node.js Developer 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.

Node.js Developer Requirements:

• Bachelor's degree in computer science, information science, or similar.
• At least 4 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.

We have an urgent opening for a SHOPIFY APP DEVELOPER with 2 to 3 years of Experience, for Day Shift working. Having hands-on experience with customizing Shopify templates and fully functional Shopify websites.

Responsibilities and Duties

Job Description:
- Understanding of various design patterns and custom Shopify app.
- Strong knowledge of liquid programming language.
- Generate custom–tailored Shopify theme and altering pre-existing template.
- Act as Shopify expert, specializing in all facets of the eCommerce platform.
- Strong hands to Install & Customize new Shopify app.
- Shopify App Development would be an advantage.
Organizational Skills :
- Must be very organized, punctual, and detail-oriented
- Fast learner & interested in new technologies
- The ability to remain cool under pressure.
Key Skills:
SHOPIFY/HTML5, CSS3, JavaScript/jQuery/AJAX.