Software Developer (Node Js)

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

Are you interested in creating outstanding, reliable and scalable software?

We at Lynkzo are creating a modern omni channel communication platform for companies to meet the changing requirements in the market.

We are looking for someone who:

• has hands-on experience with creating/working on scalable applications in Nodejs using various frameworks like Express, Hapi, Fastify, etc and can structure a fairly large codebase properly.
• has been working as a backend developer for 3+ years.
• has great experience working in both SQL and NoSQL databases.
• can extensively test the entirety of the application.
• can convert real-world business challenges into effective technical solutions.
• has experience working with an agile/scrum team.
• can work independently with limited supervision.

*Experience in AWS will be good to have.

• 4+ years of software development experience
• Essential skills: PHP, MySQL, HTML, CSS, JavaScript, AJAX
• Code Ignitor and Laravel development experience a big plus
• Advanced knowledge of SQL is important
• Should be able to analyze requirement and design robust system
• Good oral and written communication skills
• Ability to work in a team-oriented and collaborative environment
• BS/MS degree in Computer Science, Engineering or a related subject

Job Title: PHP Laravel Developer

Department: Research and Development

Experience: 1-3 years

Job Type: Full time/Permanent

Location: Mohali, phase 7, Industrial Area

Reports to: Technical Lead

Role Description

We are looking for a PHP Laravel Developer with Efficient, organized, and able to manage multiple projects at once. Assist team members & colleagues to solve technical issues. Developing and executing appropriate quality plans, project plans, test strategies, and processes for development activities.

You will be part of a talented software team that works on mission-critical applications, and your roles and responsibilities include managing application development while providing expertise in the full software development lifecycle.

Job Responsibilities

⦁ Knowledge of PHP web frameworks including Laravel

⦁ Knowledge of front-end technologies including CSS3, JavaScript, and HTML5.

⦁ Strong Knowledge of MySQL.

⦁ Understanding of object-oriented PHP programming.

⦁ Working knowledge of ReactJS/NodeJS (preferred)

⦁ Excellent knowledge of Vue.js

⦁ Proficient in creating REST APIs.

⦁ Ability to project manage.

⦁ Good problem-solving skills.

⦁ Ability to work with cross-functional teams.

⦁ Good at research and working under pressure.

Benefits:

⦁ Day shift

⦁ 5 day a week

⦁ Performance bonus

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

• Work experience as a Python Developer
• Expertise in at least one popular Python framework (like Django, Flask or Rest Frameworks)
• 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

• Proficient in Node with Express.Js as a framework.
• Must have hands-on experience in Databases. (MongoDB)
• Proficient understanding of code versioning tools, such as Git
• Hands-on experience in building microservices and processes.
• Building reusable code and libraries for future use

Required Candidate profile

Perks and Benefits 

Position: Software Development Engineer, NodeJs

Experience: 3-7 Years

Responsibilities:

 Work with product team / business / architects to understand the requirement

and develop and maintain back end application logic

 Work with front end developers to ensure seamless integration with the back

end logic

 Design and optimize application for high performance and high availability

Develop Secure, testable and scalable application

Experience Required:

 Engineering Graduate with 3 to 7 years of experience in software development.

 Strong proficiency with JavaScript and ES6 or ECMA 2015 on Node.js platform.

 Knowledge of frameworks such as Express, KOA is desirable.

 Knowledge and understanding of async non-blocking architecture

 Knowledge of creating REST-ful APIs.

 Knowledge of Data Structures and Algorithms, Node Global variables and In built libraries.

 Experience in building high-volume transactional customer facing systems desirable
Understanding the nature of asynchronous programming and its quirks and workarounds

 Knowledge of packages BABEL, Webpack

 Basic understanding of front-end technologies, such as HTML5, and CSS3

 Writing reusable, testable, and efficient code

Architectural:

Design and implement a software architecture

Select a technology stack

Design and configure infrastructure

Select a development toolkit (IDE, etc.)

Design and implement a database design

Improve and optimise the application architecture

Ensure scalability of the application

Ensure scalability of the infrastructure

Explore new technologies and decide whether to implement them

Strategy, planning, and design:

• Take end-to-end ownership of the product, identify technology requirements, define the future product vision, create preliminary design concepts for add-on modules and shape overall technology and product roadmap by collaborating with the founders, business development, and marketing team.
• Ensure user oriented design is the primary approach to product development across multiple screens, based on user behaviour data and direct customer feedback.

Implementation and deployment:

• Manage Product Release, QA cycles, feature implementation and on time delivery through in-house team and vendors.
• Collaborate with team and customers to define use cases.
• Creation of wireframes/prototypes, site maps and user-flows for web and mobile platforms.

Operational management :

• Support marketing by implementing technical requirements for SEO/product analytics.
• Establish and supervise a quality assurance process, including integration & system testing.
• Rigorously monitor key performance metrics and coordinate with various teams to take corrective actions if needed.
• Establish and forecast ROI of features and succinctly articulate competitive advantage.
• Set-up data collection and analysis system in collaboration with CEO to track key performance.

metrics.

Strong fundamentals in computer science/engineering and algorithm design.

Practical knowledge of computer software algorithms in machine/deep learning, NLP, Computer Vision etc.

Personal Requirements:

• Min of 7+ years of Hands on experience in Web app development, payment gateways implementation, architecture design, product management, databases and UI/UX in consumer facing applications.
• Experience on projects involving engineering and algorithmic functions, machine learning, deep learning and artificial intelligence is very advantageous.
• Creative self-starter who is comfortable with both taking initiative and working in teams.
• Strong communication skills.
• Willingness to learn and utilise emerging technologies.
• Sincere passion to use disruptive technologies that can be globally significant