Node.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

We are a dynamic and innovative technology company dedicated to delivering cutting-edge solutions that empower businesses and individuals. As we continue to grow and expand our offerings, we are seeking a coding fanatic, who is interested in working on and learning new technologies. 

Position - Backend developer 

Job type - Freelance or on contract 

Location - Remote 

Roles and Responsibilities:

• Plan,create and test REST APIs for back-end services such as authentication and authorization.
• Deploy and maintain backend systems on the cloud.
• Research and develop solutions for real life business problems.
• Creating and maintaining our apps' essential business logic, providing correct data processing and flawless user experiences.
• Database design, implementation, and management, including schema design, query optimisation and data integrity.
• Participating in code reviews, providing constructive input, and ensuring that code quality standards are met.
• Keep abreast of industry developments and best practices to bring new solutions to our initiatives.

Required skills and experience - 

Must have skills : -

• Bachelor’s degree in computer programming, computer science, or a related field.
• 3 + years of experience in backend development.
• Proficient in Python,Mongodb,postgres/sql,Django and Flask
• Knowledge on nginx.
• C++/C +Cython for creating python modules
• Knowledge on Redis
• Familiarity with using AI provider apis and prompt engineering
• Experience in working with linux based instances on the cloud.
• Strong problem solving and verbal and written communication skills.
• Ability to work independently or with a group.

Good to have skills :- 

• Experience in node.js and Java 
• AWS and Google cloud knowledge.

Roles & Responsibilities :

• 1-2 years of hands-on experience in backend development with Java & Spring Boot.
• Build scalable and modular microservices for business-critical applications.
• Implement RESTful APIs and ensure high performance and responsiveness.
• Proficient with SQL databases (MySQL etc) Troubleshoot production issues and improve system reliability and scalability.

 We are currently seeking a highly skilled and experienced PHP Developer to join our talented team. As a PHP Developer, you will play a crucial role in designing, developing, and maintaining our web-based applications and websites. Your expertise in PHP programming, along with your in-depth knowledge of GIT, MYSQL, and Redis, will be essential in ensuring the success of our projects.

Responsibilities:

- Collaborate with the development team to design and implement robust and scalable PHP-based applications.

- Utilize GIT for version control, ensuring smooth collaboration and efficient code management.

- Work with relational databases, primarily MYSQL, to handle data storage and retrieval effectively.

- Implement Redis for caching and improving application performance.

- Collaborate with front-end developers, leveraging your basic knowledge of HTML and CSS to integrate the back-end functionalities seamlessly.

- Write clean, efficient, and well-documented code that follows best practices and coding standards.

- Troubleshoot and resolve issues in existing PHP applications, ensuring optimal performance and functionality.

- Stay up-to-date with the latest PHP trends, tools, and technologies to continuously improve development processes.

Requirements:

- 3 to 8 years of professional experience as a PHP Developer.

-Strong Knowledge in Core PHP is mandatory

- Proven expertise in PHP programming, with a strong portfolio showcasing your previous work.

- Solid understanding and experience with GIT for version control.

- Proficiency in working with MYSQL and handling complex database queries.

- Familiarity with Redis for caching and performance optimization.

- Basic knowledge of HTML and CSS for seamless collaboration with front-end developers.

- Strong problem-solving skills and the ability to work independently or as part of a team.

- Excellent communication and collaboration skills to effectively work with cross-functional teams.

- Bachelor's degree in Computer Science, Software Engineering, or a related field (preferred but not mandatory).

JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.

Mon-Fri, In office role with excellent perks and benefits!

Key Responsibilities:

1. Design, develop, and maintain backend services and APIs using Node.js or Python, or Java.

2. Build and implement scalable and robust microservices and integrate API gateways.

3. Develop and optimize NoSQL database structures and queries (e.g., MongoDB, DynamoDB).

4. Implement real-time data pipelines using Kafka.

5. Collaborate with front-end developers to ensure seamless integration of backend services.

6. Write clean, reusable, and efficient code following best practices, including design patterns.

7. Troubleshoot, debug, and enhance existing systems for improved performance.

Mandatory Skills:

1. Proficiency in at least one backend technology: Node.js or Python, or Java.

2. Strong experience in:

i. Microservices architecture,

ii. API gateways,

iii. NoSQL databases (e.g., MongoDB, DynamoDB),

iv. Kafka

v. Data structures (e.g., arrays, linked lists, trees).

3. Frameworks:

i. If Java : Spring framework for backend development.

ii. If Python: FastAPI/Django frameworks for AI applications.

iii. If Node: Express.js for Node.js development.

Good to Have Skills:

1. Experience with Kubernetes for container orchestration.

2. Familiarity with in-memory databases like Redis or Memcached.

3. Frontend skills: Basic knowledge of HTML, CSS, JavaScript, or frameworks like React.js.

Hi All,

5- 12 years of experience designing and developing web applications and REST APIs (using MEAN/Nodejs or similar stacks). Specifically,

- Prior experience designing/developing Single Page WebApps and REST APIs from prototypes

- Ability to design API as per REST standards along with a good understanding of API security (Auth headers etc) and HTTP protocol

- Experience leading 1-2 engineers (mainly interns) in guiding them to complete web apps. 

- Demonstrates curiosity and strong ownership of deliverables.

Work Location: Bangalore

Mode: Work from Office

www.goneutrinos.com

Regards

Team-HR

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (18000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!

 REQUIREMENTS:

• Experience: 13-15 years
• Strong technical background with node.js, event loop understanding, unit testing, developing web application & APIs, event & stream, call-back & closures, promise, async/await, accessing file system, Optimization techniques
• understanding of different components such as web server, storages, integrations
• should have worked on designing and building server-side solutions (in any technology), build process of node.js, CI/CD process of node.js, multi-tasking (working on multiple things at same time)
• Good knowledge of functional and Object-Oriented Programming
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.
• Familiarity with Azure pipeline
• Should have experience in Identifying software application weaknesses and target areas and sketching out ideas for automated software test procedures. Reviewing software bug reports and highlighting problem areas.
• Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.
• Fundamental knowledge of design patterns
• Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
• Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery.
• Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios.

  RESPONSIBILITIES:

• Writing and reviewing great quality code
• Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it.
• Determining and implementing design methodologies and tool sets
• Enabling application development by coordinating requirements, schedules, and activities.
• Being able to lead/support UAT and production roll outs.
• Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it.
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
• Giving constructive feedback to the team members and setting clear expectations.
• Helping the team in troubleshooting and resolving of complex bugs
• Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
• Carrying out POCs to make sure that suggested design/technologies meet the requirements.

What is the work?

• You will be a part of Technology Team, involved in all the stages of architecture to development of our web based applications product.
• Designing and developing applications using Microsoft Technologies (ASP.NET MVC, C#, ASP.NET Core) with Angular or React JS
• Writing detailed programs through discussion with clients, clarifying what actions the program is intended to perform

What skills and experience are we looking for?

• Minimum 3 years of working experience in .NET based application.
• Must have knowledge with Asp.net Core 2.0 or higher, Web API & C#.
• Must have atleast 1 year of current working experience into asp.net core along with either Angular or React JS.
• A good understanding of modern front-end web development techniques including HTML5, CSS3, JavaScript, knockout, angular, react js, and jQuery libraries.

• Experience of debugging and troubleshooting websites and web applications.

• Knowledge of Azure and DevOps process and worked with 'Source control' (SVN/TFS/GIT/VSTS).
• Knowledge of Agile Development Methodologies like SCRUM.
• Willingness to learn and improve.
• Should possess strong problem-solving skills.
• Good Communication skills
• Has the ability to do multitasking and assist others by maintaining strong communication with colleagues and clients .