Sr. Backend Egineer

BACKEND DEVELOPER JOB DESCRIPTION

Job Title: Backend Developer - Node.js & MongoDB

Location: Hyderabad

Employment Type: Full-Time

Experience Required: 3–5 Years

About Us

Inncircles – THE INNGINEERING COMPANY

We are a forward-thinking construction-tech innovator building CRM solutions that manage crores of records with precision and speed. Our mission is to revolutionize the construction domain through scalable engineering and robust backend systems. Join us to solve complex challenges and shape the future of data-driven construction tech!

Job Description

We are hiring a Backend Developer with 3–5 years of hands-on experience in Node.js and MongoDB to design, optimize, and maintain high-performance backend systems. You will work on large-scale data processing, external integrations, and scalable architectures while ensuring best coding practices and efficient database design.

Key Responsibilities

Backend Development & Optimization

1. Develop and maintain RESTful/GraphQL APIs using Node.js, adhering to best coding practices and reusable code structures.
2. Write optimized MongoDB queries for collections with crores of records, ensuring efficient data retrieval and storage.
3. Design MongoDB collections, implement indexing strategies, and optimize replica sets for performance and reliability.
4. Scalability & Performance
5. Implement horizontal and vertical scaling strategies to handle growing data and traffic.
6. Optimize database performance through indexing, aggregation pipelines, and query tuning.
7. External Integrations & Debugging
8. Integrate third-party APIs (payment gateways, analytics tools, etc.) and SDKs seamlessly into backend systems.
9. Debug and resolve complex issues in production environments with a systematic, data-driven approach.

AWS & Cloud Services

Work with AWS services like Lambda (serverless), SQS (message queuing), S3 (storage), and EC2 (compute) to build resilient and scalable solutions.

Collaboration & Best Practices

Collaborate with frontend teams to ensure smooth API integrations and data flow.

Document code, write unit/integration tests, and enforce coding standards.

Mandatory Requirements

3–5 years of professional experience in Node.js and MongoDB.

Expertise in:

1. MongoDB: Collection design, indexing, aggregation pipelines, replica sets, and sharding.
2. Node.js: Asynchronous programming, middleware, and API development (Express.js/Fastify).
3. Query Optimization: Writing efficient queries for large datasets (crores of records).
4. Strong debugging skills and experience in resolving production issues.
5. Hands-on experience with external integrations (APIs, SDKs, webhooks).
6. Knowledge of horizontal/vertical scaling techniques and performance tuning.
7. Familiarity with AWS services (Lambda, SQS, S3, EC2).

Preferred Skills

1. Experience with microservices architecture.
2. Knowledge of CI/CD pipelines (GitLab CI, Jenkins).
3. Understanding of Docker, Kubernetes, or serverless frameworks.
4. Exposure to monitoring tools like Prometheus, Grafana, or New Relic.

Why Join Inncircles?

Solve large-scale data challenges in the construction domain.

Work on cutting-edge cloud-native backend systems.

Competitive salary, flexible work culture, and growth opportunities.

Apply Now:

If you’re passionate about building scalable backend systems and thrive in a data-heavy environment, share your resume and a GitHub/portfolio link showcasing projects with Node.js, MongoDB, and AWS integrations.

Inncircles – THE INNGINEERING COMPANY

📍 Hyderabad | 🚀 Building Tomorrow’s Tech Today

Job Description

We are looking for a Software engineer to join our cutting-edge development team as it grows. We want someone who is comfortable asking “why?” The ideal candidate is a divergent thinker who understands industry best practices and has experience with multiple coding languages. They are a team player possessing strong analytical as well as technical skills, and are able to communicate the logic behind technical decisions to non-tech stakeholders. They must be comfortable working in an agile environment and have the ability to “take the wheel” when necessary. They will work with multiple technologies and develop a keen sense of evaluating and using the appropriate technology to derive the best solution.

What you'll do

• Participate in the entire application lifecycle, focusing on coding and debugging
• Write and test code to ensure compatibility and stability: refine and rewrite as necessary
• Troubleshoot and debug applications
• Collaborate with Front-end developers to integrate user-facing elements with server-side logic
• Follow the spec and its requirement and develop the features/project
• Providing written knowledge transfer material as documents

Must have

• 1+ years experience coding in a modern programming language like Java, GoLang, Node JS, Python or RoR 
• Solid understanding of data structures and algorithms, good design principles like SOLID 
• Problem solving & analytical aptitude 
• Excellent verbal and written communication skills 
• Experience in source code control with git/svn
• Should be flexible to work on a variety of programming languages like NodeJS, Python, etc. and on XML technologies like XSLT, XML Pipelines, etc

Good to have

• Experience working in the Node JS stack 
• Unit testing and automation frameworks 
• Experience working in a public cloud environment (AWS preferred) 
• Working with distributed microservice architectures 
• Agile product development life cycle

Eligibility Criteria 

• Bachelor's or master's degree in computer science or related fields from a reputed institution
• Any internship experience is a plus
• Experience: 1-4 years 
• Location: Chennai. Work from office (Mon to Fri)

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required: 

• At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

Role - Lead- Backend Engineering

Work Mode- Hybrid

Location- Thane, Mumbai.

About the Company: 

Ventura is an omnichannel trading and investment platform with a network of branches, sub-brokers and Digital Channels. Founded in 1994, the company is now entering the next phase of growth by pivoting to a digital-first approach and strengthening its direct-to-consumer franchise. The company has now carved out a separate fintech vertical tasked with digital transformation using cutting-edge technology and bringing in fresh talent. 

Job Description: 

We are looking for a Backend Engineering lead whose highly talented individuals come from diverse backgrounds and are looking to solve real client problems at scale. We are looking for passionate techies with skills primarily around AWS and the latest tech stack who are aspiring for a fast-track career.

Join us if you like to:

· Build out a next-gen fintech product from ground 0

· Opportunity to influence the design of the product

· Flexible and Hybrid work environment running out of Slack

· Flat org structure

· Stay up-to-date on industry trends and emerging technologies

We’ll need you to bring:

· Bachelor's degree in Engineering or Master's degree in CS/ IT.

· 7+ years of experience 

· Clean coding skills around C++/Python/NodeJS/Go.

· Knowledge of Redis.

· Experienced in SQL with Postgres and Good to have Influx DB.

· Knowledge of NGINX or any other API gateway.

· Strong AWS skills, techies with certifications from AWS are particularly encouraged to apply - AWS API Gateway, Route53, Lambda, EC2, RDS, SQS, CloudWatch, Cognito, QuickSight

Demonstratable experience around writing testable code, working with git, doing peer-level code review, daily standups, and generally championing software excellence

We are looking for a Node JS developer interested in building high performance back end using PostgreSQL. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure.

Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

• Build Fin Tech logic with super clean code with appropriate error handling

• Integration of user-facing elements developed by front-end developers with server side logic
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection
• Integration of data storage solutions - Postgresql

We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing APIs, and integrating data storage and protection solutions.

• Minimum of two years previous experience as a Node.js developer.
• Minimum of two years of experience developing applications using MongoDB.
• Minimum of one year of experience developing applications using ExpressJs.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of the APIs.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests and identifying bugs.
• Documenting Node.js processes, including database schemas.
• Recommending and implementing improvements to APIs.

• 3-5 Years of experience in Backend Development.
• Must have experience in Python (FLASK framework).
• Have Deep understanding of how RESTful APIs work.
• Familiar with various design and architectural patterns that can work at scale.
• Sound knowledge of NoSQL/SQL Databases (Mongo DB preferred).
• Strong experience with at-Cloud technology, preferably AWS or GCP or Azure.
• Core experience in developing complex backend systems.
• Communicating complex technical concepts to both technical and non-technical audiences.
• Passionate about application scalability, availability, reliability, and security.

• Good experience on RESTful services
• .Hands on experience on NodeJs
• .Should have previous working experience on Sql and Postgresql  
•  Must have relevant experience in NodeJS from 3-5years.