
Java Developer
Required Skills:
- 3+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.

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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
- Develop and maintain RESTful/GraphQL APIs using Node.js, adhering to best coding practices and reusable code structures.
- Write optimized MongoDB queries for collections with crores of records, ensuring efficient data retrieval and storage.
- Design MongoDB collections, implement indexing strategies, and optimize replica sets for performance and reliability.
- Scalability & Performance
- Implement horizontal and vertical scaling strategies to handle growing data and traffic.
- Optimize database performance through indexing, aggregation pipelines, and query tuning.
- External Integrations & Debugging
- Integrate third-party APIs (payment gateways, analytics tools, etc.) and SDKs seamlessly into backend systems.
- 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:
- MongoDB: Collection design, indexing, aggregation pipelines, replica sets, and sharding.
- Node.js: Asynchronous programming, middleware, and API development (Express.js/Fastify).
- Query Optimization: Writing efficient queries for large datasets (crores of records).
- Strong debugging skills and experience in resolving production issues.
- Hands-on experience with external integrations (APIs, SDKs, webhooks).
- Knowledge of horizontal/vertical scaling techniques and performance tuning.
- Familiarity with AWS services (Lambda, SQS, S3, EC2).
Preferred Skills
- Experience with microservices architecture.
- Knowledge of CI/CD pipelines (GitLab CI, Jenkins).
- Understanding of Docker, Kubernetes, or serverless frameworks.
- 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
About Company:
Our client is a luxury home decor brand. It's nothing less than a revolution in the home decor industry- where technology enables world-class home interior design. We use technology combined with internationally trained designers to help our customers achieve the style they want to express.
Our services include unique technology-driven processes and analytics, consulting, execution, and supervision – all within schedule and planned budget, so they can relax and enjoy their space transformation with peace of mind.
We encourage our consumers to explore and discover their own self-expression while amazing their senses with new cultures and design techniques, tasteful décor, and ambiance.
Role and Responsibilities:
• Write code and tests, build prototypes, solve issues, profile, and analyze bottlenecks
• Design performance gauging, building robust APIs to support mobile and desktop clients
• Manage and optimize scalable distributed systems on the cloud
• Optimization of web applications for performance and scalability
• Develop automated tests to ensure business needs are met and allow for regression testing
• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Perform UI tests to optimize performance
• Manage cutting-edge technologies to improve legacy applications
• Collaborate with Front-end developers to integrate user-facing elements with server[1]side logic
. • Gather and address technical and design requirements
• Provide training and support to internal teams
• Build reusable code and libraries for future use.
Skills:
• Good communication skill to communicate with stakeholders, project managers, quality assurance teams, Regularly and other developers regarding progress on the long-term technology roadmap
• Curious and progressive mind to Create and maintain workflows with teams to provide visibility and to ensure workload balance for consistent visual designs
• Good technical knowledge to Produce quality code, raising the bar for the whole team on quality and speed
• Through analytical skills to Recommend system solutions by comparing advantages and disadvantages of custom development and purchase alternatives.
Requirements.
• Experience with core AWS web-enabling technologies
• Growth mindset, challenging status quo to find new solutions and out-of-the-box ideas
• Experience designing RESTful APIs, specifically for mobile apps
• Computer science degree or equivalent experience
• Experience leading a team is a bonus.
• 3+ Years of relevant experience.
• PHP Laravel Framework, PHP Design Patterns.
•Proficient in MySQL. MongoDB knowledge is plus.
•APIs, REST API, API Security.
• Laravel Events, Queue, Observers.
• Excellent foundation in computer science, algorithms, and web design
• Experience writing highly secure web applications.
Key Skills - Java , Hibernate , Spring , Maven, MVC Framework ,Spring Boot , J2EE
Must-Have Technology Skills:
- OOP Concept, Java 8+, Spring Boot, API development, Agile Scrum knowledge, Strong Databases design concepts of RDBMS, and capable of writing and optimizing complex queries.
Good understanding of any Database tool e.g. Postgres, MySQL, etc., - DevOps basic knowledge e.g. implementation of logging in the code, Application Performance Management.
- Basic API & Application security, and Basics of tuning application performance.
- Basic Understanding of DevOps concepts e.g. CI & CD, Deployment lifecycle, Basic understanding of unit testing concepts e.g. TDD (test-driven development).
- A basic understanding of Microservices patterns
- A basic understanding of Java scripting.
- Good understanding of UI Frameworks like Angular 8+
Must-Have Soft Skills:
- Verbal & Written English communication, Good Problem-solving skills,
- Good Planning skills,
- Team Player,
- Good leadership skills
- Good written and verbal communication
Job Description
- Good experience as a full-stack developer in DB-centric applications and should be able to write and optimize complex database queries
- Requirement gathering & understanding, effort estimation, technical design, project planning, and monitoring in an Agile environment.
- Work proactively & independently to address project requirements, and articulate issues/challenges with enough lead time to address project delivery risks.
- Providing expertise in technical analysis and solving technical issues during project delivery.
- Customer interfacing - understand customer requirements, and propose technical solutions.
- Full Software Development Lifecycle (Agile).
- Code reviews, test case reviews and ensure code developed meets the requirements.
- Component Design/ Coding/ Unit Testing/ Debugging / Test Driven Development / Continuous Integration.
- Carry out adaptive changes necessitated by changes in Business Requirements and Technology
- HTML/CSS/ES6 Javascript, Java 8 and any Java based web framework
- Adobe experience Manager (AEM) Apache Sling, JCR, OSGI
- Good knowledge in Apache Sling framework
- Good knowledge in Java content repository API
- Good knowledge in Apache Jack rabbbit framework
- Knowledge of OSGI and Declarative Services
- Strong understanding of REST Principles and Hands on experience REST based API development
- Knowledge of Patterns and good practices to design and develop quality and clean code
- Experience in Pair programming and code reviews
- Experience with testing at all levels unit, integration, functional and performance
- Experience in Agile Project (Scrum or SAFe) execution is a must
- Familiarity with git, basic git branching strategies, working in a peer-reviewed environment,able to code to existing patterns/styles
- Familiarity with task management, bug tracking and wiki-based documentation tools like Jiraand confluence
- AEM BE developers must have modern ES6 javascript experience as well as java developer experience
- Must be comfortable working with AEM workflows, scheduled jobs, creating/modifying jcr
- nodes via java code, and accessing REST endpoints via java code
- Ability to create custom AEM CQ components and a good exposure to both core and
- foundation components that can be inherited in AEM
- Good understanding of AEM web development framework using Apache Sling
- Create multiple OSGI Bundles in the AEM stack based on the requirements of the Project
● Execute these via designs and high quality implementations in Java and/or Python.
● Work with frontend engineer to clearly demarcate division of responsibilities via REST based interfaces.
● Focus on solutions that deliver non functional requirements around performance, scalability, security, high availability, monitorability, debuggability and other such concerns.
● Evaluate new technologies and build prototypes for continuous improvements
● Very strong real world experience on Java, Springboot, Microservices.
● Advocate best practices and standards
Desired candidates must have 3-6 years of experience as NodeJs Developers.
If the candidate cannot relocate to Gurgaon, we can also provide permanent Work from home for this position.
Roles and responsibilities:
- Responsible for understanding functional and business requirements and translate them into effective code
- Provide support till deployment of code into production.
- Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
- Implement solutions as per the pre-defined framework /guidelines and adherence to processes
- Finding an optimal solution for the problem statement
- Conduct peer code review.
What candidate should know about:
- Excellent hands-on experience with Node.Js, Express.Js, JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
- Ability to build REST services, Authentications, MVC applications
- Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
- Experience with Elastic Search, Redis.
- Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
- Self-learning abilities are required
- Familiarity with upcoming new technologies is a strong plus
DemandMatrix Inc. is a data company that provides Go To Market, Operations and Data Science teams with high quality company level data and intelligence. DemandMatrix uses advanced data science methodologies to process millions of unstructured data points that produce reliable and accurate technology intelligence, organizational intent and B2B spend data. Our product solves challenging problems for our clients such as Microsoft, DocuSign, Leadspace and many more.
Job Description
We use machine learning and narrow-AI to find companies and the products they are using. This is done by researching millions of publicly available sources and over a billion documents per month. We are looking for Tech Lead who loves tech challenges and is a problem solver. This will give you an opportunity to brainstorm ideas and implement solutions from scratch.
What will you do?
Will be part of the team responsible for our product roadmap.
You will be involved in rapid prototyping and quick roll-outs of ideas, in fast-paced environments working alongside some of the most talented and smartest people in the industry.
Lead a team and deliver the best output in an agile environment.
Communicate effectively, both orally and in writing with a globally distributed team.
Who Are You?
Designed and built multiple web services and data pipelines with a large volume.
Genuinely excited about technology and worked on projects from scratch.
A highly-motivated individual who thrives in an environment where problems are open-ended.
Must have
- 7+ years of hands-on experience in Software Development with a focus on microservices and data pipelines.
- Minimum 3 years of experience to build services and pipelines using Python.
- Minimum 1 year of experience with a large volume of data using MongoDB.
- Minimum 1 year of hands-on experience with big data pipelines and data warehouse.
- Experience with designing, building & deploying scalable & high available systems with AWS or GCP.
- Experience with Java
- Experience with Docker / Kubernetes
- Exposure to React.js for front-end development
Additional Information
- Flexible Working hours
- Entire Work From Home
- Birthday Leave
- Remote Work










