
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 3 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.

About Recro
About
Recro is a developer-focused platform that was founded with the aim of seamlessly matching individual expertise with the right opportunities.
We empower talented developers by providing them with relevant experience at fast-growing startups based on technical competencies and aspirations. These opportunities have a significant impact on their career success and help them become their best self.
On the other hand, startups get instant access to top-quality developers with guaranteed productivity from the very beginning. We help them to scale up/down based on their needs, thus ensuring an efficient and high-yielding workforce.
Developers solve real-time complex problems and get exposure to the uplifting and challenging work culture at start-ups like Flipkart, Dunzo, Swiggy, and Zivame among many others. At Recro, we ensure continuous support from our strong community to accelerate careers for developers and strive to create optimal business outcomes for high-growth startups.
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About the Role
We are seeking highly driven Backend Web Developers with strong knowledge of Node.js, TypeScript, and MongoDB. You will play a key role in building and maintaining the backend architecture, APIs, and scalable services powering our web applications.
This position is ideal for candidates who are self-starters, comfortable in a startup environment, and can pick up tasks independently from Day 0.
Key Responsibilities
- Design, develop, and maintain scalable backend services and RESTful APIs using Node.js & TypeScript.
- Work with MongoDB for efficient data modeling, schema design, and query optimization.
- Integrate backend services with frontend applications and third-party APIs.
- Write clean, modular, and efficient code with a strong emphasis on performance and security.
- Ensure error handling, logging, and monitoring are implemented for production readiness.
- Collaborate with frontend developers, product managers, and designers to deliver end-to-end features.
- Implement and maintain microservices architecture.
- Good understanding of deployment processes and willingness to work with AWS stack (EC2, S3, Lambda, etc. – good to have).
Required Skills & Qualifications
- Strong proficiency in Node.js and TypeScript.
- Hands-on experience with MongoDB (Mongoose ORM preferred).
- Solid understanding of Redis, Messaging Queues, etc.
- Knowledge of Git/GitHub with a strong portfolio of deployed projects (blank GitHub profiles will be rejected).
- Strong problem-solving, debugging, and optimization skills.
- Ability to take ownership of tasks and work independently.
- Familiarity with async programming, promises, event loops, and backend architecture concepts.
Preferred Skills
- Prior experience (internship/full-time) in a startup environment.
- Exposure to AWS stack (Lambda, EC2, S3, CloudWatch, RDS, etc.).
- Experience with Docker, CI/CD pipelines, or cloud deployments.
- Understanding of server-side caching and messaging queues.
- Familiarity with testing frameworks (Jest).
Eligibility Criteria
- Experience: 0 – 2 years (Freshers with strong projects are welcome).
- Education: Tier 2 / Tier 3 college graduates preferred.
- GitHub Requirement: Candidates must have solid GitHub profiles with deployed projects. Inactive or blank GitHub accounts will be rejected.
Selection Process
- Written Test – Core programming fundamentals & problem-solving.
- Sample Task – Real-world backend task (API/service implementation).
- Technical Interview (Basic, 30 min) – Node.js, TS, Mongo fundamentals.
- Advanced Technical Interview (90 min) – Deep dive into system design, architecture, scaling, and debugging.
- HR Round – Culture fit and final discussion.
Why Join Us?
- Work in a high-growth startup environment where your contributions have a direct impact.
- Ownership from Day 0 – take responsibility for building and shipping features.
- Learn and grow with a team of passionate engineers.
- Opportunity to work with modern tech stack and real-world problem-solving.

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.
About the Job
As a Cloud Backend Engineer you will design, develop, and maintain scalable and reliable backend systems in cloud environments. You will be responsible for building cloud-native applications, optimizing backend performance, and ensuring seamless integration with frontend services and third-party systems.
What You’ll Be Doing
- Backend Development
- Design and implement scalable and high-performance backend services and APIs for cloud-based applications.
- Develop microservices architectures and serverless functions to support business needs.
- Ensure backend systems are secure, reliable, and performant, adhering to best practices and industry standards.
- Cloud Infrastructure and Deployment
- Build and manage cloud infrastructure using platforms such as AWS, Google Cloud Platform (GCP), or Azure.
- Deploy and maintain backend services using cloud-native technologies (e.g., Kubernetes, Docker, AWS Lambda, Google Cloud Functions).
- Implement and manage CI/CD pipelines to automate deployment processes and ensure smooth delivery of updates.
- Performance Optimization
- Monitor and optimize the performance of backend services, including database queries, API responses, and system throughput.
- Implement caching strategies, load balancing, and other performance-enhancing techniques to ensure scalability and responsiveness.
- Troubleshoot and resolve performance issues and system bottlenecks.
- Database Management
- Design and manage relational and NoSQL databases, ensuring data integrity, scalability, and performance.
- Implement data access patterns and optimize queries for efficient data retrieval and storage.
- Ensure backup, recovery, and data security practices are in place.
- Integration and Collaboration
- Collaborate with frontend developers, DevOps engineers, and other stakeholders to integrate backend services with frontend applications and third-party systems.
- Participate in architectural discussions and provide input on system design and technology choices.
- Ensure clear communication and documentation of backend services, APIs, and system interactions.
- Security and Compliance
- Implement security best practices to protect backend services from threats and vulnerabilities.
- Ensure compliance with relevant regulations and standards, including data privacy and protection requirements.
- Conduct regular security assessments and vulnerability scans to maintain system integrity.
- Testing and Quality Assurance
- Develop and maintain automated tests for backend services, including unit tests, integration tests, and end-to-end tests.
- Perform code reviews and participate in quality assurance processes to ensure high code quality and reliability.
- Monitor and address issues identified during testing and production deployments.
- Documentation and Knowledge Sharing
- Document backend services, APIs, and infrastructure setups to facilitate knowledge sharing and support.
- Create and maintain technical documentation, including architecture diagrams, API specifications, and deployment guides.
- Share knowledge and best practices with team members and contribute to a collaborative development environment.
What We Need To See
- Strong experience in backend development, cloud technologies, and distributed systems, with a focus on building robust, high-performance solutions.
- Minimum 5 years of experience in backend development, with a strong focus on cloud-based applications.
- Proven experience with cloud platforms (AWS, GCP, Azure) and cloud-native technologies.
- Experience in designing and implementing RESTful APIs, microservices, and serverless architectures.
- Technical Expertise in:
1. Backend Development
- Strong experience with backend programming languages such as Node.js, Python
- Expertise in working with frameworks such as NestJS, Express.js, or Django.
2. Microservices Architecture
- Experience designing and implementing microservices architectures.
- Knowledge of service discovery, API gateways, and distributed tracing.
3. API Development
- Proficiency in designing, building, and maintaining RESTful and GraphQL APIs.
- Experience with API security, rate limiting, and authentication mechanisms (e.g., JWT, OAuth).
4. Database Management
- Strong knowledge of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g. MongoDB).
- Experience in database schema design, optimization, and management.
5. Cloud Services
- Hands-on experience with cloud platforms such as Azure,AWS or Google Cloud.
6. Performance Optimization
- Experience with performance tuning and optimization of backend services.
7. Security
- Understanding of security best practices and experience implementing secure coding practices.
- Soft Skills:
- Strong problem-solving skills and attention to detail.
- Excellent communication and collaboration skills, with the ability to work effectively in a team environment.
- Ability to manage multiple priorities and work in a fast-paced, dynamic environment.


💥 What will you do?
As a Backend Engineer, you will
- Create and maintain server-side code
- Designing database schemas to support business requirements
- Building reusable code and libraries for future use
- Troubleshoot and debug applications
- Write unit tests
- Stay up to date with current best practices
- Collaborate with front end engineers
- Optimization of the application for maximum speed and scalability
- Work with stakeholders including the Executive, Product, Data, and Design teams to assist with web-application-related technical issues and support their requirements.
🙋 What are we looking for?
While we do not have a strict list of requirements for candidates interested in this role, some indicators that you would fit this role and our engineering culture are
- 2+ years of relevant work experience as a Backend engineer using Python frameworks like Django, Flask, etc
- Experience with relational databases like MySQL, PostgreSQL
- Good understanding of OOP concepts
- Understanding of code versioning tools, such as Git
- Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
- Experience writing unit tests for the application is a plus
- Experience with building REST APIs
- Superior analytical, conceptual, and problem-solving skills.
- Strong verbal and written communication skills in English.
Skill: Java Developer – Mumbai
Job Description:
4.5 -8 years of Experience
- Java 8
- Spring boot
- API development
- MVC architecture
- web services
- OOPS
Job description for Backend Developer:
If interested can forward your resume to (ambikadotjsemperfidotcodotin)
For more details contact 8a3a1a0a8a4a4a6a8a2
• Hands on experience in Springboot and good knowledge of MySQL, MongoDB
• Hands on experience in building RESTful based APIs
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Integration of user-facing elements developed by a front-end developers with server side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability•
• Implementation of security and data protection

The ideal candidate should demonstrate the following:
- Fluency in Ruby on Rails, RDBMS & Nosql and Background Job process management.
- Working experience of JavaScript, HTML5 & CSS3, jQuery (show us what you have created!)
- Experience with Angular.JS, Node.JS, PWA, AWS, Google Cloud a major plus
- Excellent problem solving skills and ability to break complex problems into simpler tasks
- Hard working, self-starter, proven ability to manage multiple projects to strict deadlines
- Ability to participate in high level strategy discussions, work in areas outside of your comfort zone, and work quickly to get things done
What is expected of you:
Responsible for architecting and implementing optimal development processes, leading the entire development team, making major decisions, conducting code reviews with a hands on approach to the development of all front-end/back-end and/or mobile functionality.


Job Responsibilities:
• Design and build efficient, scalable systems that are used by millions of people,
• Own what you build as you create, test, and refine what’s under the hood of our pages and services,
• Investigate production issues pertaining to customer features to determine root cause and implement solutions,
• Investigate existing queries and write new queries with performance optimization in mind,
• Build well-designed software in a way that is generic, reusable, and easily extensible, as well as solves the business needs and requirements,
• Collaborate with product managers, designers, and software engineers to ensure design vision is maintained, the final markup is standards compliant, and UI deliverables are completed on time,
• Work with the real-time feedback from our users (external and internal) to make the products better,
• Discover, design, develop, deploy, debug. Repeat!
Requirements:
• 1-2 years of experience,
• Proficiency in web scripting programming with PHP,
• Experience with MySQL Databases,
• Top-notch programming skills in JavaScript and a strong understanding of web fundamentals,
• Design, build and maintain high performance, scalable and secure code,
• Experience with cloud services like AWS is plus,
• Experience with MVC architecture is a plus,
• Knowledge / experience in building an API,
• Solid understanding of the foundations of security and best practices,
• Good grasp of data structures and algorithms,
• Excellent problem-solving skills,
• Take ownership of the backend services, ensure the best possible performance, quality and responsiveness, as well as maintaining code quality, organisation and testing/deployment,
• Passionate about technology and willing to develop expertise in an emerging field,
• Strong organisational and communication skills, team player.
Perquisites & Benefits:
• A competitive salary,
• Opportunity to be part of a diverse working environment, valuable social sector work experience,
• Fun, casual, relaxed and flexible work environment.


A PHP Developer writes clean, fast PHP to a high standard, in a timely and scalable way that improves the code-base of our products in meaningful ways.
You will be a part of a full-stack creative team that is responsible for all aspects of the ongoing software development from the initial specification, through to developing, testing and launching.
Responsibilities
Write “clean”, well-designed code
Produce detailed specifications
Troubleshoot, test, and maintain the core product software and databases to ensure strong optimization and functionality
Contribute in all phases of the development lifecycle
Follow industry best practices
Develop and deploy new features to facilitate related procedures and tools if necessary
Requirements
Proven software development experience in PHP
Understanding of open source projects like Joomla, Drupal, Wikis, osCommerce, etc
Demonstrable knowledge of web technologies including HTML, CSS, Javascript, AJAX, etc
Good knowledge of relational databases, version control tools, and of developing web services
Experience in common third-party APIs (Google, Facebook, eBay, etc)
Passion for best design and coding practices and a desire to develop new bold ideas
BS/MS degree in Computer Science, Engineering or a related subject
Experience - 1 to 3 years required
Must have worked on WordPress.
•Development experience with object oriented JavaScript, ES6 Features
•Development experience with nodejs libraries like express, MySql, mongoose etc,
•Understanding the nature of asynchronous programming
•Hands on experience with MySql, MongoDB [RDBMS, No SQL DB]
•Able to write complex MySql queries, Stored procedure
•Familiarity with API optimization techniques
•Collaborating with front-end developers on the integration of elements.
•Must have knowledge of GIT, POSTMAN
•Good to have knowledge of KAFKA, REDIS

