
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.

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 Tamasha
Tamasha is building next-generation live, social, and real-time consumer
experiences across gaming, audio, video, and interactive platforms. Our backend
systems power millions of real-time interactions, low-latency data flows, and high
throughput event-driven services.
Role Overview
As a Software Development Engineer III (Backend), you will operate as a senior
individual contributor owning mission-critical backend systems. You will design
scalable architectures, solve complex distributed systems problems, and influence
engineering standards across teams.
Roles & Responsibilities
Own backend systems end-to-end, from design and implementation to
production reliability and long-term evolution.
Design scalable, fault-tolerant, and low-latency backend architectures for real
time and event-driven use cases.
Lead system design decisions including data models, service boundaries, async
workflows, and scalability strategies.
Build and operate high-throughput services handling millions of events, requests,
or messages per day.
Own reliability metrics such as p95/p99 latency, uptime, error budgets, and
participate in incident resolution and post-mortems.
Drive architectural migrations including monolith to microservices and
synchronous to asynchronous flows.
Collaborate with product, frontend, and data teams to translate complex
requirements into robust backend solutions.
Improve developer productivity by contributing to internal platforms, tooling,
CI/CD pipelines, and coding standards.
Mentor engineers through design reviews, code reviews, and technical guidance
without direct people management.
Proactively identify performance bottlenecks, cost inefficiencies, and scalability
risks and resolve them at the system level.
Tech Stack
Backend: Node.js (NestJS / Express), Golang, Java
Databases: PostgreSQL, MySQL, MongoDB, Redis
Messaging & Async: Kafka, SQS, RabbitMQ, Pub/Sub
Real-time: WebSockets, Server-Sent Events
Cloud & Infra: AWS / GCP, Docker, Kubernetes
Observability: Prometheus, Grafana, OpenTelemetry
What We’re Looking For
• 5+ years of backend engineering experience
• Proven ownership of production systems at scale
• Strong understanding of distributed systems and async architectures
• Experience handling production incidents and system reliability
• Ability to independently design and evolve backend systems
Who You Are:
- You’ve built scalable, production-ready APIs in fast-paced environments, and are comfortable with the challenges that come with a growing startup.
- You understand event-driven architectures and have hands-on experience building real-time applications.
- You are fully capable of taking ownership of backend systems, from designing the database schema to writing efficient, maintainable code.
- You think beyond the code: optimizing performance, scalability, and security are as important as building new features.
- You’re comfortable troubleshooting complex issues, whether that’s API bottlenecks, database performance, or production issues.
Responsibilities:
- Design, implement, and manage a NestJS backend with a modular, scalable architecture that can easily handle real-time events and communication.
- Develop and maintain WebSocket services for real-time event-driven updates and ensure seamless communication across the system.
- Integrate RabbitMQ for reliable internal messaging, handling queues and ensuring event-driven workflows are efficient and fault-tolerant.
- Implement database management strategies using MongoDB, Redis, and Elasticsearch, ensuring efficient data handling, indexing, and optimization.
- Integrate with external APIs (JSON-RPC, XML-RPC, REST) to enhance system capabilities.
- Ensure high performance of the system by optimizing database queries, implementing caching strategies using Redis, and ensuring optimal indexing and data flow.
- Implement role-based authentication and authorization mechanisms using JWT, OAuth, and RBAC patterns within NestJS.
- Follow security best practices to ensure sensitive data is protected, credentials are stored securely, and the system is resilient to common vulnerabilities.
- Work collaboratively with cross-functional teams to ensure seamless integration between different services and technologies.
Must-Have Skills:
- Strong proficiency in Node.js and NestJS with TypeScript.
- Solid experience with MongoDB, Redis, and Elasticsearch for data storage and real-time data handling.
- In-depth knowledge of WebSockets and Socket.IO in NestJS Gateways, enabling real-time communication and updates.
- Experience with RabbitMQ for message queuing and asynchronous task handling.
- Strong understanding of authentication & authorization systems using JWT, OAuth, and RBAC (Role-Based Access Control).
- Expertise in optimizing APIs, including techniques for caching, improving database performance, and reducing latency.
- Familiar with API security best practices, including secure storage of credentials, encryption, and safeguarding sensitive data.
Key Skills:
- TypeScript, NestJS, WebSockets, Socket.io
- Redis, MongoDB, Elasticsearch, RabbitMQ
- API Optimization, JWT, OAuth, RBAC
- Real-time communication, Event-driven architecture
Requirements:
- Should be a go-getter, ready to shoulder more responsibilities, shows enthusiasm and interest in work.
- Excellent core Python skills including threading, dictionary, OOPS Concept, Data structure, Web service.
- Should have work experience on following stacks/libraries: Flask
- Familiarity with some ORM (Object Relational Mapper) libraries
- Able to integrate multiple data sources and databases into one system
- Understanding of the threading limitations of Python, and multi-process architecture Familiarity with event-driven programming in Python
- Basic understanding of front-end technologies, such as Angular, JavaScript, HTML5 and CSS3
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Understanding of accessibility and security compliance
Experience in both RDBMS(MySQL), NoSQL databases (MongoDB, HDFS, HIVE etc) or in-memory caching technologies such as ehcache etc is preferable
We are looking to hire Node.js Backend developers to build a consumer-friendly social commerce app.
You can apply if you have knowledge of JavaScript and frameworks/systems (nodejs) and
- Strong analytical skills and aptitude Good Understanding of architecture, software design and best coding practices
- Ability to learn new languages and technologies
- Experience with databases (both SQL and NoSQL)
- Familiarity with Agile development methodologies
- Good working knowledge of Linux
- Excellent communication skills
Plus points:
- Knowledge of Redis, Mongo and Mysql.
- Knowledge of AWS services.
- Knowledge of CI/CD pipelines.
- Deep understanding of Database Indexing.
- Knowledge of microservices architecture.
- Knowledge of golang/rust.
Working with an early stage startup can get you an opportunity to build systems from scratch, exponentially grow your career and become industry leaders. You will be working with experienced software engineers from top IITs, unicorns and soonicorns who have built systems for millions of users
The database market is massive (the IDC estimates it to be $119B+ by 2025!) and MongoDB is at the head of its disruption. The MongoDB community is transforming industries and empowering developers to build amazing apps that people use every day. We are the leading modern data platform and the first database provider to IPO in over 20 years. Join our team and be at the forefront of innovation and creativity.
MongoDB is expanding our global team of consulting engineers to further our ongoing plans for worldwide growth!
MongoDB Professional Services works with customers of all shapes and sizes in all verticals, from tier-1 banks to small web startups, on a variety of interesting use cases from e-commerce platforms to trading systems to social media applications. Solve interesting problems, gain incredible cross-stack experience, work with the best and brightest people in the business, network with industry leaders, and see new places - all in a day’s work!
MongoDB consulting exists to support the development of our customers’ vision, accelerate customers’ time to value, and drive a multitude of customer adoption scenarios - from building new solutions to modernizing legacy applications or migrating to the cloud. Our consulting solutions ensure that organizations get the best out of MongoDB.
Be one of the recognized experts in this rapidly growing field in a high-growth software company successfully challenging the status quo of the database industry.
Shift Timing
You will get an opportunity to work with Global customers (APAC, EMEA, and North America) So this would require you to work in monthly rotational shifts.
This role can be based out of our Gurugram/Bangalore Office or remotely in the India region.
Candidate Profile
We’re looking for a highly technical individual, with strong problem-solving and communication skills, and is comfortable working closely with customers.
Our ideal candidate will have
- Excellent analytical, diagnostic skills, and problem-solving skills
- High motivation for a role that combines deep technical and customer-management dimensions
- Confidence speaking and presenting in a collaborative customer setting
- 4+ years of software development/consulting/support experience, preferably in a number of distinct industries/verticals
- Familiarity with enterprise-scale software architectures, application development methodologies, and software deployment and operations
- Competence in at least one of the following languages (in no particular order): Java, C#, Python, Node.js (JavaScript), Ruby, Go.
- Experience with databases such as MongoDB, Oracle, MS SQL Server, PostgreSQL
- Familiarity with Linux diagnostics and tuning; Windows tuning knowledge is a plus
- Should have the strong capability with, minimally, both English and any local language - as necessary
Position Expectations
As a core member of the MongoDB Professional Services team, you will
- Contribute to helping migrate customers from self-hosted MongoDB on-prem/cloud to Atlas
- Contribute to customer implementations at any or all phases of the application lifecycle: portfolio assessment, application planning, and design, deployment architectures, development and build, integration and release configuration, system testing, production operations, application optimization, and best practices adoption
- Work as part of a wider delivery team comprising fellow consulting engineers, project managers, and account teams
- Cultivate your individual MongoDB reputation as a trusted advisor to guide MongoDB and our customers into the future
- Partner with Product and Engineering teams to influence the direction of the MongoDB product roadmap
Success Measures
As a Consulting Engineer, you will be successful in this role when you can execute the following
- Become a field expert in “everything MongoDB”
- Communicate complex technical proposals simply and convincingly to a wide range of audiences
- Gain a reputation as a trusted advisor with your clients, large and small
- Ensure your client’s success with their MongoDB endeavors
- Maintain the required level of billable utilization
- Influence MongoDB product development by contributing experience from the field
- Successfully communicate the product roadmap to external clients
- Constantly work on improving yourself, our products and our team
Do you know, Why MongoDB is a fantastic place to work and build your career?
- Top NoSQL database in the world
- Largest Ecosystem and the fastest growing database in the world
- Close to 26,800 customers in more than 100 countries and over 175+ million downloads
- Sequoia Capital and a number of other Top VC firms have invested in MongoDB. Sequoia Capital calls us out as one of their flagship portfolios; Sequoia has also invested in Apple, Google, Youtube, and WhatsApp
- 9-figure revenue company, with very high double-digit growth rates
- Be a part of the company that’s reinventing the database, focused on innovation and speed
- Enjoy a fun, inspiring culture that is engineering focused
- Work with talented people around the globe
- Learn, contribute, and make an impact on the product and community
Life at MongoDB
Our India office culture
- 300+ people, with teams in Sales, Engineering, HR, Finance, IT & Marketing
- Regular group outings and opportunities to get to know your colleagues
- Employee affinity groups
Our Benefits
- Competitive salary and equity
- Comprehensive Health cover, dental cover, travel insurance & Life Insurance.
- Free lunch twice per week and a fully stocked kitchen with healthy and sweet treats in office.
- Macbooks are company standard
- 26 weeks Maternity & 20 Paternity leave to spend time with new arrivals
let’s check out the below link to know more about the role and Flex Consulting Team in India:
https://www.mongodb.com/blog/post/meet-our-growing-flex-consulting-team
To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys.https://www.mongodb.com/blog/channel/culture"> Learn more about what it’s like to work at MongoDB, and help us make an impact on the world!
MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.
MongoDB is an equal opportunities employer.
Responsibilities:
Developing and maintaining all server-side network components.
Ensuring optimal performance of the central database and responsiveness to front-end requests.
Collaborating with front-end developers on the integration of elements.
Designing back-end services for various business processes.ses.
Developing high-performance applications by writing testable, reusable, and efficient code.
Implementing effective security protocols, data protection measures, and storage solutions.
Running diagnostic tests, repairing defects, and providing technical support.
Documenting Node.js processes, including database schemas, as well as preparing reports.
Recommending and implementing improvements to processes and technologies.
Keeping informed of advancements in the field of Node.js development.
Skills:
Bachelor's degree in computer science, information science, or similar.
At least two years' experience as a Node.js developer.
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.
Great organizational and time management skills.
Availability to resolve urgent web application issues outside of business hours.
Position: Backend Developer 1 / Backend Engineer:
Location: Bangalore
Experience: .5 to 4 years, preferably in an agile environment
Strong Knowledge Node.js and MongoDB
Good Knowledge on Flask, SQL and other databases
Good Knowledge on Deployment Process (Nginix, Docker, AWS, Digital Ocean)
Basic Knowledge on Python
We are looking for 2+ Year experienced Back-end developer to join our Team.
You will be responsible for the development and management of server side of our web applications in terms of quality and scalability.
You should be passionate about writing optimised codes, and solving problems in real time, Data Structure and Algorithm.
Responsibilities :
- Write clean code to develop functional web applications
- Should be adaptable to good practices and standards
- Capable to write scalable codes.
- Gather and address technical and design requirements
- Build reusable code and libraries for future use
- Follow emerging technologies
Required Candidate profile
Requirements :
- Hands on experience on Node Js, Typescript, Mongodb, Elastic Search, Kafka, RESTfull Apis, Python(Django), Angular, Flutter / Dart
- Excellent analytical and time management skills
- Teamwork skills with a problem-solving attitude
- Understanding of deployment process with AWS/Digital Ocean/Microsoft Azure
- Good Understanding of System Design.
- Should be aware of design patterns
- Understanding of TDD
- Unit Test Frameworks - Chai, Mocha, Sinon, Supertest, Knock
What we are looking for
- We are looking for a candidate with around 2 years of experience in Backend Development. We are looking for a team player with a very good attitude.














