
Skills Required:
- At least 2.5 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.
Company video


Photos
Connect with the team
Similar jobs
Your Impact
We’re looking for passionate and self-driven folks who can combine technical depth with strategic product thinking. This role is ideal for someone who enjoys working with modern backend stacks, brings strong critical thinking to the table, and can balance short-term delivery with long-term technical vision.
- Build scalable and reliable backend services and APIs that power the product.
- Design, implement, and maintain databases, ensuring data integrity, security, and efficient retrieval.
- Implement the core logic that makes applications work, handling data processing, user requests, and system operations.
- Contribute actively to system architecture, proposing enhancements and leading design discussions for new features and services.
- Working closely with product managers and designers to turn ideas into reality and shape the product roadmap.
- Optimize systems for performance, scalability, and security
- Stay up-to-date with new technologies and frameworks, contributing to the advancement of software development practices
- Drive code quality through writing unit tests, code reviews, and documentation.
- Take ownership of end-to-end feature development — from design to deployment and monitoring.
- Mentor junior developers, setting high standards for engineering excellence within the team.
What skills do you need?
- Extensive (Must have) hands-on experience in JavaScript / TypeScript, backend development using Node.js and Express.js, and database management with MySQL.
- Strong command of JavaScript and understanding of its quirks and best practices
- Exposure to system design and interest in building scalable, high-availability systems.
- Experience from a high-growth product-based startup is a must-have.
- Ability to think strategically when designing systems—not just how to build, but why
- Prior work on B2C applications with a focus on performance and user experience
- Ensure that applications can handle increasing loads and maintain performance, even under heavy traffic
- Work with complex queries for performing sophisticated data manipulation, analysis, and reporting.
- Knowledge of Sequelize, MongoDB, and AWS would be an advantage.
- Experience in optimizing backend systems for speed and scalability.
- Experience building teams and operating in high-paced environments
Why choose a career at RockED?
- Build from Day One: Work in small, fast-moving teams solving real problems and building products from the ground up.
- Learn from Industry Leaders: Collaborate directly with leaders who’ve held senior roles at global companies like Adobe, Microsoft, Walmart, and more.
- Global Exposure: Be part of a diverse, high-calibre team working closely across the US and India.
- People-First Benefits: ₹10 lakh health insurance coverage for you and your family—fully sponsored by RockED.
- Freedom with Responsibility: Unlimited leave policy built on trust and ownership, used responsibly by our team so far.
About Root Node
We’re an early-stage startup building intelligent tools for planning, scheduling, and optimization—starting with timetabling and warehouse logistics. Backed by deep domain expertise and a growing customer pipeline, we’re now building our core tech team. This is not just a coding job — it's a chance to build something meaningful from the ground up.
About the job
- Design and implement robust backend systems and APIs using Java or similar backend language and Spring Boot or equivalent frameworks
- Integrate backend services with existing custom ERP systems
- Work closely with the founder on product architecture, feature prioritization, and go-to-market feedback
- Take full ownership of features — from system design and development to deployment and iterative improvements
- Help shape our engineering culture and technical foundations
You're a Great Fit If You:
- Have 3+ years of experience in backend development
- Are strong in Java or similar languages (e.g., Kotlin, Go, Node.js)
- Have solid experience with Spring Boot or equivalent backend frameworks
- Have integrated with ERP or enterprise systems in production environments
- Are comfortable with both SQL (PostgreSQL) and NoSQL (MongoDB)
- Understand REST API development, authentication, Docker
- Have an entrepreneurial mindset — you're excited about ownership, ambiguity, and making decisions that shape the product and company
- Want more than just a job — you want to build, solve, and learn rapidly
What We Offer
- Competitive salary
- High degree of ownership and autonomy
- Ability to shape the tech and product direction from Day 1
- Transparent and fast decision-making culture
- A builder’s environment — solve real-world problems with real impact
Job Summary:
As a Shopify App Developer at [Your Company Name], you will be responsible for designing, developing, and maintaining custom applications for the Shopify platform. You will collaborate with cross-functional teams to create solutions that meet our clients' needs and improve their eCommerce operations. The ideal candidate will have a strong background in Shopify app development, excellent problem-solving skills, and a passion for delivering exceptional user experiences.
Key Responsibilities:
- App Development: Design, develop, and deploy custom Shopify apps using Shopify’s API, Polaris, and other relevant technologies.
- Customization: Customize and extend Shopify’s existing functionalities to meet specific client requirements.
- Integration: Integrate Shopify apps with third-party services, APIs, and data sources as needed.
- Maintenance & Support: Troubleshoot and resolve issues related to Shopify apps and provide ongoing support and maintenance.
- Collaboration: Work closely with project managers, designers, and other developers to ensure that app solutions align with project goals and client expectations.
- Testing & Quality Assurance: Conduct thorough testing of applications to ensure reliability, performance, and adherence to Shopify’s standards.
- Documentation: Create and maintain clear documentation for code, processes, and app functionality.
- Innovation: Stay updated with the latest Shopify developments, industry trends, and best practices to continuously improve app functionality and user experience.
Qualifications:
- Experience: Proven experience in developing Shopify apps, including a portfolio of past projects or apps.
- Technical Skills: Proficiency in Shopify’s APIs, Liquid templating language, JavaScript, HTML, CSS, and familiarity with Shopify Polaris design system.
- Programming Languages: Strong knowledge of backend programming languages such as Ruby, PHP, or Node.js.
- Database Management: Experience with database technologies such as MySQL, MongoDB, or PostgreSQL.
- Problem-Solving: Excellent problem-solving skills with the ability to troubleshoot and resolve complex technical issues.
- Communication: Strong verbal and written communication skills, with the ability to explain technical concepts to non-technical stakeholders.
- Team Player: Ability to work effectively both independently and as part of a team in a fast-paced environment.
We are looking for an experienced Node.js Developer with at least 3-years of experience. In this role, you will be responsible for developing and maintaining server-side applications and building scalable applications using Node.js. It is a WFH/Remote, full-time position.
Responsibilities
- Design and develop RESTful APIs using Node.js
- Build and maintain high-performance, reusable, and reliable code
- Write unit and integration tests for all code changes
- Developing and maintaining all server-side network components
- Designing customer-facing UI and back-end services for various business processes
- Collaborate with cross-functional teams to define, design, and ship new features
- Optimize application performance and ensure scalability and reliability
- Troubleshoot and debug issues in the application codebase
- Documenting Node.js processes, including database schemas, as well as preparing reports
Qualifications
- 3+ years of experience designing and/or developing applications using node.js
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks
- Strong experience with ExpressJS or Restify frameworks
- Very well understanding of Javascript, Browsers, real time communication
- Experience with ReactJS & MongoDB is a plus
- Strong fundamentals in OOPS, Data structured and Design Patterns
- Knowledge of front-end technologies such as HTML5 and CSS3
Project Description: Build a Software Solution which integrate with AWS Service to facilitate supply chain management for logistic companies
Experience range: 0.6 to 5 yrs
Mandatory Skills
AWS Lambda, NodeJS, AWS API Gateway
Job Description: As a full stack developer should be able develop API service using Node JS and deploy on AWS with complete unit and integration testing.
Mandatory Technical skills:
- AWS Lambda – create lambda function with all the security in place.
- Proficiency in Node JS (should have developed services, developed unit and integration testing)
- Swagger hub – defined the services on swagger hub
- Strong notions of security best practices (e.g. using IAM Roles, KMS, etc.).
- Serverless approaches using AWS Lambda. For example, the Serverless Application Model (AWS SAM).
Synapsica is a growth stage HealthTech startup founded by alumni from IIT Kharagpur, AIIMS New Delhi, and IIM Ahmedabad. We believe healthcare needs to be transparent and objective, while being affordable. Every patient has the right to know exactly what is happening in their bodies and they don’t have to rely on cryptic 2 liners given to them as diagnosis.
Towards this aim, we are building an artificial intelligence enabled cloud based platform to analyze medical images and create 2.0 of advanced radiologist reporting.
We are backed by YCombinator and other marquee investors from India, US and Japan. We are proud to have GE, AIIMS, the Spinal Kinetics as our partners.
Join us, if you find this as exciting as we do!
Description:
Synapsica is looking for a Node.js/Python developer who is passionate about designing and implementing scalable solutions with highest quality. You will be responsible for creating high performance, responsive, and secure server-side programs to manage Synapsica platform. You will be responsible for designing, managing and supporting cloud platform and scaling our database. This role is ideal for you if you have a background in bakcned development and are looking for the next level of career growth in a fast paced, learning based and merit driven work environment.
Responsibilities:
- Design and development of our new platform modules from scratch.
- Hands on implementation of our APIs and integrations.
- Design, scaling and integration of new/existing databases.
- Ensuring the entire stack is designed and built for speed and scalability
- Design and construction of our REST APIs with best secutiry mechanisms.
- Design and implementation of continuous integration and deployment pipelines in tandem with the respective team members.
- Performance tuning and improvements in large scale systems.
- Ensuring responsiveness and cross-platform compatibility of applications.
- Owning and delivering end-to-end products, features, enhancements.
Requirements:
- Degree in Computer Science or related discipline with strong competencies in data structures, algorithms, and software design
- At least 4+ years of experience with writing Python/NodeJS/PHP/Ruby on Rails.
- Prior experience of database design and management in MongoDB, including being up on the latest practices and associated versions.
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with huge amount of data.
- Familiarity with AWS (or equivalent) ecosystem with end-to-end cloud deployment.
- Experience implementing code level unit tests.
- Proficiency with Git / Version control.
- Appreciation for clean and well documented code
- Excellent verbal communication skills.
- Good problem solving skills.
- Attention to detail.
- Very high sense of ownership.
- Deep interest and passion for technology
Exposure to Angular would be an added advantage
Should be willing to work in challenging environment for a start up company

- Relevant industry experience in developing performant and scalable backend systems using Node.js.
- Solid understanding of Core Computer Science, Systems Design and Data Structures & Algorithms.
- Knowledge and experience in the best practices of design and architecture.
- Experience in developing extensible and scalable solutions.
- Experience in implementing automatic assessments associated with the front-end layer, both integration and unit.
- A love for beautiful, clean and maintainable code.
















