
Responsibilities for Jr. Node JS Developer: 3+yrs
· Should have relevant object-oriented application-building experience in a professional environment.
· Design and implementation of low-latency, high-availability, and performant applications.
· Implementation of security and data protection.
· Thorough understanding of relational databases such as MySQL or similar technologies.
· Excellent coding skills in Node.js, and JavaScript.
· Knowledge of working closely with code versioning tools like git.
· Excellent communication skills and being able to work independently or in a full team.
Required Skills:
· Strong proficiency with JavaScript.
· strong hold on Node.js and frameworks.
· Understanding the nature of asynchronous programming and its quirks and workarounds.
· Good understanding of server-side templating languages.
· Good understanding of server-side CSS preprocessors.
· Basic understanding of front-end technologies, such as HTML5, and CSS3.
· Understanding accessibility and security compliance.
· User authentication and authorization between multiple systems, servers, and environments.
· Integration of multiple data sources and databases into one system.
· Understanding fundamental design principles behind a scalable application.
· Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform.
· Creating database schemas that represent and support business processes.

About Hartley Lab
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We are looking for a Full Stack Engineer who can own the entire technical stack, design systems that scale, and ship products fast. You will work across frontend, backend, and AI systems, making key architectural decisions while building a product used by real users.
This role offers high ownership, where engineers move ideas to production quickly and take responsibility for both technical decisions and product impact.
What would you do?
- Build and own the end-to-end platform using React, Node.js microservices, Python AI agents, and AWS.
- Design and implement scalable system architecture, including caching, databases, and state management between AI and UI.
- Develop AI-powered backend services and orchestrate LLM workflows using modern frameworks.
- Build highly interactive front-end experiences using modern React and real-time communication tools.
- Define and maintain engineering best practices, including CI/CD pipelines, monorepo structures, and development workflows.
- Collaborate closely with users and product teams to identify problems and ship impactful solutions.
- Continuously simplify systems by removing unnecessary complexity and keeping architecture clean.
Who should apply?
- Engineers with 4+ years of experience building and shipping production-grade products.
- Strong understanding of system design, architecture, and scalable backend systems.
- Hands-on experience with Python (FastAPI, async systems) and LLM-based applications.
- Proficiency in JavaScript / TypeScript with Node.js and modern backend frameworks.
- Experience building modern frontend applications using React (React 18+).
- Familiarity with databases such as Redis, PostgreSQL, or MongoDB, and designing scalable APIs.
- Engineers comfortable working in fast-paced environments with high ownership and minimal process overhead.
Technical Skills
- Backend: Node.js, Express, Python, FastAPI
- Frontend: React (React 18+), interactive UI development
- AI/LLM Systems: LLM orchestration, multi-model integrations
- Databases: Redis, PostgreSQL, MongoDB
- Infrastructure: AWS, CI/CD pipelines, microservices architecture
- Real-time Systems: Socket.IO, Server-Sent Events (SSE)
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.
Instrive is a Chennai-based start-up that provides high-quality Dev-ops solutions for clients worldwide. We strive to solve problems and create value in this increasingly digital world. Instrive was founded to create high-quality products and deliver great user experiences worldwide.
Several products are being developed for both in-house purposes and our overseas clients, and we are actively expanding our team of talented professionals.
We are constantly pushing the boundaries of what is possible, and our employees have the opportunity to be at the forefront of this innovation. Our flat organisational structure encourages open communication and idea-sharing and provides ample opportunities for employees to take ownership of their work and make a real impact.
As part of our ambitious product roadmap, we need senior developers with experience in NodeJS.
Your primary responsibility will be to develop UI components, processes, documentation, and an organisation-wide style guide that can be reused across all applications.
Roles and Responsibilities:
- Develop and maintain web applications using Node.js, Express, and related technologies
- Write clean, efficient, and well-documented code.
- Collaborate with the team to design and implement new features and functionality
- Troubleshoot and debug issues to ensure a smooth user experience
- Optimize application performance and scalability
- Participate in code reviews and ensure adherence to coding standards
- Keep up-to-date with the latest technologies and industry trends
- Work with other developers, project managers, and stakeholders to understand project requirements and deliver high-quality solutions
Desired Candidate Profile:
- 3-5 years of experience in web application development using Node.js
- Strong proficiency in JavaScript, including experience with popular libraries and frameworks such as Express.js, Nest.js, and Mongoose
- Experience with front-end technologies such as HTML, CSS, and JavaScript
- Knowledge of web protocols and technologies such as HTTP, REST, and WebSockets
- Experience with NoSQL databases such as MongoDB and SQL databases like MySQL, SQLite, PostgreSQL
- Experience with Git and version control
- Familiarity with Agile development methodologies
- Strong problem-solving and analytical skills
- Excellent communication skills, both verbal and written
- Adaptability to rapid change
Good to have:
- Experience with GraphQL and Apollo
- Familiarity with AWS, Azure, or Google Cloud Platform
- Experience with containerisation technologies such as Docker and Kubernetes
- Experience with unit testing, integration testing, and end-to-end testing frameworks
- Knowledge of microservices architecture and event-driven architecture
- Familiarity with cloud-based development tools such as AWS Lambda and Azure Functions
- Familiarity with load balancing, caching, and performance optimisation techniques
- Experience working with remote teams and communicating effectively with remote stakeholders.
Perks and Benefits:
By working at the intersection of product, strategy, and technology, you will learn how to make strategic decisions, prioritise product features against business objectives, and put the user first.
In addition to the exciting work, Instrive offers our employees a comprehensive benefits package. This includes health insurance, paid time off, and professional development and training opportunities, so our employees can continue to grow and advance in their careers.
We focus on fostering a positive and collaborative work environment and are committed to helping our employees reach their full potential.
You will make a meaningful impact and create lasting connections with our outstanding team, no matter where your career takes you.
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3+ years of Experience in software Design and development and familiar with technologies - Java, Java-J2EE, Spring Boot, Hibernate, Ajax, REST API, Micro services etc.
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Working knowledge of JVM internals
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Working knowledge of any database (MySQL or HSQLDB)
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Working knowledge of No-SQL database (Mongo or Dynamo DB)
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Working experience with messaging (JMS/RabbitMQ)
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R & D on new advanced cloud-based technologies in a test-driven agile development.
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Knowledge in designing and architecting systems with high scalability and performance requirements.
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Ability to understand infrastructure for performance evaluation and reporting of cloud-based services, namely AWS
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knowledge of key AWS services like EC2, S3, Lambda, CloudWatch etc.
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Certification on AWS Fundamendals
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Excellent communication skills
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ability to effectively articulate technical challenges and solutions
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skilled in interfacing with internal and external technical resources
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Good in debugging problems and mentoring teams on technical front
- Integration of user-facing elements developed by front-end developers
- Build efficient, testable, and reusable PHP modules
- Solve complex performance problems and architectural challenges
- Integration of data storage solutions.
- Maintaining social media and admin panel accounts.
Skills And Qualifications
- Strong knowledge of PHP web frameworks.
- Understanding the fully synchronous behavior of PHP
- Understanding of MVC design patterns
- Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
- Knowledge of object-oriented PHP programming
- Understanding accessibility and security compliance.
- Strong knowledge of the common PHP or web server exploits and their solutions
- Understanding fundamental design principles behind a scalable application
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Familiarity with limitations of PHP as a platform and its workarounds
- Creating database schemas that represent and support business processes
- Familiarity with SQL/NoSQL databases and their declarative query languages
- Proficient understanding of code versioning tools, such as Git.
- Website development and API integrations. Database and password security.
Ruby on Rails Developer minimum 1+ year
Job Qualification: BE/ MCA or other Graduation or Post graduation Degree in computer science branch.
Skills Ruby and Rails framework, good communication skills, building web applications.
What is in store for you?
- Work in a dynamic, non-hierarchical environment where talent is valued over job title or years of experience
- Build custom software using the newest technologies and tools for clients across geographies.
- Develop product management capabilities
- Craft your own career
- Exposure to multitude of domains and client environments
Are you a developer who believes writing code is a craft?
This job is for you if you have,
- 1 to 3years of development and delivery experience with Ruby on Rails + Frontend Technologies.
- Hands-on experience in analysis, design, coding, and implementation of complex, custom-built applications
- Strong design patterns knowledge
- Familiar with few databases, like MySQL, Oracle, PostgreSQL, SQL Server, NoSQL, etc
- Good communication and client-facing skills with the ability to work in a consulting environment.
Requirements:
- Passion for building and delivering great software with a strong sense of ownership.
- Good understanding into .Net Core and PS
- Minimum of two years of experience in building web applications using ASP.NET MVC and .NET platform in general.
- Should have strong UI development skills using HTML, CSS/JavaScript frameworks.-
Good understanding of IIS configuration
- Strong experience with Build and Release, Agile processes and Estimation/Planning-
Exposure to New Relic or similar tools to optimize web application performance
Strong expertise in SQL programming, with experience of writing & optimizing queries that access/process millions of records-
Experience of architecting and designing web applications and servicesTeam TA,LeadSquared (ref:hirist.com)







