Full Stack Developer - Node.js/React.js - SaaS Startup

Responsibilities: 

• Develop and maintain high-quality, efficient, and scalable backend applications. 
• Participate in all phases of the software development lifecycle (SDLC) 
• Write clean, well-documented, and testable code adhering to best practices. 
• Collaborate with team members to ensure the successful delivery of projects. 
• Debug and troubleshoot complex technical problems. 
• Identify and implement performance optimizations. 
• Participate in code reviews 
• Hands-on experience with Springboot, Java 8 and above. 
• 5-7 years of experience developing Java applications. 
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc. 
• Required React developer requirements, qualifications & skills: 
• Proficiency in React.js and its core principles 
• Strong JavaScript, HTML5, and CSS3 skills 
• Experience with popular React.js workflows (such as Redux) 
• Strong understanding of object-oriented programming (OOP) principles. 
• Experience with design patterns and best practices for Java development. 
• Proficient in unit testing frameworks (e.g., JUnit). 
• Experience with build automation tools (e.g., Maven, Gradle). 
• Experience with version control systems (e.g., Git). 
• Experience with one of these databases – Postgres, MongoDb, Cassandra 
• Knowledge on Retail or OMS is a plus. 
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset 
• Ability to reverse engineer existing/legacy and document findings on confluence. 
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

Engineer the Future of AI-Powered Recruitment Applications

About Us:

At PyjamaHR, we're creating recruitment software so intuitive you could use it in your pajamas. We integrate cutting-edge LLMs and Generative AI technologies into practical, powerful applications that are transforming how 525+ companies hire talent. While others are still talking about AI potential, we're shipping AI-powered features that deliver real value. As we scale from Bangalore to the US market, we need exceptional full-stack talent who can turn advanced AI capabilities into elegant, user-friendly experiences.

The Role:

As a Senior Full-Stack Engineer at PyjamaHR, you'll build the applications and interfaces that bring our AI capabilities to life. This isn't about training models—it's about implementing, integrating, and optimizing Generative AI within robust full-stack applications. You'll work across our entire technology ecosystem to create seamless experiences that leverage AI to solve real recruitment challenges. Your code will directly impact how companies discover, evaluate, and hire talent.

What You'll Do:

• Implement AI-Powered Features - Integrate Generative AI capabilities into practical, user-facing applications
• Build End-to-End Solutions - Develop both frontend experiences and backend services that leverage AI capabilities
• Create Scalable Architectures - Design systems that grow with our rapidly expanding user base
• Optimize Performance - Ensure our applications remain responsive even when processing complex AI operations
• Enhance User Experiences - Translate advanced AI capabilities into intuitive, accessible interfaces
• Drive Technical Excellence - Set standards for code quality and engineering practices across the team
• Collaborate Across Functions - Work with product, design, and data teams to deliver cohesive solutions
• Solve Complex Challenges - Apply your technical creativity to the unique problems of AI-powered recruitment

Who We're Looking For:

• 3-5 years of full-stack development experience building production applications
• Experience implementing and integrating Generative AI into web applications
• Expertise with either Django/React or Node.js/React technology stacks
• Strong experience with cloud platforms (Azure preferred, AWS acceptable)
• Proven ability to build performant, scalable web applications
• Excellence in modern JavaScript/TypeScript and frontend development
• Solid understanding of software architecture principles
• Product-minded approach to engineering decisions
• Ability to thrive in fast-paced environments with evolving priorities
• Bachelor's or higher in Computer Science or equivalent practical experience

The Rewards:

• Salary range of ₹30-40 LPA for exceptional talent (with room to negotiate for truly outstanding candidates)
• Equity package with significant growth potential
• Minimal bureaucracy and maximum impact
• Autonomy to make important technical decisions
• The opportunity to shape an industry-leading product
• Collaborative, innovation-focused work environment

Location: Bangalore (Koramangala 8th Block)

This role is perfect for engineers who want to apply their full-stack expertise to implement cutting-edge AI technologies in real-world applications. If you're excited about building the interfaces and systems that make advanced AI accessible and valuable to users, we want to talk to you.

About Us

Zentosys Solutions Pvt. Ltd. is a technology-driven IT services company specializing in modern web and mobile application development. We empower businesses worldwide with innovative, scalable, and efficient software solutions. Be a part of our dynamic team and contribute to building impactful digital products.

Responsibilities

• Develop, maintain, and optimize full-stack applications using modern technologies.
• Implement backend logic using Node.js, TypeScript, and frameworks like Express.js or NestJS.
• Build intuitive, responsive, and high-performance frontend applications using React.js, Next.js, or similar frameworks.
• Design and integrate RESTful APIs and ensure seamless communication between front-end and back-end systems.
• Utilize CI/CD pipelines for automated deployment and continuous integration.
• Manage and optimize cloud infrastructure using AWS services.
• Debug, troubleshoot, and ensure application reliability and performance across the stack.
• Design database schemas and manage MongoDB for efficient data handling.
• Collaborate with cross-functional teams, including DevOps, designers, and product managers, to deliver high-quality solutions.
• Stay updated with the latest technologies, frameworks, and best practices in software development.

Requirements

• Experience: 2+ years in full-stack development.
• Strong expertise in Node.js, TypeScript, and backend frameworks like Express.js, NestJS, or Fastify.
• Proficiency in frontend technologies like React.js, Next.js, HTML5, CSS3, and JavaScript (ES6+).
• Hands-on experience with CI/CD pipelines and tools such as Jenkins, GitHub Actions, GitLab CI, or similar.
• Practical knowledge of AWS services, including EC2, S3, RDS, Lambda, and IAM.
• Experience with database schema design and management using MongoDB.
• Strong problem-solving skills with a logical and analytical approach to challenges.
• Familiarity with Git for version control and collaboration in a team environment.
• Excellent communication and teamwork skills to contribute effectively in a collaborative setting.

Preferred Skills

• Exposure to GraphQL for API development.
• Knowledge of Docker and container orchestration.
• Familiarity with Serverless Framework for deploying cloud-native applications.
• Experience with testing frameworks like Jest, Mocha, or Cypress.
• Understanding of state management libraries like Redux, Zustand, or similar.
• Hands-on experience with Terraform or other infrastructure-as-code tools.

What We Value

• Problem Solvers: Professionals who can tackle challenges with creativity and precision.
• Team Players: Individuals who thrive in a collaborative, dynamic environment.
• Growth Mindset: Developers who are eager to learn, adapt, and grow with the organization.

What We Offer

• Competitive salary in the range of ₹6 LPA to ₹15 LPA based on skills and experience.
• Work on diverse and impactful projects for a global clientele.
• A culture that encourages innovation, professional growth, and skill enhancement.
• Flexible working hours and a healthy work-life balance.
• Exposure to cutting-edge technologies and tools.

Job Type: Full-time

Pay: ₹600,000.00 - ₹1,500,000.00 per year

Benefits:

• Provident Fund

Schedule:

• Monday to Friday

Education:

• Bachelor's (Required)

Experience:

• Full-stack development: 2 years (Required)

Work Location: In person

Expected Start Date: 05/02/2025

Position Overview :

As an Intermediate Software Engineer, you will design, develop, and maintain high-performance and scalable applications for Membership, Marketing, and Map services. Your role involves coding, unit testing, and building applications to meet the needs of millions of Sam's members. You should be intellectually curious, passionate about technology, and a supportive team player.

Key Responsibilities :

- Design, code, and test scalable applications in Java and React.

- Ensure high performance and maintainability of applications.

- Participate in peer code reviews and support team deliverables.

- Manage applications to meet engineering and operational excellence criteria.

- Collaborate with team members to align efforts with business needs.

Required Skills and Experience :

- Java : Experience with Java 8 or above, including lambda functions and streams.

- React : Proficiency in React, including tools like Flux, Flow, and Redux.

- Testing : Strong in writing modular and testable code with frameworks like JUnit, Mockito, and Mock MVC.

- Front-End : In-depth knowledge of JavaScript, CSS, HTML, and React fundamentals.

- Micro-Services : Experience with micro-services architecture and distributed systems.

- Spring Boot : Hands-on experience with Spring Boot and related technologies.

- Databases : Experience with relational and NoSQL databases (e.g., Cosmos DB).

- Caching : Knowledge of caching technologies like Redis or Memcached.

- Monitoring : Experience with monitoring tools like Prometheus and Splunk.

- CI/CD : Familiarity with CI/CD tools like Jenkins, Git, Maven, and Gradle.

- Containerization : Experience with Docker, Helm, and Kubernetes.

- Cloud Platforms : Experience with Azure, GCP, or similar public cloud platforms.

- Performance Testing: Experience with performance testing tools like JMeter is a plus.

- Retail Domain Knowledge : Good understanding of the retail domain is beneficial.

Qualifications :

- Bachelor's degree in Computer Science, Engineering, or related field.

- 7+ years of experience in software engineering or a related field.

Additional Information :

- Strong problem-solving skills and analytical thinking.

- Ability to work effectively in a team environment

Job Title: Senior Blockchain Developer

Job Description:

We are seeking a highly skilled Senior Blockchain Developer to join our team. The ideal candidate will have extensive experience in Ethereum, Bitcoin, Solana, and related technologies, with a strong focus on smart contracts and node setup. The candidate should be proficient in Solidity using tools like Hardhat or Foundry, as well as possess expertise in NodeJS. Experience with Rust, and Golang is considered a significant advantage.

Responsibilities:

- Develop and deploy smart contracts on Ethereum, Bitcoin, and Solana blockchains.

- Configure and maintain blockchain nodes for optimal performance.

- Collaborate with cross-functional teams to integrate blockchain solutions into existing systems.

- Write clean, efficient, and maintainable code in Solidity, NodeJS, and other relevant languages.

- Stay updated on the latest developments and trends in blockchain technology.

- Contribute to the design and architecture of blockchain-based applications.

Requirements:

- Bachelor's degree in Computer Science, Engineering, or related field.

- Minimum of 3 years of experience working with blockchain technologies.

- Proficiency in Ethereum, Bitcoin, and Solana blockchains.

- Strong understanding of smart contracts and their implementation.

- Experience with Solidity using Hardhat or Foundry.

- Solid knowledge of NodeJS.

- Familiarity with Rust, Golang, and Hyperledger is a plus.

- Excellent problem-solving and analytical skills.

- Ability to work both independently and collaboratively in a fast-paced environment.

- Strong communication and interpersonal skills.

If you possess the required skills and are passionate about blockchain technology, we encourage you to apply for this exciting opportunity.

Join us in shaping the future of decentralized applications and blockchain solutions.

JD – Sr Nodes Js  Developer

About Us:Our client is India’s first end to end CX platform enabled with gig-workforce. We empower companies to shift their CX centres to 100% Opex model and enable businesses to deliver quality customer experience services at significant cost benefits through our unique people and technology platform.

Our vision is to be the leading global customer experience service provider translating advanced technology through our network of existing local talent pools to add value for our customers.

Skills:
PRIMARY SKILLS NEEDED:

NodeJS, Angular and AngularJS
Sound SQL/MSSQL expertise
Sound experience in deployment of Web applications on AWS/Google cloud platforms

Experience on telephony or messaging applications and interfaces is good to have

Experience:
8-12 years of Full Stack Application development experience is must.
Deep understanding of client side development, coding in HTML5, CSS3, JavaScript ES6, and jQuery.
Strong experience using a client side MVC framework such as NodeJS, Angular and AngularJS
Topnotch programming skills and writing code for robust software design.
Experience in responsive design, cross browser compatibility and website performance.
Experience in object oriented design skills.
Aggressive problem diagnosis and creative problem solving skills.
Good understanding of how browsers and DOM work.
Experience with Git.
Experience with handling Services, RESTful, APIs.

Knowledge of frontend CSS frameworks like Bootstrap, Material UI and pre-processors like SASS and LESS.

Responsibilities:
To work with a cross-functional software development team on highly visible strategic projects as an expert level individual contributor to the coding tasks assigned.
Experience working with remote data via REST and JSON
Experience with third party libraries and APIs (Google APIs etc.)
Produce well designed efficient code in a timely manner to meet delivery timescales/milestones.
Mentor other developers on software best practices technical guidance and help grow their software development skill sets.
To proactively stay plugged into emerging technologies/industry trends and apply them into operations and activities.
Should demonstrate the ability to handle multiple projects simultaneously, manage priorities and communicate progress effectively.

We are seeking a highly skilled and experienced MERN (MongoDB, Express.js, React, Node.js) Stack Developer to join our dynamic development team. As a MERN Stack Developer, you will be responsible for designing, developing, and maintaining scalable web applications using the MERN stack framework.

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Expertise in backend programming with Node.js and MongoDB.
• Experience with React.js and redux.
• Material UI and 3rd party libraries.
• Experience with clean code writing practices like avoiding callback hell like promises, async.
• Thorough understanding of Node.js and its core principles.
• Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of ECMAScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Familiarity with modern front-end builds pipelines and tools.
• A knack for benchmarking and optimization.
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial).

Responsibilities:

• Build Node.js APIs using microservices.
• Rewriting backend code with microservices architecture & Unit tests.
• Developing new user-facing features using React.js.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
• 
  

Job Description:

We are looking for a highly capable Node.js developerto optimize our web-based application performance. Collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.

Full Stack Responsibilities:  Developing and maintaining allserver-side network components.  Ensuring optimal performance of the central database and responsivenessto front-end requests.  Collaborating with front-end developers on the integration of elements.  Designing customer-facing UI and back-end servicesfor various business processes.  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 technicalsupport.  Documenting Node.js processes, including database schemas, as well as preparing reports.  Recommending and implementing improvementsto processes and technologies.  Keeping informed of advancementsin the field of Node.js development.

Requirements:  Bachelor's degree in computerscience, information science, orsimilar.  At least two years of experience as aNode.js developer.  Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.  Knowledge of front-end technologiessuch as HTML5 and CSS3, Angular, Reactjs.  Superb interpersonal, communication, and collaboration skills.  Exceptional analytical and problem-solving aptitude.  Availability to resolve urgent web application issues outside of business hours

Experience: 2 to 5 years

Annual CTC: Rupees 6,00,000 to 10,00,000