MERN/MEAN Stack Developer

About the Role :

We are looking for a skilled and strong expertise in Vue.js and EJB/Spring Boot to join our growing team. The ideal candidate should have hands-on experience building scalable, high-performance web applications and APIs, with a keen eye for performance, security, and maintainability. You will work closely with product managers, designers, and other developers to design, develop, and deploy innovative solutions for modern web applications.

Key Responsibilities :

- Develop, test, and maintain frontend applications using Vue.js .

- Design and implement backend services and RESTful APIs using Jersey Client EJB or Spring Boot.

- Integrate frontend and backend services ensuring seamless data flow and optimized performance.

- Work with relational and/or NoSQL databases, ensuring efficient query design and schema modeling.

- Implement secure authentication/authorization flows (JWT, OAuth2, etc.).

- Optimize application performance for speed, responsiveness, and SEO.

- Write clean, maintainable, and well-documented code with proper unit/integration tests.

- Collaborate with cross-functional teams for requirement gathering, technical design, and solution delivery.

- Stay up to date with latest technologies in Vue ecosystem, Java EJB, Jersey Client / Spring Boot, cloud deployment, and DevOps practices.

- Contribute to code reviews, technical documentation, and team knowledge sharing.

Required Skills & Qualifications :

- Strong expertise in Vue.js (Composition API, Vuex/Pinia, Vue Router).

- Hands-on experience with EJB and Jersey Client / Spring Boot for building scalable and secure backend APIs.

- Strong understanding of REST API design, microservices architecture, and best practices.

- Proficiency in JavaScript/TypeScript, HTML5, CSS3, Tailwind/Bootstrap.

- Experience with relational databases (MySQL/PostgreSQL) and ORM tools (JPA/Hibernate).

- Caching : Redis

- DevOps Tools : CI/CD with GitLab CI, Jenkins (optional)

- Version Control : GitLab, SVN

- Others : Postman, Swagger/OpenAPI, Maven/Gradle

- Excellent problem-solving, debugging, and communication skills.

Preferred Skills (Good to Have) :

- Experience with GraphQL, WebSockets, or gRPC.

- Knowledge of ElasticSearch, Redis, or Kafka.

- Familiarity with Headless CMS integrations.

- Exposure to Agile/Scrum methodology.

- Familiarity with Docker, CI/CD pipelines, Git, and cloud deployment (AWS/GCP/Azure).

- Knowledge of security best practices (XSS, CSRF, CORS, API security).

 Senior Full Stack Java Developer

Location: Bangalore/ Remote

Experience: 5+ years

Shift:       U.K Shift (01:30 PM IST to 10:30 PM IST)

Summary

We are seeking a highly skilled Senior Full Stack Java Developer with strong expertise in backend and frontend technologies. The ideal candidate will have hands-on experience in building scalable applications using Java, Spring Boot, JSP, and modern frontend frameworks, along with excellent communication skills to collaborate effectively with global teams.

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications.
• Implement best practices and design patterns for clean, maintainable code.
• Work with Spring Boot, JSP, and MySQL to build robust backend services.
• Develop responsive UI components using HTML, CSS, JavaScript, jQuery, and Bootstrap.
• Optimize database queries and ensure efficient performance.
• Collaborate with cross-functional teams to deliver high-quality solutions.
• Participate in code reviews, testing, debugging, and deployment activities.
• Work in a U.K shift to support international clients and project requirements.

Must-Have Skills

• Strong expertise in Java and Spring Boot.
• Hands-on experience with JSP, MySQL, and backend services.
• Proficiency in HTML, CSS, JavaScript, jQuery, and Bootstrap for frontend development.
• Solid understanding of design patterns and software architecture.
• Strong debugging, problem-solving, and performance optimization skills.
• 
  
• Excellent communication and collaboration abilities.

Strong in Java/JEE, Spring framework,MS, JavaScript, RESTful web services

•            Strong understanding of microservices and associated design patterns

•             Experience with latest unit testing tools including Junit

•              Working knowledge of Angular/React

•              Experience in SQL

•             Experience in identifying and remediating security vulnerabilities

•              Should be well versed with test driven development and be knowledgeable on associated tools and practices - CICD

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.

● In-depth knowledge of full-stack development principles and best practices.

● Expertise in building web applications with strong proficiency in languages like Node.js, React, and Go. 

● Experience developing and consuming RESTful and gRPC API Protocols.

● Familiarity with CI/CD workflows and DevOps processes. 

● Solid understanding of cloud platforms and container orchestration technologies.

● Experience with Kubernetes deployment and workflows using tools like Argo.

● Experience applying AI/ML models to optimize workflows or enhance product features, with familiarity in frameworks like TensorFlow, MLflow, Kubeflow, or PyTorch. 

● Experience fine-tuning existing AI/ML models to adapt to specific use cases or datasets, ensuring optimized performance. 

● Experience with Workflow Orchestration tools like Temporal and Windmill.

● Strong background in System Design. 

● Hands-on experience with Queuing Mechanisms such as RabbitMQ, Redis, and Kafka. 

● Experience with designing and building user-friendly interfaces using Tailwind CSS and Radix UI. 

● Excellent understanding of distributed systems, databases, and APIs. ● A passion for writing clean, maintainable, and well-documented code. ● Strong problem-solving skills and the ability to work independently as well as collaboratively. 

● Excellent communication and interpersonal skills. 

Bonus points if you have: 

● Experience with building self-serve platforms or user onboarding experiences.

● Familiarity with Infrastructure as Code (IaC) tools like Terraform.

● A strong understanding of security best practices for Kubernetes deployments.

● Grasp on setting up Network Architecture for distributed systems. 

Your Opportunity Join our dynamic team as a Full Stack Software Dev, where you'll work at the intersection of innovation and leadership. You'll be part of a passionate group of engineers dedicated to building cutting-edge SaaS solutions that solve real customer challenges. This role is perfect for an experienced engineer who thrives on managing teams, collaborating with leadership, and driving product development. You’ll work directly with the CEO and senior architects, ensuring that our products meet the highest design and performance standards.

Key Responsibilities

• Lead, manage, and mentor a team of engineers to deliver scalable, high-performance solutions.
• Coordinate closely with the CEO and product leadership to align on goals and drive the vision forward.
• Collaborate with distributed teams to design, build, and refine core product features that serve a global audience.
• Stay hands-on with coding and architecture, driving key services and technical initiatives from end to end.
• Troubleshoot, debug, and optimize existing systems to ensure smooth product operations.
• Requirements & Technical Skills
• Bachelor's/Master’s/PhD in Computer Science, Engineering, or related fields (B.Tech, M.Tech, B.CA, B.E./M.E).
• 4 to 8 years of hands-on experience as a software developer, ideally in a SaaS environment.
• Proven track record in developing scalable, distributed systems and services.
• Solid understanding of the Software Development Lifecycle (SDLC).
• Strong programming experience in Spring & Hibernate with Kotlin, React, Nest.js, Python, and Shell scripting.
• Expertise in Unix-based systems, container technologies, and virtual machines.
• Knowledge of both relational and non-relational databases (MySQL, PostgreSQL, MongoDB, DocumentDB). Preferred Qualifications
• Familiarity with Agile methodologies.
• Experience working on both structured and unstructured data sources. Soft Skills
• Strong leadership, coaching, and mentoring capabilities to inspire and guide a team of engineers.
• Excellent communication skills, with the ability to present complex technical concepts clearly to non-technical stakeholders.
• Adaptable to new technologies in a fast-paced environment.

• Expertise with NodeJS (extensively using ExpressJS), AngularJS and MySQL
• Rich user interface development experience with HTML5, JQuery, w3css/bootstrap etc and JavaScript frameworks like AngularJS and Angular 
• Expertise in building real-time web applications using MQTT, Websocket, Socket.IO, and EventSource frameworks
• Comfortable with developing MVC architecture-based code
• Comfortable in using at least one of the Graph/Chart libraries
• Ability with report generation from HTML contents
• Skilled in implementing security features across the applications and components
• Experience with tools usage - Code quality, Memory/CPU profiling tools
• Skilled with code optimization techniques
• Experience with docker container usage
• Experience with LDAP is a plus
• Strong troubleshooting techniques
• The strong defect resolution process for minimized latency
• Familiarity with confluence management (JIRA)
• Good to have a basic understanding of PHP frameworks like Yii, Codeigniter and databases like  MongoDB
• Good to have strong networking fundamentals, prior working experience in network technologies and protocols
• Ability to build supportability features to reduce the defects in software components
• Knowledge of GNU tools, revision control software (SVN, Git, etc.) and development lifecycle is a plus

Senior Fullstack Developer (MERN Stack) having min 4 years of relevant experience with hands-on experience in handling all aspects of Product Management internal and external facing Product development. Work with Founders to set a product vision and strategy that delivers unique value based on customer needs and expectation. Work closely with development and program management to deliver products and features.

Key Responsibilities

• Demonstrated experience managing the full product development life cycle, including product conceptualization,  prototyping, and development
• Software development experience to not just be able to solve stuff on your own but also to better communicate / manage and colloborate between team
• Hands on leader who's comfortable coding, providing code reviews, and leading complex architectural design discussions in team setting. Can set coding standards, ensure quality.
• Team leading experience
• Technical Expertise in AWS deployment
• Very deep capabilities to architect enterprise class applications on the cloud with web/mobile front ends. Microservices Architecture. Cross-platform integrations.

Stack base:

UI - Tailwind, styled components, react (familiar in Functional components and hooks) and react router

State management - Redux and redux saga,

Backend - Express and node,

Database - Redis and MongoDB with mongoose ODM