Java Developer

Job Title: Software Development Engineer – III (SDE-III)

Location: Sector 55, Gurugram (Onsite)

Work Timings: Regular day shift, 5 days working

About Master-O

Master-O is a next-generation sales enablement and microskill learning platform designed to empower frontline sales teams through gamification, AI-driven coaching, and just-in-time learning. We work closely with large enterprises to improve sales readiness, productivity, and on-ground performance at scale.

As we continue to build intelligent, scalable, and enterprise-ready products, we are looking for a seasoned SDE-III who can take ownership of complex modules, mentor engineers, and contribute to architectural decisions.

Role Overview

As an SDE-III at Master-O, you will play a critical role in designing, building, and scaling core product features used by large enterprises with high user volumes. You will work closely with Product, Design, and Customer Success teams to deliver robust, high-performance solutions while ensuring best engineering practices.

This is a hands-on role requiring strong technical depth, system thinking, and the ability to work in a fast-paced B2B SaaS environment.

Required Skills & Experience

• 4–5 years of full-time professional experience in software development
• Strong hands-on experience with:
• React.js
• Node.js & Express.js
• JavaScript
• MySQL
• AWS
• Prior experience working in B2B SaaS companies (preferred)
• Experience handling enterprise-level applications with high concurrent users
• Solid understanding of REST APIs, authentication, authorization, and backend architecture
• Strong problem-solving skills and ability to write clean, maintainable, and testable code
• Comfortable working in an onsite, collaborative team environment

Good to Have

• Experience working with or integrating LLMs, AI assistants, or Agentic AI systems
• Experience with cloud platforms and deployment workflows
• Prior experience in EdTech, Sales Enablement, or Enterprise Productivity tools

Why Join Master-O?

• Opportunity to build AI-first, enterprise-grade products from the ground up
• High ownership role with real impact on product direction and architecture
• Work on meaningful problems at the intersection of sales, learning, and AI
• Collaborative culture with fast decision-making and minimal bureaucracy
• Be part of a growing product company shaping the future of sales readiness

Design and develop frontend applications using Angular (v10+).

Build and maintain RESTful APIs using Node.js and Express.js.

Develop and manage MySQL databases including schema design, query optimization, and stored procedures.

Integrate front-end UI with backend services.

Collaborate with product managers, designers, and other developers to deliver high-quality software.

Participate in code reviews, testing, and debugging.

Optimize application performance, scalability, and security.

Write clean, maintainable, and well-documented code.

Follow Agile/Scrum methodologies and contribute to sprint planning and daily stand-ups.

Job Description:

We are looking for a PHP Laravel Developer to join our agile team of professionals.

Apply now for the role of a Laravel Developer at CodeBuddy that is opening doors for skilled, energetic developers looking for challenging roles.

If you are passionate about technology, constantly seeking to learn and improve your skill set,create multiple layers of applications while working cross-functionally across different infrastructures.

You would fit perfectly if you love problem-solving, design, and creating

quality offerings.

Technical Competency:

● Proven Experience using PHP framework Laravel

● Experience in Web Application Development using PHP/MySQL

● Good knowledge of HTML5, CSS3, jQuery,JSON, JavaScript and Bootstrap framework.

● Must have strong object-oriented PHP programming skills

● Writing server-side web application logic, back-end components, connect the application with other web services & support the front-end developers.

● Understanding accessibility and security compliance.

● Experience in developing high-end web applications in Javascript Frameworks (AngularJS/ReactJS/VueJS) along with API building will be considered as an advantage but not necessary.

● Ability to perform UI/backend tests to optimize performance

● Must be proficient in the use of GIT

● A talent for effective problem solving and troubleshooting

Interpersonal skills:

● Must be comfortable working in a team and independently as and when required.

● Must be disciplined, proactive, and self-motivated.

● Needs to have problem-solving and analytical skills.

● Good to have previous experience of direct client interaction for project briefs and updates.

What You Need To Apply:

● Previous work experience as a Laravel developer for 1 year at least.

● Good experience with Javascript

● Self-motivated with the ability to work independently or jointly in a self-directed way.

● Demonstrated successful development of web or mobile-based applications

● Proven analytical and problem-solving capabilities

● Keen attention to detail

● Strong work ethic and desire to build industry-leading products

● Proactive instead of reactive

● Looking for ways to improve self and projects

WordPress: As a WordPress Developer, you will be responsible for designing and developing engaging and responsive websites using WordPress. You will collaborate with cross-functional teams to deliver high-quality web solutions that align with our goal.

Responsibilities:

• Develop and maintain custom WordPress themes and plugins, ensuring responsive design and optimal performance.
• Collaborate with UI/UX designers to convert designs into functional websites while maintaining visual and brand consistency.
• Customize and extend existing WordPress functionalities to meet specific project requirements.
• Optimize website performance, including page load times, user experience, and mobile responsiveness.
• Debug and troubleshoot website issues and implement timely solutions.

Qualifications:

• Bachelor's degree in Computer Science, Web Development, or a related field (preferred but not required).
• Proven experience as a WordPress Developer with a strong portfolio showcasing previous projects.
• Proficiency in HTML, CSS, JavaScript, PHP, and MySQL.
• Experience with responsive design principles and frameworks.
• Solid understanding of web performance optimization techniques.
• Strong problem-solving skills and attention to detail.
• Excellent communication skills and ability to work collaboratively in a team environment.
• Self-motivated with the ability to manage multiple projects and meet deadlines.

Roles and Responsibilities:

• Developing new user-facing features using React.js
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Experience with RESTful APIs
• Troubleshooting interface software and debugging application codes.
• Create database schemas that represent and support business processes.
• Implement automated testing platforms and unit tests.
• Optimize application for performance and speed.
• Implementation of security and data protection.
• Provide technical support to users.

Skills:

• At least 5 years of experience as a Java Developer or similar role
• Strong expertise in Java programming language and working Knowledge on Back-end technologies such as Spring/Spring Boot.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Familiarity with database technology such as MySQL, MongoDB.
• Good knowledge of Unit Testing.
• Experience with at least one of the Cloud Services such as AWS, GCP, Azure are plus.
• Familiarity with SCRUM methodologies
• Strong organizational and project management skills.
• Excellent verbal communication skills.
• Analytical and logical skills
• Good problem-solving skills.

Qualification:

• 3-4 years of experience working as a ReactJS Developer or in a similar role.

What we offer:

• Flexible working hours
• Up to 12 Lakh insurance
• Work life balance

Reverate Tech is a product and service-based start-up, working with International Clients. Our services include Data Engineering, Web Development, BI/Data Warehousing, Enterprise Application Implementation (ERP/CRM), and NetSuite. Our product portfolio has business apps in the domain of ERP, Auto Service, and Personal Safety.

This is an exciting opportunity to work as a full-stack developer for our client SellerX.

The ideal candidate will efficiently and quickly write code in a timely and scalable way in order to improve the code-base of the company's products in meaningful ways. This candidate will be able to test the code and make adjustments where necessary.

Your background:  

• 3+ years of experience working with PHP (preferably with Symfony) 
• Understanding OOP principles & familiarity with best design practices 
• Experience with JavaScript, Angular 
• Technically proficient in SQL (preferably MySQL or MariaDB) 
• Experience with NoSQL database 
• Experience with Docker 

We would consider it a plus if:  

• You have some experience with Python or are willing to learn 
• You have basic knowledge of message brokers such as RabbitMQ 
• You have some experience working with AWS: RDS, S3, EC2, and Lambda functions 
• Experience with search engines like Elastic Search or Solr

Benefits:

• 100% remote-working;
• Flexible working hours;
• Development of your personal strengths in a dynamic environment;
• An attractive and varied job with a high level of personal responsibility;
• A collegial togetherness and a modern management style/startup;

About our client

SellerX buys and builds Amazon businesses, helping entrepreneurs realize the next stage of their businesses and their lives. SellerX is the 3rd fastest-growing startup in Europe. Already a unicorn (1 billion euros in evaluation), SellerX plans to be a Decacorn in the coming 2-3 years.

https://sellerx.com/

1. Interested? Join us and start your learning and growth journey.

• Working directly with clients to understand requirements for a green field development
• Designing the technology and cloud infrastructure architecture to achieve the functional and nonfunctional requirements
• The product you will be working on needs to scale up to support millions of users an efficient micro service distributed architecture
• Solution needs to be easy to deploy and manage on multiple cloud providers (AWS, GCP or Azure)
• Mentoring, guiding and training the team on various technology, quality and security aspects
• Guiding the team to implement automated CI/CD processes
• Strong analytical, problem solving and data analysis
• Excellent communication, presentation and interpersonal skills are a must
• Micro service frameworks such as Java SpringBoot
• Design and implement automated unit and integration tests
• Writing scalable, robust, testable, efficient, and easily maintainable code
• Familiarity with most AWS Services - EC2, ECS, RDS, ECR, S3, SNS, SQS, and more
• Experience with Docker and Kubernetes
• Deploying and Scaling microservices to AWS
• Hands-on experience with AWS cloud platform in evaluation and cost estimation