Senior Java Developer

About the Role :

We are seeking a highly skilled Lead Software Developer with a strong background in SaaS product development and expertise in designing scalable, secure, and resilient systems. You will lead the technical architecture of our cloud-native platforms, manage cross-functional

engineering efforts, and implement best practices across backend, frontend, and infrastructure layers.

This is a leadership role based on-site in Jaipur and ideal for someone who enjoys solving complex system challenges and building high-impact software.

Key Responsibilities:

● Lead the design and implementation of scalable SaaS application architecture

● Architect and develop solutions using Laravel, NestJS, Node.js, and AWS

● Build and manage microservices and serverless infrastructure for high availability and maintainability

● Implement and manage asynchronous and parallel request handling for optimized system performance

● Design and scale load handling and queue management systems using BullMQ and Redis

● Develop and integrate real-time data workflows using webhooks and external APIs

● Configure and manage Node.js clusters for performance and fault tolerance

● Collaborate with frontend developers working on React and Vue.js to deliver seamless UI/backend integration

● Ensure code quality, observability, and maintainability across services

● Monitor, debug, and resolve issues in production using logs and performance tracking tools

● Drive CI/CD implementation, infrastructure automation, and DevOps practices

Required Skills & Qualifications:

● 5 - 7 years of experience in full-stack or backend software development

● Proven experience as a Lead Developer on SaaS products

● Proficient in Laravel, NestJS, and Node.js

● Deep understanding of BullMQ, Redis, and message/queue-based architectures

● Experience with asynchronous processing, parallel request handling, and load distribution

● Proficient in microservices and serverless architecture patterns

● Strong command of AWS (EC2, Lambda, RDS, S3, API Gateway, IAM, CloudWatch)

● Hands-on experience with webhooks, job queues, background tasks, and rate-limiting strategies

● Familiarity with Node.js cluster mode and scaling strategies

● Solid experience in debugging, tracing, and performance monitoring

● Frontend integration experience with React or Vue.js (please specify your exposure)

● Strong leadership, collaboration, and mentoring abilities

Preferred Skills (Nice to Have):

● Experience with Docker, Kubernetes, and CI/CD pipelines

● Exposure to event-driven architecture and multi-tenant SaaS platforms

● Familiarity with observability tools such as Grafana, Datadog, or New Relic

JOB RESPONSIBILITIES

• Drive, design, build and deliver end-to-end solutions using Agile and User Centered Design processes.
• Build a distributed system based on SOLID design principles, concurrency, and distributed data.
• Demonstrate experience  writing enterprise software applications for high frequency and low latency environments.
• Hit the ground running with a typical Java ecosystem (Spring & its sub-projects, dependency injection, maven, hibernate, etc.)
• Maintain quality, modularity and ensure responsiveness of applications.
• Be able to pick up new technologies along their whole development stack including non-java ecosystems.  
• Collaborate with the rest of the engineering team to design to launch new features.
• Collaborate with cross-functional teams to define, design.
• Work with third-party data-sources and APIs.
• Unit-test code for robustness.
• Work on bug fixing and improving application performance
• Maintain code integrity and organisation.
• Help maintain code quality, organisation, and automation.
• Build a culture of continuous learning and improvement.
• Have a desire to collaborate to share and learn from your colleagues.

JOB REQUIREMENTS

• Extensive experience and deep understanding in Java 8, including multithreading, data-structures and algorithms.
• Strong understanding of distributed architecture concepts, Design patterns, SOLID principles, 

SOA, Microservices, Cloud hosting solutions (preferably AWS).

• Good experience in developing REST API and Json, in Java backend applications.
• Hands on experience with SQL, NoSQL concepts.
• Test driven development, including unit test cases using any test framework (JUnit, spring-test, MockMvc), and end-to end testing.
• Excellence in writing and maintaining clear end-user documentation including API specifications, patterns, best practices, and data definitions, including Swagger.
• Good knowledge of GIT.
• Familiarity with continuous integration and build automation tools like Jenkins pipelines for Continuous Integration (CI)/ Continuous Delivery (CD), maven/Gradle
• Experience with Agile software development (e.g., SCRUM or KANBAN) and/ or User Centered design process.
• Experience in working with Angular 6+/ReactJS 16+ & Redux, JSP, HTML5, CSS3, jQuery and Javascript will be a plus.

• Designing and developing user interfaces using angularJS best practices.
• Adapting interface for modern internet applications using the latest front-end technologies.
• Writing JavaScript, CSS, and HTML.
• Developing product analysis tasks.
• Making complex technical and design decisions for AngularJS projects.
• Developing application codes and unit tests in AngularJS, Java Technologies, and Rest Web Services.
• Conducting performance tests.
• Consulting with the design team.
• Ensuring high performance of applications and providing support.

We are looking for a Full Stack Developer to produce scalable software solutions. You'll be part of a cross-functional team that's responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable around front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Too familiar with Agile methodologies.

Responsibilities

• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation

Requirements

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks like LAMP Stack and Mean Stack...
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. PHP, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, Statistics or relevant field

• Should be able to analyse requirements, design solutions, write code, debug code and modify existing software enhancements or develop new product software.
• Should be able mentor junior developers to perform their tasks more effectively and efficiently.
• Should be able to perform executions against project plans and meet delivery commitments.
• Should have good experience in source control, unit testing, code verification, documentation, automated build, continuous integration, metrics, and code reviews.
• May interact with product specialists / Project Managers / Product Owners to define system requirements and/or necessary modifications and to give status feedback.
• Should be able to work in an Agile Development Environment using SCRUM methodology.
• Should be able to communicate with other teams and stakeholders to achieve the given goal.
• Should be able to participate in the hiring processes.

Role & Responsibilities

• A Proven work experience as a Ruby on Rails developer with good understanding of Java script, jQuery, HTML, CSS. The individual will need to be hands on with development, performance optimisation, secure development process, usability, and coding standards of the product.
• Strong ROR development experience and follows best practices (test-driven development, continuous integration, SCRUM, refactoring, and code standards).
• Should have a mix of excellent reasoning ability to document, develop and test software with the commitment to excellence and defect free product before being deployed.
• Should be able to work closely with all stakeholders to investigate, fix, optimise, test, and deploy high quality solutions.
• Should have hands on understanding of technical design, implementation, and maintenance of technical initiatives towards improving and scaling of products.
• Self-motivated and should rapidly incorporate new requirements and deliver successfully by self.
• Effectively communicates with peers and stakeholders, gathers and clarify requirements from technical & functional aspect.

• Follows software development process; consistently innovates processes to improve individual and team productivity and quality.
• Strong Analytical, Problem Solving Skills and participates in all activities with urgency, should be result oriented and with strong work ethic.
• Experience with Agile development lifecycle with excellent understanding of feature estimation and ability to communicate issues and risks that may impact timelines or resources.

Desired Candidate Profile

• 4+ years of IT experience.
• At least 4 years commercial web development experience.
• At least 3 years of Ruby on Rails commercial development experience.
• Familiarity with Relational and Non Relation Databases ( Postgres, Mysql, MongoDb)
• REST API development.
• Familiarity with In Memory Database ( Redis, Memcache )
• Web development - HTML, HTML5 JavaScript, AJAX, CSS, jQuery, http, REST.
• AGILE/SCRUM development Experience.
• Development practices - Rails test framework / TDD / BDD, Domain Driven Design, SOLID, refactoring, OOP design patterns
• Expertise in version control system ( GIT )
• Candidate need to be comfortable dabbling with some basic infrastructure management on AWS.
• Familiarity with ( React, Vue ) is a plus.

• IIT/NIT Graduates Preferred
• B.E/B.Tech with 1-2 years of experience in Ruby on Rails
• Hands on experience with using libraries such as RSpec, Beanstalkd, Faye and   background processing.
• Good knowledge of at least one of the Javascript frameworks like EmberJS, AngularJS
• Have a background in functional composition of web pages using HTML / CSS, and  turning a wireframe design into a well-formatted, user-friendly responsive web page
• Follow best practices like test-driven development, continuous integration, Agile    methodology, refactoring and code standards
• Proficient understanding of code versioning tools e.g. Git, Mercurial or SVN
• Good knowledge of schema less databases such as Elastic search, redis as well as  Relational Databases such as PostgreSQL
• Excellent problem solving skills and bringing in new, innovative ideas to the table to  make the platform more productive
• Hands-on experience on deployment and maintenance of server (knowledge about AWS  and performance monitoring tools like NewRelic / CloudWatch will be a great plus)
• Should be committed to the job and the growth opportunity in a startup
• Should enjoy working as part of a team
• Should be  proactive, self-driven, and able to thrive in a fast-moving startup environment 
• Should communicate fluently and effectively in English, internally and with external partners