Sr.Full Stack Software Engineer(Architecture Focus)

Qualifications

8+ years of professional in Full Stack software development experience with proven exposure to system architecture, solution design, and end-to-end application development

Bachelors degree or equivalent in Computer Science Engineering or Information Technology

Role Purpose :

We are seeking an experienced Senior Full Stack Engineer (Architecture Focus) to join our dynamic product engineering team. The ideal candidate will combine hands-on coding expertise with strong architectural design skills , leading the development of scalable, secure, and high-performance web applications from the ground up.

We're building digital storefronts that deliver merchant-branded shopping experiences directly inside partner wallet and super apps. These storefronts are web-based interfaces hosted by us and displayed within a WebView in the partner's native mobile app. We integrate with partner SDKs and APIs to handle payments, user authentication, and session management seamlessly. Our engineering team is focused on developing a flexible and secure platform that supports multiple integration models and enables merchants to create customized user interfaces tailored to their brand and customer needs.

Key Responsibilities

System Design & Architecture

Design scalable, distributed systems and microservices architectures

Create system architecture diagrams and technical specifications

Participate in architectural discussions and technical decision-making

Design for high availability, performance, and fault tolerance

Plan system scalability and capacity requirements

Architect end-to-end solutions that seamlessly integrate frontend and backend systems

Handle data flow and API integration between frontend and backend services

Optimize application performance across the full stack

Implement monitoring, logging, and error handling strategies

Frontend Development

Develop responsive, user-friendly web interfaces using modern JavaScript frameworks

Work primarily with Vue.js / React.js / Angular for new projects and feature development

Maintain and enhance existing applications built with Vue.js / React.js / Angular

Collaborate with UX / UI designers to implement pixel-perfect designs

Ensure cross-browser compatibility and mobile responsiveness

Implement state management solutions and optimize frontend performance

Develop and maintain frontend unit tests and integration tests

Backend Development

Design, develop, and maintain robust Java-based applications using Spring MVC

Build and optimize RESTful APIs and microservices architectures

Implement security best practices including authentication, authorization, and data protection

Design and work with relational databases (MySQL, PostgreSQL, Oracle) including complex schema design

Optimize database performance through query tuning, indexing strategies, and database design

Implement caching strategies and performance optimizations

Write comprehensive unit tests and perform thorough development testing

Other Responsibilities

Mentor junior developers and conduct code reviews

Contribute to technical documentation and best practices

Collaborate with DevOps teams on deployment and infrastructure decisions

Key Skills and Competencies

Solid experience with at least one modern frontend framework (Vue.js, Angular or React)

Strong JavaScript, HTML5, and CSS3 skills

Strong expertise in Java or other OOP languages with deep understanding of object-oriented programming principles

Extensive experience with Spring Framework, including Spring MVC and / or Spring Boot

Strong expertise in relational databases (MySQL, PostgreSQL, Oracle)

System design experience with ability to architect scalable, distributed systems

Experience with testing frameworks (JUnit, Jest, Cypress)

Experience with RESTful API design and implementation

Experience with service-oriented architecture

Experience integrating with third party web services across a variety of technologies, e.g. REST, SOAP, SMPP

Experience with some (or all) of the following technologies / frameworks / tools : JMS, JPA / Hibernate, Jersey, Jetty, Kubernetes

Experience using agile methodologies and tools

Experience with microservice architecture

Experience with cloud platforms (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes)

Understanding of version control systems (Git)

Knowledge of build tools (Maven, Gradle) and frontend build processes (Webpack, Vite)

Collaborate closely with QA team to develop effective test cases and provide support with technical expertise during QA testing

Strong problem-solving and analytical thinking abilities

Excellent communication skills and ability to work in a collaborative team environment

Self-motivated with ability to work independently and manage multiple priorities

Willingness to learn new technologies and adapt to changing requirements

Strong attention to detail and commitment to code quality

Experience mentoring junior team members