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Senior Backend Developer - Job Opportunity at Rapsys Technologies

Remote, IN
Contract
Senior
Posted: July 7, 2025
Remote
USD 85,000 - 120,000 per year based on senior-level backend development experience in India's technology market, with potential for higher compensation given the specialized e-commerce domain expertise and comprehensive technology stack requirements

Key Responsibilities

Architect and optimize Java/Spring Boot microservices ecosystem that drives core e-commerce operations, directly impacting revenue generation and customer experience across product catalogs, order processing, and payment systems
Design and implement scalable backend systems capable of handling high-volume concurrent transactions during peak business periods, ensuring business continuity and revenue protection during critical sales events
Lead database architecture and optimization initiatives for both relational and NoSQL systems, managing complex data relationships that support millions of products and customer interactions
Develop and maintain comprehensive API ecosystems including RESTful and GraphQL endpoints that serve as the foundation for multi-platform digital commerce experiences
Implement enterprise-level security and compliance frameworks including PCI DSS and GDPR requirements, protecting both business operations and customer trust
Drive performance optimization and monitoring strategies that proactively identify system bottlenecks and ensure optimal user experience during traffic spikes
Collaborate with cross-functional teams including data scientists, product managers, and DevOps to deliver integrated solutions that align with business objectives and technical excellence

Requirements

Education

Bachelor's/Master's degree in Computer Science or related field

Experience

5+ years of backend development experience with proven track record

Required Skills

Java: Deep proficiency with Java 8+, JVM internals, performance optimization Spring Boot: Comprehensive experience with Spring ecosystem (Security, Data, Cloud, Integration) Databases: Strong SQL skills, JPA/Hibernate, database optimization NoSQL: Experience with Redis for e-commerce data APIs: RESTful API design and GraphQL expertise, authentication, rate limiting, documentation Microservices: Service decomposition, inter-service communication, distributed systems AWS Cloud Platform: Experience with AWS services including auto-scaling and load balancing Containerization: Docker, Kubernetes for microservices deployment Message Queues: Kafka, ActiveMQ for asynchronous communication DevOps: GitHub Actions for CI/CD pipelines, Infrastructure as Code, DataDog for APM monitoring Understanding of order management, payment processing, inventory systems Knowledge of e-commerce metrics (conversion rates, cart abandonment, CLV) Strong analytical and problem-solving abilities Excellent communication with technical and business stakeholders Experience mentoring junior developers
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Sauge AI Market Intelligence

Industry Trends

E-commerce backend development is experiencing unprecedented demand as businesses accelerate digital transformation initiatives, with microservices architecture becoming the standard for scalable online retail platforms. The shift toward headless commerce and API-first approaches is driving significant investment in backend infrastructure capabilities. Cloud-native development practices are becoming mandatory for e-commerce platforms, with containerization and serverless architectures gaining prominence to handle variable traffic loads and optimize operational costs. Companies are increasingly adopting multi-cloud strategies to ensure business continuity and performance optimization. The integration of AI and machine learning capabilities directly into backend systems is transforming e-commerce operations, with real-time personalization, fraud detection, and predictive analytics becoming core backend responsibilities rather than separate services. Regulatory compliance requirements including GDPR, PCI DSS, and emerging data privacy laws are significantly impacting backend architecture decisions, requiring developers to embed privacy-by-design principles and compliance frameworks into core system architecture.

Role Significance

Typically works within a 6-12 person engineering team structure, collaborating closely with 2-3 other backend developers, 2-3 frontend developers, and cross-functional partners in DevOps, data science, and product management
This is a senior-level individual contributor role with significant architectural influence and technical leadership responsibilities, requiring autonomous decision-making on system design and technology choices that directly impact business operations and revenue generation

Key Projects

Large-scale microservices migration and optimization projects that modernize legacy e-commerce systems High-availability system architecture implementations for handling seasonal traffic spikes and promotional campaigns Payment gateway integration and financial transaction processing system development Real-time inventory management and order fulfillment system optimization API gateway and service mesh implementation for complex distributed systems

Success Factors

Deep technical expertise in Java ecosystem combined with practical experience in high-volume e-commerce environments, enabling rapid problem-solving and system optimization under pressure Strong architectural thinking and system design capabilities that can balance immediate business needs with long-term scalability and maintainability requirements Excellent cross-functional collaboration skills to work effectively with product managers, designers, and business stakeholders while translating technical complexity into business value Proactive monitoring and performance optimization mindset that anticipates system issues before they impact customer experience or business operations Continuous learning approach to stay current with evolving e-commerce technology landscape and emerging architectural patterns

Market Demand

Very High - Senior backend developers with e-commerce and microservices expertise are in exceptional demand as companies prioritize digital commerce infrastructure and scalable system architecture

Important Skills

Critical Skills

Java and Spring Boot expertise is absolutely essential as these form the core technology stack for all backend development work, with deep understanding of JVM internals and performance optimization being crucial for handling high-volume e-commerce traffic Microservices architecture and distributed systems knowledge is critical for designing scalable e-commerce platforms that can handle variable loads and maintain system reliability across multiple interconnected services Database optimization skills for both SQL and NoSQL systems are essential for managing large-scale product catalogs, customer data, and transaction processing with optimal performance characteristics API design and development expertise is crucial for creating the integration layer that connects frontend applications, mobile apps, and third-party services in complex e-commerce ecosystems

Beneficial Skills

Machine learning and data science integration skills are increasingly valuable as e-commerce platforms incorporate AI-driven personalization and recommendation systems directly into backend services DevOps and infrastructure automation expertise enhances career prospects as companies adopt continuous deployment practices and cloud-native architectures for e-commerce platforms Payment processing and financial technology knowledge provides specialized expertise that is highly valued in e-commerce environments and opens opportunities in fintech sectors Leadership and mentoring capabilities are valuable for career advancement toward technical leadership roles and team management positions

Unique Aspects

Comprehensive focus on e-commerce domain expertise combined with modern microservices architecture, offering deep specialization in a high-growth market segment
Strong emphasis on performance optimization and scalability challenges specific to e-commerce operations, providing exposure to complex technical problems and solutions
Integration of security and compliance requirements directly into core development responsibilities, offering valuable expertise in regulated technology environments
Opportunity to work with full spectrum of e-commerce technology stack including payment processing, inventory management, and customer analytics systems

Career Growth

2-4 years to senior technical leadership roles with continued specialization in e-commerce and distributed systems architecture

Potential Next Roles

Principal Backend Engineer or Staff Engineer roles focusing on technical leadership and architecture across multiple teams and products Engineering Manager positions leading backend development teams and technical strategy Solutions Architect or Technical Architect roles designing enterprise-level e-commerce platforms Technical Lead positions with responsibility for end-to-end system architecture and team mentorship

Company Overview

Rapsys Technologies

Rapsys Technologies appears to be a technology company focused on e-commerce solutions and digital commerce platforms, likely serving either enterprise clients or operating their own e-commerce properties with emphasis on scalable backend infrastructure

Positioned as a growing technology company with focus on modern e-commerce architecture and microservices-based solutions, indicating investment in current technology trends and scalable business models
Operating with remote-first approach in the Indian technology market, suggesting competitive positioning for accessing top-tier technical talent while maintaining operational flexibility
Technology-forward environment with emphasis on modern development practices, cross-functional collaboration, and technical excellence, typical of companies prioritizing scalable architecture and engineering best practices
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