Software Development Engineer

DynPro Inc. is seeking a Senior Software Development Engineer with strong backend or full-stack expertise to build a scalable, secure, and real-time messaging platform. The role involves developing production-grade chat and notification systems that support seamless communication experiences while ensuring high availability, low latency, and data security.

Responsibilities:

• Design, develop, and maintain scalable backend or full-stack applications
• Build real-time chat and messaging functionality using modern communication technologies
• Develop reliable messaging infrastructure supporting notifications, message delivery, read receipts, attachments, and presence
• Design and implement event-driven, distributed system architectures
• Build highly available, fault-tolerant services with strong performance and scalability
• Integrate messaging platforms with CRM, customer support, or contact center solutions
• Collaborate closely with product managers, designers, and cross-functional engineering teams
• Ensure application security, privacy, and compliance for sensitive customer communications
• Optimize cloud infrastructure, application performance, and system reliability
• Participate in architecture discussions, code reviews, and technical design decisions

Requirements:

• 5+ years of software engineering experience in backend or full-stack development
• Strong experience building production-scale real-time messaging, chat, or notification systems
• Hands-on experience with WebSockets or similar real-time communication technologies
• Strong knowledge of distributed systems and event-driven architectures
• Experience designing scalable microservices and REST APIs
• Solid experience with AWS cloud services
• Strong understanding of messaging reliability, durability, and low-latency system design
• Experience building secure, high-performance applications
• Proven ability to independently deliver end-to-end software solutions
• Excellent communication and collaboration skills
• Experience with Amazon Connect, Salesforce, or similar customer engagement platforms
• Experience in fintech, banking, or other regulated industries
• Knowledge of messaging platforms, chat applications, or notification infrastructure
• Experience building consumer-facing communication products
• Familiarity with high-availability patterns such as caching, failover, and resilience engineering
• Bachelor's or Master's degree in Computer Science, Engineering, or a related field
• Strong problem-solving and system design skills
• Experience delivering cloud-native applications in AWS
• Ability to thrive in a fast-paced, product-driven engineering environment with minimal supervision