Senior Backend Developer

LRR Technologies is currently hiring talented professionals to work with Kidde Global Solutions. Kidde Global Solutions is a world leader in fire and life safety solutions tailored for complex commercial facilities and homes.

About the Role:

Kidde Global Solutions is hiring an experienced Senior Backend Platform Developer for the Aritech Engineering Team. The role will design, modernize, and maintain backend services, enterprise application components, messaging frameworks, real-time communication, video integration, and device communication layers supporting access control, intrusion, and security management products.

Role Overview:

The developer will work with C#, ASP.NET Core, ASP.NET Zero, ABP.io, SQL Server, RabbitMQ, C++, Boost, IIS, SignalR, RTSP and WebRTC. The role owns platform components from technical design and implementation through testing, deployment, monitoring, maintenance, and production support. A key responsibility is modernizing existing components from ASP.NET Zero to ABP.io while preserving security, reliability, performance, scalability, and maintainability.

Key Responsibilities:

Backend Development

• Design and develop scalable backend services, REST APIs, business logic, data-access components and integration modules.
• Develop and maintain enterprise applications using C#, ASP.NET Core, ASP.NET Zero, ABP.io and SQL Server.
• Contribute to ASP.NET Zero-to-ABP.io modernization and migration activities.
• Apply object-oriented design, modular architecture, design patterns, and clean coding practices.

Messaging and Real-Time Integration

• Design RabbitMQ-based asynchronous messaging, event-driven workflows, and distributed processing mechanisms.
• Develop SignalR-based services for alarms, notifications, events, status updates, and operational monitoring.
• Optimize message delivery, event processing, resiliency, fault handling, and system responsiveness.

Platform and Infrastructure Services

• Deploy, configure, and support ASP.NET applications and backend services hosted on IIS.
• Manage security settings, certificates, performance tuning, logging, monitoring, diagnostics, and recovery.
• Support CI/CD pipelines, automated builds, release management, and production deployments.
• Troubleshoot application, server, network, database, and deployment issues.

Device and Protocol Integration

• Develop and maintain C++ services, native libraries, communication modules, and protocol-handling components.
• Use Boost for networking, threading, asynchronous processing, messaging, and system-level operations.
• Integrate controllers, panels, security devices, cameras, and field hardware.
• Resolve protocol, communication, synchronization, performance, and stability issues.

Video and Streaming Services

• Integrate video-management and surveillance systems using RTSP-based streams.
• Develop and support WebRTC services for secure, low-latency browser video delivery.
• Support video monitoring, event correlation, alarm verification, and associated-camera workflows.
• Troubleshoot stream connectivity, conversion, latency, and browser-delivery issues.

Application Support and Collaboration

• Monitor system health, availability, performance, reliability, and scalability; maintain logging, auditing, tracing, and alerts.
• Apply secure coding practices and protect credentials, certificates, tokens, keys, and configuration secrets.
• Perform root-cause analysis and drive corrective actions, technical-debt reduction, and continuous improvement.
• Collaborate with Product Management, Architecture, QA, DevOps, UI/UX, and global engineering teams.
• Participate in design reviews, code reviews, technical planning, testing, releases, and documentation.

Required Skills:

Core Backend Development

• 8-12 years of software development experience.
• Strong experience in C#, ASP.NET Core, and REST API development.
• Experience with ASP.NET Zero and/or ABP.io.
• Good knowledge of SQL Server and Entity Framework Core.
• Strong understanding of software design principles and clean coding practices.

Messaging & Platform Technologies

• Experience with RabbitMQ or similar messaging platforms.
• Experience with SignalR, WebSockets, or real-time communication technologies.
• Strong experience in C++ development.
• Experience using Boost libraries.
• Understanding of TCP/IP, networking, multithreading, and asynchronous programming.

Infrastructure & Engineering Practices

• Experience deploying and supporting applications on IIS.
• Experience with Git, Bitbucket, SVN, and Jira.
• Experience working in Agile/Scrum environments.
• Familiarity with CI/CD, automated testing, and code quality practices.

Preferred Skills

• Experience migrating applications from ASP.NET Zero to ABP.io.
• Experience with RTSP and WebRTC technologies.
• Experience integrating controllers, alarm panels, cameras and field devices.
• Exposure to Angular and TypeScript.
• Knowledge of OAuth 2.0, OpenID Connect and secure API design.
• Experience with Windows Services and distributed systems.
• Experience in access control, intrusion, video surveillance, or physical security platforms.

Education:

Bachelor's or master's degree in computer science, software engineering, electronics engineering, or a related discipline.

Perks and Benefits:

The position will pay quite well - Rs. 20 - 30 lakh per annum is the band, and the final amount may be even higher depending on your experience and expertise.

If made an offer, you will need to join in 4 weeks.

This is the opportunity of a lifetime for people looking to specialize in highly coveted niche futuristic skills, and to work in a top multinational company with excellent employee-first initiatives. We look forward to your application.