Senior .NET Developer

Plan A Technologies is looking for a Senior .NET Developer. In this role, you will be responsible for designing, building, and maintaining high-performance desktop and web applications, with a specific focus on specialized Witness Kiosk Platforms (WKP).

You will work across the full stack: from crafting sleek, highly responsive user interfaces to architecting robust backend microservices and managing real-time data flows. The candidate thrives in a collaborative environment, loves solving intricate architectural challenges, and possesses a sharp analytical mind for deep-dive troubleshooting.

Please note: you must have at least 5+ years of professional experience with .NET (C#) and 3+ years with WPF, Blazor for the Frontend/Desktop.

JOB RESPONSIBILITY

• Application Development: Design and develop scalable, high-quality applications using the .NET ecosystem, balancing modern web technologies with robust desktop solutions tailored for kiosk environments.
• UI/UX Implementation: Build rich, secure, and responsive desktop user interfaces using WPF and modern web-based frontends using Blazor.
• Architecture & Patterns: Implement clean architecture principles and decoupled application logic leveraging MediatR (CQRS pattern) and real-time communication via SignalR.
• Data Management: Design, optimize, and maintain database schemas, queries, and replication across both SQL Server and PostgreSQL using Entity Framework.
• API Design: Build and consume secure, highly performant REST APIs to connect internal systems and third-party hardware peripherals.
• Collaboration: Participate in code reviews, troubleshooting Production issues, read and diagnosticate issues form logs.

• 5+ years of professional experience with .NET (C#) and 3+ years with WPF, Blazor for the Frontend/Desktop.
• Strong experience with: Architecture/Messaging (MediatR, SignalR), ORM & Databases (Entity Framework, SQL Server, PostgreSQL) and Integration(REST APIs).
• Advanced Troubleshooting & Resolution: Root-cause analysis skills. Methodical approach to debugging complex, distributed systems, isolating issues efficiently between hardware, software, and network layers.
• Ability to articulate complex technical concepts to non-technical stakeholders and collaborate effectively across cross-functional teams.
• Comfortable shifting focus between legacy desktop environments and modern web-based architectures while maintaining high standards under tight timelines.
• Must possess excellent written and verbal communication skills, attention to detail, and ability to follow instructions accurately.
• Advanced problem-solving abilities, research, and learning skills.
• Ability to work with teams in multiple countries.
• Initiative and drive to do great things.

• WKP Technologies: Direct experience designing, developing, or maintaining Witness Kiosk Platforms or similar specialized public-facing hardware/software kiosk systems.
• Gaming Industry Experience: Experience developing or optimizing systems within the gaming, casino, or simulation sectors (e.g., handling high-throughput data, low-latency rendering, peripheral integration, or real-time state synchronization).

Plan A Technologies is an American software development and technology advisory firm that brings top-tier engineering talent to clients around the world. Our software engineers tackle custom product development projects, staff augmentation, major integrations and upgrades, and much more. The team is far more hands-on than the giant outsourcing shops, but still big enough to handle major enterprise clients.

Read more about us here: www.PlanAtechnologies.com

Location: Work From Home 100% of the time, or come in to one of our global offices. Up to you.

Great colleagues and an upbeat work environment: You'll join an excellent team of supportive engineers and project managers who work hard but don't ever compete with each other.

Benefits: You’ll get a generous vacation schedule, Brand New Laptop, and other goodies.

If this sounds like you, we'd love to hear from you!