.Net Software Engineer

About Us At BidX1, we're changing the way property is bought and sold. We’re disruptors – BidX1’s digital auction platform connects users across the globe with real estate opportunities in four markets and enables them to complete the entire purchase online using technology developed in Dublin. We’re high-growth – BidX1 held the first online auctions in Ireland in 2015 and by 2019, we had expanded to other markets.

We’ve sold more than 14,000 properties to date, raising more than €3 billion, with bidders from more than 60 countries. We’re sustainable – BidX1 has been carbon neutral since 2019, joined the UN Global Compact in 2021, and submitted our first report to the Carbon Disclosure Project in 2022. We’re good at what we do – BidX1 has been recognised by Deloitte as a ‘Best Managed Company’, received backing from Enterprise Ireland, and won numerous awards including a KPMG Property Excellence Award, an Irish Times Innovation Award, and an Estates Gazette Tech Award.

But that’s enough about us – we’d like to meet you! The Role We are looking for an experienced .NET Software Engineer to play a key role in the design, development, and evolution of BidX1’s core platforms and partner-facing products. This role sits at the heart of our engineering team and will work closely with Product, DevOps, QA, and stakeholders to deliver scalable, secure, and high-performance systems used across multiple international markets.

The ideal candidate is a strong full-stack engineer with solid architectural thinking, a pragmatic mindset, and a passion for building reliable, maintainable software, and will play a key role in designing, building, and maintaining scalable software solutions in a collaborative and fast-paced environment. Key Responsibilities Design, build, and maintain high-quality, scalable software solutions across BidX1’s core auction platform and partner products. Contribute to system architecture decisions, ensuring solutions are secure, performant, and future-proof.

Collaborate with product owners, designers, and other developers to translate business requirements into technical solutions. Contribute to development of APIs and integrations with third-party and partner systems. Work across the full stack, from backend services to front-end applications where required. Participate in code reviews and contribute to continuous improvement of development standards and refactoring, optimisation, and technical debt reduction.

Troubleshoot, debug, and optimize application performance. Implement and maintain real-time features using technologies such as SignalR. Maintain documentation for developed solutions and processes. Write clean, testable, and well-documented code, including unit and integration testing.

Participate in code reviews, promoting best practices and high engineering standards. Work closely with QA to ensure reliable releases and smooth deployments. Required Skills & Experience 3–5 years of professional experience in C# and modern .NET (.NET core) & . NET Framework.

Knowledge of .Net C#, Blazor, SQL Server, Redis, Git, HTML, CSS, JavaScript, JSON, Visual Studio, Unit Testing, Integration Testing, Identity & Access Management. Experience building and consuming REST APIs and real-time systems (SignalR). Solid understanding of relational databases (SQL Server / PostgreSQL) and data modelling. Experience with front-end technologies such as Blazor, Angular, and React, or similar .

Familiarity with Microsoft Azure (e.g., App Services, Azure Functions, Storage, SQL, or DevOps, CI / CD). Experience with messaging, background processing, or event-driven systems is a plus. Strong grasp of software engineering principles, patterns, and SOLID practices. Strong problem-solving and analytical skills.

Strong debugging, troubleshooting, and performance optimisation skills. Experience working in Agile / Scrum teams. Comfortable with CI/CD pipelines and modern DevOps workflows. Focus on writing maintainable, production-ready code.

About You Highly self-motivated and proactive. Strong communication and collaboration skills. Detail-oriented with a commitment to quality. Willingness to learn and adapt to new technologies.