Job Description
Overview
We are a well-established company with over 25 years in our industry, now entering a new phase of technical growth. We are looking for a Senior Software Engineer to strengthen our engineering capability and support the evolution of our core systems.
This is a hands-on role across the stack in a small, highly capable team, working closely with the Technical Lead to maintain, improve, and modernise a mature, production-critical platform.
The Role
Our systems are business-critical, designed for performance, reliability, and scalability. You’ll be balancing maintenance, new development, and modernisation, making a real impact on the platform every day.
You will:
* Own key systems and features end-to-end
* Work across multiple codebases and technologies
* Modernise existing platforms without breaking them
* Contribute to architectural decisions and technical direction
* Balance building new features with improving existing systems
What You’ll Do
Here’s where your skills will shine:
* Core Systems: Maintain and evolve production systems, modernise legacy components, and support the transition from monolithic to distributed architecture
* Backend & APIs: Build and maintain high-performance services using C#/.NET and Python
* Databases: Work with relational and NoSQL databases, optimising SQL queries for performance and reliability
* Embedded & Device Software: Develop practical device software with C, C++, Python, and shell scripting
* Testing & Quality: Write unit and integration tests to ensure system reliability
* Operations & Reliability: Support deployments, monitor system health, and contribute to smooth day-to-day operation using tools such as Grafana
Technology Stack
* Applications & APIs: C#/.NET (4.7, 8, 9), Python, SQL Server, MongoDB, JS/TS, WinForms
* Embedded & Devices: C, C++, Python, C for microcontrollers, shell scripting
* Cloud & Infrastructure: Google Cloud, Microsoft Azure, Docker, Linux
You don’t need to be an expert in everything — this reflects a long-lived, evolving platform.
Skills & Experience
Essential:
* Strong experience building and maintaining production software
* Commercial experience with C#/.NET
* SQL and relational database knowledge
* Comfortable across existing codebases and legacy systems
* Independent, collaborative, and pragmatic
Desirable:
* Python in production
* C/C++ commercial or systems experience
* Embedded/device software development
* Docker, cloud platforms, networking fundamentals
* JS/TS and modern web frameworks (Angular, React)
* IoT or hardware-integrated systems
Why Join Us
* Influence architecture and long-term technical direction of a proven product
* Work closely with senior technical leadership on real-world systems
* Enjoy autonomy, trust, and responsibility
* Play a key role in the next phase of technical evolution