Mid-Level Software Developer – C# / Full Stack

Wasabi Design and Development; Brighton; On-site; GBP 40,000 - 45,000; Full time

Job summary

A well-established engineering business in Brighton is seeking a Mid-Level Software Developer specializing in C# and Full Stack development. In this role, you will have the opportunity to lead projects, develop dynamic APIs, and contribute to a collaborative team environment. Ideal candidates will have a strong background in building scalable applications and a passion for continuous learning. Join a tech-focused team that values innovation and your ideas will be heard.

Benefits

Generous holiday allowance

Private healthcare

Pension

Flexible hours

Birthday day-off

Qualifications

• 2+ years professional experience with C# and RESTful APIs.
• Strong knowledge of client/server architecture and full stack development.
• Experience with cloud services (Azure or AWS) and containerized deployments.

Responsibilities

• Build dynamic, responsive user interfaces using MVC and Flutter.
• Develop scalable APIs and business logic ensuring high performance.
• Participate in code reviews and contribute to system architecture.

Skills

C#

RESTful APIs

Cloud Services

Client/Server Architecture

Full Stack Development

TDD

Version Control (Git)

Tools

MS SQL Server

Job description

Mid-Level Software Developer – C# / Full Stack

Mid-Level Software Developer – C# / Full Stack

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About the Role

We are seeking a skilled mid-level C# Full Stack Developer to join our agile development team within a well-established engineering business based in Brighton.

In this role, you will work across the full stack - developing new features, refining existing functionality, and contributing to the future direction of our product. Your responsibilities will encompass C# frontend and backend development, Android app development, and some Flutter work, making this an ideal opportunity for someone comfortable transitioning between server-side and client-side tasks.

This position offers autonomy, the chance to see your work in production, and the opportunity to be part of a collaborative and friendly team that values innovation and growth.

Key Responsibilities

• Build dynamic, responsive user interfaces using MVC, Flutter, integrating seamlessly with backend APIs.
• Develop scalable APIs and business logic using C# ensuring high performance and security.
• Contribute to system architecture and tech decision-making
• Write clean, testable, maintainable code
• Optimise performance and scalability across the stack
• Ensure application-level security and data protection
• Participate in code reviews and knowledge sharing
• Work closely with the wider team to scope and deliver features
• 2+ years professional experience with C# and RESTful APIs
• Strong knowledge of client/server architecture and full stack development
• Experience with cloud services (Azure or AWS) and containerised deployments
• Familiar with TDD version control (Git), and CI/CD
• Proficient in working with MS SQL Server or similar relational databases.
• Experience with writing complex queries, optimising performance, and ensuring data integrity.
• Solid understanding of software development best practices and code quality

Bonus Skills (Nice to Have)

• Experience building Android apps (hybrid) with Flutter/Dart
• Familiarity with microservices and cloud-native architecture
• Background in H&S compliance or related sectors

• Good communication and teamwork skills

• Able to work independently and manage time well

• Curious, self-motivated, and open to learning

• Attention to detail, especially in testing and documentation

• Comfortable in a small, agile team environment

Why Work With Us?

We’re a small, tech-focused team within a stable and growing company. You’ll be joining a relaxed but productive environment where your ideas will be heard and your code will ship.

• Office in Brighton’s digital/tech hub

• Generous holiday allowance plus additional birthday day-off

• Private healthcare and pension

• Supportive team, flexible hours

To Apply

If this sounds like a good fit, we’d love to hear from you. Please send your CV and a short cover note explaining your experience and why you’re interested in the role.

Note: This role is open to registered UK-based candidates only.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Design Services

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