C# Senior Full-Stack Software Engineer

Join Breadcrumb and help transform the construction industry through technology.

At Breadcrumb, we’re on a mission to make safety and compliance effortless for the construction industry. Our platform is already trusted by hundreds of thousands of workers worldwide, and we’re growing - fast. To support our growth and help level-up our product, we’re looking for another Senior Full-Stack Software Engineer with strong experience in .NET or C# to join our passionate and collaborative team.

WHAT YOU'LL DO

As a Senior Engineer, you’ll play a pivotal role in shaping our product and technology.

You will:

• Design and build single-page applications using frameworks like React and Angular
• Develop and maintain APIs and backend workloads
• Collaborate closely with engineers, designers, and product teams to deliver real customer value
• Mentor and upskill teammates, fostering a culture of growth and learning
• Improve our processes, tooling, and architecture to support scale
• Think holistically about the impact of your work on the business and customers

WHAT WE'RE LOOKING FOR

We’d love to hear from you if you have:

• Proven ability to carry a feature from start to finish: prototypes, design specs, constructive coding, and bug fixing
• Strong experience in the fundamentals of web and backend development
• Strong experience with .NET & C#
• Strong experience with React (and TypeScript)
• Experience connecting frontends to backends
• Experience reading and writing SQL
• Experience with Unit and UI testing
• A proactive communicator with excellent written and verbal communication skills with great attention to detail
• A collaborative working style and appreciation for agile environments — able to coach, learn from, and work with developers of all skill levels
• Ability to discuss technical problems and solutions with both technical and non-technical people
• Ability to break large pieces of work into small, shippable units of value, developing simple, evolvable architectures that prioritise learning over perfection
• Ability to think holistically about the impact of your work on the business, not just the dev team
• A desire and openness to learn and master varied technologies — we continuously evolve our stack and aim to choose the best tools for the job
• Align with our Values of being a go-getter, making meaningful connections with a variety of stakeholders and being a multiplier to amplify and elevate those around us for collective success.

Bonus skills (nice to have but not deal breakers):

Experience with:

• GraphQL
• SST, Pulumi or Terraform
• Using & configuring NX
• Flutter
• Azure

WHY YOU'LL LOVE WORKING WITH USImpact at scale: Your work will directly support hundreds of thousands of construction workers globally.

Collaborative culture: Work alongside a talented, supportive team where ideas are valued and your input will truly be sort after. Our team work towards shared goals and celebrate collective success.

Growth opportunities: As we scale, you’ll grow too — shaping not just our product but also our engineering culture. We have a dedicated growth and development budget for every member of our team and are genuinely invested in setting our teams up for success.

Flexible, modern environment: We value autonomy, continuous learning, and building for the future. We also have a number of initiatives to promote healthy wellbeing amongst our team including great flexibility options, a wellness spend for each team member, an EAP provider and paid mental health leave.