The Role
The Lead Full-Stack .NET Developer will design scalable solutions, mentor engineers, manage requirements, ensure code quality, and support business needs in a fintech environment.
Summary Generated by Built In
Job Title: Lead Full Stack .NET Developer
Location: Belfast, Northern Ireland
Work Arrangement: Hybrid (In-Office)
We are seeking a Lead Full-Stack .NET Developer to provide architectural vision and strategic direction, guiding our team in efficiently understanding and extending our codebase. In this pivotal role, you will collaborate closely with Product and Engineering leadership to deliver innovative, scalable solutions in a dynamic fintech environment. As a technical leader, you’ll embody the 'Swiss Army Knife' ethos—excelling in all phases of the SDLC, from defining high-level architecture and future-proofing designs to hands-on development, mentoring, and ensuring code quality. Your expertise will be crucial in shaping our technical roadmap and driving our team to deliver exceptional results. Join us and lead the charge in building the future of fintech!
About Us: Recently ranked #259 on the Inc. 5000 fastest growing companies in the United States, Biller Genie is an award-winning B2B SaaS platform that is entering the Belfast market with ambitious plans to scale our team rapidly, with over 100 hires planned through 2026.
Primary Job Responsibilities:
Our Core Values:
Get Shit Done Right - We work hard and ensure tasks are completed correctly and on time, every time.
Own it - We are subject matter experts who know what we know, and we are confident enough to speak up when we see something wrong.
Catch Up - We are high performers and love a fast-paced environment.
Believe in the Genie - We are passionate about where we are going as a team, and we show we care.
Class Shines - We are articulate professionals who carry ourselves well and speak with purpose.
Please note we are unable to offer visa sponsorship.
Location: Belfast, Northern Ireland
Work Arrangement: Hybrid (In-Office)
We are seeking a Lead Full-Stack .NET Developer to provide architectural vision and strategic direction, guiding our team in efficiently understanding and extending our codebase. In this pivotal role, you will collaborate closely with Product and Engineering leadership to deliver innovative, scalable solutions in a dynamic fintech environment. As a technical leader, you’ll embody the 'Swiss Army Knife' ethos—excelling in all phases of the SDLC, from defining high-level architecture and future-proofing designs to hands-on development, mentoring, and ensuring code quality. Your expertise will be crucial in shaping our technical roadmap and driving our team to deliver exceptional results. Join us and lead the charge in building the future of fintech!
About Us: Recently ranked #259 on the Inc. 5000 fastest growing companies in the United States, Biller Genie is an award-winning B2B SaaS platform that is entering the Belfast market with ambitious plans to scale our team rapidly, with over 100 hires planned through 2026.
Primary Job Responsibilities:
- Design & build future-proof solutions to support growing business needs while thoroughly considering the system impact
- Mentor and lead our engineers to develop solutions from idea to implementation by estimating, planning, tracking and managing progress, risks, and dependencies.
- Gather and refine requirements, and release software in a timely fashion
- Be adaptive and strike a good balance between speed and efficiency
- Work with our technical support team to identify, reproduce, and remediate bug tickets
- Perform other duties required by Management
- BSc or MSc in Computer Science / related qualification OR commercial experience of developing in C#, Java or other OO programming languages
- Minimum 7+ years of hands-on experience programming on the .NET platform using C#, including ASP.NET (MVC)
- Expertise with Design Patterns, refactoring, OO Design and related areas
- Experience in Web API design principles and best practices
- Comfortable with database design and development
- Hands-on experience with HTML, JavaScript, CSS including jQuery
- Strong attention to detail and work ethic
- Strong analytical and problem-solving skills
- Excellent communication (both written and verbal) and interpersonal skills
- Experience of cloud technologies such as Azure/AWS/GCP
- Previous experience working with source control tools (TFS, SVN, or GIT)
- Experience leading / mentoring a small team of Engineers in all aspects of product development
- Legal right to work in the UK
- Experience with Azure Functions and Queues
- Hold a Cloud certification
- Experience in testing methodologies
- Experience in Financial services industry
- Experience of LEAN software development practices
- Knowledge of CI/CD systems and implementation practices
- Hands-on experience with front-end frameworks such as Bootstrap
- Knowledge on .NET Core and Entity framework Code First migrations
- Private health insurance
- Group life death benefit
- Auto-enrollment pension with employer contributions matched to 5%
- 25 days holiday per year
- 10 statutory/bank holidays per year
- Opportunities for professional growth and development
- A collaborative and innovative work environment
Our Core Values:
Get Shit Done Right - We work hard and ensure tasks are completed correctly and on time, every time.
Own it - We are subject matter experts who know what we know, and we are confident enough to speak up when we see something wrong.
Catch Up - We are high performers and love a fast-paced environment.
Believe in the Genie - We are passionate about where we are going as a team, and we show we care.
Class Shines - We are articulate professionals who carry ourselves well and speak with purpose.
Please note we are unable to offer visa sponsorship.
Top Skills
.Net
Asp.Net
AWS
Azure
C#
CSS
GCP
Git
HTML
JavaScript
Svn
Tfs
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The Company
What We Do
At Biller Genie, we are a team of dreamers on a mission to provide an automated, cloud-based accounts receivable platform that seamlessly integrates existing business processes for small and mid-sized businesses.
Our cloud-based solution automates your accounts receivable from bill presentment, follow up, collection, and reconciliation - without changing your current process.
- No new software to learn
- Integrates with your accounting software
- Keep your existing payment processor
The Genie integrates with your favorite accounting software, such as QuickBooks, Xero, or AccountingSuite. Our average subscriber gets paid 15 faster, reduces their overdue invoices by 40%, and save 10-20 hours of administrative work per week.
