Full Stack .NET Engineer

Biller Genie

• $95K — $115K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • BSc or MSc in Computer Science or related field, or equivalent commercial experience in C#/Java
  • 3+ years of experience with .NET development and C# (ASP.NET MVC)
  • Knowledge of Design Patterns and refactoring techniques
  • Experience with AI coding assistants and agentic engineering workflows
  • Familiarity with building web services using Web API
  • Understanding of database design and development
  • Proficient in HTML, JavaScript, CSS, including jQuery
  • Strong problem-solving skills and attention to detail
  • Excellent interpersonal and communication skills
  • Experience with cloud technologies (Azure, AWS, GCP)
  • Familiarity with source control tools (TFS, SVN, GIT)

Responsibilities

  • Design and build scalable solutions that align with business growth.
  • Collaborate with senior engineers to manage project timelines and expectations.
  • Gather requirements and ensure timely software releases.
  • Adapt quickly, balancing speed and efficiency in development work.
  • Assist technical support in identifying and fixing bugs.
  • Develop features using agentic tooling for enhanced development processes.
  • Contribute to team knowledge with prompts and workflow improvements.
  • Perform additional tasks as directed by management.

Benefits

  • Comprehensive Medical, Dental, and Vision Plans
  • 401k with up to 4% company match
  • Flexible open paid time off (PTO)
Full Job Description
Job Title: ExperiencedFull Stack .NET Engineer
Location: Orlando, FL
Work Arrangement: Full-time, In-Office

Position Overview: We are seeking experienced AI-enabled .NET full-stack engineers who can quickly understand our existing codebase and significantly contribute to the development of complex, innovative solutions in our fast-paced fintech environment. As a key member of our engineering team, you will take ownership of significant features, driving them from conception to deployment. We need a versatile 'Swiss Army Knife'-a engineer who is comfortable across the entire SDLC, from architectural design and implementation to testing and deployment. Your experience and expertise will be vital in delivering high-quality, robust solutions. Join our growing team and make a substantial impact on our platform!

Primary Job Responsibilities:
  • Design & build future-proof solutions to support growing business needs while thoroughly considering the system impact
  • Work closely with our senior 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
  • Build and deliver features through agentic tooling - designing, iterating on, and improving our custom skills, agents, and harnesses as part of the work
  • Contribute prompts, skills, and workflow improvements back to the team so our AI-enabled developer experience compounds
  • Perform other duties required by Management

Essential Criteria:
  • BSc or MSc in Computer Science / related qualification OR commercial experience of developing in C#, Java or other OO programming languages
  • Minimum 3 years of hands-on commercial experience programming on the .NET platform using C#, including ASP.NET (MVC)
  • Experience with Design Patterns, refactoring, OO Design and related areas
  • Practical hands-on experience with AI coding assistants and agentic engineering workflows, and a genuine appetite to work primarily through agents - owning architecture, review, and quality rather than typing every line
  • Exposure to building web services using Web API
  • An understanding of 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)

Desirable Criteria:
  • Experience with Azure Functions and Queues
  • Experience building custom agent skills, harnesses, MCP servers, or prompt libraries
  • Experience defining evals, guardrails, or review practices for AI-generated code
  • Experience in testing methodologies
  • 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
  • Proficient with Claude or Claude Code
  • Experience in Financial services industry

What We Offer:
  • Comprehensive Medical, Dental, and Vision Plans
  • 401k with up to 4% company match
  • Flexible open paid time off (PTO)

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