Senior FullStack Engineer

• Build and ship reliable features for a prepaid card and payments platform using AI-assisted development
• Write implementation plans and direct AI coding agents
• Review agent-generated code and diffs
• Debug issues and improve incorrect AI-generated code
• Validate changes through testing, including a negative test and a test confirming the real user flow still works
• Work across backend, frontend, databases, cloud infrastructure, and payment integrations
• Identify risks such as double debits, failed refunds, and cross-customer data access
• Read unfamiliar code and assess its quality
• Collaborate with clients whose systems are delivered through thinkOne, think bridge's engineering and delivery platform
• Take software into production and check work before release

• 4–6 years of experience as a Full Stack Engineer
• Strong hands-on experience with C#/.NET 8–10
• React
• TypeScript/JavaScript
• SQL
• API development
• Real-world experience using AI coding tools such as Claude Code, Cursor, Copilot, or Codex; Claude Code is the primary development tool
• Ability to read and review code not personally written and distinguish good from bad
• Ability to debug independently across both sides of an API call
• Backend experience with C# on .NET 8–10, Azure Functions isolated worker, older layered ASP.NET APIs, EF Core, and Dapper
• Front-end experience with React for web, React Native with TypeScript for iOS and Android, Angular with TypeScript for partner portals, Node, and Jest
• Data experience with MySQL, SQL Server, Cosmos DB, Azure Cache for Redis, and queues
• Infrastructure experience with Azure Functions and App Services, Key Vault, App Insights, Terraform, Bitbucket Pipelines, and private NuGet packages on Azure Artifacts
• Experience integrating card processors, payment and payout partners, identity verification, and SMS, email, and push providers
• Careful handling of money and data, including consideration of payment timeouts, duplicate debits, refunds, and unauthorized data access
• Payments or card-issuing experience, PCI awareness, and security review experience are good to have

• Work from anywhere
• Flexible schedule; shape your day around your life as long as work is delivered on time
• Take time off when needed
• Company-provided work laptop configured according to security guidelines
• In-person team weeks to work side by side
• Learning time during working hours
• Paid certifications
• Opportunities to move into a different role inside think bridge
• Long-term client relationships providing in-depth business knowledge
• Great Place to Work Certified employer
• Employee NPS above 90