This is a remote position.

About thinkbridge

thinkbridge builds the business systems growing companies run on: ERP replacements, connected systems, AI agents inside real workflows and modernized legacy software. We have built custom software for growing companies for more than 12 years.

Today we deliver every system with thinkOne, our method that pairs our experts with our agentic engineering and delivery platform. The platform writes much of the code. Our people understand the client's business, work out the right solution and take it to production. A typical system goes live in about four months. Our commitments to clients are written into the contract before a build starts.

Why work at thinkbridge

About 80% of the job is thinking and problem solving: the rest is building.
Our clients stay with us for four to five years on average, so you get to know their business well.
Part of the working week is set aside for learning, so it doesn't eat into your evenings.
You can move into a different role inside thinkbridge.
We are Great Place to Work Certified and have an employee NPS above 90. See what our people say and the industry firsts behind our certification.

Benefits:
Benefits built for remote-first work

Work from anywhere.
Shape your day around your life, as long as the work lands on time.
Take time off when you need it.
A work laptop of your own, set up the way you like it within our security guidelines.
Weeks when the team gets together in person to work side by side.
Learning time in working hours, and paid certifications.

Five values guide how we build for clients and how we work with each other: Outcomes, Quality, Accountability, Communication and Care.

In practice:

We take software to production.
We check our work before anyone else has to.
We stand by our commitments.
We keep people informed in plain language.
We treat a problem as ours to solve.

We hire curious people who own the outcome.Meet the team that leads thinkbridge.

New graduates

thinkSchool is where graduates start their careers at thinkbridge.

Equal opportunity

thinkbridge is an equal opportunity employer. We hire on skills and character, and we treat every applicant fairly.

See all open roles

Questions about working at thinkbridge

Requirements

About Role:

Experience Level: Mid-Level – Senior Full Stack Engineer with 4-6 year’s of experience with strong hands-on experience in C#/.NET (8-10), React, TypeScript/JavaScript, SQL, and API development. Experience using AI coding tools such as Claude Code, Cursor, Copilot, or Codex in real-world software development is required.

Role Overview: We are looking for a 4–6 year's experience in Senior Full Stack Engineer with strong C#/.NET (8-10), React, TypeScript/JavaScript, SQL, Claude code and API development skills. Build and ship reliable features for a prepaid card and payments platform using AI-assisted development. Direct AI agents, review and improve code, debug issues, and validate changes through testing. Work across backend, frontend, databases, cloud infrastructure, and payment integrations.

What You'll Do

As part of the job

Ship changes with Claude Code. Write the plan, run the agents, review the diff, and prove the fix with tests: a negative test that fails without the change and passes with it, plus a test that the real user flow still works.
Catch what the AI gets wrong. Agents produce confident, plausible, broken code. In a payments system that means a double debit, a refund that never lands, or one customer reading another's data. Spotting that is the core skill of this role.

What we're looking for

You already build this way. Claude Code, Cursor, Copilot or Codex: whichever it is, you've shipped real things with AI agents, not just tried them.
You can read code you didn't write and tell good from bad. This is non-negotiable. If you can't review the agent's output, you can't do this job.
Enough C#/.NET, TypeScript/JavaScript and SQL to debug on your own when the agent is stuck or wrong, on both sides of an API call.
Many of our bugs sit exactly there: the server does one thing and the app assumes another.
A careful instinct for money and data. You ask "what happens if this call times out after the money moved?" and "can this user reach someone else's card?" before you ask whether it compiles.

Requirements:

Must have technical skills  

Minimum 4-6 years of experience as Full Stack Engineer.
Backend: C# on .NET 8–10, Azure Functions (isolated worker) plus older layered ASP.NET APIs, EF Core and Dapper.
Front end: React (web), React Native with TypeScript (iOS and Android), Angular with TypeScript (partner portal), on Node with Jest.
Data: MySQL, SQL Server, Cosmos DB, Azure Cache for Redis and queues.
Infrastructure: Azure Functions and App Services, Key Vault, App Insights, Terraform, Bitbucket Pipelines, and private NuGet packages on Azure Artifacts.
Integrations Card processors, payment and payout partners, identity verification, and SMS, email and push providers.
Tooling: Claude Code as the primary development tool.

Good to have skills

Payments or card-issuing experience, PCI awareness, and security review experience.

thinkbridge

there's a new way there. ™

Benefits

Benefits built for remote-first work

Work from anywhere.
Shape your day around your life, as long as the work lands on time.
Take time off when you need it.
A work laptop of your own, set up the way you like it within our security guidelines.
Weeks when the team gets together in person to work side by side.
Learning time in working hours, and paid certifications.

thinkbridge

Senior FullStack Engineer

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Requirements

Benefits

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thinkbridge

Senior FullStack Engineer

Create a cover letter for this job

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