Backend Engineer, Core Technology

Stripe
Bucharest, Romania Posted 24 February 2026

Job Description

<h2><strong>Who we are</strong></h2> <h3><strong>About Stripe</strong></h3> <p>Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career.</p> <h3><strong>About the organization </strong></h3> <p>We provide leveraged and usable infrastructure for Stripes to explore innovative, new products while concurrently extending secure, reliable and cost-effective mature business lines.</p> <p>Our mission is to:</p> <ul> <li>Enable Stripe product teams to rapidly build new products, and quickly iterate on existing products, to drive value for our users and Stripe.</li> <li>Provide Stripe’s product teams a secure, performant, and efficient platform for creating and maintaining their products and services</li> <li>Enable Stripe’s engineers to build scalable applications with high speed, quality and performance</li> <li>Enable Stripe’s largest users to scale their businesses on Stripe.</li> </ul> <p>You may work on a wide variety of critical business areas including: </p> <ul> <li><strong>Developer Infrastructure </strong>- We are responsible for making Stripe’s developers happy and productive. We work on tools, processes, and code refactoring to accelerate Stripe engineering as Stripe scales. You’ll collaborate closely with partner teams in Europe, such as CI Infra and CI Services, Test Environments and Frameworks, as well as partner teams based in the US who provide language specific tooling for Engineers who develop in any of Stripe’s supported languages (Ruby, Java, Golang, Python and more).</li> <li> <p class="p1"><strong>Merchant Health Reporting</strong>- The team operates at the intersection of customer trust and internal velocity. We build Stripe Health Alerts, a customer-facing product ensuring reliability for our largest users. Concurrently, we build transformative AI tools with cutting-edge models and tech (LLM, MCP, RAG) that turn hours of work into minutes for teams across Stripe, directly impacting our operational efficiency.</p> </li> <li><strong>Operator tooling - </strong>At Operator Tooling, we're on a mission to eliminate the burdensome manual processes that weigh down our operators, freeing them to focus on the impactful, meaningful work they were hired to do. We're building a platform to tackle the daily frustrations head-on, from those endless Excel files, unstructured email chains, and repetitive, time-draining tasks.</li> <li><strong>Compliance Foundations</strong> - Internal Controls Engineering owns systems and tools to measure and increase operational efficiency of all internal controls throughout Stripe. We build tools for owners of financial, business, and technology controls. We are part of a larger Compliance Foundations engineering organization, and work closely with our partner engineering teams to increase efficiency and predictability of compliance.<br><br></li> <li><strong>Internal Developer Toolings</strong> - The team is responsible for accelerating Stripe’s developers and providing a positive experience. We work on tools, processes, and code refactoring to enhance Stripe's engineering as it scales.The team has three main areas of responsibility. Our mission encompasses optimizing day-to-day engineering work in regards to our QA infrastructure, advancing the capabilities of the Synthetics tool, and facilitating effective service-to-service testing. Through these efforts, we aim to improve the reliability of Stripe's systems and platforms, enhance the quality of deliverables, and ultimately foster a more efficient and innovative development process.<br><br></li> <li><strong>P ... (truncated, view full listing at source)
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