6 Backend Engineer jobs in Bucharest

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. That takes high standards, high velocity and engineers who own what they ship. Today, we serve over 6 million clients, with more than €38 billion in assets under management. At that scale, performance, reliability and data integrity are part of the product. Our platform is powered by a modern, high-performance engineering stack designed for scale and reliability: Java 21 (Spring), Go, Node.js (TypeScript), PostgreSQL, MariaDB, Redis, Kafka, ClickHouse, Elasticsearch, Docker, Grafana, AWS, Kubernetes and Kibana. About The Role Staff Backend Engineers shape technical direction across teams while remaining close to the systems and code. You will take on problems whose consequences extend beyond one service or delivery cycle. This is not a people-management role. Its leverage comes from technical judgement, credible execution and the...

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. That takes high standards, high velocity and engineers who own what they ship. Today, we serve over 6 million clients, with more than €38 billion in assets under management. At that scale, frontend architecture, performance and product quality have material business consequences. Our frontend platform spans web and mobile: TypeScript, React, React Native and React Native Web in an Nx and pnpm monorepo, with TanStack Query, Zustand, Playwright, Detox and Jest. Around 95% of our code is reused across web and mobile. About The Role Staff Frontend Engineers shape architecture and engineering direction across product teams while remaining close to the code. Your scope will include shared libraries, platform capabilities, developer tooling and difficult product-system problems. This is not a people-management role. Its leverage comes from...

About the Role We are looking for a Senior Software Engineer to join our engineering team working on business-critical systems within the institutional domain. In this role, you will contribute to the design, development, evolution, and operational reliability of backend applications supporting trading activities and integrations with internal and external systems. Beyond strong software engineering skills, we are looking for someone who can take ownership of complex topics, understand the broader business and technical context, challenge solutions constructively, and collaborate effectively across teams. The role requires a strong engineering mindset, with particular attention to system reliability, maintainability, performance, production readiness, and technical quality . Key Responsibilities Design, develop, test, and maintain reliable backend services supporting trading-related applications and workflows. Take end-to-end ownership of technical topics, from...

Who We Are Hi, we’re FintechOS, the global leader in fintech enablement. Our mission is to make financial innovation accessible to every organization. The FintechOS platform simplifies and accelerates how financial products and services are launched, serviced, and scaled — helping businesses realize value up to 10x faster than traditional approaches. Unlike other fintech solutions, FintechOS liberates data from the core, empowering organizations to create personalized, data-driven financial products and experiences at scale. As a cloud-native platform, FintechOS integrates seamlessly with any technology or service, financial or non-financial, connecting both modern and legacy ecosystems. We’ve built a world-class technology foundation and assembled a diverse, high-performing engineering team passionate about redefining what’s possible in fintech. About the Role As a Senior Data Core Framework Engineer, you’ll own and evolve the Data Core framework (“dc-framework”) — the...

Who we are Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. Our technology powers the growth of millions of businesses across 5 continents. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution. The opportunity We manage various market facing services and applications within Issuing, such as standardized Issuing Gui's for various backend services, cardholder and business portals with front- and backend responsibilities, SMS and notification services and many more. You will work with our scrum team members and clients to design, run, and maintain these payment systems for the future. These services are characterized by high quality and availability, combined with innovation. This...

Overview Our mission is to enable everyone to build wealth. We reinvent how trading and investing work by creating exceptional products people love. Fostering a culture of excellence and high velocity is the key to our success. Today, we serve over 5 million clients, with more than €30 billion in assets under management—a testament to the scale and trust we've built in just a few years. What you'll do Work closely with Engineering Leaders to scope roles, understand team needs, and develop effective sourcing strategies Manage the entire hiring process end-to-end, from initial outreach to final offer Own engineering hiring across backend, frontend, DevOps, and data science Qualify candidates credibly before looping in hiring managers, without needing requirements translated Design and implement a systematic, data-driven recruitment process aligned with both individual role requirements and the company's long-term goals Build, maintain, and continually expand a strong...