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Senior Engineer (Backend) Romania Jobs

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Senior Backend Engineer
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Senior Backend Engineer sought to architect and scale distributed systems for Bolt in Bucharest. You will tackle complex algorithms for real-time pricing, routing, and fraud detection using Node.js and TypeScript. Ideal candidates excel in microservice architecture, API design, and data-driven de...
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Romania , Bucharest
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Not provided
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Bolt
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Until further notice
Senior Java Backend Engineer
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Join a high-impact EU digital initiative as a Senior Java Backend Engineer in Cluj. Design scalable microservices using Java 17, Spring Boot, and PostgreSQL. Enjoy flexible remote/hybrid work, private health insurance, and professional growth opportunities.
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Romania , Cluj
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NTT DATA
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Until further notice
Senior Software Engineer, Backend (Voice Platform)
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Join Cresta's Voice Platform team in Bucharest as a Senior Backend Engineer. Design and scale distributed microservices in Go, powering real-time AI voice infrastructure. Drive key initiatives in SIP, WebRTC, multilingual pipelines, and conversation intelligence. Leverage your expertise in cloud ...
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Romania , Bucharest
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Not provided
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Cresta
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Until further notice

About the Senior Engineer (Backend) role

Explore Senior Engineer (Backend) Jobs and discover a pivotal career at the heart of technology innovation. A Senior Backend Engineer is a seasoned professional responsible for designing, building, and maintaining the server-side logic, databases, and application programming interfaces (APIs) that power modern web and mobile applications. This role is critical for ensuring scalability, performance, reliability, and security for millions of users. Professionals in these jobs move beyond basic coding to tackle complex architectural challenges, making high-level decisions that shape the technological foundation of a product or service.

Typical responsibilities for senior backend engineers include architecting and developing robust distributed systems, designing efficient and scalable APIs, and managing data storage solutions. They are deeply involved in the entire software development lifecycle, from conceptualization and technical design to deployment and ongoing optimization. A key aspect of the role is leading major technical initiatives, breaking down large projects into manageable deliverables, and mentoring mid-level and junior engineers. Senior engineers also champion best practices, conducting thorough code reviews, advocating for clean and maintainable code, and implementing robust testing and monitoring strategies.

The common skill set and requirements for senior backend engineer jobs are extensive. Expertise in one or more backend programming languages such as Java, Python, Go, C#, or Ruby is fundamental. A deep understanding of system design principles, including microservices architecture, database management (both SQL and NoSQL), and cloud platforms (AWS, Azure, GCP), is essential. These roles demand strong problem-solving abilities, a data-driven mindset for decision-making, and a focus on creating secure systems. Seniority is characterized by autonomy, the ability to drive projects to completion, and a proactive approach to collaborating with product managers and other engineering teams to align technical execution with business goals. Success in these positions also requires excellent communication skills to explain complex technical concepts and a commitment to continuous learning in a rapidly evolving field.

If you are an experienced developer seeking to leverage your technical leadership and deep architectural knowledge, browsing senior backend engineer jobs is your next step. This career path offers the opportunity to build foundational technology that drives user experience and business success, providing a challenging and rewarding environment for top engineering talent.

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