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Software Engineer - Backend Romania, Cluj Jobs

3 Job Offers

Software Engineer, Backend
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Join Cresta's Knowledge Assist team in Cluj-Napoca to build AI-powered solutions for contact centers. Develop scalable backend services using Python/Go for real-time assistance and search. We value full-stack skills in a collaborative environment, offering competitive salary and equity.
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Location
Romania , Cluj-Napoca
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Salary
Not provided
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Cresta
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Until further notice
Staff Software Engineer, Backend
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Join Cresta as a Staff Backend Engineer and be a founding member of our new tech hub in Cluj-Napoca. Design scalable systems using Python/Go, ClickHouse, and Elasticsearch in a remote-first, global team. You'll build a cutting-edge Customer Data Platform, delivering real-time insights that drive ...
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Location
Romania , Cluj-Napoca
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Not provided
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Cresta
Expiration Date
Until further notice
Staff Backend Software Engineer, Insights
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Join Cresta as a Staff Backend Engineer in Bucharest or Cluj. Design and scale a cutting-edge Customer Data Platform using Python/Go, ClickHouse, and Elasticsearch. Deliver actionable insights and optimize high-performance, distributed systems in a collaborative, full-stack environment.
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Location
Romania , Bucharest; Cluj
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Salary
Not provided
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Cresta
Expiration Date
Until further notice

About the Software Engineer - Backend role

Explore the world of Software Engineering through the lens of Backend Development. This page is dedicated to Software Engineer - Backend jobs, a career path focused on the server-side logic, databases, and APIs that power modern applications. Backend engineers are the architects of the digital infrastructure, building the invisible yet critical systems that ensure data flows securely, efficiently, and at scale. Unlike frontend development, which deals with user interfaces, backend work is all about what happens behind the scenes: processing requests, managing data storage, integrating services, and maintaining the reliability of complex distributed systems.

Typical responsibilities in backend engineering roles include designing and developing robust, scalable APIs (RESTful or GraphQL), managing databases (both SQL and NoSQL), implementing business logic, and building microservices architectures. A significant portion of the work involves optimizing performance, ensuring high availability (often targeting 99.99% uptime), and handling data consistency across multiple servers or cloud regions. Backend engineers frequently collaborate with frontend developers, product managers, and DevOps teams to define system requirements and deploy solutions. They are also responsible for writing automated tests, participating in code reviews, and contributing to system architecture decisions.

The skills required for these positions are diverse and technical. Proficiency in statically typed languages like Java, Go, C++, or Scala is often essential, though Python and Node.js are also common. Deep knowledge of cloud platforms (AWS, GCP, Azure) and containerization tools (Docker, Kubernetes) is increasingly expected. Understanding distributed systems concepts—such as event-driven architectures, message brokers (like Kafka), caching strategies, and fault tolerance—is critical. Strong fundamentals in data structures, algorithms, and system design are non-negotiable for solving complex problems at scale. Additionally, experience with CI/CD pipelines, monitoring tools, and security best practices is highly valued.

The typical career path for a Software Engineer in Backend roles often progresses from entry-level positions focusing on implementation to senior and staff levels where mentoring, technical leadership, and architectural vision become key. Many professionals in these backend jobs come from computer science, software engineering, or related technical backgrounds, though equivalent practical experience is widely recognized. The field rewards continuous learning, as tools and paradigms evolve rapidly. Whether you are building high-concurrency platforms, data streaming pipelines, or secure cloud-native services, backend engineering offers a challenging and rewarding career at the heart of technology innovation. This page serves as your gateway to discovering the next opportunity in this dynamic profession.