Top Software Engineer Jobs in Romania

Design, build, operate, and maintain scalable distributed systems supporting CrowdStrike’s Intelligence pipelines. Gather requirements from analysts, develop processing and data integration systems, make autonomous architecture decisions, maintain Go and Python codebases, deploy production services, document solutions, train users, and communicate technical details effectively. The role requires independent execution in a geographically distributed team and includes opportunities to work with cloud platforms, APIs, web interfaces, malware analysis, and AI technologies.

Provides technical leadership for Python-based AI backend platforms supporting LLM integrations, generative AI pipelines, and agent orchestration. Architects scalable AWS systems using FastAPI, Lambda, and EKS; establishes observability and engineering standards; drives performance, security, and reliability improvements; mentors engineers; and influences organization-wide technical strategy, platform capabilities, and best practices.

Work in an agile platform team to design, build and maintain core services and APIs. Write secure, well-tested Java code, review peers' work, troubleshoot production issues, collaborate with product managers, and improve developer experience and standardisation across teams.

Develop and maintain Java software for Garmin’s Marine Cloud platform, including complex Spring Boot microservices and cloud-native applications. Responsibilities include designing new functionality, applying coding standards, using configuration and build tools, participating in code reviews, testing, debugging, and solving software problems. The role is fully office-based in Cluj-Napoca, five days per week.

Develop and maintain a C# and IL-based application-protection product. Collaborate with senior engineers on implementation and technical problem-solving, learn obfuscation and runtime protection concepts, break down tasks, and verify AI-generated code. Contribute to adjacent C++, front-end, command-line, and CI/CD work as needed while communicating effectively in English.

Designs, develops, tests, deploys, and supports scalable Java applications for financial services platforms. Responsibilities include participating in design reviews, writing reliable code, creating automated tests, troubleshooting production incidents, preparing deployment documentation, and collaborating with financial experts. The role requires Java, Spring Boot, databases, REST services, Docker, Kubernetes, Kafka, and related distributed systems technologies.

Develop and maintain scalable backend web applications using Python, Django, and Django REST Framework. Design APIs, integrate frontend and server-side logic, manage databases, optimize application performance and security, write tests, troubleshoot technical issues, and deliver system upgrades and new features in collaboration with frontend and QA teams.

Build reliable, high-performance frontend features for an AI assistant, including responsive interfaces, application state management, bug fixes, automated testing, debugging, and performance optimization. Collaborate remotely with a global team while maintaining code quality and user satisfaction. The role may also involve desktop applications, cross-platform development, real-time audio and video, and peer-to-peer technologies.

Develop and maintain security features, trusted components, frameworks, and services for the Android Open Source Project. Responsibilities include OS-level security development, vulnerability remediation, secure API and IPC design, troubleshooting, code reviews, security research, architecture reviews, and collaboration with engineering teams and partners. The role also involves applying Android security technologies such as sandboxing, permissions, secure storage, KeyMint, Keystore, SELinux, Verified Boot, and cryptography.

Develop and maintain Java and Spring backend services, REST APIs, integrations, and platform functionality for a large-scale certificate lifecycle management platform. Collaborate with Product Management, QA, DevOps, and engineering teams while troubleshooting production issues and contributing to design reviews, testing, documentation, security, scalability, and continuous improvement.

Design and maintain backend APIs, optimize performance, collaborate with teams on architecture, focusing on enterprise client needs and user experience.

Develop and support high-performance network software and custom Enea Qosmos DPI/TI modules throughout the project lifecycle. Responsibilities include feasibility analysis, protocol reverse engineering, feature development, automated testing, profiling, benchmarking, documentation, customer integration, troubleshooting, and post-deployment support. The role requires Linux-based C development, concurrent programming, networking expertise, and occasional customer-site collaboration.

Build fast, secure, scalable full-stack web applications using TypeScript across frontend and backend. Contribute to product delivery from idea to launch, work with cloud infrastructure and deployment tools, focus on performance and user experience, and collaborate in cross-functional teams. Familiarity with event-driven architectures, cloud platforms, Infrastructure as Code and AI tools is a plus.

Build and maintain Ergodic AI’s AI platform across back-end and front-end systems. The role involves developing with Python web frameworks and JavaScript/TypeScript, integrating with client technology stacks and workflows, applying AI, ML, and LLM concepts, and contributing to DevOps, cloud deployment, testing, and infrastructure practices. As an early-stage hire, the engineer will help shape the product and solve complex data and AI challenges.

Build and operate backend services supporting millions of emails. Own features end to end, design reliable distributed systems, scale APIs and databases, manage cloud infrastructure, improve observability and deployments, and participate in on-call rotation. Collaborate with customers and support to improve the product, strengthen engineering quality, and deliver complete experiences across the stack.

Build and maintain end-to-end backoffice features and internal tooling for a global telecom platform. Develop Java backend services and React or Angular interfaces, manage testing, CI/CD, deployment, monitoring, debugging, and code reviews. Collaborate within a lean engineering squad and take ownership of delivering reliable, high-performance solutions.

Develop and deploy reliable C# and .NET-based Interactive Response Technology systems for clinical trial randomization and drug supply management. Responsibilities include reviewing requirements, creating technical documentation, troubleshooting production issues, managing deployments across environments, and contributing innovative solutions to product research and development. The role emphasizes patient safety, clinical data integrity, maintainability, and collaboration with cross-functional project and support teams.

Design and develop SharePoint Online and Microsoft 365 applications using SPFx, React, and TypeScript. Build custom web parts, extensions, and integrations with Microsoft Graph, REST APIs, Entra ID, and Azure services. Ensure scalable, secure, maintainable solutions while collaborating with customers, stakeholders, business analysts, and architects. Contribute to engineering standards, Agile delivery, knowledge sharing, mentoring, and responsible use of AI productivity tools.

As a Software Engineer, you'll design and maintain backend APIs for various services such as payments and subscriptions, optimizing for performance and collaborating with cross-functional teams.

Develop embedded C++ software for automotive telematics systems using Linux, 5G, and V2X technologies. Responsibilities include component design, implementation, debugging, unit and system testing, code reviews, root-cause analysis, requirements clarification, and software maintenance. The role involves inter-process communication, threading, socket communication, stakeholder coordination, and occasional travel for training or project collaboration.

Develop and maintain embedded C++ software components for automotive telematics systems using Linux. Responsibilities include interpreting specifications, designing and implementing software, debugging with GDB, conducting unit and system testing, performing root-cause analysis, fixing defects, participating in code reviews, and collaborating with customers and internal teams. The role focuses on connected-car technologies such as 5G and V2X, with occasional travel for training or coordination.

Develop and maintain embedded C++ software components for automotive telematics call functionality. Responsibilities include reviewing specifications and architecture, designing and implementing Linux-based software, debugging with GDB, testing at unit and system levels, conducting root-cause analysis, resolving defects, participating in code reviews, and coordinating with internal teams and customers. The role may guide junior engineers and requires occasional travel for training or project coordination.

Develop and maintain C++ software components for automotive telematics using Embedded Linux. Responsibilities include component design, embedded application development, debugging with GDB, unit and system testing, code reviews, root-cause analysis, requirements clarification, and software enhancements across platforms. The role involves IPC, threading, socket communication, automotive software standards, customer collaboration, and occasional travel for training or coordination.

Develop and test Java-based combat management systems and subsystem interfaces for naval command and control applications. Work in Agile/Scrum teams across requirements analysis, architecture, implementation, testing, validation, and product demonstrations. Contribute to complex software solutions using Linux, development tooling, automated testing, and continuous integration. Collaborate with multidisciplinary teams in an international engineering environment.

Build and operate internal platform software, including data ingestion pipelines, backend APIs, AWS infrastructure, SDKs, dashboards, and analytics tools. Own systems end to end from architecture through deployment, monitoring, and incident triage. Partner with hardware, firmware, and manufacturing teams to deliver reliable tooling and make system design decisions involving schemas, APIs, storage, and scalability.