Top Software Engineer Jobs in Romania

Senior software engineer responsible for designing, developing, and maintaining business-critical applications. Collaborate with product, QA, DevOps, and stakeholders to translate requirements, implement scalable Java/Python solutions on AWS, address technical debt, improve performance, participate in code reviews, support releases, and ensure application stability and continuous improvement.

Design, implement, and optimize complex algorithms for automated treatment-planning software using modern C++ (C++17+). Participate in end-to-end development, architecture, prototyping, testing, documentation, and regulatory-compliant medical device software practices. Collaborate with clinicians, product, QA, and mentor engineers while improving reliability, performance, and production monitoring.

Design, implement, and maintain desktop applications, cloud services, and automation testing. Lead architecture and feature implementation, perform code reviews, write unit/integration tests, support CI/CD and DevOps, and collaborate within Agile/Lean Scrum teams to improve product quality.

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Develop, refactor and maintain backend services for a cloud-first marketing platform. Implement features, write well-tested Java (and occasionally TypeScript/Node.js) code, design distributed systems using streaming and queueing, collaborate with product/UX in agile teams, support migrations to AWS/serverless, troubleshoot production issues, and contribute to code reviews and team development initiatives.

Design and build serverless backend services and Node.js/TypeScript microservices for ordering, payments, loyalty, and integrations. Implement event-driven architectures, IaC with Terraform, CI/CD, observability, secure authentication with Cognito, and collaborate with product teams while mentoring peers and enforcing security and compliance.

Design, author, and execute manual and automated test scripts (Java/Selenium) to validate clinical-trial software. Develop risk-based validation plans, prepare test environments/data, log defects, assist deployments and support investigations, and ensure data integrity and patient safety.

Design, author, and execute automated and manual tests for clinical trial software to ensure patient safety and data integrity. Develop risk-based validation plans, set up test environments and data, automate test scripts, document defects, assist deployments and production-support investigations, and collaborate to deliver high-quality software.

Develop, write, and execute automated tests for Garmin web applications. Record and report defects, troubleshoot issues, provide information to development teams, create test documentation, and select appropriate testing techniques. Work within an Agile team to ensure product stability and performance.

Design, develop, test, and support highly scalable, secure, and compliant cloud services. Build and operate highly available distributed systems used by millions, analyze production performance, troubleshoot across networking, storage, caching, queuing and application layers, and participate in pair programming and code reviews.

Develop, maintain, and improve mission‑critical maritime applications using .NET technologies. Collaborate with product and engineering teams to design, implement, test, and document features; provide user support, participate in code reviews, and improve code quality and performance.

The Junior Software Engineer will develop features for an Affiliate Marketing platform, utilizing technologies like Angular, AWS, and Java, while promoting team cohesion and culture improvement.

Senior SDET responsible for building scalable test automation frameworks, improving test reliability, integrating testing into CI/CD, defining quality standards, coaching teams, and driving adoption of testing best practices across distributed systems.

As a Senior Software Engineer, you will develop and enhance the Cresta platform, optimize design, collaborate with teams, and ensure high-quality deliverables.

Lead architecture, design, implementation, deployment, and maintenance of Java-based microservices. Provide technical leadership, mentorship, collaborate with QA/Scrum teams, write and troubleshoot tests, and ensure high-quality releases in staging and production.

Design, build, ship, and maintain end-to-end product features across frontend, backend, and data layers. Own projects from definition through production, improve reliability and scalability, collaborate with product and design, mentor engineers, and engage with customers to solve real user problems.

Build foundational agent infrastructure for an AI assistant: orchestration, tool execution, context management, evaluation, and trust/permissions. Ship reliable, observable, and secure backend systems, launch agentic features, own core infrastructure, participate in on-call, and mentor others.

Join the QA team to own manual testing across the full test lifecycle for web and on‑premise pathology products. Design and execute functional, regression, integration and exploratory tests; manage defect lifecycle; collaborate across the SDLC; support incident investigation; maintain traceability and regulated‑grade test documentation. Work closely with automation engineers to inform coverage and interpret results in a fast‑paced, agile environment.

Design, build, deploy, and operate Cloudbeds' POS: React Native/Expo frontend, Python/FastAPI backend, Terraform/AWS infrastructure, and Kubernetes/Argo CD deployments. Deliver offline-first synchronization, reliable APIs, payments, hardware integrations, observability, testing, and production support while partnering with cross-functional teams and mentoring engineers.

Lead design, development, testing, and maintenance of enterprise-grade backend services and APIs in a microservices architecture. Drive technical ownership, mentor developers, apply TDD/BDD and CI/CD practices, troubleshoot complex issues, and contribute to platform architecture and continuous improvement.

Verify customer software builds across platforms by following technical documentation, diagnose and resolve build issues, perform feature testing, analyze dependencies, and communicate results. Contribute to process improvement and stay current with relevant technologies.

Lead architecture, design and implementation of high-performance, scalable Java backend and Angular frontend systems for a fraud detection engine. Provide technical leadership, design complex features, ensure non-functional requirements (performance, scalability, security), collaborate with DevOps and QA, drive CI/CD automation, and mentor engineering teams.

Design, develop, and maintain high-quality web applications using CodeIgniter and PHP. Collaborate with cross-functional teams to define and ship features, ensure application performance and quality, identify and fix bugs, and maintain code quality and automation.

Own and improve Langfuse SDKs (Python and TypeScript), ensuring reliability, performance, API design, integrations with AI frameworks, OpenTelemetry support, documentation, and developer experience.

Design and implement macOS endpoint security systems, ensuring performance and reliability while processing data securely and communicating with backends.