Top Software Engineer Jobs in Bucharest

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.

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.

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 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.

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.

Develop and integrate GIS software in an Agile team, contribute to architecture, maintain development and CI/DevOps environments, troubleshoot anomalies, and support software throughout its lifecycle. Provide L1-L3 GIS support, manage GIS deployments, databases, licensing, and infrastructure across Windows and Linux. Collaborate with product teams using SAFe and travel to France as project needs require.

As a Maintenance Software Engineer C++, you'll analyze customer requirements, manage software architecture implementation, and develop/test automotive software systems while ensuring automotive standards compliance.

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 and maintain scalable backend services, APIs, cloud-native microservices, and serverless workflows using Node.js, TypeScript, or Go. Own features from technical design through testing and production deployment, contribute to code reviews and mentoring, improve observability and operational standards, and optimize storage, database, and network performance.

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.

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.

Build and ship backend features for enterprise Coder deployments, including database migrations, observability, reporting, auditing, security, scalability, and reliability improvements. Investigate production issues, resolve operator problems, document designs, participate in code reviews and RFC discussions, and join on-call rotations. The role requires professional Go development, concurrency knowledge, SQL expertise, debugging ability, and strong communication.

Develop and maintain user-facing React.js features, reusable components, and front-end libraries. Translate designs into performant interfaces, collaborate with product and backend teams, write tests, debug production issues, and maintain current React and front-end development practices. The role requires strong JavaScript expertise, familiarity with Flux or Redux, RESTful APIs, modern build tools, Git, and effective communication skills.

Design, develop, test, and maintain reliable Java backend services supporting institutional trading applications. Own technical topics end to end, contribute to architecture and integrations, troubleshoot production issues, manage databases and transactional behavior, and improve scalability, resilience, observability, and delivery practices. Collaborate across teams, review code, support production systems, and mentor less experienced engineers.

Build and evolve Rerun’s open-source viewer, cross-language SDKs, and integrations with Rerun Hub. Develop high-performance interfaces for large-scale multimodal data, optimize workflows across desktop and web, make full-stack architecture decisions, and collaborate with backend, Hub, design, customers, and the open-source community. The role involves UI development, rendering, data handling, infrastructure, real-time applications, visualization, and performance optimization.

Develop and maintain Python backend services and pipelines that process device data, identify software vulnerabilities, and deliver reliable remediations. Responsibilities include integrating vulnerability data sources, operating scalable production systems, monitoring deployments, responding to incidents, investigating false positives and negatives, troubleshooting customer-reported issues, and collaborating across Support, Product, and Engineering. The role requires strong debugging, analytical, distributed-systems, database, containerization, and AI-assisted engineering skills.

Develop and optimize software solutions for industrial additive manufacturing in an agile team. Responsibilities include designing algorithms, data structures, and software subsystems; debugging complex issues; benchmarking and improving performance, stability, efficiency, and scalability; and contributing to software quality and documentation. The role uses Vue.js, TypeScript, Python, C++, MongoDB, Docker, and automated development tools.

Develop and maintain large-scale Java software systems for global energy markets. Responsibilities include estimating work, participating in Agile development and technical design, building modular interfaces and web services, writing scalable and testable code, maintaining quality automation, and collaborating with product leaders and global teams. The role requires strong Java, Spring, web services, databases, Git, DevOps, software design, and data structures expertise, with messaging systems, microservices, AI-assisted development, and frontend technologies as preferred skills.

Develop and maintain scalable Java software for global energy-management products. Responsibilities include estimating work, contributing to Agile development and technical design, building interfaces between modules, writing tested and maintainable code, making technology decisions, and collaborating with product leaders and global teams. The role requires expertise in Java, Spring, web services, databases, software design patterns, source control, DevOps, and modern software development practices.