Top Software Engineer Jobs in Bucharest

Design, implement, and maintain core C++ and C# systems for the Native layer and public SDKs. Own architecture through production, ship features, debug complex issues, improve reliability, and drive multi-platform performance and correctness across compiler and system-level concerns.

Join a remote Europe-based senior C++ engineer talent pipeline to work on Windows PC games using custom engines or UE5. Maintain and develop game features and tools, collaborate with multidisciplinary teams, and regularly debug, profile, and optimize code. Must complete a technical test.

The role involves designing and building AI-focused research tools, optimizing performance, engaging with customers, and scaling product features quickly.

The Backend Engineer will design scalable infrastructure for AI research tools, collaborate on optimizing system performance, and own evaluation pipeline automation.

Design, develop, and maintain scalable Python/Django backend services and RESTful APIs for financial products. Implement data models, write tests, optimize performance, ensure availability and security, participate in code reviews, and collaborate with cross-functional teams to deliver features and maintain production systems.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.

Design and build scalable backend systems for PlanetScale's database platform (Vitess/Postgres), collaborate on distributed systems challenges, work autonomously and with customers, optimize performance, and mentor engineers while operating systems at production scale.

Develop and maintain ABAP solutions in S/4HANA Cloud, own features and interfaces, integrate SAP with Make/Node/Python/Retool and the data warehouse, work directly with Finance stakeholders, investigate root causes, and learn modern SAP patterns (RAP, BTP, Released APIs).

Architect, develop, and scale cloud services, dashboards, and data pipelines to support robotics and autonomous vehicle telemetry. Integrate IoT devices with Azure services, build APIs/microservices, implement observability and CI/CD, validate systems in lab and field, and mentor junior engineers.

Build and iterate on practice-first learning experiences and AI tutor features. Contribute to architecture, review code, debug and unblock teammates, and collaborate closely with Product and Design to deliver high-quality learning products.

Lead full‑stack development of high‑traffic public websites, integrate AI tooling into the SDLC, design scalable backend and performant UIs, maintain cloud infrastructure, CI/CD, monitoring, and testing, and own services under a you‑build‑it‑you‑run‑it philosophy.

Build and operate services and tooling that automate network lifecycle, make network changes safe (CI/CD, rollouts, audit trails), develop scalable observability and telemetry, integrate network source-of-truth with platform APIs, and collaborate with network engineers and SREs to turn operational pain into production-grade automation.

Design, implement, and operate scalable, multi-cloud distributed infrastructure and core services (TypeScript, Kotlin, Go). Optimize compute, storage, networking, and observability; support event-driven architectures; own end-to-end deployment and production reliability; implement disaster recovery and business continuity; collaborate with engineering, AI and security researchers to enable high-velocity product development.

Develop and maintain open-source, silicon-optimized AI/ML inference application packages (Inference Snaps) for Linux/Ubuntu Core. Debug, write high-quality code, review upstream contributions, secure and optimize local inference deployments across embedded devices to gateways, and collaborate with a distributed team and stakeholders.

Design, implement, and maintain cross-platform C++ features for Multipass on macOS and Windows. Lead architecture, mentor peers, write high-quality tested code, review contributions, debug user issues, collaborate with a distributed team, engage the open-source community, and support customers.

Contribute to desktop and cloud reality-capture software by implementing features and bug fixes in C++. Write clean, tested code, assist debugging, participate in code reviews and Agile ceremonies, and use tools like Git, JIRA, and CI/CD while learning from senior engineers.

The Software QA Engineer ensures the quality and performance of software through manual and automated testing, collaborating with teams to identify defects and improve quality testing processes.

The Software Applications QA Engineer ensures product quality by executing test plans, developing automation scripts, conducting testing, and collaborating with teams to identify and resolve defects.

Develop a quest gameplay engine for game server and mobile apps and build a visual no-code quest editor. Collaborate in one-week Scrum sprints, design software architecture, and use C++/Qt, JavaScript/TypeScript, git, and Linux.

Lead design and ownership of shared libraries, Spring Boot starters, and agentic frameworks. Set standards for agent orchestration, evaluations, and guardrails. Mentor teams on Python-based agents (LangChain/LangGraph), drive adoption, prototype research directions, and improve developer experience across Kotlin backend and client libraries.

Develop and maintain mobile app and no-code quest editor, implement gameplay engine and server, design software architecture, and collaborate in one-week Scrum sprints using C++, Qt, QML, MySQL, and AI-assisted tools.

Own QA management for automotive software projects: define and roll out QA strategy and MGTL, schedule QA activities, perform process compliance checks and audits (ASPICE, IATF16949), support PPAP/VDA2, evaluate release readiness, collect/report SW quality metrics, manage escalations and corrective actions, and collaborate with global quality teams to ensure process adherence and continuous improvement.

Develop and maintain core components for a low-latency trading engine at Kraken, focusing on messaging solutions and system optimization.

Lead architecture and implementation of scalable backend microservices, MLOps pipelines, and AWS cloud infrastructure. Own containerization, CI/CD, observability (Datadog/Prometheus/Grafana/ELK), database design, and mentor engineering staff to ensure secure, highly available production systems.

Build and maintain NedGraphics cloud products and OptiNedLink. Design serverless AWS backends, implement secure REST APIs and event-driven workflows, develop automated tests, optimize performance, enforce security best practices, and create integrations with third-party APIs, ERP/PLM systems and internal services.