Top Software Engineer Jobs in Romania

Lead the architecture and evolution of scalable ETL and data-processing systems for customer product catalogs. Design reliable distributed systems, improve throughput and latency, strengthen fault tolerance and observability, and guide technical direction across teams. Mentor senior engineers, conduct architecture reviews, lead cross-functional initiatives, influence hiring and onboarding, and help shape the engineering organization’s long-term technical vision.

Develop and maintain Windows applications within an Agile team, implementing user stories, resolving backlog issues, translating requirements into C++ and C# code, integrating software solutions, performing unit testing, and participating in code reviews. The role uses .NET, WPF, XAML, Windows Forms, relational databases, and Visual Studio, with collaboration across teams to meet sprint and release goals.

Leads the design and delivery of complex, scalable full-stack web applications using .NET, C#, modern UI frameworks, cloud services, containers, and distributed systems. Owns major features, influences architecture, establishes quality and security practices, supports production systems, and mentors engineers. The role also leads Agile refinement and ceremonies, drives CI/CD, observability, testing, technical debt reduction, documentation, and responsible AI adoption.

As a Software Engineer, you'll develop software for Ceph and distributed storage, collaborating with a global team to enhance cloud solutions.

Canonical is hiring a Software Engineer to develop features for Kubernetes, focusing on operators and integrations while collaborating in a distributed team.

Develop, test, document, maintain, and enhance high-performance .NET applications for maritime operations. Collaborate with product owners, project leaders, designers, and engineers to deliver features, troubleshoot issues, improve performance, and support users. Implement automated testing, participate in code reviews, maintain documentation, and contribute to continuous codebase improvement using modern software architecture and cloud technologies.

Provide technical support for applications: investigate and resolve issues, develop and implement interfaces, create support documentation, collaborate with Design/Test/Dev teams, estimate resources, and monitor project performance.

Investigate and resolve verified application issues, develop and implement interfaces, create technical support documentation, collaborate with design, test and development teams, provide user support, estimate resource timings, and monitor project performance to meet goals.

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.

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.

We are seeking a software engineer to build and validate resilient distributed systems, enhance CI pipelines, and improve testing strategies for cloud applications.

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.

Design and implement robust Rust services and foundational libraries for Kraken’s core infrastructure. Build scalable, observable, secure, and fault-tolerant distributed systems supporting trading and internal platforms. Collaborate on architecture, debug issues across the operating system, network, and application stack, and take end-to-end ownership of long-lived systems and libraries.

Lead architecture and code reviews for highly available, low-latency cloud services in an AI-first engineering environment. Mentor engineers, evaluate AI-generated code, drive adoption of AI-assisted development tools, and collaborate with Product and Design. Improve engineering workflows through automation and intelligent processes while optimizing system performance, observability, reliability, and operational efficiency.

Develop ROM firmware and low-level embedded software for microcontrollers, including pre-silicon verification, debugging, security hardening, and compliance with safety and security standards. The role involves requirements analysis, architecture, coding, testing, and collaboration with hardware, validation, and security teams. Candidates should have practical C programming experience, microcontroller knowledge, debugging ability, version-control experience, and strong English communication skills.

Build and own the architecture for Dune’s curated data lifecycle, including dependency-aware orchestration, backfills, schema evolution, retries, recovery, data quality, and alerting. The role combines backend software engineering with large-scale data systems work across Go, Kotlin, Rust, Python, and SQL. Responsibilities include designing ingestion and curation contracts, making architecture decisions, solving ambiguous problems, and leading work that other engineers can execute.

Work on Percona's open-source MongoDB operational tools (primarily ClusterSync and also Backup). Build and harden a Go-based replication engine handling initial cloning and continuous change streams, ensure correctness and fault tolerance at scale, support sharded clusters, optimize performance and resource usage, and maintain CLI/HTTP APIs, metrics, logging, tests, and packaging. Collaborate openly via GitHub pull requests and JIRA.

Design and implement the core components of the Agents Python framework, focusing on API and abstraction development for AI-driven applications.

Design and develop functionalities for the Agents framework, iterate on feedback, and create documentation while working with various programming languages.

Design, build, and maintain web applications and services for Garmin's Subscriptions ecosystem as a full‑stack developer with frontend focus. Contribute across design, implementation, testing, deployment, and support while ensuring performance, security, reliability, and scalability. Collaborate with cross-functional teams and improve practices using modern .NET, frontend, and Azure technologies.

Develop and enhance the Garmin Dive application software, apply best practices, troubleshoot issues, and maintain documentation. Collaborate on features for a seamless user experience.

Develop and maintain high-performance, mission-critical maritime software using .NET and Python. Design, code, test, debug, document, and support microservices-based applications in cloud environments (Azure/Docker). Collaborate with product, design, and engineering teams, implement testing (TDD/unit/integration/acceptance), participate in code reviews, and improve application performance and reliability.

Design and develop core backend components for a blockchain network using Rust, ensuring reliability and scalability in production-grade software.

The role involves creating and automating infrastructure features for data platforms using Python, with a focus on distributed systems and collaboration within a global team.