Top Software Engineer Jobs in Romania

Design, build, and maintain backend services and APIs for a cloud-native clinical genomics platform. Improve architecture, performance, and scalability of data-intensive systems, collaborate with product and data teams, participate in design reviews, and occasionally contribute to front-end work using Angular and TypeScript.

Software Engineers at QuantCo will design and develop scalable solutions, integrate models into client businesses, and improve products based on client feedback.

As an Ubuntu Core Software Engineer, you will design and implement features for the embedded Linux operating system, maintain boot mechanisms, debug system-level issues, and collaborate with a global team.

As a Senior Tech Generalist, you'll build and maintain end-to-end systems, improve scalability, and ensure reliable financial operations while mentoring others in a dynamic team environment.

The Software Engineer develops, tests, and supports software for Reverse Vending Machines, working on feature development and defect resolution.

Design and build advanced iOS applications, collaborate with teams, conduct unit tests, and continuously implement new technologies.

The AI Engineer will design and develop AI-powered features, evaluate AI/ML services, and integrate them into a cloud-based platform, working closely with cross-functional teams.

Design and implement backend trading services, own features end-to-end (schema, API, tests, UI integration), contribute to real-time infrastructure and client-facing APIs, and write integration tests against real dependencies.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

Build a greenfield iOS and Android React Native application and supporting backend APIs. Design, implement, and maintain features, fix bugs, scope and deliver product work, address technical debt, and collaborate across product, design, and engineering teams to drive a best-in-class rental listing experience.

Staff Software Engineer responsible for leading architectural evolution across a distributed rendering platform, contributing to core backend systems, and improving performance, reliability, scalability, testing, and delivery practices. The role includes mentoring engineers through pairing and design reviews, unblocking teams, shaping technical strategy, improving CI/CD and tooling, and aligning engineering investments with product and business goals.

Build and maintain integrations for North's agentic platform, own the end-to-end integration pipeline, create evals and tests to ensure reliability, tune tool descriptions, and help other engineers add and maintain integrations while using AI responsibly to improve performance and quality.

Leads and mentors a software engineering team while remaining hands-on with Java and full-stack development. Responsibilities include architecture, coding, code reviews, sprint planning, stakeholder collaboration, technical strategy, CI/CD, testing, monitoring, service ownership, and delivery accountability. The role requires building scalable microservices and REST APIs, optimizing database performance, managing technical risks, and supporting AWS-based production systems.

Design, build, ship, and own high-scale, user-facing product features across frontend, backend, and data systems. Define problems, scope and prioritize work, collaborate with Product, monitor production usage, debug incidents, improve reliability, review code, and mentor engineers. The role requires strong backend expertise alongside React proficiency and ownership from product discovery through long-term maintenance.

Build and ship production AI agents that help mobile app developers manage subscriptions and paywalls. Own agent orchestration, tool execution, context management, evaluation, observability, permissions, and human-in-the-loop controls. Develop reliable, secure, user-facing backend systems, scope projects independently, monitor adoption, improve features after launch, participate in architecture and incident response, and mentor engineers.

The Software Engineer will develop backend systems using Rust, manage multimodal data, and improve data infrastructure with a focus on performance and design ownership.

Canonical seeks open-source enthusiasts to optimize Ubuntu for new silicon technologies, collaborating with teams and customers to enhance software quality and performance across various platforms.

Design and develop services for automating work with a large server fleet while engaging in DevOps processes.

Design and develop services for monitoring servers, improve metrics pipelines, automate maintenance workflows, and investigate incidents to ensure infrastructure reliability.

Lead design and development of Linux kernel functionality for BPF, networking, and security, integrating features into Cilium and Tetragon. Collaborate with engineering, product, customers, and the upstream Linux kernel community to shape technical direction, maintain code quality, and deliver scalable cloud-native solutions. The role may also involve presenting work at technical conferences and contributing to engineering best practices.

As a Salesforce Developer, you'll build .NET APIs for Salesforce integrations, collaborate on solutions, and support Salesforce functionalities, ensuring best practices.

Design and implement reliable, high-performance Rust services and libraries powering trading, payments, and crypto products. Build scalable distributed systems, network services, and asynchronous applications for revenue-critical, low-latency environments. Debug issues across the operating system, network, and application layers; collaborate with product teams; own systems end to end; and mentor engineers while contributing to technical culture.

The Lead Golang Software Engineer develops server solutions, leads technical designs and code reviews, mentors colleagues, and ensures the quality of engineering practices in the Commercial Systems unit.

The Python Software Engineer will develop and maintain test automation tools for hardware certification and improve Linux testing methods.

You will build and maintain container images, automate CI/CD processes, engage with the community, and mentor junior team members in a collaborative environment.