Top Software Engineer Jobs in Romania

Develop and maintain GPU software drivers, tools, frameworks, and automated tests for NXP i.MX RT crossover microcontrollers. The role involves enhancing VGLite, OpenVG, and littleVGL, debugging embedded software using C/C++, supporting customer feature requests, and collaborating within an R&D graphics technology team. Candidates should have a relevant university degree, embedded Linux or RTOS experience, scripting knowledge, and strong English communication skills.

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 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.

Build and operate the inference API platform powering AI services at global scale. Own distributed systems, datastores, observability, analytics, billing, usage metering, role-based controls, and CI/CD. Diagnose performance issues using query profiling and flame graphs, optimize reliability and latency, and deliver features end-to-end from design through production rollout. Collaborate directly with product and engineering teams in a fast-paced, ambiguous startup environment.

Build and evolve scalable backend services, distributed systems, APIs, and processing pipelines supporting genomic and biomedical workflows. Drive architecture decisions focused on performance, reliability, and maintainability; implement automated testing; collaborate cross-functionally; mentor engineers; and contribute to technical discovery and solution design. The role primarily uses Scala and Java, with opportunities to work with functional programming, Python, event-driven architectures, cloud platforms, containers, and CI/CD in a regulated healthcare and research environment.

Design and build distributed Go systems that autonomously manage Kubernetes infrastructure and cloud resources at scale. Own features end to end, debug complex production issues, integrate with AWS, GCP, and Azure APIs, and work with Kubernetes internals, time-series data, observability, CI/CD, and cloud-native tooling. Collaborate across teams, influence product direction, and participate in on-call rotations where required.

Design, build, and operate internal platform systems supporting CI/CD, GitOps, observability, local development, Kubernetes, and cloud infrastructure. Improve developer productivity through paved roads, self-service tooling, and reliable deployment workflows. Debug complex production issues, optimize performance, contribute to the platform roadmap, and participate in on-call rotations.

Develop and deploy Interactive Response Technology systems for clinical trial randomization and drug supply management. Responsibilities include reviewing requirements, creating technical designs and documentation, building reliable web applications, supporting production troubleshooting, managing deployments, and contributing innovative solutions to product development while maintaining patient safety and clinical data integrity.

Develop and architect features for Malwarebytes Browser Guard, serving millions of users. Write high-quality, tested code; design integrations; collaborate with Product, UX, and QA; review code; mentor engineers; and support delivery of the product roadmap. The role emphasizes React, JavaScript/TypeScript, Go, debugging, system architecture, AI workflows, user-centric design, and strong communication.

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.

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.

Design, build, and improve distributed clearing and securities-finance systems supporting brokerage products. Own projects from ideation through deployment, develop reliable APIs and integrations, refine existing infrastructure, and participate in on-call operations. The role requires strong systems fundamentals, attention to detail, financial-markets interest, and ownership of production systems handling customers’ money.

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 own C/C++ software for data center switching platforms, including architecture, implementation, testing, debugging, documentation, and customer support. Work closely with hardware and networking teams on forwarding ASICs, FPGAs, embedded systems, drivers, and performance-critical datapath features. Participate throughout the software development lifecycle, from requirements gathering through production delivery.

Build and ship production software across Stripe’s technology stack, collaborating with engineers and stakeholders on technical design, code reviews, and impactful projects. Interns will work on systems supporting payments, fraud prevention, payouts, checkout, and other financial infrastructure. Responsibilities include learning unfamiliar systems, communicating progress, incorporating feedback, and using AI tools responsibly to accelerate development while validating outputs.

Build and deploy software supporting Stripe’s financial infrastructure and APIs. Solve complex, ambiguous technical problems, learn unfamiliar systems, collaborate on coding projects, communicate clearly with stakeholders, and use AI tools responsibly to accelerate development. New graduates will develop specialized technical knowledge while contributing to production systems and projects that serve millions of businesses.

Own end-to-end development of Kimchi Studio features, a desktop application for collaborative autonomous coding agents. Design, implement, test, and roll out product capabilities using TypeScript, Electron, React, Node.js, and Go. Diagnose performance issues with query profiles and flame graphs, prioritize UX polish and speed, and collaborate directly with product and engineering teams in a remote-first environment.

Build and scale Base360.ai’s short-term rental platform, including customer-facing applications, APIs, automation engines, AI-powered workflows, third-party integrations, and cloud infrastructure. Develop systems for reservations, pricing, payments, guest communication, property operations, reporting, and financial workflows. Own projects end to end, make architectural decisions, ensure reliability, and deliver scalable products in a remote-first startup environment.

Staff Software Engineer responsible for architecting and developing scalable web applications and APIs using Elixir, React, and PostgreSQL. The role involves solving ambiguous technical and business problems, ensuring system reliability and performance, collaborating cross-functionally, presenting solutions to leadership, writing tested code, participating in code reviews, mentoring engineers, and removing technical roadblocks.

Lead the technical vision and development of Elasticsearch’s core search infrastructure, including indexing, retrieval, query execution, and relevance. Research search algorithms and data structures, contribute to Lucene, guide technical roadmaps, mentor engineers, collaborate across teams, and build high-performance distributed systems.

Productionize AI-built GTM software prototypes into secure, reliable customer-facing applications. Own hosting, environments, CI/CD, secrets, backups, releases, code quality, monitoring, security, staged rollouts, and integrations across CRM, ERP, and internal data systems. Build context infrastructure for GTM and customer-facing agents, reconcile data across systems, collaborate with product and commercial teams, and contribute to Wingtra’s AI engineering practice.

Design, build, test, and maintain advanced iOS applications for Garmin Connect Mobile. Collaborate with cross-functional teams to deliver features, fix bugs, improve performance, and evaluate new technologies. The role requires working onsite five days weekly in Cluj-Napoca and contributing independently and collaboratively within a small team.

Develop, implement, test, document, and maintain scalable software solutions for a flexible benefits web platform. Translate product requirements into maintainable code, contribute to architecture, collaborate within agile teams, support QA and incident resolution, and improve engineering practices, performance, and security. The role may involve full-stack development with Angular or React, or backend development using C# and .NET.

Design and operate customer-facing networking APIs, Python orchestration control planes, and automation that configures routers across global points of presence. Build resource allocation, job queues, retries, rollback, reconciliation, BGP, WireGuard, GRE, NAT, firewall, DNS, cloud interconnect, and Envoy xDS integrations. Own production monitoring, incident response, billing synchronization, API compatibility, and network configuration drift detection across application and infrastructure layers.

Build and ship high-quality React Native mobile experiences for Kraken’s consumer financial products. Own features end-to-end, from problem discovery and technical design through implementation, launch, measurement, and iteration. Collaborate closely with Product and Design, work with APIs and real-time data, optimize performance and reliability, and contribute to architecture, code reviews, technical discussions, and product strategy.