Top Software Engineer Jobs in Hungary

The Senior Software Engineer will lead the development of a Python-based platform, enhancing a mature system for open-source collaboration, mentoring teams, and driving innovation.

Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.

Lead design and delivery of scalable microservices for a global, real-time messaging platform. Own end-to-end feature development, improve observability and reliability, ensure security and regulatory compliance, influence technical strategy, mentor engineers, and drive platform scalability and developer productivity.

Design, develop, test and operate highly scalable cloud microservices for enterprise collaboration. Own features end-to-end, work with Node.js/TypeScript and Go, ensure compliance (PCI/HIPAA/GDPR), implement logging, metrics, CI/CD, and automated tests, and recommend new technologies.

Design, implement, test, deploy, and maintain cloud-native full-stack features. Collaborate with cross-functional teams, follow software engineering best practices, participate in code reviews, troubleshoot issues, and leverage AWS and event-driven architecture to build scalable, maintainable applications.

Senior full-stack engineer responsible for designing, implementing, and maintaining scalable brokerage systems. Build and enhance gRPC microservices and React admin UIs, support regional operations and incident command, mentor engineers, collaborate with global teams, and ensure reliability and scalability for multi-market trading infrastructure.

Design and build highly scalable, low-latency market data systems and APIs. Implement backend services, influence architecture, maintain test coverage, participate in code reviews, troubleshoot incidents, and occasionally be on-call. Work spans streaming and historical market data endpoints and developer-focused API improvements.

Design, develop, and maintain scalable backend services and contribute to frontend features. Influence architecture and technical decisions, write well-tested code using TDD, troubleshoot production issues, mentor teammates, and collaborate with Product and cross-functional stakeholders to deliver reliable, high-performance SaaS solutions.

The Lead Software Engineer will design and develop Java microservices for network management, ensuring scalability and reliability within a telco environment. Responsibilities include backend development, system integration, and mentoring team members.

Design, develop, and deploy AI-driven applications by integrating ML models and APIs into scalable backend systems. Collaborate with cross-functional teams, contribute to architecture, build CI/CD and containerized environments, use cloud platforms, ensure code quality, monitor production AI features, and stay current on ML frameworks.

Design, develop, test, and maintain native iOS apps; integrate AI/automation and backend services; collaborate with product and global teams; mentor juniors; drive CI/CD, DevOps, tooling and QA automation; own technical solutions and documentation.

The Software Development Engineer I will design and implement microservices, improve system performance, and mentor junior engineers. Responsibilities include coding, debugging, and developing features from design to deployment in a remote setting.

Design and own test strategy and automation frameworks for a multi-cluster cloud control plane. Build API-first REST test suites, automate end-to-end data application migrations (Spark, Airflow, data warehouses), validate Kubernetes workloads/CRDs/Helm, and integrate cross-team services. Provide technical leadership, mentor engineers, and ensure testability across CI/CD pipelines and distributed systems.

Design, develop and maintain automated test frameworks and regression suites for .NET desktop and web AEC applications. Validate calculation engines and engineering workflows, create and run automated/manual tests, integrate tests into CI/CD, track defects, and collaborate with developers and domain experts to ensure product correctness and reliability.

Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.

Design and implement core Web3 protocol features and secure smart contracts in Solidity. Integrate blockchain solutions with cross-functional teams, ensure scalability and performance, stay current on EVM internals, conduct code reviews, and mentor junior engineers.

Design and implement a video processing engine, develop a cross-platform rendering engine, integrate systems, and optimize performance while collaborating with other engineers.

Design, implement, test, and document software for logistics systems. Responsibilities include maintaining software, implementing new features, and guiding junior members.

Design and implement real-time telemetry pipelines and fault-tolerant integration layers between IT and OT systems for datacenter power and grid-aware workload control. Own architecture and delivery of safe, reliable control systems from edge to control plane.

The Principal Software Engineer will lead AI initiatives, shape engineering architecture, mentor engineers, and guide technical decisions in a sizable organization, focusing on AI governance and platform design within AWS.

Lead architecture and backend development for the vCluster platform by designing and implementing Kubernetes-native solutions in Go, owning features end-to-end, contributing to open-source, and solving deep systems challenges around multi-tenancy, isolation, and GPU infrastructure.

Lead rapid prototyping, architectural research, and complex technical projects for a Kubernetes virtualization platform. Partner with the CTO to shape product direction, integrate new technologies, and occasionally engage customers to translate needs into engineering solutions. Provide technical leadership beyond coding and mentor the team.

Architect and build core backend components of the vCluster platform by working deeply with Kubernetes internals. Write high-performance Go code, take end-to-end ownership from design to release, contribute to open-source projects, and solve complex systems and multi-tenancy problems for GPU and Kubernetes-based infrastructure.

Be the hands-on technical owner of the LiteAPI product: design, implement, and operate backend/API infrastructure, lead technical decisions, work closely with product, stakeholders, and customers, and mentor engineers while shipping high-impact features in a fast-moving startup.

As a Senior Software Engineer, you will develop secure, scalable medical imaging platforms, architect distributed systems, and work with AI diagnostic tools.