Top Software Engineer Jobs in Budapest

Develop and deliver medium/high-complexity features for advanced visualization services. Write production-quality Java code, create automated tests, participate in Agile delivery, document quality artifacts, debug performance issues, and collaborate with product owners and architects across a global team.

Lead design and implementation of scalable backend systems for the Mitigation Platform. Collaborate across teams, balance short-term needs with long-term architecture, mentor engineers, drive technical strategy, and document platform capabilities to enable automation and servicing processes.

The Senior Python Software Engineer will develop software for large-scale quantitative research operations, focusing on building scalable platforms and coding in Python and Linux, with optional experience in C++ and machine learning.

Design and develop proprietary trading tools. Collaborate with teams, optimize performance, mentor junior engineers, and troubleshoot issues.

Join the Fraud Handling team to automate fraud investigations, improve tooling, and optimize workflows, focusing on customer experience.

The AI Software Developer will create AI-driven applications, collaborate with teams, analyze requirements, and design scalable products to solve real-world problems.

Develop, maintain, and support the Tulip OS for embedded hardware, collaborating with product management and technical teams to enhance product performance and features.

Build and own end-to-end features across backend and frontend: design backend services and data models (Python/Django), implement RESTful APIs, create reusable frontend components (TypeScript/React), write tests, participate in code reviews, maintain production reliability and security, and collaborate with product and design.

Develop and maintain C# applications, design robust solutions with the team, write unit tests and occasional end-to-end test plans, conduct code reviews, and diagnose and resolve technical issues to ensure code quality and reliability.

Build and maintain reliable API integrations with EV chargers, vehicles, and OEM platforms. Improve connectivity platform reliability, observability, and scalability. Develop automations and internal tools, define SLAs and monitoring, reduce incidents, and collaborate across teams to support Enode's energy device integrations.

As a Lead Software Developer, you will design and build high-quality software solutions, lead agile ceremonies, and collaborate across teams to optimize network rollout processes.

The Software Engineer will design and maintain payment processing systems, mentor other engineers, and ensure security in client transactions within the crypto ecosystem.

Build and scale a blockchain data platform handling petabytes of on-chain data. Design and implement distributed systems, data ingestion/decoding pipelines, and performant SQL processing. Write production code (Kotlin, Go, Java, Rust), improve developer experience, automate operations (including AI-driven automation), and own platform components.

Join Arista Networks as a Software Engineer working on EOS software, focused on developing features for data center networking, debugging, and mentoring. Responsibilities include writing specifications, implementing solutions, and collaborating with customer support.

The Principal Software Engineer will design and develop scalable applications for energy and water management, optimize performance, and lead systems architecture as part of a senior technical team.

As a FullStack Developer, you will design and develop web applications, contributing to both frontend and backend components while ensuring performance and usability.

Design, develop, and maintain scalable, highly available backend services. Collaborate with product and UX teams to build secure, reliable features, perform code reviews, troubleshoot production issues, and own features end-to-end from design through deployment.

As a Backend Engineer, you will design, deliver, and own backend features for the merchant platform, focusing on reliability and performance while collaborating with your team.

As a Backend Engineer L3 for Primer's Orchestration team, you will design and deliver backend services, monitor production impact, and ensure reliability and performance of payment systems.

As a Backend Software Engineer, you'll design scalable backend systems, optimize database performance, and collaborate with front-end and DevOps teams.

Contribute to Juju's development, collaborate with teams on distributed systems, debug issues, and enhance cloud automation features.

Develop and optimize algorithms for battery and renewable energy projects, analyze market data trends, and ensure algorithm performance.

Design, implement, and maintain cloud connectors integrating Cloudera's platform with AWS, Azure, GCP. Build scalable data ingestion and synchronization code, lead architecture and design, mentor engineers, perform code reviews, troubleshoot production issues, and document APIs and designs.

The Software Engineer will design, develop, and maintain backend APIs and oversee the full backend API landscape while collaborating with cross-functional teams on product strategy.

This role involves data collection for model training, maintaining cloud infrastructure, collaborating with scientists on data quality and cost, and developing an AI dataset roadmap.