Top Software Engineer Jobs in Hungary

Build and operate scalable payment systems for Cloudbeds’ global hospitality platform. Responsibilities include developing PHP applications and event-driven microservices, integrating secure partner APIs, optimizing databases, using modern cloud infrastructure, and applying observability, automated testing, security, and compliance best practices. The role requires collaboration with engineers, leadership, and nontechnical stakeholders on highly visible projects.

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.

Develop, maintain, and optimize automated measurement and test solutions for high-precision instrumentation. Implement software (primarily LabVIEW), integrate with electronic measurement hardware, troubleshoot system-level software-hardware issues, support production rollout, document solutions, and collaborate with hardware R&D and manufacturing while owning technical tasks independently.

The Associate Software Engineer will develop backend components, collaborate with frontend developers, maintain secure services, and participate in team discussions while learning from experienced colleagues.

The role involves designing authentication flows for AI agents, building secure token systems, and creating high-performance server-side components while collaborating with frontend teams and improving system performance.

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.

The Full-Stack Software Engineer will develop and maintain web applications using .NET/C#, TypeScript, and React, collaborating with the team to implement features and improve functionality within an enterprise-scale codebase.

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

As a Senior Full Stack Software Engineer, you will develop and maintain web applications, create API specifications, and write tested code while collaborating with various teams.

The Backend Engineer will design and build scalable systems and APIs for enterprise AI products, focusing on performance and deployment across infrastructures. Responsibilities include optimizing backend performance, managing cloud infrastructure, and collaborating with teams to bring GenAI models to production.

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.

Design, implement, and own platform-level networking features close to hardware. Develop and debug C/C++ (and Python) code on Linux for ASIC/FPGA/Network Processor datapaths, collaborate on architecture, test and document features, and support field/customer integration.

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.

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Leads software quality engineering for a microservices-based clinical trial platform. Designs test strategies, plans, automation frameworks, and risk-based coverage across web, API, and mobile applications. Applies AI-assisted testing, performs functional through end-to-end testing, analyzes logs and SQL results, resolves complex failures, and drives corrective actions. Mentors engineers, maintains test evidence and traceability, collaborates with development and DevOps teams, and communicates quality risks and recommendations.

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.

Build and ship frontend features for checkout and merchant dashboard using React and TypeScript, deploy to production, collaborate with Design, contribute to Python backend when useful, and participate in architecture and quality-focused engineering practices.

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 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.

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.

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.