Top Software Engineer Jobs in Budapest

Build and improve scalable Scala and Java middle-tier services for valuation control and finance technology. Design relational, columnar, and NoSQL database entities, collaborate with business and IT teams, own solution delivery, support SDLC processes, improve DevOps tooling, and develop testing strategies for large-scale distributed systems.

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.

Develop and support full-stack software infrastructure for automated verification and validation of IoT MCU and wireless products. Build applications, utilities, databases, web tools, and data-analysis solutions; troubleshoot software and assist hardware and IC design engineers. Evaluate technologies, create training materials, communicate across teams, and apply testing, reporting, visualization, and AI-powered tools.

Design and develop scalable backend services with C#/.NET, build RESTful APIs, mentor engineers, and enhance system architecture for healthcare solutions.

Develop and maintain Python and Pytest-based automated tests for embedded Bluetooth Low Energy products. Perform functional and non-functional testing, monitor continuous integration test execution, investigate defects, and improve test coverage. Collaborate with developers, product managers, application engineers, and global QA teams to validate requirements and communicate testing results. Use AI-powered tools to improve coding efficiency.

Build and ship full-stack product features using React, JavaScript or TypeScript, backend services, and REST APIs. Use AI-assisted development tools to accelerate delivery while reviewing, debugging, refactoring, and securing generated code. Collaborate with designers, product managers, and engineers in agile squads, improve frontend performance, participate in code reviews, and maintain strong testing and architectural standards.

Develop, test, deploy, and support high-performance electronic trading platforms. Troubleshoot and optimize production systems for reliability, latency, scalability, and availability. Collaborate with stakeholders and engineering teams to deliver distributed, cloud-ready microservices. Drive automation, observability, site reliability, and platform modernization while applying Agile, DevOps, and SDLC practices.

Develop and maintain secure, performant PHP software for a high-volume loyalty management platform. Responsibilities include writing technical specifications, documenting requirements, debugging production issues, improving system stability, modernizing legacy systems, participating in architecture and code reviews, coaching engineers, and improving AI-assisted engineering practices. The role is fully remote and requires collaboration in an agile environment, ownership, problem-solving, and the ability to clarify ambiguous requirements into actionable roadmaps.

Designs and owns full-stack business solutions for Product Lifecycle Management and Quality Systems. Translates business requirements into domain models, applications, analytics, data structures, and integrations across PLM, ERP, MES, and quality platforms. Uses low-code, object-oriented, cloud, database, and API technologies to deliver scalable systems. Supports configuration and change management, resolves complex system issues, partners with cross-functional stakeholders, and contributes to platform migration and integration strategies.

Develop and maintain resilient, scalable, cloud-friendly server-side systems for the Data Fabric platform. Deliver functionality, improve resiliency and effectiveness, and support data distribution, governance, and integration for prime brokerage data consumers.

Design and implement backend systems, ETL pipelines, data storage, and APIs for a SaaS platform. Maintain platform availability and improve security, quality, testing, automation, documentation, and features. Support customers and staff, contribute to sprint planning and prioritization, estimate development effort, track project progress, and proactively resolve roadblocks.

Join a team building high-performance systems for research and trading. Design, implement, and maintain reliable software and data pipelines, collaborate with researchers, contribute to testing and monitoring, and optimize performance and developer productivity.

Design, develop, and maintain high-quality web applications using CodeIgniter and PHP. Collaborate with cross-functional teams to define and ship features, ensure application performance and quality, identify and fix bugs, and maintain code quality and automation.

Build and operate scalable cloud infrastructure for global enterprise applications. Lead incident response, root-cause analysis, automation, reliability improvements, and full-stack production diagnostics. Partner with engineering, product, design, and QA teams on scalable system design, primarily focused on backend development. Participate in design reviews, mentor engineers, and communicate effectively during outages and complex technical initiatives.

Design and implement high-performance, security-critical Rust infrastructure services (proxies, credential brokers, log collectors) for a Kubernetes-native platform. Own architecture, correctness, observability, testing (property-based, fuzz), and cross-team guidance for production services where latency and resource constraints matter.

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.

Build and architect high-performance advisory brokerage services for block trading, portfolio management, and IRA products. Develop frontend and backend systems, databases, and distributed architectures with strong concurrency, scalability, availability, and low-latency performance. Design order management and financial transaction systems while contributing across the technology stack in an early-stage environment.

Build and ship full-stack features for a data intelligence SaaS platform, spanning backend services and frontend interfaces. Use AI coding assistants to accelerate development while applying sound engineering judgment. Participate in architecture discussions, code reviews, testing, incident response, troubleshooting, documentation, and knowledge sharing. Partner with product managers to translate requirements into technical solutions. The role emphasizes SaaS architecture, AWS cloud fundamentals, Docker, Kubernetes, CI/CD, agile delivery, autonomy, and production ownership.

Design, build, and own scalable backend services, APIs, and high-performance web frontends for an autonomous procurement platform. Improve reliability, security, and performance, implement async task pipelines, and collaborate with product and design. Mentor juniors, participate in code reviews, and leverage AI-assisted tools while shipping iteratively in a globally distributed, async-first team.

Provide senior-level application support for Dynamics 365, Power Platform, and Azure-hosted applications. Investigate complex incidents, integrations, and data issues; perform root cause analysis; manage ServiceNow escalations; maintain support documentation; improve processes and automation; mentor junior engineers; and communicate resolution progress to stakeholders. The role requires strong troubleshooting, incident management, systems integration knowledge, and ITIL Foundation certification.

Supports Dynamics 365 Commerce, CRM, and Case Management applications across Azure-hosted environments. Investigates incidents, manages ITSM tickets, gathers diagnostic information, validates applications across environments, improves documentation, and communicates status updates. The role requires 1–2 years of Dynamics 365 experience, familiarity with Power Platform, Azure, ServiceNow, knowledge-management tools, and ITIL certification.

Supports and enhances Dynamics 365 Commerce, CRM, and Case Management applications, along with Power Platform and Azure-hosted environments. Responsibilities include troubleshooting application and integration issues, managing ServiceNow incidents, performing root cause analysis, coordinating cross-team resolutions, documenting solutions, maintaining knowledge articles, tracking work in Jira, and improving support processes. The role also mentors junior team members and requires independent prioritization, strong communication, and ITIL certification.

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 maintain AI-powered spam and scam detection infrastructure: design, implement, deploy, monitor distributed pipelines, support data science workflows, handle production incidents, and improve system resilience and scalability.

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.