Staff Full-Stack Software Engineer

New

SPD TechnologyDigital payments

Workable locations: Spain. PolandFull-TimeStaff

Salary not disclosed

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Job Details

Languages: Upper-Intermediate (B2+) English or higher
Required Skills: AWSNode.jsFull Stack DevelopmentJavaJavascriptSoftware ArchitectureTypeScriptNext.jsReact

Have extensive hands-on software engineering experience and a strong background in full-stack application development.
Understand software architecture, system design, design patterns, and engineering best practices.
Have a proven ability to design and deliver complex, scalable, maintainable software solutions.
Be proficient in modern backend and frontend technologies; Node.js, TypeScript, JavaScript, React, Next.js, or Java are preferred.
Have experience with API design, distributed systems, service integrations, and modern application architectures.
Understand AWS infrastructure, services, and cloud-native application development.
Have experience working with complex systems in large-scale engineering environments.
Have practical experience applying AI technologies or advanced AI-assisted development approaches to engineering challenges.
Be familiar with LLMs, generative AI, and modern AI development tools and frameworks.
Be able to evaluate AI use cases and technical feasibility, and understand how AI can support software workflows or product functionality.
Have technical leadership skills, including influencing architecture decisions and aligning teams.
Have experience collaborating with distributed, international, and multicultural engineering teams.
Have Upper-Intermediate (B2+) English or higher, with confidence in technical discussions and stakeholder communication.

Design, develop, and maintain scalable, reliable, high-performance full-stack applications and services.
Own complex engineering initiatives from solution design and architectural decisions through implementation and delivery.
Contribute to system architecture, including scalability, maintainability, security, and long-term technical sustainability.
Work across frontend, backend, APIs, integrations, and cloud-based components.
Evaluate technical challenges and trade-offs with engineering teams and implement effective solutions.
Explore and apply AI technologies and AI-assisted engineering practices.
Provide technical guidance, share engineering practices, and support engineers with complex problems.
Improve code quality, engineering standards, system performance, and development processes.
Translate requirements into technical solutions with product managers, architects, engineers, and business stakeholders.

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