Staff Full-Stack Software Engineer

SPD Technology

. Design, develop, and maintain scalable, reliable, and high-performance full-stack applications and services .

Posted 11/9/2026full-timeRemote • Spain, PolandLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in full-stack application development, with a strong focus on software architecture, system design, and AI technologies. Capable of leading complex engineering initiatives while effectively communicating technical concepts to diverse audiences.

Highest-signal resume keywords

Full-Stack Application DevelopmentSoftware ArchitectureNode.jsReactAWS Cloud Infrastructure

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringSystem DesignAPI DesignDistributed SystemsAI TechnologiesTypeScriptJavaScriptNext.jsJavaEngineering Best Practices

Soft Skills

Excellent CommunicationInterpersonal SkillsProblem-SolvingTechnical LeadershipProactive Mindset

Tools & Technologies

Cloud-Native Application DevelopmentAI-Assisted Development ToolsGenerative AI TechnologiesLLMsRAG Architectures

Industry Keywords

E-Commerce SystemsDigital PaymentsFintech SolutionsLarge Enterprise PlatformsMulticultural Engineering Teams

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsJavaJavaScriptNext.jsNode.jsReactTypeScript

About the role

Key responsibilities & impact

Design, develop, and maintain scalable, reliable, and high-performance full-stack applications and services
Take technical ownership of complex engineering initiatives from solution design and architectural decisions through implementation and delivery
Contribute to system architecture, ensuring scalability, maintainability, security, and long-term technical sustainability
Work hands-on across frontend, backend, APIs, integrations, and cloud-based components
Identify technical challenges, evaluate trade-offs, and implement effective solutions with engineering teams
Explore and apply AI technologies and AI-assisted engineering practices
Provide technical guidance, share engineering best practices, and support engineers with complex problems
Drive improvements in code quality, engineering standards, system performance, and development processes
Collaborate with product managers, architects, engineers, and business stakeholders to translate requirements into technical solutions
Communicate architectural decisions and technical trade-offs to technical and non-technical audiences
Work with geographically distributed, cross-functional teams in a multicultural environment
Complete recruiter, technical, managerial, and client interviews

Requirements

What you’ll need

Extensive hands-on experience in software engineering, with a strong background in full-stack application development
Deep understanding of software architecture, system design, design patterns, and engineering best practices
Proven ability to design and deliver complex, scalable, and maintainable software solutions
Strong proficiency in modern backend and frontend technologies
Experience with Node.js, TypeScript, JavaScript, React, Next.js, or Java preferred; other technology stacks welcome
Solid experience with API design, distributed systems, service integrations, and modern application architectures
Good understanding of AWS cloud infrastructure, services, and cloud-native application development
Experience working with complex systems in large-scale engineering environments
Strong problem-solving skills and ability to make independent, well-reasoned technical decisions
Ability to balance hands-on implementation with broader architectural and technical responsibilities
Strong practical understanding of modern AI technologies, capabilities, limitations, and applications in software engineering
Hands-on experience applying AI technologies or advanced AI-assisted development approaches to real engineering challenges
Familiarity with LLMs, generative AI technologies, and modern AI development tools and frameworks
Ability to evaluate AI adoption opportunities, identify appropriate use cases, and assess technical feasibility
Understanding of incorporating AI into software development workflows or product functionality
Excellent communication and interpersonal skills
Proven experience working with distributed, international, and multicultural engineering teams
Ability to communicate effectively with engineers, architects, product teams, and business representatives
Strong technical leadership skills and ability to influence architectural decisions, facilitate technical discussions, and drive alignment
Proactive mindset, ownership, accountability, and ability to work independently
Ability to navigate ambiguity, manage competing priorities, and build productive relationships across teams
Upper-Intermediate (B2+) English or higher
Bonus: experience with large enterprise platforms, e-commerce systems, digital payments, or fintech solutions
Bonus: experience with AI-powered product features, LLM integrations, RAG architectures, or other applied AI solutions
Bonus: experience optimizing engineering processes through AI-powered automation
Bonus: experience contributing to architecture and technical strategy across multiple engineering teams
Bonus: previous Staff Engineer, Principal Engineer, or similar technical leadership experience

Benefits

Comp & perks

Fully remote work around the globe or hybrid work model from office hubs
Flexible working schedule
Stable workload and stable income
Performance review and career path
Mentorship program
Personal development plan
Individual learnings through the corporate library
Public speaking support
Company-wide tech and cultural events
Meaningful CSR initiatives
Supportive and flexible work environment
Professional and personal growth opportunities