Yuno logo
Yuno

Yuno enables any company to manage all the payment methods and fraud providers through a single integration.

Staff Engineer

Full-stack EngineerSoftware EngineerFull TimeRemoteLeadTeam 11-50H1B No SponsorCompany SiteLinkedIn

Location

Spain

Posted

3 days ago

Salary

€90K - €125K / year

Seniority

Lead

Bachelor Degree8 yrs expEnglishJavaKotlinMicroservicesPostgreSQLSQLGo

Job Description

Staff Engineer

Yuno

• Set the technical direction for our Integrations domain — the 130+ provider integrations and 95+ webhooks that connect Yuno's platform to PSPs, acquirers, payment gateways, fraud and 3DS providers worldwide. • Lead through influence, aligning multiple squads, coaching Senior engineers, and partnering with Product, Compliance, and Security. • Use AI-assisted tools for coding, testing, debugging, and documentation as a daily default. • Define the architectural direction for the integrations platform and drive platform-level improvements. • Set the quality bar for the Integrations domain — testing strategy, observability standards, incident-prevention practices, production-readiness criteria. • Mentor and grow Senior engineers across the domain and sponsor their next step. • Build communities of practice around integrations engineering, facilitating standards debate and adoption. • Ensure high-performance APIs and microservices are designed for reliability, low latency, and throughput.

Job Requirements

  • 8+ years of backend engineering experience building high-throughput, production-grade systems in Go, Java, or Kotlin — with at least 3 years operating at Senior/Staff/Lead level.
  • Demonstrated track record of leading architectural decisions adopted by multiple teams — not just within your own squad.
  • Direct experience in payments, fintech, or PCI-regulated systems — integrations with PSPs, acquirers, fraud/3DS providers, or comparable regulated infrastructure.
  • Deep expertise in microservices, event-driven architectures, APIs, and integration patterns at scale.
  • Strong experience with SQL and relational databases (PostgreSQL preferred); comfort with caching, queues, and async pipelines.
  • Experience defining technical standards, frameworks, or platform abstractions that other teams build on.
  • Working knowledge of secure software development, OWASP, and PCI-DSS principles.
  • Comfort using AI-assisted development tools (Claude Code, Copilot, or similar) as a core part of your workflow — and an opinion on where they help vs. hurt.
  • Ability to communicate complex technical topics clearly to engineers, Product, and executive audiences alike.
  • Demonstrated experience mentoring and growing other engineers.
  • Full professional proficiency in English — written and spoken.

Benefits

  • Competitive Compensation.
  • Remote Work — work from anywhere.
  • Home Office Bonus — a one-time allowance to set up your ideal workspace.
  • Work Equipment.
  • Stock Options.
  • Health Plan wherever you are.
  • Flexible Days Off.

Related Job Pages

More Full-stack Engineer Jobs

Zartis logo

Senior Fullstack Engineer

Zartis

A Software Services Company

Full TimeRemoteTeam 201-500H1B No Sponsor

• Design and build robust backend services using TypeScript and NestJS • Work with Prisma and AWS to build scalable, production-grade systems • Incorporate AI tooling and prompt engineering into development workflows • Contribute to architectural decisions and technical standards • Help shape AI-assisted or spec-driven development practices • Collaborate closely with stakeholders across engineering and product.

Latin America
HMBL logo

Senior Full Stack Engineer

HMBL

Big things often have HMBL beginnings.

Full TimeRemoteTeam 1-10H1B No Sponsor

• Design, build, and maintain scalable backend services and APIs that support high-volume financial transactions and rewards workflows. • Own full feature delivery across core systems including payments, rewards, account services, and partner integrations. • Contribute to system architecture and technical design as the platform evolves and scales. • Collaborate with frontend and mobile engineers to support end-to-end feature development when fullstack work is required. • Improve reliability, performance, and observability across backend systems through testing, monitoring, and code quality practices. • Participate in sprint planning, technical reviews, and production support for mission-critical services.

United States
Eskimi logo

Software Engineer

Eskimi

Say goodbye to boring results. Say hello to real brand impact.

Full TimeRemoteTeam 201-500Since 2006H1B No Sponsor

• Build and ship features on our real-time bidding platform • Use AI tools to ship code faster — own what you build end-to-end • Contribute to rewriting and modernizing parts of our legacy platform using AI tooling • Help shape how the team works with AI day-to-day

Poland
€3.3K - €5.5K / month
Full TimeRemoteTeam 51-200Since 2022H1B No Sponsor

• Architecture Leadership: Guide the design and evolution of the Audit Copilot platform, ensuring scalability, security, and traceability across the entire ecosystem. • Cross-Team Impact: Operate beyond your own team by identifying dependencies, mitigating technical risks, and ensuring integrations with Data teams are smooth and performant. • Operational Excellence: Define and uphold reliability standards (SLOs) and observability, turning incident learnings into systemic improvements to reduce toil. • Mentorship and Culture: Raise Arvo’s technical bar by mentoring engineers, promoting rigorous design reviews, and spreading best practices (TDD, CI/CD, Clean Architecture). • Strategic Partnership: Collaborate with Product to refine the technical scope of ambiguous initiatives, balancing trade-offs between delivery speed and technical debt.

Brazil