Company
FinTech
SeniorFullStackEngineer(Checkout)
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior Full Stack Engineer (Checkout). Skills: Backend Development, Full-Stack Development, API Design, Distributed Systems. Own and develop backend capabilities. Develop integrations”
Industry & Context.
Problem-solving; Navigate complex systems
What They're Looking For.
Must Have
Extensive backend software engineering experience, TypeScript expertise, Node.js expertise, Proven full-stack development capabilities, Modern web applications with React and TypeScript, Understanding of API design, Understanding of distributed systems, Understanding of asynchronous workflows, Understanding of service integrations, Experience integrating third-party platforms, Experience integrating external APIs, Handling complex edge cases, Handling failures, Handling recovery scenarios, Familiarity with cloud-native development, Familiarity with containerized environments, Familiarity with modern deployment practices, Working knowledge of Web3 technologies, Working knowledge of blockchain transactions, Working knowledge of decentralized applications, Working knowledge of related ecosystems, Problem-solving skills, Ability to navigate complex systems independently, Ability to collaborate across multiple teams, Excellent communication skills in English, Excellent stakeholder management skills in English, Ability to thrive in a fast-paced environment
Nice to Have
Experience with payment systems, Experience with fintech platforms, Experience with digital wallets, Experience with exchanges, Experience with onboarding flows, Experience with compliance-related processes, Interest in emerging technologies, Interest in decentralized finance, Interest in blockchain innovation
What You'll Do.
Own and develop backend capabilities
Develop quote management
Develop session handling
Develop status tracking
Develop recovery processes
Develop transaction orchestration
Design integration frameworks
Implement integration frameworks
Maintain API contracts
Build resilient solutions
Focus on observability
Collaborate with engineering teams
Collaborate with product teams
Collaborate with platform teams
Contribute to frontend development
Design user interfaces
Participate in technical discovery
Participate in architectural discussions
Participate in continuous improvements
Take ownership of features
Ensure high-quality implementation
Ensure long-term support
How You'll Work.
Team & Collaboration
Cross-functional teams; Engineering teams; Product teams; Platform teams
Communication Scope
Stakeholder management
Full Job Description
## Accountabilities Own and develop backend capabilities that power end-to-end checkout and transaction workflows, including integrations, quote management, session handling, status tracking, recovery processes, and transaction orchestration. Design and implement scalable integration frameworks for external service providers, ensuring a consistent and reliable user experience across multiple systems. Define, maintain, and evolve API contracts and backend services that connect frontend applications, partner systems, and core infrastructure. Build resilient solutions for asynchronous, long-running, and failure-prone workflows, with a strong focus on observability, reliability, and recovery. Collaborate closely with engineering, product, and platform teams to align technical architecture and support cross-functional initiatives. Contribute to frontend development where required, particularly when designing user interfaces that closely interact with backend systems and workflows. Participate in technical discovery, architectural discussions, and continuous improvements to enhance scalability, maintainability, and performance. Take ownership of features from concept to deployment, ensuring high-quality implementation and long-term support. Requirements Extensive experience in backend software engineering with strong expertise in TypeScript and Node.js. Proven full-stack development capabilities, including experience building modern web applications with React and TypeScript. Strong understanding of API design, distributed systems, asynchronous workflows, and service integrations. Demonstrated experience integrating third-party platforms and external APIs while handling complex edge cases, failures, and recovery scenarios. Familiarity with cloud-native development, containerized environments, and modern deployment practices. Working knowledge of Web3 technologies, blockchain transactions, decentralized applications, or related ecosystems. Strong problem-solving skills wit
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