Senior Software Engineer

Perk.com Inc.

Job Overview

Location

Barcelona

Job Type

Full-time

Full Job Description

📋 Description

• Own the end-to-end payments experience for 10,000+ companies, designing and building systems that handle real money movement for travelers and financial controllers, including payment method setup, checkout, refunds, and fintech add-ons.
• Architect scalable, auditable, and idempotent financial state machines that ensure correctness and reliability in a high-stakes financial environment where errors are not acceptable.
• Collaborate with finance-focused product managers and designers to translate complex business goals into technical roadmaps, de-risking ambiguous projects through spikes and prototyping.
• Lead the design and implementation of payment system improvements, proactively identifying areas to harden, simplify, or invest in the payments stack before they impact customers.
• Write detailed design documents for significant changes to the payments architecture, ensuring long-term maintainability, performance, and failure isolation.
• Coordinate cross-squad deliverables with Payments Governance and Payments Platform teams, aligning stakeholders on technical decisions and resolving blockers across organizational boundaries.
• Lead incident response and blameless post-mortems for production issues, defining and managing SLOs, observability practices, and SRE standards for the payments domain.
• Uphold and enforce engineering excellence through CI/CD optimizations, testing strategies, and coding standards across the full stack, ensuring high-quality, secure, and maintainable code.
• Mentor junior engineers in payments engineering patterns, model best practices in financial system design, and provide thoughtful feedback during design reviews.
• Influence the product roadmap with technical data, advocating for reliability, clarity, and user experience in CFO-facing financial systems.
• Leverage AI-augmented workflows daily, using AI-connected tools in Notion, Jira, GitHub, and Slack to accelerate feature specification, code writing, and automated PR reviews.
• Embrace agentic coding as an active collaborator, developing custom AI skills to extend capabilities and improve development velocity.
• Participate in two-week Kanban cycles with standups, planning, refinements, and retrospectives, operating with real ownership of the payments experience domain.
• Work in-person three days a week at the Barcelona office, collaborating closely with cross-functional teams to enhance connectivity, creativity, and productivity.
• Ensure operational security through secrets hygiene, dependency risk management, and hardened production environments to protect customer financial data.
• Contribute to engineering guilds and cross-team initiatives to raise the bar for engineering quality and consistency across the organization.

🎯 Requirements

• Proven experience architecting scalable, auditable financial systems with a focus on correctness and reliability
• Demonstrated leadership in end-to-end product development for customer-facing financial experiences
• Strong full-stack engineering fluency with deep expertise in either frontend or backend, and ability to make architectural decisions across the stack
• Experience leading incident response, defining SLOs, and implementing observability and SRE practices
• Track record of mentoring engineers and influencing technical direction through design reviews and roadmap input
• Experience with or strong interest in AI-augmented development workflows, including agentic coding and AI-powered code reviews

🏖️ Benefits

• Opportunity to shape the payments experience for over 10,000 global companies
• Collaborative, cross-functional team environment with product, design, and finance stakeholders
• Access to AI-powered development tools integrated into daily workflows (Jira, GitHub, Slack, Notion)
• Relocation support available for candidates outside Barcelona

Skills & Technologies

GitHub

Senior

Onsite

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Perk.com Inc.

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About Perk.com Inc.

Perk.com Inc. operates a cloud-based employee rewards and recognition platform that lets employers allocate points redeemable for merchandise, gift cards and experiences. The SaaS product integrates with HRIS and collaboration tools to automate milestone and peer-to-peer awards, provide analytics on engagement, and manage global tax-compliant fulfillment. Founded in 2010 and headquartered in Austin, Texas, the company serves mid-market to Fortune 500 clients seeking to reduce turnover and reinforce culture through real-time recognition programs.

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