April 25, 2026
Software Engineer, Payment Operations
Mid • Remote
Warsaw, Poland
Who We Are
Wingspan is the first payroll platform designed specifically for independent contractors and their businesses. We simplify onboarding, payments, and compliance for flexible workforces of all sizes, from solo operators to large enterprises.
We're a Series B startup based in NYC with distributed teams in the USA, Poland, and the UK, and backed by Andreessen Horowitz (a16z), Touring Capital, and a strong network of operators, including the CEOs and founders of Warby Parker, Harry's, Allbirds, Invision, and Flatiron Health.
About the Role
As a Software Engineer on the Payment Operations team, you will be responsible for the execution layer that ensures every dollar on Wingspan's platform is accounted for, reconciled, and moved accurately on time. You will have direct access to production systems, a mandate to identify what's broken or inefficient, and the authority to engineer the fix.
This role reports to the Head of Payments & Compliance Operations and is based in Warsaw, Poland, with a remote work model.
What You'll Do
Design, develop, and ship internal systems and automation that eliminate entire categories of operational toil, owning every problem end-to-end from initial diagnosis to permanent fix
Build and maintain reconciliation infrastructure that keeps Wingspan's ledger, bank records, and platform transaction data in continuous alignment, automatically and at scale
Develop monitoring and alerting systems that surface funding health issues and payment anomalies in real time, ensuring problems are caught and resolved before they ever reach a customer
Collaborate with Engineering, Product, and Finance to identify recurring operational patterns and translate them into platform-level improvements that raise the reliability ceiling for the entire system
Contribute to the growth of our engineering culture by sharing knowledge, participating in code reviews, and proactively identifying opportunities to improve how the team builds, observes, and automates
Qualifications & Requirements
3+ years of experience in a software engineering or engineering-adjacent role with exposure to payment systems, backend services, or data pipelines
Strong SQL skills, comfortable writing standalone scripts and using AI tools such as Claude Code, Open AI, etc
Familiarity with RESTful APIs and backend services, with Node.js and TypeScript experience as a plus
High autonomy and high accountability, you thrive in fast-moving environments and default to action over escalation
Compensation
We tailor compensation packages based on expertise, years of experience, certifications, and other relevant factors. Our comprehensive benefits and rewards are designed to help you thrive both professionally and personally.
Perks & Benefits
Unlimited vacation
Competitive stock option package
$300 one time WFH stipend
Top of the line 14" MacBook Pro
Travel stipend for team off sites
Medicover Sports Membership
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Wroclaw, Poland
130,000 - 190,000 USD/yr
🏢 Summary: Senior or Staff Backend Engineer role focused on architecting and scaling AI-native backend systems for a modern accounting platform. The position involves designing distributed services, building high-performance APIs, and establishing engineering standards to support rapid, reliable product delivery. You will work closely with Product, AI, and Operations teams to develop agentic systems and scalable data pipelines. 🗂️ Requirements: 5–10+ years of backend engineering experience, Proven experience designing, building, and operating production backend systems at scale, Strong expertise in API design, Strong expertise in data modelling, Deep understanding of distributed systems trade-offs, Hands-on experience with AWS or GCP in production, Practical experience with CI/CD in high-frequency deployment environments, Experience implementing testing and deployment strategies, Strong knowledge of observability practices, Experience participating in on-call rotations 📃 Skills: TypeScript, Node.js, React, AWS, GCP, Terraform, PostgreSQL, OpenAI, Azure, CI/CD, APIs, DistributedSystems 🏢 Description: ABOUT THE ROLE We're looking for a Senior or Staff Backend Engineer to own and evolve our backend services as we scale. This is a broad, high-impact role — you'll architect new features, build the systems that underpin our core product, and set the engineering standards that shape how the whole team works. The focus is on building a modern, AI-native developer experience. That means working closely with Product, AI, and Operations teams to design agentic systems, distributed data pipelines, and scalable incident response infrastructure — and doing it in a way that lets the team ship with confidence multiple times a day. WHAT YOU'LL WORK ON Architecture and feature design Partner with Product, AI, and Operations teams to architect new features and complex agentic systems. Make clear architectural trade-offs that balance platform, product, and business goals. Backend services and APIs Build and maintain the backend services and APIs that power the core product. Ensure systems are secure, well-tested, and high performance. Distributed systems Design and implement distributed services to orchestrate data pipelines, automate investigations, and enable incident response at scale. Operational excellence Own operational best practices so the team can ship multiple times a day with confidence. Healthy on-call culture and strong observability are part of what you'll build and maintain. Engineering standards Set the bar for writing, communication, and system design across the team. Your influence will shape how a modern AI-native product is built. WHAT WE LOOK FOR 5–10+ years of backend engineering experience A strong track record designing, building, and operating production backend systems at scale. Deep backend fundamentals Expertise in API design, data modelling, and reasoning about distributed systems trade-offs. You understand the nuances, not just the patterns. AWS or GCP hands-on experience Solid understanding of how infrastructure decisions impact application reliability and performance. You've run things in production, not just designed them. CI/CD in practice Practical experience with testing and deployment strategies in high-frequency shipping environments. Observability and on-call maturity A solid grasp of what good observability looks like and how to build healthy on-call practices that don't burn people out. Bonus Experience at an early-stage or scaling startup. Exposure to modern AI and ML systems. Experience shipping product without a dedicated product manager. TECH STACK TypeScript, React, Node.js, AWS, Terraform, PostgreSQL, OpenAI, Azure AI. The team uses GitHub, Slack, Linear, Figma, and Notion day to day. THE TEAM Small, senior, and in-person. The office is in central Wrocław, next to the main train station. The expectation is 4–5 days a week in the office. Relocation support is available for the right candidate. COMPENSATION & BENEFITS Salary $130,000 – $190,000 USD depending on experience, plus competitive equity. Wellness and commute stipend $100 per month. Hardware Premium hardware provided — MacBook Pro and AirPods. Food Daily in-office lunch and dinner. Time off 20 PTO days plus 9 US public holidays. Relocation Support available for candidates relocating to Wrocław.