Payments and Expense Management - Principal Engineer

Ottimate

133d • $180,000 - $220,000

About The Position

Ottimate is an AI-powered AP [Accounts Payable] automation platform that empowers finance teams to reduce costs, prevent overpayments, detect fraud, and enforce policy compliance across the entire invoice-to-payment lifecycle. We are seeking a highly experienced Principal Engineer/Architect to join our growing engineering team in the US. As a Principal Engineer, you will play a critical role in designing, building, and scaling our payment processing and financial transaction systems with a primary focus on high-volume payment and expense management platforms. You will work closely with cross-functional teams to deliver reliable, secure, and high-performance payment services.

Requirements

• 10+ years of professional experience working on web applications using modern software engineering processes, with a significant focus on backend development
• 5+ years of experience in the fintech industry in the US, with a proven track record of building and scaling high-volume payment products
• Ability to both do hand-on engineering and lead a team of software engineers and product managers
• Demonstrated ability to both perform hands-on engineering and lead a team of software engineers and product managers
• Deep expertise in building complex software systems, with skills in both backend and frontend. Expertise in Python and Django is a big bonus
• Extensive experience debugging complex database performance issues, especially in payment systems
• Strong understanding of payment technology in the US, including compliance regulations, risk management, and security best practices for financial transactions
• Critical thinking about work and asking questions to improve the product, focusing on technical implementation and user needs in a payment context
• Extensive background in developing and scaling B2B SaaS solutions, ideally within the fintech or payments sector
• Strong communication skills to explain complex technical topics (especially related to payments and compliance) clearly and concisely
• Eager to diagnose and fix core issues, particularly concerning payment system outages
• Communication skills necessary to have calls with customers, especially to discuss new payment features, provide initial onboarding support for payment integrations, provide training, and assess initiative’s success
• Experience working in an early-stage startup is a huge plus
• Product Sense. Ability to prioritize the customer experience and build the correct infrastructure to support it, specifically for payment products

Nice To Haves

• Extensive experience building complex payments or finance stack solutions
• Expertise with the AWS ecosystem, particularly services relevant to high-volume transaction processing and financial data

Responsibilities

• Architect and develop robust, scalable payment and expense management systems
• Lead technical design discussions and own backend service architecture decisions for critical payment and expense management infrastructure
• Collaborate with engineers, designers, product managers, and other stakeholders in defining the user experience for payment products
• Drive best practices for backend and frontend development, including testing and code reviews, with a strong emphasis on security and compliance in payment systems
• Evaluate and implement new tools, technologies, and frameworks to improve engineering efficiency and payment processing capabilities
• Troubleshoot and optimize the performance, reliability, and scalability of existing payment systems, especially for high-volume transactions
• Contribute to technical roadmaps and long-term planning with engineering leadership, focusing on the evolution of our payment technology in the US
• Support the Product team, and help define and research potential new avenues for revenue, particularly in the payments space

Benefits

• Salary range: $180,000-220,000 USD per year + bonus compensation
• Opportunity to drive a business that is processing $3B+ volume in payments annually and growing 50%+ YoY
• Shape technical solutions for a fast-growing SaaS company, with a direct impact on our payment and expense management platforms
• Competitive compensation, including base salary and performance incentives
• Collaborative, remote-first culture with a focus on innovation and impact
• Comprehensive benefits package, including healthcare, 401(k), and flexible PTO

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 251-500 employees