Senior ERP Systems Software Engineer

As a Senior Software Engineer at Tipalti, you'll join a fast-growing fintech on a mission to automate and optimize financial workflows for SMBs. Our engineering culture is collaborative, product-driven, and focused on delivering real impact for customers.

This role blends hands-on development with a strong product mindset. You'll play a key role in building and scaling integration capabilities-particularly around ERP systems (with a preference for NetSuite)-while contributing across the full software development lifecycle.

You'll work closely with Product, Design, and external partners to define requirements, shape solutions, and deliver high-quality, scalable systems.

Responsibilities

• Design, build, and maintain robust, scalable, and well-tested software across the stack
• Lead development of ERP integrations, particularly with NetSuite and similar platforms
• Develop and maintain APIs, services, and event-driven systems
• Participate in architecture and design discussions, helping shape technical direction
• Collaborate closely with Product Managers to refine requirements and propose solutions
• Identify edge cases, raise technical considerations, and improve system reliability
• Conduct code reviews and uphold high standards for code quality and maintainability
• Contribute to system design for performance, scalability, and security
• Work with external partners and vendors on integration initiatives (ERP, payment systems, etc.)
• Mentor engineers and share knowledge across the team

• Strong experience building backend systems using C# / .NET Core
• Experience integrating with ERP systems, especially NetSuite
• Experience working with SQL (MSSQL) and NoSQL databases (MongoDB, Redis)
• Experience building and consuming APIs (REST and/or SOAP)
• Familiarity with event-driven architectures and messaging systems (e.g. RabbitMQ, Bull/Redis)
• Experience working with cloud platforms (AWS preferred)
• Strong understanding of software design principles and clean coding practices
• Comfortable working across the full stack when needed
• Excellent communication and collaboration skills

• Open, inclusive, and supportive engineering culture ?
• Work on products used by some of the world's fastest-growing companies
• Equity in a late-stage scale-up
• Breakfast and lunch provided three days a week (Mon, Tue, Thu)
• Private medical and dental cover
• £100/month mobile allowance + £26/month internet allowance
• Daily breakfast and snacks in the office
• ?? 25 days holiday + bank holidays

Our Mission

Our mission is to elevate how finance teams operate in the global economy. We empower our customers to scale faster and smarter by removing the complexities of doing global business and accelerating their finance operations efficiency. We are the AI-powered platform that automates finance.

Tipalti is fueled by a commitment to our customers and a desire to build lasting connections. Our client portfolio includes high-velocity businesses such as Amazon Twitch, GoDaddy, Roku, WordPress.com, and ZipRecruiter. We work hard for our 99% customer retention rate which is built on trust, reliability and innovation. Tipalti means we handled it" - a mission to which we are constantly committed.

Accommodations Tipalti champions inclusive teams, in which every voice counts. We are committed to recruiting diverse candidates with varied personal experiences and abilities. We welcome applications from candidates belonging to historically underrepresented or disadvantaged groups, and maintain an equitable Talent Acquisition process that is free from discrimination.

As an equal opportunities employer, Tipalti complies with employment and human rights laws across the various jurisdictions in which we operate. Should you require reasonable adjustments or accommodations during the recruitment process, including access to alternate formats of materials, meeting spaces, or other accommodations that could better enable your full participation, please reach out to for assistance.