About FastSpring:
FastSpring is how AI, SaaS, gaming, software, and digital product companies sell online in more places around the world. We handle all payment needs from checkout to taxes so you can go farther faster.
Founded in 2005, we are a privately owned company headquartered in Santa Barbara with offices in Amsterdam, Austin, Belfast, Dublin, Halifax, and Singapore.
The Position:
FastSpring is looking for a Senior Software Engineer to join our Payments team, designing and developing the systems that power our industry-leading full-service ecommerce platform — payment processing, subscription billing, settlement, refunds, and reporting.
Responsibilities:
Working within our agile software development teams, lead design and development of product features for highly available payment processing, subscription billing, and reporting platforms
Lead integrations with external platforms such as payment processors, card networks, and alternative payment methods (APMs)
Ensure a robust software delivery process through clear procedures as well as automated build, test, and deployment capabilities
Debug and troubleshoot complex issues, optimize system performance, and ensure reliability across money-movement flows
Reduce time to market by decomposing large feature requirements into small development tasks suitable for incremental releases
Participate in design and code review with other team members
Mentor junior members of the development team
Manage software issues through tickets according to product development priorities
Lead the adoption of best practices for coding standards, testing, and deployment
Work with other FastSpring team members — Product, Risk, Finance, and Compliance — to understand and incorporate business and regulatory requirements (PCI-DSS, PSD2/SCA, 3DS2) into product solutions
Flexible hours to work with local and remote team members on feedback and requirements
Respond to production issues and apply continuous improvement techniques to fully resolve them
Qualifications:
10+ years of software development experience delivering commercial SaaS solutions using Java
Experience in the Payments industry and/or integrating with a third-party payment API is a plus
Passionate problem solver with a proven track record of delivering high-quality software solutions
4+ years of experience with SQL (PostgreSQL) and NoSQL storage
3+ years of experience implementing RESTful service-oriented architectures with public APIs
HTML / CSS / JavaScript / Angular experience; Vue a plus
Unit testing, mocking, and automation experience
3+ years experience with Amazon Web Services, including EC2, S3, RDS, DynamoDB; experience with Lambda is a plus
Experience with Linux; experience with containers & Docker is a plus
Comfortable using AI-assisted development tooling — our engineers use Claude Code day-to-day to accelerate design, implementation, and review
Bachelor's or Master's degree in Computer Science or equivalent experience
Consistent with FastSpring's values and applicable law, we provide the following information to promote pay transparency and equity. The base pay range below represents a good faith estimate of the low and high end base pay range for the listed position. This role may be eligible for the corporate bonus plan (or, if a sales role, a commission plan as defined in the sales incentive plan document). In addition, FastSpring provides a variety of benefits to employees.
Estimated Base Pay Range
$175,000—$196,800 USD
About the Company:
FastSpring is an EQUAL EMPLOYMENT OPPORTUNITY/AFFIRMATIVE ACTION employer. Candidates are considered for employment with FastSpring without regard to their race, color, religion, national origin, age, sex, gender, pregnancy, disability, sexual orientation, gender identity, genetic information, military status, veteran status (specifically status as a disabled veteran, special disabled veteran, Vietnam Era veteran, recently separated veteran, armed forces service medal veteran, or other protected veteran) or other classification protected by applicable federal, state or local law.
AI Transparency Statement:
FastSpring may utilize artificial intelligence (AI) or automated tools during portions of the recruitment process to assist with operational and administrative activities, including candidate communications, scheduling, application organization, and interview documentation. These tools are designed to support efficiency and consistency within the hiring process. AI systems are not used as the sole determinant of hiring outcomes, and all employment decisions are made by qualified human reviewers. We are committed to responsible and fair hiring practices and continue to evaluate our use of technology accordingly.
FastSpring is a payment processing and commerce platform that enables AI, SaaS, gaming, software, and digital product companies to sell online globally. Founded in 2005, the company handles comprehensive payment needs including checkout, tax compliance, and payment processing, allowing customers to expand their reach into new markets. FastSpring serves as a critical infrastructure provider for digital product companies, managing the complexities of international payments and regulatory compliance so businesses can focus on growth.
