Staff Software Engineer - Payments

The Position:

FastSpring is looking for a Staff 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