Staff Software Engineer - Payments

FastSpring; Deutschland; Hybrid; EUR 151.000 - 170.000; Vollzeit

Benefits dieser Stelle

Bonus plan

Benefits

Zusammenfassung

FastSpring is seeking a Staff Software Engineer to join the Payments team, delivering a full-service ecommerce platform with payment processing, subscriptions, settlement, refunds, and reporting.

You will lead design and development within agile teams, integrating with external payment platforms and ensuring robust, scalable delivery with automated builds, tests, and deployments. Flex hours support local and remote collaboration.

Qualifikationen

• 10+ years of SaaS software development with Java.
• 4+ years of SQL (PostgreSQL) and NoSQL storage.
• 3+ years implementing RESTful services with public APIs.
• 3+ years AWS (EC2/S3/RDS/DynamoDB; Lambda a plus).
• 3+ years HTML/CSS/JavaScript/Angular experience; Vue a plus.
• Bachelor's or Master's in Computer Science or equivalent.

Aufgaben

• Lead design and development of features for payment processing and reporting platforms.
• Lead integrations with payment processors, card networks, and APMs.
• Ensure robust delivery with automated build, tests, and deployment.
• Debug and optimize performance; ensure reliability of money-movement flows.
• Decompose large features into small tasks for incremental releases.
• Mentor junior developers and participate in design reviews.
• Adopt best practices for coding standards, testing, deployment.
• Collaborate with Product, Risk, Finance, and Compliance to meet PCI-DSS/PSD2/SCA/3DS2.
• Flexible hours to work with local and remote teams.
• Respond to production issues and pursue continuous improvement.

Kenntnisse

Java

SQL (PostgreSQL)

REST APIs

HTML/CSS/JS

Vue

AWS

Docker

Linux

AI tooling

NoSQL

Unit tests

Ausbildung

Bachelor's or Master's in CS

Tools

Docker

Jobbeschreibung

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 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

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.