Hiring.Camp

Senior Software Engineer - Payments

Fastspring

·

Jun 15, 2026

Location
Remote
Workplace
Remote
Type
full-time
Department
Engineering
Seniority
Senior
Experience
4+ years
Education
Master
Industry
Technology
Category
Engineering
Environment
Office
Source
Greenhouse

Overview

As a Senior Software Engineer on the Payments team at FastSpring, you'll lead the design and development of industry-leading payment processing, subscription billing, and reporting platforms. You'll integrate with external platforms like payment processors and card networks, ensure robust software delivery through automated processes, and mentor junior developers. The role requires 10+ years of Java experience in commercial SaaS solutions, expertise with SQL/NoSQL databases, RESTful architectures, and AWS services. FastSpring offers a globally engaged culture with remote work options and a commitment to employee growth and development.

Description

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.

Company Overview

FastSpring is the world's leading ecommerce platform for software and SaaS companies. At FastSpring we are on a mission to democratize the software space by partnering with growing software companies to strategically enhance the selling of their products and compete on the global stage. Our product hosts over 10 million transactions per year, powering sales growth for more than 3,500 companies in over 200 countries, using every major currency.

We are an Inc. 5000 honoree, noted as one of America's fastest growing companies, with recognition of numerous additional workplace awards. Backed by AKKR, we are already profitable and have an engaged culture with remote staff globally and offices in Santa Barbara, Amsterdam, Belfast, and Halifax.

We are committed to building an inclusive work environment and invest in our employees by promoting growth and development across every level. As a team, we are business professionals who are globally-minded, customer-focused, and driven to innovate.

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
$145,000$156,000 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.

Skills

JavaScriptJavaAngularDockerLinuxSQLPostgreSQLDynamoDBCompliance

Benefits

Remote work optionsGlobally engaged cultureEmployee growth and development commitment

Remote Scope

Global

About FastSpring

FastSpring is a leading ecommerce platform for software and SaaS companies, handling payment needs from checkout to taxes with offices globally.

Similar Jobs

30

Senior Software Engineer

Yipitdata · US Remote +1 · Remote

Today

Senior Software Engineer

Brainlabs · United States

Today

Senior Software Engineer

MercadoLibre · Bogotá, Bogota,CO, CO

Today

Senior Software Engineer

WISE · London, United Kingdom

Today

Engineer Senior, Software

Zensar Technologies · India

Today

Senior Engineer Software

Infineon · Bengaluru, KA,IN, IN

Today

Senior Software Engineer

Human Interest · United States, Remote +1 · Remote

Yesterday

Senior Software Engineer

Business Assurance · Chennai, India

Yesterday

Software Developer Senior

GDIT · USA NY Albany - 22 Corporate Woods Blvd (NYS014), United States of America

Yesterday

Senior Software Engineer

Freddiemac · Headquarters 3, United States of America

Yesterday

Senior Software Engineer

Cox brings together the world · Atlanta, GA - 6305 Peachtree Dunwoody Rd Bldg B, United States of America · Remote, Hybrid

Yesterday

Senior Software Engineer

Career opportunities · R131-Bangalore, India · Hybrid

Yesterday

Senior Software Engineer

Cat · Irving, Texas, United States of America +1

Yesterday

Senior Software Engineer

Solventum · Remote - Pennsylvania, United States of America +1 · Hybrid, Remote

Yesterday

Senior Software Developer

Serco · Roma, Lazio, IT · Remote

Yesterday

Senior, Software Engineer

Walmart · (USA) Hula Building Bentonville AR Home Office, United States of America · Remote, Onsite

Yesterday

Senior Software Engineer

Onto Innovation · Budd Lake-NJ, United States of America

Yesterday

Sr. Software Engineer

Jobs at Align Technology | Align Technology Careers · EMEA-Germany-Darmstadt-Tech

Yesterday

Senior Software Engineer

Miqdigital · Bengaluru, India

Yesterday

Senior Software Engineer

Onto · Budd Lake-NJ, United States of America

Yesterday

Sr Software engineer

Lowe's · IND LBT, India · Onsite

Yesterday

Senior Software Engineer

Lowe's · IND LBT, India · Onsite

Yesterday

Senior Software Engineer

Usbank · Chennai, India

Yesterday

Senior Software Engineer

Usbank · Chennai, India

Yesterday

Senior Software Engineer

Usbank · Chennai, India

Yesterday

Sr Software Engineer

Communitybrands · IN-Pune, India

Yesterday

Senior Software Engineer

Enghouse · Vilnius, Vilnius, Lithuania

Yesterday

Senior Software Engineer

Mastercard · Pune, India

Yesterday

Senior Software Engineer

The Future of Health Starts with You · Bangalore, KA, IND - 8th Floor of Onyx Building (I009), India · Hybrid

Yesterday

Senior Software Engineer

Redapt · Las Vegas, Nevada, United States; Seattle, Washington, United States; US - Remote +2 · Remote

Yesterday
Remote Senior Software Engineer - Payments at Fastspring | Hiring.Camp