---
title: 'Senior Software Development Engineer in Test at Episode Six US'
canonical: 'https://feeny.ai/job/senior-software-development-engineer-in-test-episode-six-us-argentina-554mmhbz0bdj'
type: 'job'
last_seen: '2026-09-08'
---

# Senior Software Development Engineer in Test at Episode Six US 

- **Company:** Episode Six US 
- **Location:** Argentina
- **Posted:** 2026-07-28
- **Last confirmed live:** 2026-09-08
- **Apply:** https://job-boards.greenhouse.io/episodesixlinkedin/jobs/6129103004

## Job description

How do you want to pay? It’s a question you’ve answered on-screen or in-person thousands of times, but your choices have always been limited. Imagine the flexibility to pay however you want – credit, debit, multiple currencies, frequent flyer miles, loyalty points, or digital payments - all on the same card or digital wallet. Sound impossible? Episode Six makes the seemingly impossible happen every day.

We are a global provider of API-based payment processing and wallet management infrastructure. We’re 100% cloud-native, hyper-configurable, and a “Top 10 Place to Work in Fintech.” And we’re changing how people think about payments.

Today, we’re powering payments for one of the world’s largest banks and airlines and numerous innovative fintechs. E6 is headquartered in Austin with offices in Tokyo, Singapore, Brisbane, and London. We provide technology for clients in 24 countries on four continents. Since 2018 when we launched with HSBC, we have grown more than 10x.

Interested in redefining what’s possible in payments? Join Episode Six today.

What we’re hiring for:

We are a growing fintech organization looking to add a Senior Software Development Engineer in Test!

What you’ll be responsible for in this role:

- Leading testing effort in the payments, card issuing and revolving credit domain.
- Reviewing requirements, specifications, and technical design documents to provide timely and meaningful feedback.
- Creating detailed, comprehensive, and well-structured test plans and test cases in JUnit 5.
- Preparing quality assurance policies and procedures
- Designing, developing, and executing automation code.
- Identifying, recording, documenting, and tracking bugs.
- Performing thorough regression testing when bugs are resolved.
- Developing and applying testing processes for new and existing products.
- Tracking quality assurance metrics and statistics.
- Staying up to date with new testing tools, diverse types of test strategies, and assuring ongoing compliance with quality and industry regulatory requirements.
- Communicating technical information, both written and verbal, effectively to other team members and customers of varying technical experience.
- Working collaboratively with other team members, teams and customers on projects, and other similar or related tasks.
- This is not an exhaustive list, and your duties and responsibilities will also include any incidental and administrative duties as are reasonably required or reasonably desirable for the performance of the duties and responsibilities set out above.

What experiences and skills are necessary to be successful in this role:

- Proficiency in the Java programming language and JUnit test framework.
- Proven domain knowledge and experience in testing within the payments and card industry. Proficiency in various testing methodologies, tools, and techniques specific to this domain.
- Familiarity with regulatory standards and industry-specific protocols.
- Ability and willingness to delve into unfamiliar domains, rapidly acquiring necessary expertise for effective testing.
- Previous experience in backend Java enterprise software system testing.
- Previous experience in automating API (REST) testing.
- Experience working with CI/CD pipeline using Jenkins or other CI/CD platforms.
- Proven record with large complex projects and SDLC processes.
- Experience working with RDBMS and NoSQL Databases such as MySQL and Cassandra. Ability to write, execute, and debug SQL queries to perform database testing and validation.
- Great problem solving and decision-making skills; strong attention for detail to ensure comprehensive test planning.
- Ability to read, write, listen, and speak English with at least business fluency.

What makes a successful E6er?

- We appreciate the unique backgrounds, skill sets, experiences, and contributions each E6er brings. With a strong culture of respect for all, we foster an inclusive and supportive environment for every E6er to excel and grow.
- We take immense pride in everything we do, no matter how big or small. We work hard, we work smart, and we sweat the details. We are humble enough to know that we do not know it all. We are excited to come to work every day, knowing we will be learning, improving, innovating, and making an impact.
- A people first mentality. Professional development from day 1, a 360 focus on your wellbeing, and the ability to work where you need to, we’re here to support you.

E6 is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics.

E6 is committed to providing reasonable accommodation for qualified individuals with disabilities who may require additional assistance in engaging in our application and interview process. Please feel free to reach out to E6's Talent Acquisition Team at recruiting@episodesix.com if you need any assistance completing our application or need accommodation during your interview process.

## About Episode Six US 

## Company Overview
- **One-liner**: Episode Six provides enterprise-grade, cloud-native card issuing and ledger infrastructure for banks, fintechs, and brands to build and scale modern payments products.
- **Entity Type**: Private (Series C, $48M round led by Avenir in May 2023)
- **Headquarters**: Austin, Texas, United States
- **Founded**: 2015
- **Founders**: John Mitchell (CEO), Chermaine Hu (CFO), Futeh Kao (CTO)

## Core Business
- **Primary industry**: Financial technology / Payments infrastructure
- **Target customers**: Banks, financial technology companies, brands, lenders, and consumer/B2B fintechs
- **Mission**: To help clients leave legacy payments technology behind and build the products their customers love – with flexible, resilient, and adaptable infrastructure.

## Products & Services
- **e6Issuing** – A future-ready issuer processor for prepaid, debit, and credit cards. Built on the proprietary Tritium® platform, it can be hosted on-premise or in a PCI-compliant cloud and offers near-unlimited configuration options for products, merchant controls, velocity, and fees.
- **Ledger Management** – Cloud-native ledger infrastructure enabling virtual accounts, embedded wallets, deposits, lending, and rewards programs.
- **Platform Dashboard** – Intuitive, permission-based interface for real-time risk management, customer servicing, interest rates, fees, and product configuration.

## Market Standing
- **Valuation**: Not publicly disclosed (total funding of $98M).
- **Key Metric**: Annual revenue of $21.5M (LinkedIn estimate) and total funding of $98M across 6 rounds.
- **Notable Investors/Partners**: Avenir (led Series C), HSBC (led Series A), SBI Investment, Mastercard, Japan Airlines, Anthos Capital.
- **Growth Signals**: 70+ enterprise customers, 40 million+ end users, presence in 45+ markets and 16 AWS regions. Workforce of 126 employees across 20 countries (monthly headcount growth +1.8%). Active job postings increased 150% month-over-month (35 open roles as of mid-2025).

## Competitive Advantages
- **Proprietary Tritium® platform** – hyper-configurable, cloud-native architecture that allows real-time changes to rates, fees, and controls without code rewrites.
- **Global scale** – operates as the world’s only globally distributed issuer processor, supporting deployment in any AWS region.
- **Flexibility** – can act as system of record or cooperatively authorize against existing systems, enabling fast deployment and easy integration.
- **Deep industry expertise** – co-founders have decades of experience and have built six payments ventures together.

## Strategic Focus
- **Expanding global reach** – growing into new markets across APAC, EMEA, and the Americas.
- **Enabling rapid product launches** – helping clients launch card, deposit, lending, and embedded finance products faster.
- **Strengthening platform configurability** – continuing to add real-time self-service controls and integrations.
- **Attracting top engineering talent** – actively hiring to support platform growth and client demand.

## Why Work Here
- **Global & remote-first culture** – employees in 20 countries, with flexible work arrangements and a “follow the sun” support model.
- **People-first values** – emphasizes flexibility, excellence, expertise, respect, and putting employee needs and professional goals at the forefront.
- **Strong engineering focus** – 60 of 126 employees are in technical roles; the engineering culture values deep thinking, ownership, and continuous learning.
- **Collaborative environment** – small, smart team that works hard but celebrates wins; values diverse ideas and backgrounds.
- **Career growth** – rapidly scaling company with clear upward mobility (35 open roles, including senior and director-level positions).

## Sources
1. [episodesix.com – About Us](https://episodesix.com/about-us)
2. [episodesix.com – Company/Careers](https://episodesix.com/company/careers)
3. [episodesix.com – Homepage](https://episodesix.com/)
4. [LinkedIn – Episode Six Company Page](https://www.linkedin.com/company/episode-six)
5. [CBInsights – Episode Six Profile](https://www.cbinsights.com/company/episode-six)

## Other roles at Episode Six US 

- [Client Project Manager](https://feeny.ai/job/client-project-manager-episode-six-us-japan-hd309h797rps) — Japan
- [Business Analyst](https://feeny.ai/job/business-analyst-episode-six-us-chennai-g9d9zz7ckcm1) — Chennai, India
- [Software Development Engineer in Test](https://feeny.ai/job/software-development-engineer-in-test-episode-six-us-argentina-dm9rdvzza5f1) — Argentina
- [Software Development Engineer in Test](https://feeny.ai/job/software-development-engineer-in-test-episode-six-us-argentina-p149kqsfmrcp) — Argentina
- [Senior Software Development Engineer in Test](https://feeny.ai/job/senior-software-development-engineer-in-test-episode-six-us-dominican-republic-ca4ed70hdvfj) — Dominican Republic
- [Senior Software Development Engineer in Test](https://feeny.ai/job/senior-software-development-engineer-in-test-episode-six-us-toronto-qmryzvyjz459) — Toronto, Canada
- [Solutions Architect](https://feeny.ai/job/solutions-architect-episode-six-us-hong-kong-27yzqkahsqp3) — Hong Kong, China
- [Solutions Architect](https://feeny.ai/job/solutions-architect-episode-six-us-singapore-m5zqy9mrkefv) — Singapore
- [Platform Operations Specialist](https://feeny.ai/job/platform-operations-specialist-episode-six-us-australia-vd40cwcmh1v8) — Australia
- [Platform Operations Specialist](https://feeny.ai/job/platform-operations-specialist-episode-six-us-singapore-f8vx97cc8s8w) — Singapore