API Integration Support Engineer

Posted Yesterday
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Austin, TX, USA
Hybrid
37-47 Hourly
Junior
Fintech • Mobile • Payments • Software • Financial Services
Wise is one of the fastest growing fintechs in the world and we’re on a mission to make money without borders a new norm
The Role
Provide technical support for Wise Platform enterprise API partners across multiple channels. Troubleshoot REST APIs, investigate logs and databases, interpret errors, respond to production incidents, coordinate high-severity escalations, and collaborate with engineering and commercial teams. Document recurring issues and share insights to improve platform reliability and partner integration experiences.
Summary Generated by Built In
Company Description

Wise is a global technology company, building the best way to move and manage the world’s money.
Min fees. Max ease. Full speed.

Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.

As part of our team, you will be helping us create an entirely new network for the world's money.
For everyone, everywhere.

More about our mission and what we offer.

Job Description

API Integration Support Engineers ensure that our Wise Platform enterprise partners get a rapid, highly effective response when issues arise. Whether it is answering complex questions about the behavior of an API or acting as the first responder for a major system incident, you are the technical anchor for our partners.

We are looking for an API Integration Support Engineer to join our Integration Success Team and scale our servicing capabilities for the Wise Platform in North America. You will be part of a global, 24/5 team—spanning Austin, Tallinn, and Singapore—dedicated to maintaining the highest quality and reliability for our partners’ technical integrations.

Your Mission:

  • Multi-Channel Troubleshooting: Support our enterprise API customers across email, chat, phone, and video conferencing, jumping in to resolve critical issues in real-time.

  • Technical Deep-Diving: Develop a deep expertise in Wise API and SWIFT products. You will independently test and debug REST APIs, interpret system logs, and query databases to trace issues back to their source.

  • Incident Response: Act as the calm, decisive first responder during major technical incidents, navigating high-severity escalations while coordinating with global engineering and commercial teams.

  • Knowledge Sharing: Capture trends in partner issues and feed this data back to our product and engineering teams to drive proactive platform improvements.

  • Cross-Functional Collaboration: Work alongside global teams to ensure Wise Platform partners have a seamless integration experience and industry-leading assistance.

Qualifications

Must Haves: 

  • 2 to 3 years of relevant technical support experience, including hands-on troubleshooting of REST APIs and supporting production systems.
  • Strong understanding of REST APIs, including testing, debugging, and interpreting API requests, responses, and error codes.
  • Familiarity with JSON, web authentication methods, and API documentation.
  • Experience using IDEs and version control tools to investigate technical issues.
  • Ability to troubleshoot production incidents, prioritize issues, and collaborate with Engineering teams to drive resolution.
  • Strong communication skills, with the ability to explain complex technical issues to both technical and non-technical stakeholders.

Nice to Haves: 

  • Experience with command-line tools such as Bash or Zsh.
  • Familiarity with log analysis and monitoring tools such as Kibana or Grafana.
  • Experience supporting applications built on microservices architectures.
  • Experience in payments, fintech, or enterprise technical support environments.
  • Basic programming knowledge in Python, JavaScript, or a similar language.

Additional Information

For everyone, everywhere. We're people building money without borders  — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive.

We're proud to have a truly international team, and we celebrate our differences.
Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.

If you want to find out more about what it's like to work at Wise visit Wise.Jobs.

Keep up to date with life at Wise by following us on LinkedIn and Instagram.

Skills Required

  • 2 to 3 years of relevant technical support experience
  • Hands-on troubleshooting of REST APIs and production systems
  • Strong understanding of REST API testing, debugging, requests, responses, and error codes
  • Familiarity with JSON, web authentication methods, and API documentation
  • Experience using IDEs and version control tools
  • Ability to troubleshoot production incidents, prioritize issues, and collaborate with Engineering teams
  • Strong communication skills with technical and non-technical stakeholders
  • Experience with Bash or Zsh command-line tools
  • Familiarity with Kibana or Grafana
  • Experience supporting microservices architectures
  • Experience in payments, fintech, or enterprise technical support
  • Basic programming knowledge in Python, JavaScript, or a similar language

What the Team is Saying

Wise Compensation & Benefits Highlights

  • Leave & Time Off Breadth — U.S. materials describe extensive paid leave (PTO, sick time, holidays, “Me Days,” volunteer and compassionate leave) plus a paid six‑week sabbatical after four years. Feedback suggests the time‑off package is a standout element of the offering.
  • Parental & Family Support — Benefits information highlights up to 18 weeks of fully paid parental leave in many locations, with clear tenure qualifiers in some markets. Feedback suggests these policies are robust and a notable strength.
  • Equity Value & Accessibility — Company and job-posting materials indicate RSUs are a regular part of compensation, with a shift toward RSUs since 2022. Feedback suggests the equity component is a relatively substantial part of total rewards.

Wise Insights

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The Company
9,000 Employees
Year Founded: 2011

What We Do

Wise is a global technology company, building the best way to move and manage the world's money. With Wise Account and Wise Business, people and businesses can hold 40 currencies, move money between countries and spend money abroad. Large companies and banks use Wise technology too; an entirely new network for the world's money. Launched in 2011, Wise is one of the world’s fastest growing, profitable tech companies. In fiscal year 2025, Wise supported around 15.6 million people and businesses, processing over $185 billion in cross-border transactions and saving customers around $2.6 billion.

Why Work With Us

We’re truly global in who we are, how we work, and how we build. Everything we do is centred around creating a world of money that’s fast, easy, fair. And open to all. Everyone who works here owns a piece of Wise, from the work they do, to the stock they hold.

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Wise Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

We expect new joiners in the office most days to build connections and learn from colleagues for their first six months. After that, most Wisers split their working week between the office and home, typically coming in at least 12 times a month.

Typical time on-site: Flexible
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Brussels
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Austin
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Budapest
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Hydrabad
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Kuala Lumpur
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London
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New York
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São Paulo
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Singapore
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Tallinn
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Tokyo
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