C

Caliza

Payment Operations and Integrations Engineer

Full-TimeUpdated on 10/13/2026
No salary listed
Mid
London, UK+2 moreMore locations: Bengaluru, Karnataka, India | Berlin, Germany
RemoteFully remote, with in-person international team offsites.
Customer Experience & SupportCustomer Support

About the job

Requirements
  • At least 3 years of experience with B2B cross-border payments in fintech, payments, brokerage, financial correspondent banking, or a similar area.
  • Comfort working directly with clients and handling high-trust customer relationships.
  • Strong REST API debugging skills.
  • Working knowledge of databases and REST application architecture.
  • Strong problem-solving skills and attention to detail.
  • Ability to own issues independently and drive them to resolution.
  • Excellent written and verbal communication in Portuguese and English.
  • Ability to stay organized and calm under pressure while managing multiple requests.
  • Experience using customer relationship management and support tools such as Zendesk, HubSpot, or similar.
  • Experience using AI tools such as OpenAI or Claude for data analysis and data queries.
  • Ability to collaborate cross-functionally.
Responsibilities
  • Serve as the first point of contact for customer payment questions and issues across communication channels.
  • Investigate and resolve payment problems end-to-end, owning each case through closure.
  • Escalate and coordinate with Finance, Engineering, Compliance, or Product as needed.
  • Provide first-line engineering support to integrator teams experiencing API issues; debug authentication, validation, idempotency, and webhook delivery problems, reproduce issues, and escalate with clear reproductions.
  • Use internal AI tools, SQL, and dashboards to investigate transactions, accounts, and ledger states.
  • Manage customer tickets and communications using tools such as Zendesk and/or HubSpot.
  • Keep customers informed with timely updates on issues and resolutions.
  • Identify recurring issues and help improve internal processes and documentation.
  • Partner with internal teams on new payment features or launches.
Desired Qualifications
  • Exposure to crypto, stablecoins, or modern payment rails.
  • Familiarity with KYB, KYC, AML, or compliance workflows.
  • Experience supporting global customers across time zones.
  • Advanced Spanish language skills or Portuguese skills.

About the company

Company Size

N/A

Company Stage

N/A

Total Funding

N/A

Headquarters

Alys Beach, Florida

Founded

N/A

Simplify Jobs

Simplify's Take

What believers are saying

  • Cross-border stablecoin flows hit $220.3 billion in first-half 2026, boosting demand.
  • Caliza raised $2.25 million in February 2026, extending runway for partnerships.
  • African businesses need USD liquidity now, and Caliza sells that painkiller directly.

What critics are saying

  • Regulators can choke stablecoin settlement, crippling Caliza’s core product within months.
  • Bank partners like HSBC or Banco Semear can terminate access after compliance reviews.
  • Flutterwave, Mercado Bitcoin, and LianLian can bundle similar rails and squeeze margins.

What makes Caliza unique

  • Caliza integrates stablecoins, multicurrency accounts, and bank rails through one API.
  • Its partner network spans Circle, Paxos, Fireblocks, HSBC, and Banco Semear.
  • September 2026 deals with Flutterwave, Yala, and LianLian prove cross-border distribution.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Remote Work Options

Home Office Stipend

Paid Vacation

Paid Holidays

Professional Development Budget

Company Equity