Remote Payment Support Engineer - Tier 2

Constellation Payments; United States; Remote; USD 70,000 - 80,000; Full time

Job summary

Constellation Payments is seeking a 2–4 year technical support professional to join our remote-first team as a Payment Technical Support Agent. You will handle complex technical inquiries involving payment processing, APIs, webhooks, and integrations, serving as a key escalation point for merchants and partners.

The role blends analysis, collaboration with engineering, and on-call duties. The ideal candidate has hands-on experience with REST APIs and debugging tools like Postman and Splunk,

Qualifications

• 2–4 years of experience in technical support or client-facing engineering.
• Strong knowledge of REST APIs, JSON, authentication, and webhooks.
• Understanding of payment processing concepts including settlement, chargebacks, tokenization, and PCI compliance.
• Experience with debugging tools like Postman, Splunk, or equivalent.
• Strong written and verbal communication skills.
• Ability to work independently and in a fast-paced environment.
• Experience with ticketing systems such as Zendesk, Jira, or Salesforce.
• Solid understanding of payment fee models and transaction lifecycles.

Responsibilities

• Serve as escalation point for Tier 1 tech support.
• Troubleshoot payment gateway, API, webhook, tokenization, and processing issues.
• Analyze logs and API calls to identify root causes.
• Collaborate with Engineering, QA, and Product teams.
• Assist merchants with integrations and SDK configuration.
• Update internal documentation and knowledge base.
• Provide feedback to product teams on recurring issues.
• Participate in on-call rotation as required.
• Perform additional duties to support objectives.

Skills

REST APIs

JSON

Authentication

Webhooks

Payment processing

Postman

Splunk

Ticketing systems

Zendesk

Jira

Salesforce

Communication

Tools

Postman

Splunk

Zendesk

Jira

Salesforce

Job description

Constellation Payments is seeking a 2–4 year technical support professional to join our remote-first team as a Payment Technical Support Agent. You will handle complex technical inquiries involving payment processing, APIs, webhooks, and integrations, serving as a key escalation point for merchants and partners.

The role blends analysis, collaboration with engineering, and on-call duties. The ideal candidate has hands-on experience with REST APIs and debugging tools like Postman and Splunk,