Remote API Integration Engineer — End-to-End Workflows

Crossover; Saddar; Remote; PKR 2,203,000 - 3,137,000; Full time

Benefits offered by this job

Remote work

Job summary

Crossover is recruiting for an API Integration Engineer to deliver reliable Quark customer implementations that connect systems and workflows for measurable customer value. You will work on REST API, webhook, SSO/SAML, and content transformation tasks with a focus on reusable, scalable automation.

The role requires hands-on software engineering, experience with AI developer tools like Claude Code or Cursor, and the ability to work with US and European time zones.

Qualifications

• At least 3 years of hands-on software engineering, systems integration, implementation, or technical consulting experience.
• Experience building or troubleshooting REST API and webhook integrations.
• Working knowledge of authentication concepts such as SSO or SAML.
• Practical proficiency with XML and XSLT or an equivalent structured-data transformation technology.
• Proficiency in at least one scripting or programming language used for migration, automation, or workflow implementation.
• Regular practical use of AI developer tools such as Claude Code or Cursor.
• Experience building at least one useful AI agent, Skill file, agent definition, or equivalent automation artifact.
• Fluent in written and spoken English for customer discovery, requirements clarification, and technical handover.
• Availability for at least 4 hours per day overlapping with business hours for US customers and 4 hours for Europe.

Responsibilities

• Turn customer requirements into technical implementation plans, acceptance criteria, and delivery tasks.
• Configure Quark workflows, structured content models, rules, integrations, and external data-source connections.
• Build and test REST API, webhook, SSO/SAML, XML/XSLT, migration, and scripting-based automation deliverables.
• Diagnose implementation defects by analyzing logs, payloads, authentication flows, transforms, and configuration dependencies.
• Create concise runbooks, handover materials, and walkthroughs that help customers operate the delivered solution.

Skills

REST API

SSO/SAML

XML/XSLT

Scripting

AI Tools

AI agent

English

Tools

Claude Code

Cursor

Job description

Crossover is recruiting for an API Integration Engineer to deliver reliable Quark customer implementations that connect systems and workflows for measurable customer value. You will work on REST API, webhook, SSO/SAML, and content transformation tasks with a focus on reusable, scalable automation.

The role requires hands-on software engineering, experience with AI developer tools like Claude Code or Cursor, and the ability to work with US and European time zones.