This is a Hybrid role onsite work expected 3 days/week in Englewood, CO
Job Description
- Senior Integration & Composition Engineer to design and implement dynamic payload transformations and configuration compositions to integrate multiple systems reliably and efficiently.
- This role focuses on payload composition, transformation, and system integration across internal systems and external partners.
- The engineer will use JQ and Go templates to implement dynamic request/response mappings, configuration-driven workflows, and environment-specific integrations while ensuring scalability, resiliency, and compliance.
- Design and implement integration compositions across APIs, services, and platforms
- Transform, filter, and enrich JSON payloads using JQ
- Build reusable and parameterized templates using Go templating
- Compose requests/responses for downstream systems based on business rules
- Support system-to-system integration, orchestration, and data mapping
- Troubleshoot integration issues related to payload structure and transformations
- Collaborate with platform, API, and DevOps teams to ensure seamless deployments
- Maintain versioned, reusable templates and transformation logic
- Build Go template–driven configurations to support reusable, parameterized integrations across environments (DEV, QA, UAT, PROD)
- Integrate 3rd party platforms with upstream channels and downstream providers
- Implement standardized error handling and decline mapping to ensure consistent customer and operational experiences
- Partner with product, architecture, QA, and operations teams to ensure payment integrations meet business, regulatory, and performance requirements
- Troubleshoot production issues related to payment composition logic, payload mismatches, or partner integration failures
- Contribute to documentation, best practices, and reusable integration assets
- Hands-on expertise with JQ for JSON filtering, mapping, aggregation, conditionals
- Strong proficiency with Go templating, including conditionals, loops, and reusable templates (Helm-style experience is a plus) & payload generation
- Integration & APIs - Experience integrating REST-based payment APIs and event-driven flows. REST APIs, JSON, HTTP, API gateways, middleware, or integration platforms
- Experience in programming and scripting languages such as GO/Java/Python
- Understanding of payment failure scenarios, declines, and reconciliation impacts
- Experience supporting high-throughput, low-latency transaction systems
- Knowledge in DevOps such as Kubernetes, Helm, CI/CD Pipeline
- Familiarity with orchestration frameworks
- Strong debugging and problem-solving skills
- Prior experience with payment platforms and end-to-end payment lifecycles
- Knowledge of alternative payment methods, recurring billing, and subscription models
- Exposure to cloud-native deployments, CI/CD pipelines, and Kubernetes-based platforms
Who We Are:
The Fountain Group is a nationwide staffing firm with over 80 Fortune 100-500 clients. Since 2001, TFG has maintained a consistent standard of excellence, and our work is broadly recognized every year through numerous industry performance awards. Our success is a team effort.
Browse our website below for additional information on our company.
The Fountain Group
3407 W Martin Luther King Jr. Dr. Tampa, FL 33607
“We work in Life Sciences, Clinical, Engineering, IT, and more. Above all, we specialize in people.”
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