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Senior Golang Developer
Role Location: Denver, CO / West Chester, PA
Visa/Type: holder or or L2Sor H1B transfer are encouraged to apply
Job Description:
Golang Developer 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 opportunity:
- 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)
- Integ*****rd 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
This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.
What you need:
- 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
Preferred / Nice-to-Have
- 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
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