Golang Developer (Go + AWS + REST APIs+JQ)
West Chester, PA, US • Posted 2 days ago • Updated 1 day ago

American IT Systems
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Job Details
Skills
- Golang
- JQ
- AWS
- JSon
Summary
Golang Developer (Go + AWS + REST APIs+JQ)
Experience: 11–20 years
Location: Denver/Englewood, CO OR West Chester, PA
Work Model: 3 days onsite
Mandatory Skills
- Golang (Go)
- JQ (strongly preferred; profiles without JQ can be considered, but priority will be given to candidates with this skill)
- JavaScript
- Go Templates
- REST APIs
- JSON
Role Overview
Lead / Senior Integration & Composition Engineer
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.
Key Responsibilities
- 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 third-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
Required Skills & Experience
- Hands-on expertise with JQ for JSON filtering, mapping, aggregation, and conditionals
- Strong proficiency with Go templating, including conditionals, loops, and reusable templates (Helm-style experience is a plus)
- Integration & APIs experience:
- REST-based payment APIs and event-driven flows
- REST APIs, JSON, HTTP, API gateways, middleware, or integration platforms
- Programming/scripting experience with Go / Java / Python
- Understanding of payment failure scenarios, declines, and reconciliation impacts
- Experience supporting high-throughput, low-latency transaction systems
- DevOps knowledge: Kubernetes, Helm, CI/CD pipelines
- Familiarity with orchestration frameworks
- Strong debugging and problem-solving skills
- Dice Id: 91163020
- Position Id: 8895619
- Posted 2 days ago
Company Info
About American IT Systems
American IT Systems Staffing Fastest growing Recruitment firm helping clients hire the best quality candidates faster across the globe.
We provide services starting from Temporary Staffing & Permanent Recruitment to management consulting. We specialize in Technology, Product & Design hiring headhunting & sourcing passive resources using cutting edge technology & tools
Our Aim
Hiring and recruiting top talent can be a challenging, time-intensive process. Client organizations recognize the value in saving time, money and preventing unnecessary burden on internal staff by outsourcing certain hiring needs. It can also send a strong message to top professionals they will spare no expense in finding and hiring the best talent possible..

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