Senior Integration & Composition Engineer (JQ, JSON and Golang)

Englewood, CO, US • Posted 3 days ago • Updated 36 minutes ago

Contract Independent

Contract Corp To Corp

Contract W2

On-site

Fitment

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Job Details

Skills

Json
REST API
JQ
Go Template

Summary

Role: Senior Integration & Composition Engineer
Location: Denver/Englewood, CO (or) West Chester, PA (Hybrid - 3 days a week onsite)

Job Type: Contract

Mandatory Areas:
Must have Skills:

7 years of Exp JQ, GO
7 years of Exp OOPS, Python,
5 years of Exp Scripting, AWS, REST API, Payments

Mandatory Skills:
JQ, Go Template, REST API, JSON

Preferred Skills (Preferred Experience):
Python, GO Language, Java, CI/CD

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.

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 3rd party platforms with upstream channels and downstream providers

Required Skills & Experience:

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

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

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 91091604
Position Id: 2026-3385
Posted 3 days ago

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Senior Integration & Composition Engineer (JQ, JSON and Golang)

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Job Details

Skills

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