Integration & Composition Engineer

Hybrid in Denver, CO, US • Posted 1 day ago • Updated 1 day ago

Contract Independent

Contract W2

Hybrid

$60 - $70/hr

Fynbosys Inc

Fitment

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Job Details

Skills

JQ
Go Template
Python

Summary

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
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, 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

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: 10494738
Position Id: 8875743
Posted 1 day ago

Company Info

About Fynbosys Inc

Fynbosys is a leading software & services company in California, and is headquartered in Sacramento. Our company's philosophy is to Develop the Future and we are known for anticipating and responding rapidly to our customer's present and future needs. Fynbosys is a software development company and we develop software solutions along with applications and management solutions, as well as support, training, and consulting services to customers

Our complete spectrum of professional management and engineering services ensures the successful definition, execution, and completion of mission-critical programs. We bring the requisite subject matter expertise to support our customers with their systems, software engineering, sales management system, document imaging and digitization system and training needs.

We are your industries partner, we know your business, and it's our business to help you succeed at yours. For the past few years, we've been doing just this and as a result, we've built enduring relationships with all our Clients.

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