What are the responsibilities and job description for the Senior Integration & Composition Engineer (JQ, JSON and Golang) position at Saransh Inc?
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:
JQ, Go Template, REST API, JSON
Preferred Skills (Preferred Experience)
Python, GO Language, Java, CI/CD
Job Description
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
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.
- 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
- 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
- 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