Senior Fullstack Engineer

Jimmy Technologies; United States; Remote; USD 100,000 - 130,000; Full time

Job summary

Jimmy Technologies is seeking a role focusing on building and maintaining full-stack services that connect customer-management and data platforms with legacy financial systems. The position emphasizes strengthening asynchronous check services, expanding Python capabilities, and ensuring reliable deployments for an insurance-sector project.

The developer will implement middleware APIs, enhance asynchronous pipelines, and deploy services via containerized CI/CD processes.

Qualifications

• Experience with C#/.NET including ASP.NET Core Web APIs.
• Proficient Python development with FastAPI or similar frameworks.
• Experience with Docker, Git, Azure DevOps and CI/CD workflows.
• Familiarity integrating enterprise systems via REST APIs and messaging/queues.
• Strong analytical and troubleshooting skills with clear communication and ownership.

Responsibilities

• Develop middleware APIs connecting customer-management and data platforms to SQL databases and legacy systems.
• Improve asynchronous client-check services with callbacks and retry handling.
• Extend Python capability modules and the connector framework.
• Package and deploy services as containers or data-platform bundles through CI/CD pipelines.
• Write unit and integration tests and resolve issues in testing or production.

Skills

C#/.NET

Python (FastAPI)

Docker

Git

Azure DevOps

CI/CD

REST APIs

Troubleshooting

Tools

Docker

Git

Azure DevOps

Job description

Role overview

Build and maintain full-stack services that connect customer-management and data platforms with legacy financial systems. The work includes strengthening an asynchronous client due-diligence service, extending Python capabilities, and delivering reliable deployments for an insurance-sector project.

Responsibilities

• Develop middleware APIs connecting customer-management and API-management systems to data platforms, SQL databases, and legacy systems.
• Improve asynchronous client-check services with callbacks, retry handling, and controlled write-back behavior.
• Extend Python capability modules and the connector framework.
• Package and deploy services as containers or data-platform bundles through CI/CD pipelines.
• Write unit and integration tests, and resolve issues found during testing or in production.

Requirements

• C#/.NET experience, including ASP.NET Core Web APIs.
• Python experience with FastAPI or a comparable framework.
• Experience with Docker, Git, Azure DevOps, and CI/CD workflows.
• Familiarity integrating enterprise systems through REST APIs and messaging or queues.
• Strong analytical and troubleshooting skills, with clear communication and ownership of assigned work.
• Able to raise blockers early, collaborate constructively, and give and receive feedback.

Nice to have

• Experience with Databricks Asset Bundles, Kubernetes, LangGraph or other language-model frameworks, or banking and insurance systems.

Benefits and work setup

Remote contract role for candidates based in the EU, expected to run through July 2027 with possible extension. The listed start timing is as soon as available.