Senior Fullstack, .NET/Python Engineer

Jimmy Technologies

. Build middleware APIs between Salesforce/API management, Databricks or SQL databases, and legacy systems such as AS400 .

Posted 10/31/2026contractRemote • CzechiaSenior💰 €35 - €41 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building middleware APIs and integrating enterprise systems, with strong capabilities in C#/.NET and Python development. Proficient in containerization, CI/CD processes, and delivering solutions for the insurance sector.

Highest-signal resume keywords

C# / .NET DevelopmentPython DevelopmentContainerization with DockerCI/CD ImplementationIntegration with Enterprise Systems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Middleware API DevelopmentFastAPIUnit TestingIntegration TestingAsynchronous Client-Check APIsSQL Database ManagementRESTful ServicesMessage QueuesAzure DevOpsGit

Soft Skills

Analytical SkillsProblem-Solving SkillsCommunication SkillsTeam CollaborationProactive Issue Escalation

Tools & Technologies

DockerDatabricksKubernetesCI/CD PipelineAgentic CDD Services

Industry Keywords

Insurance ExperienceBanking ExperienceEU Residency

Tech Stack

Tools & technologies

ASP.NETAzureDockerKubernetesPythonSQL.NET

About the role

Key responsibilities & impact

Build middleware APIs between Salesforce/API management, Databricks or SQL databases, and legacy systems such as AS400
Build and harden Agentic CDD services, including asynchronous client-check APIs with callbacks
Implement retries instead of dropped messages
Implement safe write-back with an on/off switch
Extend Python capability modules and the connector framework
Package and deploy applications as containers or Databricks bundles through the CI/CD pipeline
Write unit and integration tests
Fix issues found during testing and in production
Support delivery for a Dutch insurance client

Requirements

What you’ll need

Senior-level fullstack engineering experience
C# / .NET, including ASP.NET Core Web APIs
Python, including FastAPI or similar
Containerized packaging with Docker
Azure DevOps
CI/CD
Git
Integration with enterprise systems using REST and messaging/queues
Strong analytical and problem-solving skills
Excellent communication skills with technical and non-technical stakeholders
Ability to work independently and as part of a team
Proactive issue escalation and blocker follow-up
Ability to give and receive constructive feedback
Candidates must be based in the EU
Ability to start within 30 days
Preferred: Databricks Asset Bundles (DAB)
Preferred: Kubernetes
Preferred: LangGraph or other LLM frameworks
Preferred: Insurance or banking experience

Benefits

Comp & perks

Long-term remote-first contract position
Contract through an EU LCC
Contract through July 2027 with possible extension