Senior .NET Developer [Short-Term Contractor]

WANTED: Thinkers, Builders & Dreamers

For over 15 years, ArcTouch has created lovable apps, websites, and connected experiences for world-class companies, leading brands, and innovative startups. See some of our work .

Since launching our first app in 2009, we’ve followed these core beliefs:

Create lovable products, the perfect blend of something useful and delightful that forges meaningful connections with users.

Be a lovable company where amazing teams of diverse individuals collaborate every day to create something we can be proud of.

ArcTouch is a specialty studio that is part of the award-winning AKQA Group .

If you're passionate about building lovable products, we want you to join us!

Role Summary

We are looking for a Senior .NET Developer to build and test high-resilience, cloud-native services that power an enterprise Knowledge Graph for a global leader . In this role, you will leverage C#, ASP.NET Core, and Azure to build scalable publishing and query APIs, delivering governed, high-integrity product information with full data provenance (JSON-LD).

This position offers a unique opportunity to work at the intersection of cutting-edge Graph and AI ecosystems without needing prior specialization in ontologies or LLMs. Our Technical Lead and Data Engineering team will handle the graph architecture, data modeling, and query designs, allowing you to focus on robust backend engineering, clean API design, and modern AI-driven development practices (Cursor, Codex) .

Key Responsibilities:

Develop backend services and APIs using C# and ASP.NET Core

Build publishing and query components on Azure

Integrate with graph, data platform, and external service interfaces

Implement validation, logging, security controls, and automated tests

Support deployment, documentation, and operational handover

Collaborate with architecture, data engineering, DevOps, and QA

Build a shared rules library used consistently by publishing and query services

Implement guarded graph queries that refuse unsupported or prohibited responses (Guided)

Produce validated JSON-LD and API responses with source and provenance information

Create regression tests for publication rules, disclaimers, and other safety-critical behavior

Required Qualifications:

Solid professional experience with C# and .NET development

Experience building and testing ASP.NET Core APIs

Experience with JSON and external system integrations

Familiarity with cloud deployment and CI/CD

Strong communication and collaboration skills

Experience with AI-Driven development tooling (Cursor and Codex)

Nice to have:

Azure Functions or Container Apps experience

Familiarity with Neo4j, Cypher, MCP, JSON-LD, or schema.org

Experience in a regulated or consumer-products environment

REMOTE WORK: This position is remote-friendly.

Why work for us? Simple: We love what we do.

Make sure to check out our employee reviews on Glassdoor to find out why they love working for ArcTouch.

ArcTouch is an Equal Opportunity Employer (EOE). Applicants are considered for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, gender identity and gender expression, disability, or veteran status.

Come join us!