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Net Developer Contract Jobs in Leander, TX (NOW HIRING)

Sustainment

QA Engineer - Gen AI

Austin, TX · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This is a contract opportunity Job Overview: We are seeking a QA Engineer to help ensure the ... NET+Linux ecosystem. * Able to read DB schema changes & migrations (EF Core/.NET, DDL). Sustainment ...

Edge Global

Pega LSA

Austin, TX · On-site

$55.75 - $73/hr

Austin TX (ONSITE) Job Type:- Contract LSA Certification is Mandatory * 10+ years of experience ... net Disclaimer:: We respect your online privacy. If you would like to be removed from our mailing ...

Pair Team

Compliance Manager

Austin, TX

About Pair Team Pair Team is a public benefit company reimagining care for the safety net. As an AI ... You will partner directly with engineering, operations, clinical, and growth teams (and others) to ...

Fortive

Managing Director Asia Pacific

Austin, TX · On-site

Improve gross and net retention through proactive customer engagement, health monitoring, and ... Champion the voice of the customer, collaborating with Product, Support, and Engineering to remove ...

Kairoi Residential

Community Director - Austin Area

Austin, TX · On-site

$24.75 - $33.75/hr

Maximize net operating income (NOI) while ensuring a positive resident and associate experience ... Support the Service Manager in managing inventory, approving vendor contracts, and ensuring safety ...

Kairoi Residential

Community Director - Austin Area

Austin, TX · On-site

$24.75 - $33.75/hr

Maximize net operating income (NOI) while ensuring a positive resident and associate experience ... Support the Service Manager in managing inventory, approving vendor contracts, and ensuring safety ...

Judge Group, Inc.

Quality Manager

Austin, TX · On-site

$120K - $125K/yr

Partner with engineering to optimize the design verification process. Establish robust test yield ... Regulatory & Contract Review: Review, understand, and flow down Defense Prime Contractor quality ...

Userpilot

Senior Account Executive

Austin, TX · Hybrid

... Engineering, Legal, and Operations to ensure long-term customer value while driving toward ... Create and execute account plans that drive net new, expansion opportunities, and long-term growth

Userpilot

Senior Account Executive

Austin, TX · On-site

... Engineering, Legal, and Operations to ensure long-term customer value while driving toward ... Create and execute account plans that drive net new, expansion opportunities, and long-term growth

Userpilot

Senior Account Executive

Austin, TX · On-site

... Engineering, Legal, and Operations to ensure long-term customer value while driving toward ... Create and execute account plans that drive net new, expansion opportunities, and long-term growth

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All JobsNet Developer Contract JobsNet Developer Contract Jobs in Leander, TX

Net Developer Contract information

What is a net developer contract?

A .NET Developer Contract job is a temporary or project-based role where a developer specializes in building applications using Microsoft’s .NET framework. Contract developers are typically hired for a specific duration to work on software development, bug fixes, or system enhancements. They may work independently or as part of a team, collaborating with stakeholders to meet project goals. These roles can be on-site, remote, or hybrid and often require expertise in C#, ASP.NET, SQL, and related technologies. Contract positions offer flexibility and competitive pay but may not include traditional employment benefits.

What are the key skills and qualifications needed to thrive as a net developer contract?

To thrive as a .NET Developer Contractor, a strong command of C#, ASP.NET, SQL Server, and object-oriented programming principles is essential, often backed by a relevant degree or equivalent experience. Familiarity with development tools like Visual Studio, Azure DevOps, and certifications such as Microsoft Certified: .NET Developer are highly regarded. Strong problem-solving abilities, effective communication, and adaptability enable success when working with diverse teams and managing project requirements. These skills ensure that contractors can deliver robust, maintainable software solutions on time while effectively collaborating with clients and colleagues.

What types of projects and team structures can a .NET developer contractor expect to work with?

.NET Developer Contractors often work on a variety of projects, ranging from web and desktop application development to cloud-based solutions and integrations. Depending on the organization, you might collaborate with cross-functional teams that include project managers, UX/UI designers, QA testers, and other developers, or sometimes work more independently with minimal supervision. Projects can be short-term enhancements or longer-term, full-scale builds, and contractors are often expected to quickly adapt to new environments and existing codebases. This dynamic setup offers exposure to diverse technologies and processes, enabling contractors to expand their skill set and network across different industries.

What are the most commonly searched types of Net Developer jobs in Leander, TX?

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Infographic showing various Net Developer Contract job openings in Leander, TX as of July 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 95% In-person, and 5% Remote job distribution.

QA Engineer - Gen AI

Sustainment

Austin, TX • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 14 days ago

Job description

Company Overview: Sustainment is an AI-native software platform that helps US-based manufacturers easily find and work with the critical suppliers they need to build and manage their supply chains. Our vision is to reimagine American manufacturing as a hyperconnected, secure, and resilient ecosystem of local and regional suppliers who can more easily connect, interact, and do business with the industry and government customers that rely on them. We are a dual-use technology platform that supports both DoD and commercial customers in pursuit of our vision.
This is a contract opportunity
Job Overview: We are seeking a QA Engineer to help ensure the reliability, accuracy, and robustness of our AI Agents. This role will focus on data quality, model evaluation, and regression testing frameworks to identify and mitigate common LLM failure modes. You will be responsible for designing automated and scalable quality assurance systems while working in an AWS-based infrastructure. If you have a strong background in LLM testing, data validation, and automated QA frameworks, this role is an excellent opportunity to contribute to cutting-edge AI systems.
Responsibilities:
  • Design and run regression test suites for LLM evaluation.
  • Identify and track LLM failure modes, including hallucinations, biases, factual inconsistencies, and logical errors.
  • Design data-quality checks to assess training and test datasets.
  • Automate LLM performance monitoring using advanced metrics and validation strategies.
  • Apply best practices for prompt-engineering testing, fine-tuning validation, and output-consistency analysis.
  • Collaborate with ML engineers, data scientists, and product teams to align on quality benchmarks.
  • Work within an AWS ecosystem, leveraging services such as EKS, S3, SageMaker, or Databricks for model testing and evaluation.
  • Build tools and dashboards to track LLM quality over time.
  • Curate and version the ground-truth datasets that serve as the accuracy baseline for document parsing, and translate business and domain requirements into written, testable field definitions (partnering with the labeling team on annotation guidelines).
  • Evaluate structured extraction from real business documents (multi-page PDFs, scans, spreadsheets) by scoring model output field-by-field against ground truth, with tolerance-aware comparison for numbers, dates, free text, and repeated structures.
  • Maintain the ground-truth corpus as a versioned, evolving test asset: keep existing annotations valid as extraction schemas change, preserve dataset provenance, and grow the corpus from real production failures so every customer-reported miss becomes a permanent regression case.
  • Calibrate and validate automated scoring itself; confirm that semantic/LLM-judge scoring agrees with human judgment.

Qualifications:
  • 3+ years in software testing and quality assurance
  • 2+ years with a focus on ML evaluation, NLP, LLMs, VLMs, etc.
  • Deep understanding of LLM data quality challenges and common failure modes.
  • Experience designing automated tests for AI/ML models.
  • Familiarity with Python and testing frameworks such as PyTest, Hypothesis, or similar.
  • Knowledge of evaluation metrics for LLMs (DeepEval, MLflow, LangSmith, or similar).
  • Hands-on experience with automated data validation techniques.
  • Strong debugging and analytical skills.
  • Experience creating or working with labeled evaluation datasets ("golden" sets) for model evaluation.
  • Working knowledge of evaluation metrics for structured information extraction: field-level precision, recall, and F1; exact vs. fuzzy matching; numeric tolerance; and alignment of repeated or nested records.
  • Experience translating ambiguous business requirements into precise, documented field definitions in collaboration with non-technical subject-matter experts.

Preferred Qualifications
  • SQL proficiency, including seeding test data across Postgres environments (local/dev/staging/prod).
  • Comfort with observability and incident-response tooling (e.g., Datadog monitors, alerting/triage) for monitoring and debugging.
  • Familiarity with RAG and RAGAS.
  • Familiarity with containerized dev environments (Kubernetes/Tilt).
  • Understanding of human-in-the-loop (HITL) evaluation strategies.
  • Familiarity with LLM APIs (OpenAI, Anthropic, Bedrock, or similar).
  • Background in statistical analysis or model interpretability.
  • Experience with MLOps practices and CI/CD pipelines for ML models.
  • Experience evaluating document AI / OCR pipelines and their specific failure modes: layout and table extraction, multi-page documents, scanned or low-quality source material.
  • Experience running controlled models and prompt comparison studies.
  • Familiarity with the .NET+Linux ecosystem.
  • Able to read DB schema changes & migrations (EF Core/.NET, DDL).

Sustainment offers a competitive benefits package for full time employees including medical, dental, vision, paid time off, company holidays, and 401K matching.
Sustainment is proud to be an equal opportunity employer. We provide employment opportunities without regard to age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, veteran status, or any other protected class.
Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.
Sustainment participates in E-Verify.

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