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Software engineer- $150k No C2C or Sponsorship allowed

Vaco
$70.00 - $80.00 / hr
401(k), retirement plan
United States, Tennessee, Memphis
Jul 10, 2025
RemoteKey Responsibilities:
  • Develop and maintain LLM-based chatbot solutions that support natural language interaction with structured and unstructured data.

  • Implement retrieval-augmented generation (RAG) using vector databases like SingleStore, Pinecone, or OpenSearch.

  • Fine-tune and integrate LLMs (e.g., GPT-4, Claude, Mistral) for targeted business use cases.

  • Build and maintain APIs using Node.js or Python, and collaborate with frontend teams integrating chatbot services.

  • Deploy and manage AI models using cloud-native tools like AWS Lambda, Amazon Bedrock, or similar platforms.

  • Apply standard software engineering practices including version control, automated testing, and CI/CD pipelines.

  • Work cross-functionally with product, data, and engineering teams to improve model accuracy, performance, and integration quality.

Required Qualifications:
  • 7+ years of professional experience in software development, including 3+ years working with AI, NLP, or chatbot systems.

  • Strong programming skills in Python and Node.js, plus experience with Java or .NET in prior roles.

  • Proficiency with LLM frameworks (e.g., Hugging Face, OpenAI API, LangChain) and prompt engineering techniques.

  • Experience with vector search, embedding models, and integrating LLMs with structured data sources.

  • Solid understanding of cloud infrastructure and deployment models (serverless, containers, etc.) with AWS or other cloud providers.

Preferred Skills:
  • Familiarity with GraphQL, REST APIs, and cloud-native architecture patterns.

  • Experience deploying scalable AI applications in enterprise environments.

  • Understanding of CI/CD pipelines, unit testing, and software quality best practices.

  • Prior involvement in delivering production-grade AI or NLP systems integrated with backend services.

    ***** US citizens and those authorized to work in the US are encouraged to apply. *****
    ***** We are unable to sponsor candidates at this time. *****

    ***** We cannot do C2C arrangements at this time *****

Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual's skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs. With that said, as required by local law in geographies that require salary range disclosure, Vaco/Highspring notes the salary range for the role is noted in this job posting. The individual may also be eligible for discretionary bonuses, and can participate in medical, dental, and vision benefits as well as the company's 401(k) retirement plan.

Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

EEO Notice

Vaco by Highspring is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race (including but not limited to traits historically associated with race such as hair texture and hair style), color, sex (includes pregnancy or related conditions), religion or creed, national origin, citizenship, age, disability, status as a veteran, union membership, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, political affiliation, or any other protected characteristics as required by federal, state or local law.

Vaco by Highspring and its parents, affiliates, and subsidiaries are committed to the full inclusion of all qualified individuals. As part of this commitment, Vaco by Highspring and its parents, affiliates, and subsidiaries will ensure that persons with disabilities are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact HR@vaco.com .

Vaco by Highspring also wants all applicants to know their rights that workplace discrimination is illegal.

By submitting to this position, you agree that you will be giving Vaco by Highspring the exclusive right to present your as a candidate for the foregoing employment opportunity. You further agree that you have represented information about yourself accurately and have not affirmatively misrepresented your qualifications. You also agree to maintain as confidential, to the fullest extent permitted by law, any information you learn from Vaco by Highspring about the position and you will limit disclosure of information about the position only to the extent necessary to perform any obligations in furtherance of your application. In exchange, Vaco by Highspring agrees to exercise reasonable efforts to represent you through all solicitation, job screening and resume dispersal.

Privacy Notice

Vaco by Highspring and its parents, affiliates, and subsidiaries ("we," "our," or "Vaco by Highspring") respects your privacy and are committed to providing transparent notice of our policies.

  • California residents may access Vaco by Highspring HR Notice at Collection for California Applicants and Employees here.
  • Virginia residents may access our state specific policies here.
  • Residents of all other states may access our policies here.
  • Canadian residents may access our policies in English here and in French here.
  • Residents of countries governed by GDPR may access our policies here.
Pay Transparency Notice

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to:

  • the individual's skill sets, experience and training;
  • licensure and certification requirements;
  • office location and other geographic considerations;
  • other business and organizational needs.

With that said, as required by local law, Vaco by Highspring believes that the following salary range referenced above reasonably estimates the base compensation for an individual hired into this position in geographies that require salary range disclosure. The individual may also be eligible for discretionary bonuses.

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