> Markdown version of [/jobs/ext/545417-senior-ai-prompt-engineer](https://www.wearedevelopers.com/jobs/ext/545417-senior-ai-prompt-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior AI Prompt Engineer - **Company:** Mass Markets - **Location:** United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Artificial Intelligence, Data Analysis, Software Applications, Business Software, Software as a Service, Cloud Computing, Information Systems, Performance Tuning, Software Product Management, Software Engineering, Strategies of Testing, Chatbots, Large Language Models, Prompt Engineering, Generative AI, AI Platforms, Information Technology - **Published:** June 14, 2026 - **Apply:** https://www.juju.com/job/00000000g7z8ek ## About the Role All positive, and driven applicants are encouraged to apply. The Ideal candidates for this position are highly motivated and dedicated and should possess the below qualities: + Bachelor's Degree in Computer Science, Artificial Intelligence, Linguistics, Communications, Information Systems, Business, or a related field. + Minimum 5 years of experience in AI, software development, content strategy, research, analytics, or a related discipline. + Minimum 2 years of hands-on experience working with Generative AI technologies. + Experience designing, testing, and optimizing prompts for Large Language Models. + Strong understanding of AI model behavior and prompt engineering principles. + Excellent written communication and language analysis skills. + Strong analytical and problem-solving abilities. + Experience evaluating AI outputs and identifying improvement opportunities. + Ability to manage multiple projects and priorities effectively. + Strong stakeholder engagement and collaboration skills. + Experience documenting standards, methodologies, and best practices. + Ability to work effectively in fast-paced and evolving environments. Nice to Have + Experience with OpenAI, Anthropic, Gemini, Claude, or similar AI platforms. + Experience with Retrieval-Augmented Generation (RAG) solutions. + Knowledge of AI agents and workflow automation technologies. + Familiarity with AI evaluation frameworks and testing methodologies. + Experience with conversational AI and chatbot development. + Understanding of AI governance and responsible AI principles. + Experience working within SaaS, technology, or BPO environments. + Advanced certifications or training related to AI and Generative AI., + Must be authorized to work in the country where the job is based. Subject to the program and location of the position + Must be willing to submit up to a LEVEL II background and/or security investigation with a fingerprint. Job offers are contingent on background/security investigation results. + Must be willing to submit to drug screening. Job offers are contingent on drug screening results. (Does not apply in Canada) ## Description MCI is one of the fastest-growing tech-enabled business services companies in the USA, with a strong call center footprint and operations that extend across multiple countries. We deliver Customer Experience (CX), Business Process Outsourcing (BPO), and Anything-as-a-Service (XaaS) cloud technology solutions across a wide range of industries, including healthcare, retail, government, education, telecom, technology e-commerce, and financial services. Our contact centers are powered by both on-site and remote agents, leveraging advanced technologies to enhance customer journeys, drive scalability and reduce costs. At MCI we are committed to fostering an environment where professionals can build meaningful careers, access continuous learning and development opportunities and contribute to the success of a globally expanding, industry-leading organization. We are seeking aSenior AI Prompt Engineerto design, optimize, and manage prompts that maximize the effectiveness of Large Language Models and AI-powered applications. This role is responsible for improving AI response quality, consistency, accuracy, and business relevance across a wide range of use cases. The successful candidate will work closely with AI engineers, product managers, trainers, and business stakeholders to develop scalable prompting solutions that drive measurable business outcomes., Prompt Design & Development + Create and maintain prompts that enhance AI system performance. + Design prompts for conversational AI, automation, and business applications. + Develop reusable prompt templates and libraries. + Optimize prompt structures for different use cases and models. + Support enterprise AI product development initiatives. Prompt Testing & Optimization + Improve response quality through experimentation and analysis. + Conduct prompt testing and A/B evaluations. + Analyze AI outputs and identify optimization opportunities. + Improve accuracy, consistency, and user experience. + Support model tuning and evaluation activities. AI Performance Evaluation + Measure and monitor AI effectiveness across multiple applications. + Develop evaluation criteria and quality standards. + Review AI responses against business requirements. + Track prompt performance and improvement metrics. + Provide recommendations for ongoing enhancements. Collaboration & Stakeholder Support + Work closely with technical and business teams. + Collaborate with AI engineers, trainers, and product managers. + Translate business requirements into prompting strategies. + Support AI solution design and implementation efforts. + Communicate findings and recommendations to stakeholders. Research & Continuous Improvement, Consistent with the Americans with Disabilities Act (ADA), it is the policy of MCI and its affiliates to provide reasonable accommodations when requested by a qualified applicant or employee with a disability unless such accommodations would cause undue hardship. The policy regarding requests for reasonable accommodation applies to all aspects of employment. If reasonable accommodations are needed, please contact Human Resources. ## Related Videos - [AI Prompting for TA and HR: From Beginner to Advanced](https://www.wearedevelopers.com/videos/1474-ai-prompting-for-ta-and-hr-from-beginner-to-advanced) - [Chatbots are going to destroy infrastructures and your cloud bills](https://www.wearedevelopers.com/videos/1130-chatbots-are-going-to-destroy-infrastructures-and-your-cloud-bills) - [This App Reached 10,000 Users in One Week. 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