Machine Learning Engineer

Reposted 10 Hours Ago
Be an Early Applicant
Hiring Remotely in San Salvador
In-Office or Remote
Senior level
Artificial Intelligence • Cloud • Machine Learning • Software
The Role
The Machine Learning Engineer will design, build, and maintain ML training and inference pipelines, develop predictive models, integrate large language models, conduct bias analyses, and mentor team members.
Summary Generated by Built In
Job Description

About You

You are a highly skilled Machine Learning Engineer who thrives on building real-world AI solutions that deliver measurable business impact. You enjoy working with modern ML and LLM technologies, designing scalable training and inference pipelines, and ensuring models are reliable, explainable, and production-ready.
You communicate clearly, collaborate effectively with engineering and product teams, and stay ahead of emerging AI advancements. You are also someone who enjoys mentoring others and contributing to the organization’s AI/ML best practices.

You bring to Applaudo the following competencies:

  • Bachelor’s Degree or higher in Computer Science, Computer Engineering, Data Science, or related field or equivalent experience.
  • Strong expertise with the Python ML stack: scikit-learn, pandas, NumPy.
  • Hands-on experience integrating and optimizing LLM-based systems (OpenAI API, LangChain, fine-tuning workflows, RAG pipelines).
  • Solid knowledge of forecasting models: regression, time-series, probabilistic approaches.
  • Experience building and maintaining confidence scoring systems using hybrid rule-based + ML methods.
  • Deep understanding of model evaluation, bias detection, drift analysis, and performance analytics.
  • Ability to design and implement training, inference, and continuous-improvement pipelines.
  • Familiarity with MLOps practices, including model versioning, monitoring, and retraining cycles.
  • Experience with vector databases such as FAISS, Pinecone, Weaviate and HuggingFace Transformers.
  • Strong analytical, problem-solving, and system-thinking abilities.
  • Excellent communication and documentation skills for collaborating across technical and non-technical teams.
  • Experience mentoring engineers or leading ML initiatives. (Nice to Have)
  • Cloud experience with AWS, Azure, or GCP; familiarity with distributed data processing. (Nice to Have)
  • Advanced English level, as you will collaborate with teams and stakeholders across regions.

You will be accountable for the following responsibilities:

  • Design, build, and maintain training and inference pipelines for traditional ML and LLM-based systems.
  • Develop predictive models using regression, time-series, and probabilistic techniques.
  • Build and refine confidence scoring systems to ensure model reliability.
  • Integrate LLMs (OpenAI, HuggingFace) across products using APIs, LangChain, fine-tuning, and RAG pipelines.
  • Conduct bias, drift, error, and fairness analysis to maintain model transparency and robustness.
  • Implement and manage vector databases to support retrieval-augmented generation pipelines.
  • Collaborate closely with engineering and product teams to bring ML-powered features into production environments.
  • Apply MLOps principles: model monitoring, retraining workflows, versioning, and CI/CD for ML.
  • Provide mentorship to team members and contribute to shaping the company’s AI/ML engineering standards.
  • Stay current with industry advances and proactively recommend emerging tools, frameworks, and best practices.

Additional Information

Here at Applaudo Studios values as trust, communication, respect, excellence and team work are our keys to success. We know we are working with the best and thus treat each other with respect and admiration without asking.

Submit your application today, and don't miss this opportunity to join the Best Digital team in the Region!

We truly appreciate all the hard and outstanding work our team makes every day at Applaudo Studios, and that's why the perks that we offer, are deeply thought and designed as a way to thank them for their commitment and excellence.

Some of our perks and benefits:

  • Celebrations
  • Special discounts*
  • Entertainment area*
  • Modern Work Spaces*
  • Great work environment
  • Private medical insurance*

*Benefits may vary according to your location and/or availability. Request further information when applying.

Top Skills

AWS
Azure
Faiss
GCP
Huggingface Transformers
Langchain
Numpy
Openai Api
Pandas
Pinecone
Python
Scikit-Learn
Weaviate
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The Company
Calle La Reforma, San Salvador
471 Employees
Year Founded: 2013

What We Do

We are a Nearshore digital solutions company powered by our LATAM based tech talent. Our specialties include Digital Transformation, Web and Mobile Development, Cloud Computing, AI, and Machine Learning, among others. We are committed to delivering high-quality software solutions that not only are scalable and dependable but also future proof. We accelerate our customers digital roadmap by leveraging our 10 years of experience building custom digital solutions, augmenting our clients' teams, and reducing time-to-market. Our Vision: Code that changes lives; has made us believe that the power of innovation can change the world. Contact us to see how we can help you achieve your business goals. www.applaudo.com We are hiring! We are looking for diverse and talented professionals around the world, who share our commitment to making a positive impact on those surrounding us. Working hand in hand to develop our skills, we will continue daring each other to reach new horizons and overcoming barriers. Visit our Jobs tab to see the multiple open positions waiting for you. Apply now and discover why Applaudo is the Best Place to Code.

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