AI / ML Engineer

In Tandem; United States; Remote; USD 100,000 - 720,000; Full time

Job summary

Join a leading company as an AI / ML Engineer where you will be pivotal in developing and optimizing AI systems. You will manage the full lifecycle of AI models and integrate intelligent features into tools that support family dynamics, enhancing communication and daily organization. This role offers an opportunity to contribute to a meaningful mission with a supportive and innovative culture.

Benefits

Full Medical coverage for employee and family

401k with up to a 4% match

12 weeks paid leave for new parents

11 Company Holidays and Winter Break

Learning & Development stipend

Flexible working environment

Qualifications

• 5+ years in AI/ML engineering roles, with experience in LLMs and generative AI.
• Strong background in model evaluation and metrics development.
• Applied multi-modal model experience and familiarity with orchestration tools.

Responsibilities

• Own the lifecycle of AI/ML models from ideation to deployment.
• Create datasets for training and calibration of models.
• Integrate AI tools into product workflows with a focus on performance.

Skills

Model evaluation

Error tracking

Metrics development

APIs management

Python

ML libraries

LLM fine-tuning

Education

5+ years in AI/ML engineering

Tools

PyTorch

HuggingFace Transformers

LangChain

AWS (Lambda, API Gateway, SageMaker)

Job description

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Join to apply for the AI / ML Engineer role at In Tandem

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At In Tandem, our tech solutions—which include OurFamilyWizard, Cozi, FamilyWall, and Custody Navigator—work in tandem with families to simplify daily life, fostering connection, organization, and peace of mind throughout key stages and milestones of family life.

We believe technology can champion deeper connections within families, strengthen bonds, and improve communication. Our family of brands provides a range of solutions that streamline daily routines, offer resources and guidance during challenging times, and help families navigate those challenges with confidence, calm, and ease.

As an AI/ML Engineer, you will lead the development, evaluation, and optimization of AI systems that enhance both user-facing features and internal tools. You’ll manage the full lifecycle of AI/ML models—spanning model selection, fine-tuning, deployment, and continuous improvement. Your work will span LLM-based applications, traditional ML models, and hybrid architectures—delivering intelligence and automation across our platforms.

What You Will Accomplish:

• Own the end-to-end lifecycle of AI/ML models, from ideation to deployment and ongoing refinement
• Create and curate datasets using real-world and synthetic data to train, validate, and evaluate models
• Build hybrid systems that blend LLMs with traditional ML to balance performance, scalability, and interpretability
• Fine-tune text & vision models and apply grounding techniques to improve factual accuracy and reduce hallucinations

Evaluate and Iterate on LLM Applications

• Implement collaborative evaluation frameworks for model performance across metrics such as accuracy, relevance, and output reliability
• Add observability instrumentation (e.g., spans, traces, session tracking) to monitor real-world usage
• Automate evaluation gates within CI/CD pipelines and lead the design of monitoring dashboards
• Perform error analysis to identify failure modes and drive iterative improvements
• Establish feedback loops using annotation strategies and sampling for continuous learning

Drive Tooling and Product Integration

• Partner with Product, Engineering, and Data teams to co-develop intelligent features for our co-parenting and family organization platforms
• Design AI-powered tools to optimize internal workflows, such as content generation, communication, and customer support
• Build robust APIs to expose ML services with a focus on reliability, scalability, and observability

Who You Are:

• Deeply technical and hands-on. You thrive on building and refining complex, intelligent systems from the ground up.
• Theory meets practice. You understand cutting-edge research but apply it with pragmatism and user value in mind.
• Collaborative evaluator. You lead with metrics, help teams align evaluation methods, and foster shared accountability.
• Responsible innovator. You approach AI thoughtfully—with an emphasis on transparency, monitoring, and measurable user impact.

What You Bring:

• 5+ years in AI/ML engineering roles, with meaningful experience working with LLMs and generative AI (personal projects count!)
• A proven track record of shipping ML systems into production environments
• Strong background in model evaluation, error tracking, and metrics development (LLM-judge, structured evals, etc.)
• Experience with AI-powered developer tools and code-generation workflows
• Expertise in Python and ML libraries such as PyTorch, HuggingFace Transformers, vLLM
• Knowledge of LLM fine-tuning techniques like LoRA, PEFT, RLHF, and dataset structuring strategies
• Experience with orchestration tools (LangChain, Weights & Biases, MLflow) and model grounding
• Applied experience with multi-modal models, vision model fine-tuning, or RAG systems
• Comfort deploying models via APIs and managing endpoints for scalable inference
• Working knowledge of AWS tools like Lambda, API Gateway, and SageMaker
• Bonus: personal ML projects or contributions to open-source ML frameworks

Why Join?

Great mission. Creating a safe and productive environment for families to co-exist is extremely important for us; we’ve been doing it for 20+ years and are deeply motivated by adding value to the lives of parents, children, and practitioners.

Growing team. While we’ve been around for a while, we continue to evolve and innovate. That’s what keeps us going! You’ll have an opportunity to contribute meaningfully to our organization as we hit our second stride.

Amazing Culture. In Tandem has a positive and supportive culture—we look for people who are curious, inventive, and work to be a little better every single day. In our work together, we aim to be smart, humble, hardworking and, above all, collaborative.

Here’s a list of our key benefits:

• Full Medical: In Tandem Pays 100% of the premium for employee AND additional family members
• 401k: Up to a 4% match with immediate vesting
• 12 weeks paid leave for all new parents
• 11 Company Holidays + Winter Break + Volunteer Time Off + Floating Holiday
• Learning & Development stipend for employees
• Supportive and flexible working environment – work from anywhere!

Come As You Are!

In Tandem provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Seniority level

• Seniority level

  Associate

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Technology, Information and Internet and Software Development

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