Let’s build meaningful technology. Together!

As an Applied AI Engineer, you'll design and build the systems that put language models to work inside real client businesses, from agents and retrieval pipelines to the evaluation harnesses that prove they work.

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What you'll do

• Design and build agents, including their prompts, tools, and multi-step orchestration.
• Build retrieval systems end to end, from ingestion to retrieval strategy.
• Create evaluation harnesses and regression suites before systems go live.
• Take systems to production with guardrails, security, and observability.
• Run technical discovery with clients and communicate trade-offs clearly.

What you need

• Degree in CS, Engineering, or equivalent professional experience.
• Fluent English, written and spoken.
• Strong Python skills in a typed, tested, reviewed codebase.
• Hands-on experience with RAG and agent-based systems.
• Experience with Docker, CI/CD, and at least one cloud provider.

Nice to have

• Experience with fine-tuning, distillation, or quantization.
• Background in a regulated industry (health, finance, etc.).
• Experience in consulting or agency settings.
• Experience with voice, real-time, or multimodal systems.

What you'll find

• Remote work model and flexible hours
• Potential to grow and build your own career path
• Strong teamwork culture and a friendly environment
• Wellness perks

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As a Mobile Engineer, you will be responsible for designing, developing, and maintaining high-quality mobile products.You will work closely with cross-functional teams, translating business requirements into robust technical solutions while staying up-to-date with the latest industry trends.

What you'll do

• Solve technical problems of moderate scope and complexity. 
• Deliver well-scoped features with minimal guidance and collaborate with senior engineers on larger projects. 
• Troubleshoot and resolve application bottlenecks, crashes, and bugs across iOS and Android. 

What you need

• Bachelor's degree in Computer Science.
• Proficient use of English, both writing and speaking.
• At least 2 years of experience in the IT field and developing products.
• Experience building and shipping production apps with a cross-platform framework: React Native or Flutter. 
• Experience building UIs from design specs, with an eye for platform conventions and native look and feel on both iOS and Android. 

What you'll find‍

• Remote work model and flexible hours
• Potential to grow and build your own career path
• Strong teamwork culture and a friendly environment
• Wellness perks

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As a QA Engineer, you’ll be key in ensuring the quality and reliability of our software products. You’ll collaborate with cross-functional teams, design and execute test strategies, and help drive automation and continuous improvement.
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What you'll do

• Design and execute test plans, cases, and scripts for functional and regression testing.
• Perform API and stress testing, analyze results, and report issues.
• Collaborate with developers and PMs to identify and resolve quality gaps.
• Improve QA processes and promote a culture of quality.

What you need

• 2+ years of experience as a QA Engineer.
• Strong knowledge of testing methodologies, Agile, and API testing tools (Postman, SoapUI).
• Intermediate SQL and coding skills.
• Experience with stress testing tools (Locust, JMeter, etc.).
• Advanced English and great attention to detail.

What you'll find‍

• Remote work model and flexible hours
• Potential to grow and build your own career path
• Strong teamwork culture and a friendly environment
• Wellness perks

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As a Fullstack Engineer, you'll drive the development of high-quality applications using a variety of technologíes such as Python, Node or React in a collaborative, fast-paced environment.

What you'll do

• Own a system or product area end to end, from initial research through production and iteration. 
• Take vague, under-specified problems, decide what to build, and defend the tradeoffs. 
• Stay up to date on industry trends, emerging technologies, and software engineering best practices. 
• Making changes and shipping code to production continuously.

What you need

• Bachelor's degree in Computer Science.
• Proficient use of English, both written and spoken. 
• Strong experience in the IT field and developing products. 
• Experience with any of the following frameworks: FastAPI, Django, Flask, NestJS, Next.js or Express.js. 
• Excellent problem-solving and debugging skills. 

What you'll find‍

• Remote work model and flexible hours
• Potential to grow and build your own career path
• Strong teamwork culture and a friendly environment
• Wellness perks

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At Xmartlabs we partner with startups and enterprises to design, build and launch high-impact applications. Our goal is to be industry leaders in technical execution building well-crafted products. In order to achieve all of this, we use a wide varietyof well-known and cutting - edge technologies; such as: JavaScript, React.js, Swift, Kotlin, React Native, Ruby, Java, AWS, Docker, K8s and much more!

Basic qualifications

• Experience maintaining a living and complex codebase with a modern stack.
• Avid learner who follows and/or participates in dev community events and content.
  
• Possesses excellent synthesis and communication skills.
  
• Excellent written and verbal communication skills in English.

Nice to have

• Bachelor Degree in computer science or engineering (or in progress).
  
• Knowledge agile methodologies.

What you'll find‍

• Remote work model and flexible hours
• Potential to grow and build your own career path
• Strong teamwork culture and a friendly environment
• Wellness perks

This job posting is for a Talent Pool. While we aren't actively hiring for this position at the moment, we are continually seeking skilled professionals for future opportunities with our clients and our own team. By submitting your application, you'll be considered for any potential openings that may arise in the future.

Data Engineer

As a Data Engineer, you'll design, build, and own cloud-based data pipelines end to end, working with startups and large enterprises across industries, some in healthcare.

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What you'll do

• Design, build, and maintain cloud-based data pipelines from diverse sources.
• Model data and build the layers analytics, BI, and ML run on.
• Own pipeline infrastructure as code, with reliability and cost in mind.
• Partner with cross-functional teams to turn business questions into data solutions.
• Ensure compliance with security standards like HIPAA and SOC 2.

What you need

• Strong SQL and relational database experience (PostgreSQL, MySQL).
• Proficiency in Python and Spark.
• Hands-on experience with a major cloud provider (AWS, Azure, or GCP).
• Data modeling and warehouse/lakehouse experience (BigQuery, Snowflake, Redshift, Databricks)
• Orchestration tools like Airflow, Dagster, or Azure Data Factory.
• Fluent English and strong communication with non-technical teams.

Nice to have

• Hands-on experience with Databricks.
• Experience with healthcare data standards (FHIR, HL7, HIPAA, SOC 2).
• Experience across multiple cloud providers.
• Containerization and orchestration (Docker, Kubernetes).

What you'll find

• Remote work model and flexible hours
• Potential to grow and build your own career path
• Strong teamwork culture and a friendly environment
• Wellness perks

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As a Machine Learning Engineer, you’ll design, implement, and deploy ML models, applying MLOps best practices and exploring new approaches from state-of-the-art research

What you’ll do

• Design, train, and deploy ML models for production.
• Apply MLOps practices to streamline workflows.
• Collaborate with cross-functional teams and innovate with new ideas.
  
  

What you need

• Degree in CS, Engineering, or equivalent ML experience.
• Fluent English (written and spoken) is required.
• Strong skills in Python, TensorFlow/PyTorch, Docker, Kubernetes.
• Experience with ML orchestration (Kubeflow, MLflow, Airflow), feature stores, and large-scale data tools (Spark, Kafka).
• Strong problem-solving, research analysis, and communication skills.‍

What you'll find‍

• Remote work model and flexible hours
• Potential to grow and build your own career path
• Strong teamwork culture and a friendly environment
• Wellness perks

As a Junior Developer, you’ll work alongside experienced engineers and cross-functional teams to deliver real value to our clients while sharpening your skills in a supportive and fast-paced environment.

Key Responsibilities

• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, maintainable, and well-documented code.
• Participate in code reviews and receive/give constructive feedback.
• Help troubleshoot issues and support bug fixes.
• Contribute to testing strategies.
• Support team documentation and internal knowledge sharing.
• Continuously learn and stay up to date with best practices, tools, and technologies.
  
  

Qualifications and Skills

• Currently residing in Uruguay (required).
• Pursuing a bachelor’s degree in Computer Science.
• A true team player who thrives in a supportive, feedback-driven environment.
• Strong problem-solving and analytical skills.
• Enthusiastic, proactive, and eager to learn.
• Willingness to learn, ask questions, and grow in a team environment.
• Strong communications skills in English both written and spoken.
• Solid programming fundamentals (algorithms, data structures, problem solving).
  
  

What you'll find‍

• Remote work model and flexible hours
• Potential to grow and build your own career path
• Strong teamwork culture and a friendly environment
• Wellness perks

*This position is only open to applicants based in Uruguay. Thank you for your understanding!