Senior ML Engineer (Portugal Based Remote/Hybrid)

Sorry, this job was removed at 06:12 p.m. (UTC) on Monday, Aug 25, 2025
Be an Early Applicant
Hiring Remotely in Porto, PRT
In-Office or Remote
60K-80K Annually
Healthtech
The Role
Sword Health is on a mission to free two billion people from pain. 

With 67% of members achieving a pain-free life and a 70% reduction in surgery intent, at Sword, we are using AI Care to change lives, and save millions for our 25,000+ enterprise clients across three continents. Today, we hold the majority of industry patents, win 70% of competitive evaluations, and have raised more than $300 million from top venture firms like Founders Fund, Sapphire Ventures, General Catalyst, and Khosla Ventures.

Recognized as a Forbes Best Startup Employer in 2025, this award highlights our focus on being a destination for the best and brightest  talent. Not only have we experienced unprecedented growth since our market debut in 2020,  but we’ve also created a remarkable mission and value-driven environment that is loved by our growing team. With a recent valuation of $4 billion, we are in a phase of hyper growth and expansion, and we’re looking for individuals with passion, commitment, and energy to help us scale our global impact. 

Joining Sword means committing to a set of core values, chief amongst them to “do it for the patients” every day, and to always “deliver more than expected” on behalf of our members and clients.

This is an opportunity for you to make a significant difference on a massive scale as you work alongside 1000+ (and growing!) talented colleagues, spanning three continents. Your charge? To help us build a pain-free world, powered by AI, enhanced by people — accessible to all.


The AI Team

The main goal of the AI team is to leverage AI and ML to provide high-quality clinical care at unprecedented levels of personalization and scale. In this regard, in close collaboration with the clinical team, we develop ML-powered features that identify the best course of action for each patient at any given moment or circumstance whilst employing a holistic perspective but also contemplating any relevant nuance. We also work on ensuring the overall experience is as close as possible to a 1:1 session with a Physical Therapist and thus play a crucial role in enabling the AI Care provided by Sword.

Examples of this are projects like “Phoenix” and all the decision support systems that empower our Physical Therapists to provide world-class care to our members

As for the near future, our focus will be on taking the degree of personalization and human touch of our AI care to a whole new level by leveraging the most recent developments in the Generative AI field.

What you'll be doing:

  • Contribute to designing, building, evaluating, shipping, and improving Sword’s products by hands-on AI/ML development;
  • Develop and maintain data processing pipelines for getting the data required to build and evaluate models;
  • Work alongside the Product, Data & Engineering Teams to define and implement AI/ML-powered features for internal and external users;
  • Share your knowledge and experience of how to build ML systems;
  • Help grow the AI/ML function by defining and promoting best practices;
  • Identify and spearhead initiatives for adding AI/ML capabilities to Sword’s products by navigating uncertainty and time-to-value tradeoffs.

What you need to have:

  • 4+ years of professional experience in Machine Learning;
  • Hands-on experience implementing and maintaining production machine learning systems;
  • Solid experience in SQL and Python as well as experience developing production software;
  • Working knowledge of Python data stack (numpy, pandas, matplotlib, scikit-learn, etc);
  • Experience leading and owning complex and ambiguous projects from ideation to completion/maintenance;
  • Experience providing technical oversight and mentoring colleagues;
  • Ability to learn quickly and dive deep into new problems and fields;
  • Ability to communicate concepts clearly and interface with both technical and non-technical stakeholders;
  • Ability to prioritize and solve issues according to the team’s direction and goals.

What we would love to see:

  • Experience working in a fast-paced environment and wearing different hats;
  • Experience building data processing pipelines;
  • Experience shipping applications using LLMs and Generative AI;
  • Experience using cloud platforms like GCP or AWS.

To ensure you feel good solving a big Human problem, we offer:

  • A stimulating, fast-paced environment with lots of room for creativity;
  • A bright future at a promising high-tech startup company;
  • Career development and growth, with a competitive salary;
  • The opportunity to work with a talented team and to add real value to an innovative solution with the potential to change the future of healthcare;
  • A stimulating environment with room for creativity;
  • A flexible environment where you can control your hours (remotely) with unlimited vacation;
  • Access to our health and well-being program (digital therapist sessions);
  • Remote or Hybrid work policy.

The hiring process:

  • 30-minute call with the recruiter;
  • 30-minute call with an initial screener;
  • 1 take-home assignment (to be delivered within 1 week);
  • 1h general skills and working principles interview;
  • 1h mindset and cultural fit interview.

Portugal - Sword Benefits & Perks:

• Health, dental and vision insurance
• Meal allowance
• Equity shares
• Remote work allowance
• Flexible working hours
• Work from home
• Discretionary vacation
• Snacks and beverages
• English class


Note: Please note that this position does not offer relocation assistance. Candidates must possess a valid EU visa and be based in Portugal.


Sword Health, which includes SWORD Health, Inc. and Sword Health Professionals (consisting of Sword Health Care Providers, P.A., SWORD Health Care Providers of NJ, P.C., SWORD Health Care Physical Therapy Providers of CA, P.C.*) complies with applicable Federal and State civil rights laws and does not discriminate on the basis of Age, Ancestry, Color, Citizenship, Gender, Gender expression, Gender identity, Gender information, Marital status, Medical condition, National origin, Physical or mental disability, Pregnancy, Race, Religion, Caste, Sexual orientation, and Veteran status.

SWORD Health Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SWORD Health and has not been reviewed or approved by SWORD Health.

  • Healthcare Strength Health coverage includes comprehensive medical, dental, and vision, with HSA eligibility and optional accident, hospital, and critical-illness coverage. Life and AD&D insurance are also part of the package.
  • Leave & Time Off Breadth Time off is structured as discretionary (unlimited) PTO alongside paid company holidays. Remote-first work and flexible hours further support taking time when needed.
  • Wellbeing & Lifestyle Benefits Free access to the company’s digital therapist is provided for employees and their families. This wellness-oriented perk complements core healthcare coverage.

SWORD Health Insights

Similar Jobs

In-Office or Remote
Porto, PRT
197 Employees
60K-80K Annually

DuckDuckGo Logo DuckDuckGo

Director, Data Science

Information Technology
Remote
20 Locations
393 Employees
244K-244K Annually

Zapier Logo Zapier

Engineer, Applied AI

Artificial Intelligence • Productivity • Software • Automation
Remote
29 Locations
800 Employees
192K-287K Annually

Circle (circle.so) Logo Circle (circle.so)

Lead Product Designer

Artificial Intelligence • Consumer Web • Digital Media • Information Technology • Social Impact • Software
Easy Apply
Remote
31 Locations
250 Employees
140K-170K Annually
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: New York, NY
197 Employees
Year Founded: 2015

What We Do

SWORD Health is the world’s fastest growing virtual musculoskeletal (MSK) care provider, on a mission to free two billion people from chronic and post-surgical pain. The company’s clinical-grade virtual therapy platform pairs expert physical therapists with FDA-listed wearable technology to deliver a personalized treatment plan that is more effective, easier and less expensive than traditional physical therapy. SWORD Health believes in the power of people to recover at home, without resorting to imaging, surgeries or opioids. Since launching in 2015, SWORD Health has worked with insurers, health systems and employers in the U.S, Europe and Australia to make quality physical therapy more accessible to everyone.

Similar Companies Hiring

Sailor Health Thumbnail
Healthtech • Social Impact • Telehealth
New York City, NY
20 Employees
Granted Thumbnail
Mobile • Insurance • Healthtech • Financial Services • Artificial Intelligence
New York, New York
23 Employees
OneImaging Thumbnail
Healthtech
Miami, FL
62 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account