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OS Engineer Trainee

Work from home Full-time role Hiring

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.

Our team is dedicated to developing the hardware devices that compose the kits that help Sword treat our members. To deliver these hardware kits the team is composed of four verticals: Firmware, Operating Systems, Hardware, and Quality Assurance. Our primary goal is to develop standalone systems that fulfill the exact needs of the member’s program while delivering the best possible experience to the member. Besides the products themselves, the team is also responsible for developing the production line that allows testing these devices while being manufactured to assure they have our quality standards when reaching the member.

We are looking for an Operating Systems Engineer Trainee to join our Research & Systems Team to help us develop system applications and internal tools to support our processes.

What you’ll be doing

  • Develop, integrate and test software, either at the operating system level or application level (our stack is based on Android);
  • Troubleshoot, debug and optimize our OS and our production systems;
  • Help in the definition of requirements and the development of internal software solutions to support production processes;
  • Contribute to the design of novel solutions that can be integrated into our products;
  • Writes well-designed, efficient, and scalable code, and also participates in code reviews and contributes to the development of standards and best practices;
  • Communicates with clients to gather requirements and provide technical support.
  • What you need to have

  • Knowledge of C/C++, Python and shell programming languages;
  • Knowledge of Linux OS;
  • Critical thinking and troubleshooting skills;
  • Passion for developing novel and unique systems that have a direct impact in people’s lives;
  • Excellent problem-solving skills and attention to detail;
  • Excellent written and verbal communication skills in English.
  • To ensure you feel good solving a big Human problem, we offer

  • A stimulating, fast-paced environment with lots of room for creativity;
  • A start of a bright future at a promising high-tech startup company;
  • Access to our health and well-being program (digital therapist sessions);
  • Learning opportunities with tailored mentoring.
  • Remote or Hybrid work policy.
  • To get to know more about our Tech Stack, check here.
  • Additional Information

    *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.

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