Backend Engineer Trainee
hybridInternshipPorto
Apply for this roleSword 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 Sword Trainee Program is not about playing it safe, it’s where your career meets real-world impact. Over 12 months, you’ll be part of a global team using technology to solve human problems at scale, and you’ll do meaningful work from day one. You’ll build and question, and be pushed to think deeper and move faster. Here, you won’t just apply what you learned in school — you’ll stretch it, test it, and turn it into solutions. If you’re looking for purpose, ownership, and a steep learning curve, this is your launchpad. And if you're ready to turn your potential into something that matters, we’re ready for you.
Our team is dedicated to developing and maintaining our web applications, enabling them to adapt to changing requirements and deliver incremental updates. Our primary goal is to create high-quality, secure, and performant web applications that provide value to our members and meet business objectives.
We are seeking a motivated and skilled individual to join our team as a Junior Backend Engineer Intern. This internship is perfect for someone nearing the completion of their college degree and eager to develop their backend development skills. You will work alongside our experienced engineers to design, develop, and maintain server-side logic and databases.
What you’ll be doing:
- Write clean, efficient, and well-documented code, handling the server side of web applications;
- Assist in the development and maintenance of server-side applications and databases;
- Participate in code reviews and debugging processes;
- Ability to work with a team to deliver and improve coding and architecture skills;
- Establish a good relationship with the different team members, and understand the value of the combination of efforts on the final output of different tasks;
- Learn to effectively communicate with the different stakeholders;
- Learn how to translate a business need into an actionable and added value solution within our framework.
What you need to have:
- Ending the Degree/Masters in Computer Science, Software Engineering, Information Technology, or a related field;
- Knowledge of server-side languages such as Node.js, Go, Python, Java, or Ruby;
- Familiarity with database technologies such as MySQL, PostgreSQL, or MongoDB;
- Knowledge of containerization technologies like Docker and orchestration tools like Kubernetes;
- Basic knowledge of version control systems, particularly Git;
- Excellent problem-solving skills and attention to detail;
- Good communication skills and ability to work in a team environment.
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.
*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.
Looking for something else?
Check out our other open roles to find something else. You can also send us your basic information – we'll look and see if there's a good fit for you.