Senior Backend Engineer

4 Months ago • 5 Years + • Backend Development • $52,591 PA - $82,643 PA

Job Summary

Job Description

Sword Health is seeking a Senior Backend Engineer to join their mission of freeing people from pain. The role involves staying updated with web technologies, software architecture principles, and design patterns. Responsibilities include participating in training, monitoring production environments, creating and analyzing load tests, developing a professional web-based application with a focus on rich interaction and responsive design, and building analytics dashboards. The engineer will also work closely with the clinical team to optimize system workflows from a user perspective. The company is a fast-growing, high-tech startup recognized by Forbes, with a focus on AI Care and a strong mission-driven environment.
Must have:
  • 5+ years of experience in web development
  • Golang or NodeJS experience (mandatory)
  • Knowledge of SQL language
  • Ability to write high-performance, reusable code
  • Knowledge of Software Engineering patterns for Web Services
  • Excellent communication, problem-solving, and proactive attitude
  • Good written and technical English skills
Good to have:
  • Experience with NoSQL databases
  • Knowledge of caching software (Memcached, Redis)
  • Knowledge of continuous integration/deployment tools
Perks:
  • Stimulating, fast-paced environment with room for creativity
  • Career development and growth
  • Competitive salary
  • Opportunity to work with a talented team
  • Flexible environment with remote work and unlimited vacation
  • Access to health and well-being program
  • Health, dental, and vision insurance
  • Meal allowance
  • Equity shares
  • Remote work allowance
  • Flexible working hours
  • Work from home
  • Discretionary vacation
  • Snacks and beverages
  • English classes

Job Details

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.

What you'll be doing:

  • Stay up to speed with all web technologies, software architecture principles and design patterns;
  • Understanding the current lifestyle and development of new lifecycles with emphasis on software quality processes;
  • Actively participate in the training and building skills of other web developers;
  • Continuous monitoring of performance on production environments;
  • Create and run load tests, and analyze applications’ performance;
  • Develop our professional web-based app with an emphasis on rich interaction and responsive design;
  • Develop analytics dashboards and web data visualization tools;
  • Work closely with our clinical team to determine the ideal workflow of the system from the user’s perspective.

What you need to have:

  • Extensive experience (5+ years of experience) with web development (experience with Golang or/and NodeJS are mandatory);
  • Knowledge of SQL language and managing SQL databases (experience in NoSQL databases a plus);
  • Ability to write high-performance, reusable code;
  • Knowledge of Software Engineering patterns with special focus on Web Services development;
  • Knowledge of caching software like Memcached or Redis are a plus;
  • Knowledge of continuous integration / deployment process and tools;
  • Excellent communication skills, problem solving and proactive attitude;
  • Good level of written and technical 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 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 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 (Portugal only);
  • To get to know more about our Tech Stack, check here.
€52,591 - €82,643 a year
This range includes base, variable and equity.

These compensation bands are just the starting point. Once someone joins and proves they’re outlier talent, we adjust quickly to ensure their compensation aligns with their impact.

Our job titles may span more than one career level. Actual pay is determined by skills, qualifications, experience, location, market demand, and other factors. Compensation details listed in this posting reflect the base salary and any potential variable, bonus or sales incentives, and the Company’s estimation of the value of private company stock options, if applicable. The pay range is subject to change, future value of company stock options is not guaranteed, and compensation may be modified in the future. In addition to our total compensation, Sword offers a number of benefits as listed below.
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.

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About The Company

Porto, Porto District, Portugal (Hybrid)

United States (Remote)

Porto, Porto District, Portugal (Hybrid)

Porto, Porto District, Portugal (Hybrid)

Porto, Porto District, Portugal (Hybrid)

Portugal (Hybrid)

Porto, Porto District, Portugal (Hybrid)

Porto, Porto District, Portugal (Hybrid)

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