Principal Mobile Software Engineer

Principal
Companylumeris.fr
LocationMassachusetts
CategorySoftware Engineering
SeniorityPrincipal
Workplace-
Posted2026-09-22
Viaworkday

Description

Your Future is our Future

At Lumeris, we believe that our greatest achievements are made possible by the talent and commitment of our team members. That's why we are actively seeking talented and collaborative individuals who are passionate about making a difference in the healthcare industry. Join us today as we strive to create a system of care that every doctor wants for their own family and become part of a community that values its people and empowers you to make an impact.

We're excited to consider every qualified candidate authorized to work in the United States, although we are unable to sponsor visas for this role at this time.

Position

Principal Mobile Software Engineer

Position Summary

Designs, develops, documents, enhances, tests, and debugs extremely complex new and existing software systems and/or applications (cloud, network, internet, or in-house). Guides all phases of the development lifecycle. Serves as a Subject Matter expert and helps ensure industry leadership. Mentors junior and off-shore team members and contributes to team upskilling.

Job Description

Primary Responsibilities

  • Oversees and guides project teams to ensure complex deliverables are reviewed, tested, and delivered on time and within budget. Reviews code to find causes of errors and revises programs as needed.
  • Provides expertise and guides in all phases of the Agile software development lifecycle while working with distributed, cross-functional teams in a highly collaborative environment (Product team, Engineers, Development Leads, Architects, Quality Engineers, etc.).
  • Partners cross-functionally and contributes to the architectural strategies and infrastructure deployment of our platform(s). Identifies and evaluates new technologies for implementation.
  • Plans and executes unit, integration and performance testing to ensure reliability and scalability.
  • Identifies, develops, implements, and evangelizes newly developed best practices, software development techniques, company standards, and frameworks with other teams within the organization.
  • Develops advanced skills of colleagues through peer collaboration, mentoring, and training.
  • Serves as a subject matter expert and represents the team as needed.

Qualifications

  • Bachelor's Degree in related field (i.e. Computer Science) or equivalent
  • 8+ years experience in an Enterprise development environment or the knowledge, skills, and abilities to succeed in the role
  • Expert knowledge of software development lifecycles and their utilization in software projects
  • Experience building, deploying, and supporting secure, production mobile apps built with React Native and Expo through both the App Store and Play Store
  • Experience with mobile state management and secure local storage
  • Experience building REST APIs using Node.js, preferably with NestJS
  • Hands-on experience on AWS/GCP
  • Experiencing collaborating and overseeing technical work done by offshore teams
  • Excellent communication and interpersonal skills with the ability to work constructively in a collaborative Agile team environment
  • High-caliber problem-solving and critical thinking skills with the proven ability to identify, develop, communicate, implement, and guide process improvements and strategic initiatives

Preferred:

  • Experience in the healthcare industry
  • Deep knowledge of iOS and Android platform internals (lifecycle, threading, memory, background execution limits)
  • Experience with Firebase (push notifications, messaging) in a mobile app
  • Experience designing accessible mobile UI to WCAG 2.2 AA standards
  • Experience with crash reporting and monitoring tools (Crashlytics, Sentry, or similar)
  • Mobile-specific CI/CD experience: build pipelines, code signing, provisioning, staged rollouts, and rollback strategy
  • Experience authoring IaC assets using Terraform or OpenTofu
  • Experience in Python-based web development (e.g. FastAPI)
  • Mobile security expertise: secure storage, keychain/keystore, certificate pinning, and awareness of mobile-specific OWASP risks
  • Track record of leading production incident response, mentoring engineers, and setting enforceable mobile engineering standards

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Pay Transparency

Factors that may be used to determine your actual pay rate include your specific skills, experience, qualifications, location, and comparison to other employees already in this role. In addition to the base salary, certain roles may qualify for a performance-based incentive and/or equity, with eligibility depending on the position. These rewards are based on a combination of company performance and individual achievements.

The hiring range for this position is:
$143,190.00-$194,467.50

Benefits of working at Lumeris

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Medical, Vision and Dental Plans

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Tax-Advantage Savings Accounts (FSA & HSA)

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Life Insurance and Disability Insurance

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Paid Time Off (PTO, Sick Time, Paid Leave, Volunteer & Wellness Days)

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Employee Assistance Program

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401k with company match

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Employee Resource Groups

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Employee Discount Program

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Learning and Development Opportunities

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And much more...

Be part of a team that is changing healthcare!

Member Facing Position

No- Not Member or Patient Facing Position

Drug Screen Requirement

No

MVR Required

No
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Credit Check Required

No

Location

Massachusetts

Time Type

Full time

Lumeris and its partners are committed to protecting our high-risk members & prospects when conducting business in-person. All personnel who interact with at-risk members or prospects are required to have completed, at a minimum, the initial series of an approved COVID-19 vaccine. If this role has been identified as member-facing, proof of vaccination will be required as a condition of employment.

Disclaimer

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The job description describes the general nature and level of work being performed by people assigned to this job and is not intended to be an exhaustive list of all responsibilities, duties and skills required. The physical activities, demands and working conditions represent those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individual with disabilities to perform the essential job duties and responsibilities.

Lumeris is an EEO/AA employer M/F/V/D.