Principal Mobile Software Engineer

Lumeris
MassachusettsFull-time$143,190–$194,467Posted Sep 15, 2026

About the role

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 life-cycle including. Serves as a Subject Matter expert and helps ensure industry leadership. Supports junior 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 life-cycle while working with 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

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

Exemplary understanding of Object Oriented Programming techniques and methodologies in Java, web MVC frameworks, Responsive web design, RESTful web services

Preferred:

Experience in the healthcare industry

Hands-on experience on AWS/GCP

Hands-on experience with Open-Source projects

Deep knowledge of iOS and Android platform internals (lifecycle, threading, memory, background execution limits)

Proven experience shipping apps through App Store and Play Store review and compliance processes

Experience building production apps with React Native and Expo

Experience with mobile state management and secure local storage

Experience with Firebase (push notifications, messaging) in a mobile app

Experience designing accessible mobile UI to WCAG 2.2 AA standards

Experience integrating mobile apps with backend REST APIs and cloud-hosted services (e.g., FastAPI/PostgreSQL on GCP)

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

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

Working Conditions

While performing the duties of this job, the employee works in normal office working conditions.

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

Medical, Vision and Dental Plans

Tax-Advantage Savings Accounts (FSA & HSA)

Life Insurance and Disability Insurance

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

Employee Assistance Program

401k with company match

Employee Resource Groups

Employee Discount Program

Learning and Development Opportunities

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

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:

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.

Responsibilities

  • Oversees and guides project teams to ensure complex deliverables are reviewed, tested, and delivered on time and within budget
  • Provides expertise and guides in all phases of the Agile software development life-cycle
  • Partners cross-functionally and contributes to the architectural strategies and infrastructure deployment of our platform(s)
  • Plans and executes unit, integration and performance testing to ensure reliability and scalability
  • Identifies, develops, implements, and evangelizes newly developed best practices and software development techniques
  • Develops advanced skills of colleagues through peer collaboration, mentoring, and training

Qualifications

  • Bachelor's Degree in related field (i.e. Computer Science) or equivalent
  • 8+ years experience in an Enterprise development environment
  • Expert knowledge of software development lifecycles
  • Excellent communication and interpersonal skills
  • High-caliber problem-solving and critical thinking skills
  • Exemplary understanding of Object Oriented Programming techniques and methodologies

Benefits

  • Medical, Vision and Dental Plans
  • Tax-Advantage Savings Accounts (FSA & HSA)
  • Life Insurance and Disability Insurance
  • Paid Time Off (PTO, Sick Time, Paid Leave, Volunteer & Wellness Days)
  • Employee Assistance Program
  • 401k with company match
  • Employee Resource Groups
  • Employee Discount Program
  • Learning and Development Opportunities

Skills mentioned

Mobile DevelopmentiOS DevelopmentAndroid DevelopmentReact NativeExpoJavaREST APIsAWSUnit TestingCI/CD

About Lumeris

Lumeris is a physician-first healthcare transformation company on a mission to make primary care work for everyone. We provide technology and services to help health systems and provider organizations thrive in a rapidly evolving healthcare landscape shaped by AI, shifting payment models, and rising patient expectations. Our model enables Primary Care as a Service, powered by Tom™—an AI platform that helps physicians and care teams deliver better outcomes with less burden. Combining predictive analytics, hands-on services, and accountable partnerships, Lumeris supports organizations with $9.3 billion of medical expenses under management and 1.4 million lives on our platform. With over 15 years of experience managing Medicare risk through Essence Healthcare, we know what it takes to make care work in the United States. The result is engaged physicians, healthier patients, and stronger performance for health systems.

Hospitals and Health Care1,001-5,000 employeesMaryland Heights, Missouri

H-1B sponsorship history

Historical employer filing data was found for Lumeris. The employer record includes 31 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.