Application (App) Developer

Lensa
Boston, MA

Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for System One. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice.

Type: Freelance

Posted Date: 2025-12-23

Pay Range: Negotiable

Primary Function

We are seeking a skilled App Developer to design, build, and maintain high-quality mobile applications. The ideal candidate has experience developing for iOS and Android, a strong understanding of mobile UI/UX best practices, and the ability to collaborate with cross-functional teams to deliver seamless, high-performing apps.

Duties & Responsibilities

Develop, test, and deploy mobile applications for iOS, and Android.

Collaborate with designers, product managers, and engineers to define and implement new features.

Troubleshoot, debug, and optimize application performance.

Maintain code quality through version control, documentation, and best practices.

Stay current with emerging technologies and mobile development trends.

Skills & Qualifications

Strong Objective-C and Swift skills, and a comprehensive knowledge of the iOS SDK

Knowledge of major frameworks (Cocoa Touch, Core Services, and Core OS)

At least a basic understanding of Apple's Human Interface Guidelines

Strong analytical and debugging skills

Education & Experience

2 years of experience designing, developing, unit testing, and deploying iOS and Android based solutions using common standards and frameworks

1 year of experience with native mobile iOS and Android application successfully developed and deployed on the Enterprise App Store as an individual or member of a team

3 total years of mobile development experience

3 total years of mobile development experience.

2 years of object-oriented software development experience

1 year of experience working with SCRUM or Agile development

Experience with web services, JSON and XML

Experience interacting with JSON/REST server APIs

Experience with popular libraries, such as RxJava, Google Analytics, and Retrofit

Experience in Java, Android UX, and the Mobile framework

Experience developing for iOS and Android is desirable, but not required

Experience working with Python and Django is highly desirable, but not required

TeamPeople, a division of System One, is an organization dedicated to providing superior customer service. Outstanding customer service encompasses everything from performing the technical, creative and operational aspects of our jobs to the best of our ability, to going the extra mile to assist our customers and colleagues in any way. TeamPeople not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

We respect, value and celebrate the unique attributes, characteristics and perspectives that make each person who they are. We also believe that bringing diverse individuals together allows us to collectively and more effectively address the issues that face our customers. It is our aim, therefore, that our partners, strategies and investments reflect these core values. TeamPeople is dedicated to providing superior customer service and is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

TeamPeopleDreamtek is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, and without regard to any other status protected under federal, state, or local law.

If you have questions about this posting, please contact [email protected]
Posted 2026-02-02

Recommended Jobs

Network Support Engineer

LG Energy Solution
Massachusetts

Network Support Engineer  Company Overview  LG Energy Solution Vertech, Inc. (LGES Vertech) is a full-service energy storage system supplier and integrator. Using our core strengths of expert…

View Details
Posted 2026-01-24

Truck Driver/CDL-A / Regional

Truck with Jed Logistics
Westfield, MA

Hiring immediately for Class A Driver!  Bold Safe Trucking is a top employer of CDL Truck Drivers across the country. In addition to a great starting salary, we offer great benefits and great sched…

View Details
Posted 2026-01-26

Fall 2026: Geo Expansion Co-op (July to December)

SharkNinja Operating LLC
Needham, MA

About Us SharkNinja is a global product design and technology company, with a diversified portfolio of 5-star rated lifestyle solutions that positively impact people’s lives in homes around the wo…

View Details
Posted 2026-02-02

Registered Nurse (RN) ongoing needs $50-55/hour

ProPivotal Staffing
Boston, MA

Registered Nurse (RN) ongoing needs $50-55/hour About the Role: We’re looking for experienced Registered Nurses to provide high-quality, patient-centered care in a stable, supportive environmen…

View Details
Posted 2026-01-20

SAH Outpatient Physical Therapy Assistant

Brown University Health
Fall River, MA

SUMMARY: Administers physical agents utilized in the short and long term rehabilitation of in and out patients (orthopedic, neurological, pulmonary, cardiac, medical and surgical) under the supervisio…

View Details
Posted 2026-01-16

Editorial Associate (On-Site Only)

Daughters of St. Paul
Jamaica Plain, MA

The Editorial Associate (EA) supports the Pauline Books & Media (PBM) publishing team achieve an overall goal of 25 releases per year by organizing and managing the clerical details of the editorial p…

View Details
Posted 2026-01-19

Route Support

UniFirst
Sandwich, MA

UniFirst Corporation, a leader in providing uniforms and facility services across North America and Europe, is seeking a dedicated Route Support Specialist to join our dynamic Transportation and Logis…

View Details
Posted 2026-02-03

Senior Mechanical Design Engineer- Exoskeletons

Dephy, Inc.
Boxborough, MA

Dephy is looking for a candidate who has an urge to understand how things work and who gets excited when there is no known solution to the problem at hand. We are curious, creative, and passionate,…

View Details
Posted 2026-01-24

Vice President, Digital Marketing

Phoenix3 Collective
Waltham, MA

Phoenix3 Collective is seeking an energetic, innovative, and passionate Vice President of Digital Marketing to shape, elevate, and perpetuate the value propositions of our brands across all digital…

View Details
Posted 2026-01-28

Real Estate Accounting Manager

ProPivotal Staffing
Boston, MA

Real Estate Accounting Manager A commercial real estate investment firm just outside of Boston is seeking an Accounting Manager to oversee financial operations and support the firm’s continued gro…

View Details
Posted 2026-01-05