Sr Mobile Engineer

Miami, FL
Contract

Job Description

Job#: 3015425

Job Description:

Apex Systems, a World-Class Technology Solutions Provider, is seeking applicants for the below position on behalf of our client. Please apply if interested and qualified. Please note that only qualified candidates will be contacted.

Position: Sr Mobile Engineer

Location: Miami, FL

Duration: 4-6 month Contract-to-Hire

Rate Range: Up to $110k base salary

Position Overview:


Senior Engineer, Software plays a critical role in the development and enhancement of mobile applications across iOS, Android, and hybrid platforms. This position is responsible for designing, building, and maintaining high-quality, scalable, and secure mobile solutions while ensuring alignment with industry best practices and business objectives.

Senior Engineer, Software is able to take business requirement all the way to a project delivery. Actively contributes to technical architecture decisions, collaborates with cross-functional teams, and drives the implementation of mobile features and functionalities. This role requires deep expertise in native iOS (Swift) and Android (Kotlin) development, as well as experience with hybrid frameworks such as React Native or Flutter. As part of the development team, the Senior Engineer, Software provides mentorship and technical guidance to junior developers, fostering a culture of continuous learning and innovation. The role also involves troubleshooting and optimizing mobile applications to enhance user experience and maintain operational efficiency.

Collaboration is a key aspect of this role, requiring close interaction with product managers, designers, backend developers, and QA teams to deliver high-quality mobile solutions. The Senior Engineer, Software works within Agile development frameworks, ensuring timely delivery of features while maintaining software excellence.

This position requires strong problem-solving skills, the ability to work in a fast-paced environment, and a commitment to staying updated with emerging mobile technologies. The Senior Engineer, Software plays a crucial role in ensuring that mobile applications support the organization's digital strategy and provide a seamless experience for users.


Essential Functions:


Design & Architecture: Lead the design and development of mobile application architectures, ensuring the selection of appropriate frameworks, libraries, and technologies for both native (iOS/Android) and hybrid solutions. Define key components, modules, and their interactions while ensuring scalability, maintainability, and alignment with the overall software ecosystem. Collaborate with architects and technical leads to align mobile solutions with enterprise architecture and business strategy.


Requirements & Development: Work closely with product owners, UX/UI designers, and business stakeholders to gather and analyze requirements, translating them into technical solutions. Create and maintain technical documentation, including architectural diagrams and development guidelines. Develop high-quality, maintainable, and testable code while ensuring adherence to industry standards and best practices.


Code Quality & Security: Conduct code reviews, enforce best practices, and ensure compliance with mobile development standards, security protocols, and accessibility guidelines. Implement security measures, including encryption, authentication, and secure API integrations, to protect user data and ensure regulatory compliance. Stay up to date with security vulnerabilities and emerging threats in mobile development.


Performance & Scalability: Optimize mobile applications for performance, battery efficiency, and responsiveness. Identify and address performance bottlenecks, memory leaks, and latency issues. Work closely with DevOps and infrastructure teams to define deployment strategies, monitoring solutions, and best practices for ensuring high availability and scalability.


Project Support & Collaboration: Provide accurate estimates for development efforts and collaborate with project managers to define project scope, timelines, and risks. Actively participate in Agile development processes, including sprint planning, daily stand-ups, and retrospectives. Assist in troubleshooting and resolving technical issues during development and post-release.


Research & Innovation: Stay abreast of emerging mobile technologies, tools, and frameworks to drive continuous improvement and innovation. Evaluate and implement new technologies that enhance user experience, improve development efficiency, or address business needs. Lead proof-of-concept initiatives to assess the viability of new solutions and methodologies.


Mentorship & Leadership: Mentor junior and mid-level developers, providing technical guidance and best practices for mobile development. Foster a culture of collaboration, innovation, and continuous learning within the development team. Advocate for mobile development excellence and contribute to defining engineering standards and practices across the organization.

*Please note that as a contract employee of Apex Systems, benefits include the below with employee contribution*

· Health

· Dental

· Vision

· Life Insurance; Short Term Disability

· Hospitalization Coverage

· Direct Deposit

· Weekly Pay Periods

· Training and Development Programs

· 401k

· Referral Program

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

PDN-a09c765f-e5ca-4a3f-8d78-2651bb278535

Job#: 3015425

Job Description:

Apex Systems, a World-Class Technology Solutions Provider, is seeking applicants for the below position on behalf of our client. Please apply if interested and qualified. Please note that only qualified candidates will be contacted.

Position: Sr Mobile Engineer

Location: Miami, FL

Duration: 4-6 month Contract-to-Hire

Rate Range: Up to $110k base salary

Position Overview:


Senior Engineer, Software plays a critical role in the development and enhancement of mobile applications across iOS, Android, and hybrid platforms. This position is responsible for designing, building, and maintaining high-quality, scalable, and secure mobile solutions while ensuring alignment with industry best practices and business objectives.

Senior Engineer, Software is able to take business requirement all the way to a project delivery. Actively contributes to technical architecture decisions, collaborates with cross-functional teams, and drives the implementation of mobile features and functionalities. This role requires deep expertise in native iOS (Swift) and Android (Kotlin) development, as well as experience with hybrid frameworks such as React Native or Flutter. As part of the development team, the Senior Engineer, Software provides mentorship and technical guidance to junior developers, fostering a culture of continuous learning and innovation. The role also involves troubleshooting and optimizing mobile applications to enhance user experience and maintain operational efficiency.

Collaboration is a key aspect of this role, requiring close interaction with product managers, designers, backend developers, and QA teams to deliver high-quality mobile solutions. The Senior Engineer, Software works within Agile development frameworks, ensuring timely delivery of features while maintaining software excellence.

This position requires strong problem-solving skills, the ability to work in a fast-paced environment, and a commitment to staying updated with emerging mobile technologies. The Senior Engineer, Software plays a crucial role in ensuring that mobile applications support the organization's digital strategy and provide a seamless experience for users.


Essential Functions:


Design & Architecture: Lead the design and development of mobile application architectures, ensuring the selection of appropriate frameworks, libraries, and technologies for both native (iOS/Android) and hybrid solutions. Define key components, modules, and their interactions while ensuring scalability, maintainability, and alignment with the overall software ecosystem. Collaborate with architects and technical leads to align mobile solutions with enterprise architecture and business strategy.


Requirements & Development: Work closely with product owners, UX/UI designers, and business stakeholders to gather and analyze requirements, translating them into technical solutions. Create and maintain technical documentation, including architectural diagrams and development guidelines. Develop high-quality, maintainable, and testable code while ensuring adherence to industry standards and best practices.


Code Quality & Security: Conduct code reviews, enforce best practices, and ensure compliance with mobile development standards, security protocols, and accessibility guidelines. Implement security measures, including encryption, authentication, and secure API integrations, to protect user data and ensure regulatory compliance. Stay up to date with security vulnerabilities and emerging threats in mobile development.


Performance & Scalability: Optimize mobile applications for performance, battery efficiency, and responsiveness. Identify and address performance bottlenecks, memory leaks, and latency issues. Work closely with DevOps and infrastructure teams to define deployment strategies, monitoring solutions, and best practices for ensuring high availability and scalability.


Project Support & Collaboration: Provide accurate estimates for development efforts and collaborate with project managers to define project scope, timelines, and risks. Actively participate in Agile development processes, including sprint planning, daily stand-ups, and retrospectives. Assist in troubleshooting and resolving technical issues during development and post-release.


Research & Innovation: Stay abreast of emerging mobile technologies, tools, and frameworks to drive continuous improvement and innovation. Evaluate and implement new technologies that enhance user experience, improve development efficiency, or address business needs. Lead proof-of-concept initiatives to assess the viability of new solutions and methodologies.


Mentorship & Leadership: Mentor junior and mid-level developers, providing technical guidance and best practices for mobile development. Foster a culture of collaboration, innovation, and continuous learning within the development team. Advocate for mobile development excellence and contribute to defining engineering standards and practices across the organization.

*Please note that as a contract employee of Apex Systems, benefits include the below with employee contribution*

· Health

· Dental

· Vision

· Life Insurance; Short Term Disability

· Hospitalization Coverage

· Direct Deposit

· Weekly Pay Periods

· Training and Development Programs

· 401k

· Referral Program

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

PDN-a09c765f-e5ca-4a3f-8d78-2651bb278535

About Apex Systems, Inc.

Apex Systems is a world class technology services business that incorporates industry insights and experience to deliver solutions that fulfill our clients’ digital visions. We provide a continuum of service from workforce mobilization and modern enterprise solutions to digital innovation to drive better results and bring more value to our clients. Apex transforms our customers with modern enterprise solutions tailored to the industries we serve. Apex has a presence in over 70 markets across the US, Canada, and Mexico.

Apex is a segment of ASGN Inc. (NYSE: ASGN). To learn more, visit www.apexsystems.com.


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Sr Mobile Engineer
Apex Systems, Inc.
Miami, FL
Dec 17, 2025
Contract
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