Quinnox is a global IT services organization headquartered in Chicago, USA with presence in Europe, Middle East and India.

We are an Agile, Midsize CMMI Level 5, ISO 9001:2008 and ISO 27001:2013 certified organization, working with Fortune 500 clients and have successfully executed projects in over 40+ countries across the globe.

Quinnox is led by senior and seasoned professionals, in both business and technology, who have held key executive leadership positions in major banks, consulting groups, and technology products companies. All of us are focused on only one mission accelerating success for our clients and employees.

Title: Mobility Senior Engineer / Techno Functional Lead

Location: Houston, TX- Hybrid- Onsite 4 days a week

Requirements:

Experience: 10+ years in Android Mobile engineering and support, with at least 2+ years in a lead role managing mobile application solutions and support.
Domain Knowledge: Fleet, Shipping, Transportation, or a comparable field-level mobile user base.

1. Design, Analysis, and Development for Enterprise and Mobile Applications:

1. Understand the Client s business requirements for enterprise and mobile applications.
2. Create design blueprints, system interaction designs, system architecture, and application architecture.
3. Create HLDs (High-Level Design) and LLDs (Low-Level Design) documents.
4. Analyze system requirements targeted for the cloud or data centers.

2. Support and Troubleshooting

1. Assess mobile applications for end-user experience by analyzing feedback and system logs to define actions and recommendations for continuous improvement of application performance and usability.
2. Lead critical incident enterprise calls and war rooms when required to ensure services are restored promptly.
3. Engage in active triage and problem-solving of support tickets to derive recommended actions and solutions.
4. Ensure communications to impacted digital and business stakeholders clearly convey the status of RCA, expected resolution timelines, and final outcomes.

3. Development and Programming

1. Develop mobile and enterprise applications using Java, Android, and other open-source programming languages and tools.
2. Create APIs for data consumption.
3. Create and execute database scripts.
4. Use hardware vendor SDKs to create mobile and enterprise applications.

4. Planning and Governance:

1. Collaborate with project stakeholders to understand system requirements.
2. Participate in governance meetings with the enterprise architecture board and other architects.
3. Present and ideate on data-sharing strategies and integration semantics for mobile applications.
4. Collaborate with hardware vendors to understand hardware capabilities and incorporate them into solution design.
5. Plan sprints and DevOps routines with teams.

5. Technical Skill Requirements Android Design Engineer (Field-Scale Deployment)

This role supports a mission-critical Android application deployed to over 60,000 field users (e.g., drivers, operators) in the waste management industry, with integrations to GPS, HERE Maps, AWS Cloud, and enterprise dispatch systems. The engineer must demonstrate:

• Advanced Android Development Expertise:

- Kotlin and Java proficiency

- MVVM architecture, Jetpack components, Room DB, LiveData, Coroutines

- Dependency injection (e.g., Dagger/Hilt)

- Modular codebase design for scalability and maintainability

• Device & OS Compatibility:

- Experience supporting a wide range of Android OS versions and device types (tablets, ruggedized phones, etc.)

- Optimization for low-bandwidth or offline-first environments

• Field-Ready UX Design:

- Designing for safety, clarity, and minimal interaction while driving or operating equipment

- Accessibility and large-format UI considerations

• Integration Experience:

- Real-time GPS and mapping (HERE Maps, Google Maps SDK)

- AWS services (API Gateway, Lambda, DynamoDB, S3, CloudWatch)

- RESTful APIs and WebSocket communication

- Mobile Device Management (MDM) tools and enterprise deployment strategies

• Performance & Reliability:

- Crash analytics, ANR resolution, and performance profiling

- Battery and memory optimization

- Background sync and job scheduling

• Security & Compliance:

- Secure data storage and transmission (encryption, token management)

- Compliance with enterprise IT and data governance policies

• Support & Monitoring:

- Experience with tools like Firebase Crashlytics, Splunk, or custom telemetry

- Ability to rapidly diagnose and resolve production issues impacting field operations

Scope of Work (Services):

1. Requirement Gathering, Analysis, Development, Integration, and System Testing

1. Interact with stakeholders to capture the Client s new business functions for all sanctioned and approved projects.
2. Design & develop applications using Java, Android, Oracle, and open-source technologies.
3. Rapid prototyping for accelerated go-to-market strategies.
4. Analyze current functionality and modify existing flows based on change requests provided by business stakeholders.
5. Complete end-to-end testing (including System Integration Testing).
6. Identify, analyze, and escalate issues in a timely manner to all project stakeholders for delivery-related tasks.
7. Perform code reviews for team members before committing to source repositories.
8. Support User Acceptance Testing (UAT) and resolve issues identified during UAT.

2. Production Support

1. Provide detailed analysis of reported issues related to software programs or modules.
2. Conduct Root Cause Analysis (RCA) and apply fixes accordingly.
3. Assess, recommend, and implement technical improvements to optimize resilience and availability of applications, enhancing end-user productivity.

3. Executing Go-Live Process for Newly Developed Applications

1. Plan deployment strategies and create deployment files, configuration changes, etc., for releases.
2. Prepare cut-over plans and support pre/post go-live activities.

4. Documentation

1. Process and organize necessary documents, including SOPs, new issues, RCA, design documents, etc., and maintain them in the team folder.

At Quinnox, you will have the opportunity to take ownership of complex problems and craft solutions to make stuff from day one. Every day will bring fresh challenges that demand even more vivid thinking. Be involved in projects with our Product Development Team and be a part of a growing organization that meets our client s objectives and solves their challenges.

Our Core Value "Accelerate Success" :