Technology

Mobile Developer

GRRN·Remote, nigeria·Full Time·Remote
Technologymid-levelFull TimeRemote
-Closes Dec 18, 2026

Company Description

GRRN is a dynamic Fintech start-up that focuses on pioneering cutting-edge products with sustainable practices. Our innovative solutions are designed to meet the current needs of our customers and anticipate future challenges. By integrating advanced technology with eco-friendly methods, we aim to create products that enhance quality of life while minimizing environmental impact. Our commitment to sustainability and innovation drives positive change in the industry.

The Job Overview

We are seeking a dedicated mobile app developer to join our growing company. You will create and implement the source code necessary to develop mobile applications on various mobile platforms for the purpose of selling them to various client categories. As a mobile applications developer, you can put your passion for programming and development to create effective and cutting-edge mobile apps that will grow our customer base.

Role Description

This is a full-time a Remote role for a Mobile Application Developer. The Mobile Application Developer will be responsible for developing and maintaining mobile applications using object-oriented programming (OOP) principles. They will work on iOS, Android development and be involved in all aspects of the application development lifecycle, including design, coding, testing, and debugging. They will collaborate with cross-functional teams and stakeholders to ensure high-quality and user-friendly mobile applications.

Qualifications

Experience in mobile application development and application development

Proficiency in object-oriented programming (OOP)

Strong knowledge of development

Strong knowledge of development

Experience with languages and framework such React Native, Kafka, Flink, Swift and Flutter

Knowledge of Unit tests, automation, and code reviews

knowledge of MongoDB database

knowledge of MongoDB database

Native app writing ability

Native app writing ability

Strong knowledge of JavaScript and React Native

Complex problem solving

Complex problem solving

Ability to design and implement efficient and scalable mobile applications

Excellent problem-solving and debugging skills

Ability to work independently and remotely

Experience with agile development methodologies

Bachelor's degree in Computer Science or related field

Minimum 3 years of experience with system design, programming, and data structuring

Requirements

  • ***Proficiency in developing mobile applications for iOS and Android platforms***

Testing and Debugging: Familiarity with mobile app testing, debugging, and performance optimization.

Publishing: Knowledge of app publishing processes on both the Apple App Store and Google Play Store.

Push Notifications: Experience with implementing push notifications and in-app messaging.

Security Awareness: Understanding of mobile app security best practices and data protection.

Adaptability: Ability to work on various mobile app projects, adapt to different platforms, and learn new technologies quickly.

Strong Knowledge of APIs development: Skill in integrating APIs and web services into mobile applications.

Version Control: Proficiency in using Git for version control and collaborative development.

UI/UX Design: Ability to create intuitive and visually appealing mobile app interfaces by collaborating with designers.

Why Join our team:

Join our Team of experience Developers to work at the forefront of innovative application development. You'll engage with the latest development technologies to create innovative solutions.

User-Centric Applications: Your role as a Mobile App Developer is all about enhancing user experiences through intuitive and powerful applications.

Collaborative Work Environment: We work remotely, while we value teamwork and a supportive work culture. Collaborate with experts from diverse backgrounds and contribute your insights in a dynamic and inclusive setting.

Professional Growth: We're committed to your career development. As a Developer, you'll have access to training sessions, workshops, and resources to refine your skills and propel your career.

Global Influence: Your work will have a global impact. Join a team that's creating a meaningful difference on a global scale through different innovative products.

Originally posted on Himalayas

At a glance

Company

GRRN

Location

Remote, nigeria

Employment

Full Time

Work style

Remote

Experience

mid-level

Valid until

December 18, 2026

Created

October 19, 2026

More opportunities

Similar roles you might like

Mobile App Developer And Ui / Ux Design Trainer

Campus Technologies Limited

Abuja, nigeria

full-time

Description We seek a Part-Time Mobile App Development Trainer to deliver hands-on training sessions and mentor students in developing Android and/or iOS applications. The ideal candidate should have expertise in mobile development using Java, Kotlin, Swift, or cross-platform frameworks like Flutter and React Native. The role requires a passion for teaching, guiding students through real-world projects, and ensuring they gain practical experience in designing, developing, and deploying mobile applications. If you have strong technical skills and a desire to empower the next generation of mobile developers, we encourage you to apply! Key Responsibilities Conduct interactive and hands-on training in Android (Java/Kotlin) and/or iOS (Swift, Objective-C) development. Assist students in building real-world mobile applications. Guide students in Android Studio, Xcode, Jetpack libraries, Firebase, and other essential tools. Teach UI/UX design principles, API integration, database management, and app deployment. Assist students in building real-world mobile applications. Conduct live coding sessions, debugging workshops, and troubleshooting exercises. Develop and update training materials, lesson plans, coding exercises, and assessments. Stay updated with emerging mobile development trends, frameworks, and best practices. Provide feedback on student projects and track their progress. Work closely with other trainers, developers, and industry professionals to enhance training quality. Qualifications Interested candidates should possess a Bachelor`s Degree Experience: Minimum of 2 years professional experience in mobile application development and UI/UX design. Previous teaching or training experience is an advantage. Technical Skills: Proficiency in programming languages (e.g., Swift, Kotlin, Dart) and mobile development frameworks (e.g., Flutter, React Native). Expertise in UI/UX design tools (e.g., Adobe XD, Figma, Sketch). Portfolio: A strong portfolio demonstrating your mobile app development and UI/UX design projects. Communication Skills: Excellent verbal and written communication skills with the ability to explain complex concepts simply and engagingly. Passion for Teaching: A genuine interest in helping students learn and grow, with a patient and approachable demeanor. Applicant must be at least 30 years old and must reside in Abuja.

3 months ago

Lead Quality Assurance & Project Coordinator

HelloMe Limited

Lagos, nigeria

full-time

About the Role We are seeking a highly experienced, analytical, and results-driven Lead Quality Assurance & Project Coordinator to join our growing cross-border FinTech team. The successful candidate will be responsible for leading the Company's Quality Assurance (QA) function while coordinating the successful planning, execution, testing, release, and delivery of software products across our international payment ecosystem. The successful candidate will oversee the quality assurance lifecycle for the Company's cross-border payment platform, mobile applications, web applications, digital wallets, virtual accounts, remittance services, merchant platforms, foreign exchange solutions, APIs, and other financial technology products. This leadership role combines Quality Assurance Leadership, Software Testing, Release Management, Project Coordination, and Cross-Functional Delivery Management. The successful candidate will establish QA standards, manage testing activities, coordinate software releases, monitor project execution, improve software quality processes, mentor QA team members, and ensure products meet business, customer, security, regulatory, and technical requirements before deployment. The Lead Quality Assurance & Project Coordinator will work closely with Product Managers, Backend Engineers, Mobile Developers, Frontend Developers, DevOps Engineers, UI/UX Designers, Compliance, Operations, Customer Support, Banking Partners, Executive Management, and external technology vendors to ensure the successful planning, testing, coordination, and delivery of secure, reliable, and scalable FinTech solutions. This position plays a critical role in reducing production defects, improving customer experience, ensuring software quality, maintaining regulatory compliance, driving project execution, supporting Agile delivery, and continuously improving software development processes across the organization. Key Responsibilities Quality Assurance Leadership Lead the Company's Software Quality Assurance function. Develop and implement QA strategies, policies, standards, and testing frameworks. Establish quality objectives and testing methodologies across projects. Define quality metrics and monitor software quality performance. Review business and functional requirements to ensure testability. Lead test planning activities across multiple projects. Mentor and guide QA Engineers and testers. Ensure consistent QA processes throughout the Software Development Lifecycle (SDLC). Promote quality-first engineering culture across development teams. Software Quality Assurance & Testing Develop comprehensive test plans, test strategies, and test cases. Perform: Functional Testing Integration Testing System Testing Regression Testing Smoke Testing Sanity Testing User Acceptance Testing (UAT) Exploratory Testing End-to-End Testing Validate all software releases before production deployment. Verify application functionality across supported platforms and environments. Ensure software complies with business, functional, and technical requirements. Perform post-release validation. Recommend automation opportunities where applicable. Payment Systems & Transaction Testing Test end-to-end cross-border payment workflows. Validate international payment processing. Test: Digital Wallets Virtual Accounts International Remittances Local Transfers Merchant Payments Card Payments FX Transactions Settlement Processes Validate payment routing. Test payment notifications. Verify reconciliation accuracy. Validate failed transaction recovery. Ensure payment lifecycle integrity. API & Backend Validation Test RESTful APIs using Postman or equivalent tools. Validate authentication and authorization. Verify request and response payloads. Test webhook services. Validate third-party integrations. Test banking APIs. Validate payment gateway integrations. Verify backend synchronization. Perform database validation where required. Project Coordination Coordinate software development projects from initiation through deployment. Prepare project schedules and timelines. Monitor sprint execution. Track milestones and deliverables. Organize: Sprint Planning Daily Standups Sprint Reviews Retrospectives Release Planning Meetings Coordinate communication between Engineering, Product, Compliance, Operations, and Management. Escalate risks, blockers, and project delays. Monitor project progress. Maintain project documentation. Ensure timely project delivery. Release Management Coordinate software release planning. Prepare release readiness checklists. Validate release candidates. Coordinate UAT activities. Support staging and production deployments. Verify successful production deployments. Coordinate rollback procedures where necessary. Maintain release documentation and version history. Defect Management Manage defect lifecycle. Review and prioritize defects. Assign issues to developers. Monitor defect resolution. Validate fixes. Analyze recurring defects. Perform root cause analysis. Prepare defect dashboards. Recommend preventive actions. Compliance, Security & Risk Testing Validate compliance with internal policies. Support testing for: KYC KYB AML Fraud Detection Sanctions Screening Verify authentication mechanisms. Validate role-based access controls. Verify encryption implementation. Support penetration testing remediation. Participate in compliance audits. Ensure secure payment processing. Performance & Usability Testing Validate application performance. Test under varying network conditions. Verify application responsiveness. Assess usability. Evaluate accessibility. Validate user interface consistency. Monitor application stability after deployment. Recommend customer experience improvements. Documentation & Reporting Prepare: Test Plans Test Cases Test Scripts QA Reports Defect Reports Release Reports Project Status Reports Risk Registers Lessons Learned Reports Quality Dashboards Maintain QA documentation. Maintain release documentation. Maintain testing evidence for audits. Team Leadership & Continuous Improvement Lead QA process improvement initiatives. Mentor QA Engineers. Promote test automation. Improve testing efficiency. Standardize QA practices. Support Agile transformation initiatives. Monitor QA KPIs. Identify quality improvement opportunities. Stay current with emerging testing methodologies, FinTech regulations, and software engineering best practices. Perform other duties assigned by Management. Requirements & Qualifications Educational Requirements Bachelor's Degree in Computer Science, Software Engineering, Information Technology, Information Systems, Project Management, Engineering, or related discipline. Master's Degree is an added advantage. Professional certifications such as: ISTQB PMP PRINCE2 Scrum Master Agile PMI-ACP are an added advantage. Experience Requirements Minimum of 5 - 8 years of experience in Software Quality Assurance, Software Testing, or Quality Engineering. Minimum of 3 - 5 years in a leadership or senior QA role. Minimum of 3 - 5 years within FinTech, Payments, Banking, Remittance, Financial Services. Experience coordinating Agile software projects. Experience leading QA teams. Experience managing software releases. Experience testing APIs. Experience with payment platforms. Experience with mobile and web applications. Experience working with cross-functional teams. Technical Knowledge Strong understanding of SDLC and STLC. Software testing methodologies. Mobile application testing. Web application testing. API testing. REST APIs. Postman. SQL. Jira. Azure DevOps. ClickUp. TestRail. Zephyr. Xray. Git. CI/CD pipelines. Agile/Scrum. Payment processing. Cross-border payment workflows. Digital wallets. Virtual accounts. Remittance systems. Foreign exchange workflows. KYC/KYB. AML. Fraud detection. Selenium, Playwright, Cypress, Appium or equivalent automation frameworks (advantage). Skills & Competencies Strong QA leadership. Excellent software testing expertise. Project coordination. Agile delivery management. Strong analytical skills. Root cause analysis. Risk management. Decision making. Excellent documentation. Stakeholder management. Leadership and mentoring. Time management. Problem-solving. High attention to detail. Customer-focused mindset. Strong communication. Ability to work under pressure. High ethical standards. Ability to thrive in a regulated cross-border FinTech environment.

3 months ago

Full-stack Php Developer (mobile Specialist)

Lily Hospitals Limited

Delta, nigeria

full-time

Job Summary We are seeking a highly skilled and performance-driven Full-Stack PHP Developer (Mobile Specialist) to join our growing technology team. The ideal candidate will be responsible for designing and maintaining robust backend systems, high-performance RESTful APIs, and real-time synchronization features that support seamless mobile experiences. This role requires strong expertise in Laravel, database optimization, and real-time communication technologies, with the ability to collaborate effectively across web and mobile development teams. Key Tasks & Responsibilities Design, develop, and maintain secure, scalable, and expert-level RESTful APIs using Laravel (Sanctum/Passport) or React with token-based authentication. Build and optimize real-time synchronization features using WebSockets technologies such as Laravel Reverb for instant messaging, call triggers, notifications, and live video state updates. Manage, optimize, and cache complex PostgreSQL and MySQL databases to ensure fast, lightweight, and efficient mobile endpoint performance. Collaborate closely with frontend mobile developers to ensure seamless integration between backend systems and mobile applications. Utilize GitHub workflows to manage parallel development branches across web backend and mobile modules effectively. Implement performance optimization strategies to maintain low latency and high reliability, especially in poor network conditions. Develop and maintain offline synchronization and cross-platform data mirroring capabilities. Monitor backend performance, troubleshoot issues, and implement improvements for enhanced system stability and scalability. Ensure adherence to best practices in coding standards, security, testing, and documentation. Participate in code reviews, sprint planning, and technical discussions with cross-functional teams. Requirements & Qualifications Educational Qualification: Bachelor's Degree in Computer Science, Software Engineering, or a related technical field. Experience: 3 - 5 years of specialized experience in backend development and API architecture. Required Skills Technical Skills: Strong expertise in RESTful API Design using Laravel Sanctum/Passport. Experience with WebSockets technologies such as Laravel Reverb. Advanced database optimization skills in PostgreSQL and MySQL, including deep caching strategies. Familiarity with Hybrid Mobile Frameworks such as Flutter or React Native. Proficiency in advanced GitHub workflows and version control practices. Soft & Operational Skills: Strong cross-functional collaboration and communication skills. Performance-driven mindset with strong problem-solving abilities. Ability to bridge technical requirements between web infrastructure and mobile user experiences effectively. Cultural Fit: Highly reliable and efficiency-focused. Passionate about seamless technical integration and continuous improvement. Ability to thrive under technical and operational constraints. Certifications: Relevant certifications in Backend Development, Database Administration, or Cloud API Infrastructure will be an added advantage.

5 months ago