Sage Grey Technologies Limited Recruitment 2026: Mobile Developer (React Native + Expo), Business Development Officer
Sage Grey Technologies Limited is a technology provider that creates impact by developing and deploying practical and sustainable solutions across various sectors.
We are recruiting to fill the position below:
Job Title: Mobile Developer (React Native + Expo)
Location: Nigeria
About the Role
- We are looking for a skilled and passionate Mobile Developer with strong experience in React Native and Expo to join our engineering team.
- The ideal candidate will be responsible for building high-quality, scalable, and user-friendly mobile applications for both iOS and Android platforms.
- You will work closely with product managers, designers, and backend engineers to deliver reliable mobile experiences while ensuring performance, security, and maintainability.
Responsibilities
- Design, develop, and maintain cross-platform mobile applications using React Native and Expo.
- Build reusable, scalable, and efficient mobile components.
- Convert UI/UX designs into responsive and pixel-perfect mobile interfaces.
- Integrate RESTful APIs and third-party services.
- Implement authentication flows, push notifications, deep linking, and app navigation.
- Manage application state using modern state management solutions.
- Optimize mobile applications for performance, speed, and reliability.
- Debug and resolve application issues across Android and iOS devices.
- Handle mobile app builds and deployments using Expo Application Services (EAS).
- Publish and manage applications on Google Play Store and Apple App Store.
- Collaborate with backend developers to define and integrate APIs.
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and follow mobile development best practices.
Requirements
- Strong experience building mobile applications with React Native.
- Hands-on experience with Expo framework and Expo Application Services (EAS).
- Strong knowledge of JavaScript and TypeScript.
- Experience with React Hooks and functional components.
- Understanding of mobile application architecture and lifecycle.
- Experience with navigation libraries such as React Navigation.
- Experience with state management tools (Redux, Zustand, Context API, or similar).
- Ability to integrate REST APIs and third-party SDKs.
- Experience handling local storage solutions such as AsyncStorage, SQLite, or SecureStore.
- Understanding of mobile authentication and security best practices.
- Experience debugging applications using React Native development tools.
- Familiarity with Git and collaborative development workflows.
- Good understanding of responsive design across different screen sizes.
Nice to Have:
- Experience working with native modules.
- Knowledge of Swift or Kotlin is a plus.
- Experience with Firebase services (Authentication, Cloud Messaging, Analytics, Crashlytics).
- Experience implementing maps, geolocation, payments, camera, and media features.
- Knowledge of CI/CD pipelines for mobile applications.
- Understanding of App Store and Play Store review processes.
- Experience with performance monitoring tools such as Sentry.
Technical Stack:
Mobile:
- React Native
- Expo
- TypeScript
- JavaScript
State Management:
- Redux / Zustand / Context API
APIs & Services:
- REST APIs
- Firebase
- Push Notifications
- Third-party SDK integrations
Development Tools:
- Expo EAS Build
- Git
- App Store Connect
- Google Play Console
Soft Skills:
- Strong problem-solving skills.
- Ability to take ownership of mobile features.
- Attention to detail and user experience.
- Ability to work independently and collaborate with a team.
- Passion for building high-quality mobile products.
Application Closing Date
24th July, 2026.
How to Apply
Interested and qualified candidates should send their Resume and cover letter / portfolio to: sandra.agarin@sagegreytech.com using the job title as the subject of the mail.
Job Title: Business Development Officer
Location: Nigeria
Job Summary
- We are seeking a results-driven Business Development Manager to identify new business opportunities, build strategic relationships, and drive revenue growth.
- The ideal candidate will have experience selling B2B technology solutions, a strong understanding of software development services, and the ability to develop long-term partnerships with clients across various industries.
- As a key member of the commercial team, you will be responsible for expanding the company’s client base, managing the sales pipeline, and collaborating with technical and delivery teams to ensure client needs are translated into successful software solutions.
Key Responsibilities
- Identify, qualify, and pursue new business opportunities in target markets.
- Develop and execute business development strategies to achieve revenue and growth objectives.
- Build and maintain strong relationships with prospective and existing clients.
- Conduct market research to identify emerging trends, customer needs, and competitive opportunities.
- Generate leads through networking, referrals, digital channels, industry events, and outbound prospecting.
- Prepare and deliver compelling presentations, proposals, and product demonstrations.
- Lead contract negotiations and close deals while ensuring profitability and customer satisfaction.
- Collaborate with software development, product, marketing, and project delivery teams to develop tailored client solutions.
- Manage the sales pipeline using CRM tools and provide accurate sales forecasts and reports.
- Attend industry conferences, networking events, and client meetings to promote the company’s services.
- Maintain a deep understanding of the company’s software solutions, technology offerings, and industry best practices.
- Monitor customer feedback and market developments to identify opportunities for product and service improvements.
Required Qualifications
- Bachelor’s degree in Business Administration, Marketing, or a related field.
- Minimum of 3–5 years of experience in business development, B2B sales, or account management, preferably within a software development or technology company.
- Proven track record of meeting or exceeding sales targets.
- Experience selling custom software development, SaaS solutions, enterprise software, or other technology services.
- Strong understanding of the software development lifecycle and technology consulting services.
- Excellent negotiation, presentation, and communication skills.
- Ability to build relationships with senior executives and decision-makers.
- Strong analytical, strategic thinking, and problem-solving abilities.
- Experience using CRM platforms such as HubSpot, Salesforce, or similar tools.
- Ability to work independently while collaborating effectively with cross-functional teams.
Preferred Qualifications:
- Experience in enterprise sales or technology consulting.
- Existing network of corporate clients or industry contacts.
- Knowledge of cloud technologies, AI solutions, cybersecurity, data analytics, or digital transformation services.
- Experience responding to RFPs, preparing commercial proposals, and managing complex sales cycles.
What We Offer
- Competitive salary and performance-based incentives.
- Career growth and leadership opportunities.
- Collaborative and innovative work environment.
- Continuous learning and professional development.
- Opportunity to work on impactful software projects across multiple industries.
Application Closing Date
Not Specified.
How to Apply
Interested and qualified candidates should send their Resume to: sandra.agarin@sagegreytech.com using the job title as the subject of the mail.
Job Title: Full Stack Developer (React.js + Node.js)
Location: Nigeria
Employment Type: Contract
About the Role
- We are looking for a talented and passionate Full Stack Developer to join our engineering team. The ideal candidate should have strong experience building scalable web applications, designing efficient backend systems, and delivering clean, maintainable code.
- You will work across the full software development lifecycle — from designing user interfaces and developing APIs to database management, performance optimization, and deployment.
Responsibilities
- Develop, maintain, and optimize modern web applications using React.js and Node.js.
- Build scalable backend services and RESTful APIs using NestJS or Express.js.
- Design and implement responsive user interfaces using React.js and Tailwind CSS.
- Develop reusable frontend components with clean and maintainable code.
- Design, manage, and optimize databases using MongoDB, PostgreSQL, and MySQL.
- Collaborate with UI/UX designers, frontend developers, backend engineers, and product teams.
- Write efficient, secure, and well-documented code.
- Integrate third-party APIs and external services.
- Debug, troubleshoot, and improve application performance.
- Participate in code reviews and follow software engineering best practices.
- Implement authentication, authorization, and security best practices.
- Work with Git-based workflows and agile development processes.
Requirements
- Strong experience with React.js and modern JavaScript/TypeScript.
- Solid understanding of Node.js backend development.
- Experience with NestJS and/or Express.js frameworks.
- Proficiency with Tailwind CSS and responsive design principles.
- Experience working with MongoDB, PostgreSQL, and MySQL.
- Good understanding of REST API design and integration.
- Experience with database design, query optimization, and ORM tools.
- Knowledge of authentication methods such as JWT, OAuth, and session management.
- Experience using Git and collaborative development workflows.
- Understanding of software architecture, clean code, and design patterns.
- Ability to troubleshoot, debug, and optimize applications.
Nice to Have:
- Experience with Next.js.
- Experience with Docker and containerized applications.
- Knowledge of CI/CD pipelines.
- Experience with cloud platforms such as AWS, Azure, or Google Cloud.
- Understanding of microservices architecture.
- Experience with testing frameworks.
Technical Stack
Frontend:
- React.js
- JavaScript / TypeScript
- Tailwind CSS
Backend:
- Node.js
- NestJS / Express.js
Database:
- MongoDB
- PostgreSQL
- MySQL
Tools:
- Git
- REST APIs
- Docker (optional)
Soft Skills:
- Strong problem-solving ability.
- Attention to detail.
- Ability to work independently and as part of a team.
- Good communication skills.
- Passion for learning new technologies.
Application Closing Date
24th July, 2026.
How to Apply
Interested and qualified candidates should send their Resume and cover letter / portfolio to: sandra.agarin@sagegreytech.com using the job title as the subject of the mail.
Sage Grey Technologies Limited Recruitment 2026: Mobile Developer (React Native + Expo), Business Development Officer
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- Our employees are all equally talented in unique ways: we come from diverse traditions, personal experiences and perspectives. And we want to include your ideas, are you ready to inspire us with your ideas?
- We encourage all applicants to apply and do not discriminate in any recruitment process.
- Applications submitted after the deadline will not be considered.
- Due to the necessity of the position, we are entitled to appoint a candidate who matches the required profile before the above deadline
- Only qualified candidates will be invited for an interview
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