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Dear Hiring Manager, I’m applying for the React Native Developer contract to rebuild and scale the Provider platform’s mobile application on Twine. I have five years of experience delivering production applications using JavaScript and Typescript, including React Native, with a strong focus on clean architecture, API integration, and production stability. Relevant strengths: - Building and deploying React Native applications in production - Proven experience of mobile apps architecture from the ground up using scalable patterns - Integrating with existing backend APIs and troubleshooting data flows - Writing clean, maintainable, and well-documented code - Testing, debugging, and delivering stable production releases - Working independently in remote, distributed teams with strong ownership I’m available for the full-time, two-month contract and would welcome the opportunity to contribute to a growing platform with real users and the potential for extension. Kind regards, Nico Santos…Dear Hiring Manager, I’m applying for the React Native Developer contract to rebuild and scale the Provider platform’s mobile application on Twine. I have five years of experience delivering production applications using JavaScript and Typescript, including React Native, with a strong focus on clean architecture, API integration, and production stability. Relevant strengths: - Building and deploying React Native applications in production - Proven experience of mobile apps architecture from the ground up using scalable patterns - Integrating with existing backend APIs and troubleshooting data flows - Writing clean, maintainable, and well-documented code - Testing, debugging, and delivering stable production releases - Working independently in remote, distributed teams with strong ownership I’m available for the full-time, two-month contract and would welcome the opportunity to contribute to a growing platform with real users and the potential for extension. Kind regards, Nico Santos

Nico Santos

Full Stack Developer, Web Developer, Front-End Developer, +2

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Dear Hiring Manager, I’m applying for the React Native Developer contract to rebuild and scale the Provider platform’s mobile application on Twine. I have five years of experience delivering production applications using JavaScript and Typescript, including React Native, with a strong focus on clean architecture, API integration, and production stability. Relevant strengths: - Building and deploying React Native applications in production - Proven experience of mobile apps architecture from the ground up using scalable patterns - Integrating with existing backend APIs and troubleshooting data flows - Writing clean, maintainable, and well-documented code - Testing, debugging, and delivering stable production releases - Working independently in remote, distributed teams with strong ownership I’m available for the full-time, two-month contract and would welcome the opportunity to contribute to a growing platform with real users and the potential for extension. Kind regards, Nico Santos…Dear Hiring Manager, I’m applying for the React Native Developer contract to rebuild and scale the Provider platform’s mobile application on Twine. I have five years of experience delivering production applications using JavaScript and Typescript, including React Native, with a strong focus on clean architecture, API integration, and production stability. Relevant strengths: - Building and deploying React Native applications in production - Proven experience of mobile apps architecture from the ground up using scalable patterns - Integrating with existing backend APIs and troubleshooting data flows - Writing clean, maintainable, and well-documented code - Testing, debugging, and delivering stable production releases - Working independently in remote, distributed teams with strong ownership I’m available for the full-time, two-month contract and would welcome the opportunity to contribute to a growing platform with real users and the potential for extension. Kind regards, Nico Santos

Available to hire

Adelaide, Australia

Dear Hiring Manager,

I’m applying for the React Native Developer contract to rebuild and scale the Provider platform’s mobile application on Twine. I have five years of experience delivering production applications using JavaScript and Typescript, including React Native, with a strong focus on clean architecture, API integration, and production stability.

Relevant strengths:

Building and deploying React Native applications in production
Proven experience of mobile apps architecture from the ground up using scalable patterns
Integrating with existing backend APIs and troubleshooting data flows
Writing clean, maintainable, and well-documented code
Testing, debugging, and delivering stable production releases
Working independently in remote, distributed teams with strong ownership

I’m available for the full-time, two-month contract and would welcome the opportunity to contribute to a growing platform with real users and the potential for extension.

Kind regards,
Nico Santos

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Software Engineer at BHP

March 1, 2025 - July 1, 2025

Contributed to enterprise-grade software solutions within the mining and resources sector, focusing on architecture, automation, and integration of large-scale systems. Collaborated with cross-functional teams to deliver secure software using Agile methodologies. Utilized JArchi API and ArchiMate to create custom scripts supporting enterprise architecture modeling, automation, and data-driven decision making. Worked on system integrations specifically Archimate package delivery to enhance operational efficiency across mining operations. Participated in code reviews, architecture discussions, and sprint planning.

Full-Stack Engineer at FutureProjex

December 1, 2021 - December 1, 2022

Mobile application developer and cloud migration of the legacy system including user interface and user experience. Development of a mobile application and cloud migration of a legacy system, owning the full development lifecycle across UI/UX, backend services, and infrastructure. Designed and built backend services integrating Java EE, AWS Lambda, and API Gateway, exposing secure REST APIs for client applications. Developed the CITB mobile application, connecting cloud-based automation logic with front-end workflows. Built front-end interfaces using Angular and TypeScript, translating user requirements into responsive, maintainable UI components. Collaborated with stakeholders using Jira and Confluence, and maintained version control via Bitbucket.

Full-Stack Engineer at Clintel Systems

December 1, 2022 - December 1, 2024

Responsible for the implementation, research, and ongoing maintenance of a clinical software product, CareRight. Developed and improved software features to high standards using test-driven development (TDD) with Ruby on Rails. Health record integration enhancements such as automation processes for staff members, including automated alerts, ongoing patient management, chronic diseases monitoring. Integration of Stripe API mapping the primary invoicing model to make use of Stripe payments. Integration of Medimap for medication management in CareRight. Workflow Automation, Clinical Case Management, Billing and Claiming, Online Booking & Secure Messaging. Front-end development using Vue.js and JavaScript. Implemented the transition of physical hospital forms to digital forms with integrated e-signature functionality.

Software Engineer / IT Consultant at Self-Employed

August 1, 2025 - Present

Provided secure Microsoft 365 email migration, Azure management, and web enhancements for Arid Design. Led Microsoft 365 email migration with minimal downtime and secure data transfer. Managed Azure environments, including identity, access control, and security governance. Administered Azure AD (Entra ID), user access, policies, and authentication. Implemented cloud security and compliance best practices. Delivered minor web development and system enhancements. Worked directly with stakeholders on requirements, delivery, and documentation.