Hire the best Backend Rest API Freelancers in South Africa

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$23 hourly
Muxe Central M.
- 5.0/5
- (4 jobs)
As a seasoned Quickbase Developer with 7 years of experience, I specialize in creating custom solutions that enhance business efficiency and streamline workflows. My expertise lies in designing, developing, and maintaining Quickbase applications tailored to meet unique business needs. Key Skills and Expertise: Quickbase Development: Proficient in building and customizing Quickbase applications to optimize operations. Workflow Automation: Skilled in automating processes to reduce manual effort and increase accuracy. Database Management: Experienced in designing robust databases, ensuring data integrity and security. Scripting and Integrations: Adept at using Quickbase API, JavaScript, and other scripting languages to integrate with third-party systems. Problem Solving: Strong analytical skills to identify issues and develop effective solutions. Collaboration: Excellent communication and teamwork skills to work effectively with cross-functional teams. I am passionate about leveraging Quickbase to deliver innovative solutions that drive business success. Let's work together to transform your ideas into powerful, functional applications.

Backend Rest API
RESTful API
SurveyMonkey
Jotform
Microsoft Power Automate Administration
Database Query
Microsoft Office
Microsoft Power BI Development
Zapier
API Integration
Systems Modeling
Microsoft Power Automate
QuickBase
Microsoft Power BI
System Testing
System Administration
$25 hourly
Collins M.
- 4.6/5
- (8 jobs)
Always available passionate full-stack developer with a proven track record of delivering high-quality, value-driven software solutions. I'm committed to providing an exceptional client experience, focusing on understanding your needs and exceeding expectations. Whether you require a complex web application, a user-friendly mobile app, or seamless Restful API integration, I'm here to help you achieve your goals. Highlights: • Expert in diverse technologies: I possess extensive knowledge and experience in various frameworks, languages, and database management systems, allowing me to tackle projects of varying complexity and scope. • Focus on ROI: I understand the importance of delivering solutions that provide tangible value and a strong return on investment. My approach emphasizes long-term sustainability and scalability. • Client-centric: I prioritize open communication and collaboration throughout the development process. Your vision and feedback are essential to me, ensuring the final product aligns perfectly with your needs. Technical Expertise: • Languages: C/C++, VB.NET(Visual Basic), SQL, JavaScript, Typescript, Java, Python, T-SQL, and C# • Frameworks & Libraries : .NET Framework, Angular, Asp.net Core, Asp.net mvc, Dot.net core, Flask, Qt, Maui, Java, NDK, Blazor, Cuda, Directx, opengl es, Ajax, jQuery, AngularJs, Asp Classic. • Databases & Storage: MySQL, MS SQL Server, SQLite, Azure SQL, Microsoft Access, ADO.Net, Entity Framework, Database Design • Development Tools: Visual Studio, VS Code, Eclipse, Codeblocks, Qt Creator, SSMS, MySQL Workbench, Android Studio • Platforms: IIS Web Server, Windows OS, Linux OS, Apache server Additional Skills: • Web Hosting & SEO: Azure, AWS, Bing & Google SEO integration • Marketing Integration: Google e-commerce, Mailerlite, Facebook e-commerce • Server Administration: Azure VPS, Windows Server, Azure App Services, Azure SQL • Add-in Development: Microsoft Excel & Word • Design: Responsive web design, UX/UI principles • Performance: Website speed, code optimization, and database optimization • AI (Artificial intelligence): Machine learning with ML.net & API intergration(GEMINI & ChatGpt & Tenser flow). • Testing: nUnit testing. Others: • Java Development • Python Development • C++ Development • JavaScript Development • Database Development • Windows Development • Linux Development • Azure Development • SQL Development • Software Engineering • Software Development Consulting • Agile Software Development • Front-end Development • API Development • Software integration • E-commerce (B2b,B2c) Development • Mobile App Development (Android etc) • Cloud Development •. Android Development •. Azure App Services •. Payment Apis (stripe, paypal) integration

Backend Rest API
Microsoft IIS
Angular
Web Development
.NET Core
RESTful API
Ecommerce
.NET Framework
C++
Web Hosting
SQL Programming
ASP.NET
JavaScript
Microsoft Access
Microsoft SQL Server
SEO Setup & Configuration
$20 hourly
Nicolas G.
- 5.0/5
- (3 jobs)
I have over six years of experience delivering web solutions for a wide variety of clients. My achievements include saving thousands of man-hours with custom-built tools, driving significant system upgrades, and enhancing customer engagement through tailored CRM solutions. I bring a strong sense of ownership, a problem-solving approach, and a commitment to delivering results on time. • Backend Expertise: Crafting microservices, managing data migrations, and implementing efficient CI/CD pipelines. • Frontend Excellence: Designing responsive, user-friendly interfaces with accessibility and performance in mind. • Cloud Proficiency: Leveraging AWS tools like DynamoDB, CloudFormation, and CloudWatch to build and maintain reliable infrastructure. As a full-stack developer, I incorporate in a diverse skill set of JavaScript (React), PHP (Laravel, WordPress), and AWS cloud technologies. Let’s collaborate to turn your vision into a web solution that meets your unique needs.

Backend Rest API
API
Front-End Development
Management Skills
Graphic Design
RESTful API
Web Development
Laravel
PHP
CSS
Git
HTML
MySQL
Node.js
JavaScript
$80 hourly
Richard L.
- 0.0/5
- (0 jobs)
My focus is on strengthening e-Health activities by incorporating specialized and essential interoperability and data exchange standards in low-and middle-income countries (LMICs). Specifically, as a Health Information Exchange (HIE) architect, I work on integrating the Fast Health Interoperability Resources (FHIR®) standard into existing legacy systems or supporting transitions to a more data-driven, standards-based HIE ecosystem. I utilize a range of OpenHIE exchange principles to strengthen service delivery and enhance decision-making in LMICs. As one of the few certified HL7® FHIR® experts, I tackle complex challenges related to decision-making, data transformation (converting legacy formats to FHIR® and vice-versa), terminology usage (e.g., SNOMED, LOINC, ICD, RxNORM), FHIR® Implementation Guide authoring, and expert reviews, among other tasks. Additionally, I serve as a technical Subject Matter Expert (SME) for HIV/AIDS, providing guidance to ministries of health and stakeholders on translating clinical business requirements into technical solutions (e.g., FHIR® mapping and the appropriate use of the standard's resources). I am also one of the few certified HL7® educators, using my expertise to provide interoperability and data exchange standards training to ministries of health and implementing partners in various countries.

Backend Rest API
RESTful API
RESTful Architecture
Data Transformation
IT Consultation
Data Modeling
Healthcare Interoperability
FHIR
Documentation
Research & Development
Training
Business Analysis
Data Analysis
System Analysis
$30 hourly
Aditya T.
- 5.0/5
- (1 job)
Focused Microsoft certified(5x) professional offering 11 years of cross-cultural career in developing and executing operational strategies, to promote organizational growth with optimal utilization of emerging technologies. Strong competency with .NET Core, Asp .NET, Web API, Microservices, Function App, Logic App, Azure Cognitive Search and Services, Azure API Management, Backend Integration, Data Factory, Azure Data Brics, Azure Dashboard, Azure DevOps, Cosmos DB setup, utilization and finetuning. Service Bus, Event Hubs, SOAP, REST, WCF, RMQ, Elastic Search, MS-SQL, PL-SQL, JavaScript, DevOps, Build Master, Jenkins. Extensive experience in solution estimation, evaluation, liaison with client & project team and full life cycle implementation of Business requirement Proficient with end-to-end development of software products from requirement analysis to system study, developing, designing, development along with documentation and implementation Domain expertise in Payment, E-Commerce, Business Process Development & Enhancement, Supply Chain Management, Documentation Management and Service.

Backend Rest API
Data Integration
Web API
API Integration
C#
.NET Stack
Azure DevOps
RESTful API
Database Management System
Redis
API
API Development
.NET Core
Azure Cosmos DB
Azure Service Fabric
Azure App Service
$41 hourly
Hope M.
- 5.0/5
- (2 jobs)
I, Mr. Hope Mokgotho am an Information Technology Specialist in Microsoft Products and Selected Open-source Products. I have completed the Microsoft Certification Exam in programming in HTML5 with JavaScript and CSS3. Currently I am 10 years in the field and have worked in a series of projects in different companies to continue sharpening my skills. As part of my core skills, I have worked as head of Information Technology Infrastructure, Data migration projects, auditing projects and backend automation tester. My computer software proficiency is in but not limited to Microsoft Windows server 2012 (hyper-virtualization and system center 2012), Microsoft windows server 2008 and 2008 R2, Microsoft Office 2007, 2021, 2013, 2016 and 2019), Microsoft Power BI(Pivot), Visual Studio 2005, 2008, 2013, 2015 and 2019, Java Programming, Dreamweaver, Microsoft Web Expression, Microsoft Exchange 2016, and 2019, Microsoft SQL Server 2005, 2008 and 2014, Microsoft Server 2012 (Standard level MCSE-Private cloud), Microsoft office 365, Microsoft PowerShell, eLearning Software (SumTotal-Skillsoft(LMS & TMS)), Python (Mainly SDR) and Linux Ubuntu and Red Hat.

Backend Rest API
Azure IoT HuB
Azure App Service
Azure DevOps
Microsoft Server
HTML5
Migration
Information Technology
JavaScript
CSS 3
Microsoft Office
RESTful API
Microsoft SQL Server Administration
IT Infrastructure
Cloud Computing
Microsoft Exchange Server
$50 hourly
Tumelo M.
- 5.0/5
- (1 job)
PROFILE I am a passionate developer who is constantly working to learn the latest concepts and design principles that are relevant in the market. I aim for perfection at all times and I continue to keep up with the latest tech trends in Software Development. I always ensure accountability and professionalism when it comes to my work ethic which makes me very dependable. I specialize in Spring & JEE based application and have expert knowledge in AWS and OpenShift (Red Hat) and Microsoft Azure I constantly believe in constantly improving my skills and I'm currently looking to become a certified AWS engineer. Tech is my life and will always be!

Backend Rest API
Cloud Computing
Sprint Planning
Agile Project Management
Angular
DevOps
Amazon S3
Product Development
Microsoft Azure
International Development
Agile Software Development
Java
Amazon Web Services
MySQL
RESTful API
Apache Maven
$50 hourly
Darian C.
- 0.0/5
- (0 jobs)
💻 Full-Stack Developer 📊 Graduated from UKZN 🎯 5+ years coding 🚀 Driven by Innovation I am a passionate software developer with hands-on experience in front-end and back-end technologies, including C#, .NET Core, JavaScript, and SQL. I've contributed to impactful projects such as creating secure password management systems and multi-tenant SaaS collaboration APIs. With a strong foundation in RESTful APIs, database design, and user-friendly application development, I thrive on tackling complex challenges. My internship provided me with practical skills like integrating Google Maps into web apps and leveraging Git for version control, all while delivering sleek, intuitive user experiences. Let’s collaborate to bring your vision to life! I value honest communication and building genuine, transparent connections. I believe in delivering quality work with integrity and maintaining a strong commitment to deadlines. I prioritize collaboration and respect, ensuring that every project reflects the goals and needs of my clients. Trust and accountability are at the heart of everything I do, and I am committed to fostering long-lasting, successful partnerships.

Backend Rest API
Computer Science
Java
MongoDB
RESTful API
API
Python
SQL
C++
C#
$90 hourly
Vincent M.
- 0.0/5
- (0 jobs)
SUMMARY Experienced Full-Stack Java Developer with expertise in Spring Boot and Quarkus for backend systems, paired with Angular for dynamic frontend interfaces. Proven track record in building scalable web applications, from database design (MySQL/PostgreSQL) to cloud deployment (AWS, Azure). Skilled in RESTful APIs, micro-services, and CI/CD pipelines for efficient delivery. Passionate about solving complex problems with clean, maintainable code.

Backend Rest API
CI/CD Platform
IBM MQ
Apache Kafka
Apache Maven
Azure App Service
Amazon EC2
MySQL
PostgreSQL
HTML
Angular
Microservice
Hibernate
RESTful API
Spring Boot
Java
$25 hourly
Andries P.
- 0.0/5
- (0 jobs)
I am a Software Engineer with 10 years of experience in the Finance, Insurance & Education sector specializing in Web Application Development. Professional summary: - Java Technologies: Spring MVC, JavaEE, JDK 1.7 & 1.8, JPA, JSF 2.2, EJB 3.0, JSP, JMS, JavaMail, JDBC, JAX-WS, RESTful, and SOAP Web Service. - Database: Postgres, Liquidbase, MongoDB, DB2, MySQL, MSSQL, and Oracle 10g. - ORM: Morphia and Hibernate. - Web Technologies: Angular, PrimeFaces, HTML, JavaScript, Ajax, XML, XHTML, and CSS. - Web Application Servers: Tomcat, WebSphere Application Server (WAS 9), JBOSS/WildFly, and Glassfish 4. - Version Control: Git & Subversion - Testing: JUnit 4 & 5, JMeter, Mockito, and TestNG. - Build automation and CI: MAVEN, Jenkins, and Bamboo

Backend Rest API
Kubernetes
Apache Kafka
SQL
Hibernate
Java Persistence API
RESTful API
Spring Framework
EJB
Apache Maven
Spring Boot
PostgreSQL
MongoDB
Docker
Java
Git
$40 hourly
Rofhiwa T.
- 0.0/5
- (0 jobs)
🚀 **I help businesses automate workflows with custom Airtable-like web apps**—scalable, user-friendly, and tailored to your needs. **My Expertise:** ✔ **Low-Code/No-Code Solutions**: Build Airtable alternatives with React, Node.js, and Firebase/Supabase. ✔ **Complex Web Apps**: CRM, project management tools, inventory systems (e.g., built a manufacturing dashboard that reduced data errors by 90%). ✔ **Database Design**: PostgreSQL, MongoDB, or serverless options like Firebase. ✔ **UI/UX Focus**: Drag-and-drop interfaces, real-time collaboration, and granular permissions. **Why Clients Hire Me:** - **5+ Years** full-stack development experience. - **20+ Custom Apps** delivered. - **Agile Development** with transparent communication. 👉 Let’s discuss your project—I’ll share a free prototype mockup!

Backend Rest API
Supabase
RESTful API
React
Next.js
Node.js
Airtable
Automation
PostgreSQL
Cloud Computing
Python
Artificial Intelligence
JavaScript
Web Application
Angular
Front-End Development
$15 hourly
Marc-Anthony J.
- 0.0/5
- (0 jobs)
Summary As a recent graduate deeply passionate about backend systems development, I have immersed myself in a comprehensive curriculum, specializing in software engineering principles with a strong focus on mastering the intricacies of backend technologies. My academic journey extends beyond coursework to hands-on experiences, where I showcased leadership by orchestrating diverse backend systems development projects. This involved proficiency in meticulous project planning, seamless execution, and the delivery of robust solutions. I bring a commanding proficiency in programming languages such as JavaScript, Java, C#, and Python, specializing in crafting highly efficient and scalable applications for the backend. My expertise encompasses backend database management using SQL and the implementation of resilient software architecture for robust systems. In addition to academic triumphs and technical skills, I've excelled in collaborative coursework and coding

Backend Rest API
CSS
C#
API Development
RESTful Architecture
RESTful API
Database
$20 hourly
Ricardo M.
- 0.0/5
- (0 jobs)
I am a intermediary Full-Stack Java developer from South Africa. I can: Develop a full web-app (front-end, back-end) Develop a Java back-end system that exposes a API Develop a Java back-end system that integrates with other Cloud Solutions that exposes a API Develop a Java back-end system that integrates with a database I am open to utilize other programming languages (and frameworks) at least on a basic level in any project I do but Java will always be my core back-end language I have worked in the front-end layer(AngularJS and HTML&CSS, JavaScript, NodeJs) but I mostly worked in the integration space(middle-layer) and back-end layer(writing the actual business logic) connecting to API's and exposing API's to other systems or front-end or pulling/pushing data from database I also worked on 3 systems that generated reports (where one of them integrated with Eclipse BIRT) I also worked on the CI/CD pipelines (Jenkins, Github Actions, Docker). I am good at solving bugs, I have worked on a few legacy projects and I put emphasis on design (but I am not closed to just disregarding design somewhat to just get the job done). INTERESTS * Personal Coding Projects * Gaming * Contemplating * Game Modding * Running

Backend Rest API
JavaScript
AWS Application
API Integration
CSS
HTML
Full-Stack Development
Spring MVC
RESTful API
Thymeleaf
PostgreSQL
MySQL
Web Application
Web Development
Spring Framework
Java
$17 hourly
Mhlengi N.
- 0.0/5
- (0 jobs)
Profile: Experienced software developer with over 3 years of experience in developing and maintaining software applications and reports. Skilled in creating and maintaining SQL queries, debugging and testing applications, technical programming, project management, and software documentation. Proficient in a variety of programming languages and frameworks, with a strong background in .NET MAUI, MVVM, and MVC. Projects: 1. CRM System Development * Programming Languages: ASP .NET, jQuery, HTML, CSS, JavaScript * Description: Developed a comprehensive CRM system that improved client interaction and tracking by 30%. Implemented features such as contact management, lead tracking, and sales forecasting. 2. Integration Services * Frameworks: ASP.NET Core * Description: Built and deployed RESTful APIs for an ERP integration services application

Backend Rest API
Full-Stack Development
TypeScript
ASP.NET Web API
ASP.NET MVC
VB.NET
JavaScript
Microsoft SQL Server
XML
SOAP API
RESTful API
API Integration
CSS
HTML5
C++
C#
$11 hourly
Tineyi Gibbs C.
- 0.0/5
- (0 jobs)
After 4 years of web development, I think this is an opportunity for us to make something great. With a keen interest in React.js and the multitude of meta frameworks (Next.js, Gatsby.js etc...), I believe we can bring your idea to life. If you are struggling with the following: Don't know how to code or work with react.js and/or its meta frameworks. Have a temporary skill gap in Don't have the time to focus on it, you have come to the right place. Need to get the job done quickly Then you have come to the right place. Benefits of working with me: Use my knowledge of React.js to create a solution to your problem. You can invest your time in something else while I get the job done. Get the job done quickly and delivered on time Deliver clean code which makes maintenance easier in the future. Documented code Expertise React.js - The framework I have the most experience with Next.js - The meta-framework I commonly use Gatsby Astro Typescript - I Prefer typescript over working with regular javascript because of the features of typescript such as type checking. Tailwind - My preferred way of styling websites and/or web applications. SASS/SCSS Firebase Node.js Express.js SQLite3 Prisma Vite Webpack Jest and/or Vitest Figma - The design tool that I use to design. I also have experience transforming a Figma design into a functional website and/or web application Let's discuss this further by working with me. About me. I'm currently a student at the University of Johannesburg, doing a BSc in Information Technology in Computer Science & Informatics. I enjoy exploring different programming languages such as JavaScript. My main interest is in full-stack development. I find it interesting how the front end connects with the back end and the different types of technologies that can be used to achieve this.

Backend Rest API
RESTful API
ExpressJS
SCSS
Gatsby.js
Redux
Tailwind CSS
Next.js
SQLite
GitHub
Node.js
Firebase
TypeScript
JavaScript
React
$15 hourly
Hein E.
- 0.0/5
- (1 job)
Greetings! I’m Heinrich Engelbrecht, a South African Python Developer About Me I am a highly motivated and self-taught Python Developer with a background in IT field engineering. Recently, I made a successful transition into software development, and I’m excited to embark on this new chapter in my career. Currently, I am also studying Computer Science, combining theoretical knowledge with practical application. Python Development Expertise As a self-taught Python developer, I have a deep passion for continuous learning and enjoy exploring the vast world of software development. Although my experience in Python is relatively new, I have quickly gained a strong foundation in the language, along with a solid understanding of popular frameworks and libraries such as Flask, Django, NumPy, and Pandas. IT Background and Problem-Solving Skills In addition to my Python skills, I bring over 7+ years of experience in the IT field engineering domain. Throughout my career, I have honed my troubleshooting and problem-solving abilities, enabling me to swiftly identify and resolve complex technical issues across diverse IT environments. I am confident that these skills, combined with my newfound expertise in Python development, will greatly benefit my clients and contribute to successful project outcomes. Commitment to Quality and Professional Growth I am dedicated to delivering high-quality results and adhering to best practices in software development. My goal is to write clean, efficient, and effective code that meets the specific needs of my clients. Furthermore, as I continue to grow as a Python developer, I am committed to expanding my knowledge and staying up-to-date with the latest industry trends and best practices. This commitment allows me to provide innovative and scalable solutions while maintaining a focus on code maintainability. Let’s Collaborate! I am thrilled to work alongside talented developers and contribute my skills to the success of challenging projects. If you are seeking a motivated and dedicated Python developer who combines IT expertise with a passion for software development, please feel free to reach out. Let’s discuss how I can help bring your ideas to life!

Backend Rest API
HTML
pandas
CSS
Selenium WebDriver
Flask
Python Script
RESTful API
Python
Beautiful Soup
$30 hourly
Robert T.
- 0.0/5
- (1 job)
I am a Full Stack Software Developer with experience in building web sites and web apps for small and medium sized businesses. If your looking to show off your business with a feature rich list of services or design an implement a internal portal management system, I can help! * I am experienced in Javascript, Nodejs, Python, Golang, HTML , ReactJs, Linux Shell admin, Bash Scripting, MySQL,Oracle PLSQL, MongoDB * Good communication and planning is key to a success, so let's talk!

Backend Rest API
Golang
React
API Development
Database Query
RESTful API
HTML
Bash Programming
API
Node.js
Bash
Scripting
Python
JavaScript
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