Hire the best API Integration Freelancers in Curitiba, BR

Check out API Integration Freelancers in Curitiba, BR with the skills you need for your next job.
Clients rate API Integration professionals
Rating is 4.8 out of 5.
4.8/5
based on 172 client reviews
  • $63 hourly
    10+ years certified professional agile coach, Agile Product Ownership and SAFe scrum master. As agilist, assumed roles of developer, scrum master, and product owner. Leading development teams as a servant leader. Currently Product Owner of Enterprise Service Management leveraging ServiceNow, on a multi millions dollar Product Development and implementation involving several tracks on a global Agile Project Management. For supporting ITIL, mostly IT service management, and IT operations management. Knowledgeable on Scrum, SAFe, OKR, Kanban, Cloud Computing, Continuous improvement, PDCA, service mapping, process mapping, test driven development, PMBOK / EMCAPS. Tools of preference are: Azure DevOps, ServiceNow, BMC, GitHub. Familiar with technologies: JavaScript, Representational State Transfer (REST), PowerShell, HTML, C++, .NET Framework, C#, oAuth, TLS/SSL, IIS, MS Office, Linux, Microsoft SQL Server / MySQL
    Featured Skill API Integration
    Microsoft Azure
    Elasticsearch
    Live Interpretation
    Apache Kafka
    ASP.NET MVC
    ServiceNow
  • $56 hourly
    Passionate Developer and Solutions Architect with 19+ years of experience in Software Development, Software Architecture and Mission Critical Applications. Programming languages: Java, Python, Nodejs, Go Always attentive to Enterprise Web Applications Architecture, Design and Development, with focus in Java Enterprise, new Web Technologies and Open Source Frameworks, Cloud Computing, BigData, ECM, BPM and related technologies. Collaborate in requirements analysis and technical feasibility study, estimate level of efforts required for software projects, work with cross functional teams, build and mentor engineering team, provide overall projects status to senior management and work as liaison between business and IT organization. Research and build Proof of Concepts with the new technologies and share the knowledge with the team. Proficient in the design and development of massively scalable enterprise-level solution architectures. Mastery of design-patterns, performance troubleshooting, contract-first design, advanced service-oriented architectures (SOA), agile practices, security, application frameworks, multithreading, synchronization, locking, real-time systems, resource contention, fault-tolerance, transaction management, advanced setup & deployment scenarios, instrumentation & monitoring, dependency injection, inversion of control (Ioc), and more. Deep knowledge and experience of Agile processes, including building Agile teams, crafting effective user stories, sprint retrospectives, coaching and working with product owners, behavior and test-driven development (BDD/TDD) with mock objects and xUnit frameworks such as Jasmine, Mocha, NUnit, SpecFlow, JUnit, Angular-Mocks, Cypress, etc. Experience in leveraging DevOps in an Enterprise level and how to speedup development cycle including continuous business planning, development, testing, deployment, monitoring and feedback on distributed environments.
    Featured Skill API Integration
    ChatGPT
    Ionic Framework
    React
    Cloud Computing
    Angular
    Node.js
    Microservice
    TypeScript
    Spring Framework
    Golang
    Python
    Spring Boot
    Java
  • $65 hourly
    Senior full-stack engineer with 20+ years of experience as a systems analyst, software architect, and developer, delivering solutions and integrations across a wide range of platforms and technologies, from blockchain to mobile to mainframe. I'm passionate about architecting, building, and integrating web applications and APIs, with a strong focus on RESTful systems and microservices. Throughout my career I specialized on fast delivering PoCs and MVPs. My primary programming language is Node.js. I'm highly proficient with both SQL (MySQL, PostgreSQL) and NoSQL (MongoDB) databases, and I specialize in front-end development using React, Tailwind, CSS, and JavaScript, TypeScript, and RPC communication, deep understanding of token standards such as ERC20, ERC721 and SPL tokens. I also bring solid DevOps expertise, including automated build pipelines, AWS, Cloudflare, Docker, Linux servers, and Gitbased workflows. Currently, my main interests are web3 blockchain technologies, onchain data analysis and automation, and exploring the potential of AI. But I can help on any type of software development. I'm open to projects and part-time or full-time opportunities.
    Featured Skill API Integration
    Microservice
    Web Application Development
    REST API
    OpenAI API
    Web3
    Software Development
    Software Architecture
    Blockchain
    Ethereum
    Solana
    MongoDB
    PostgreSQL
    React
    Node.js
  • $30 hourly
    With over 10 years of experience in web and mobile development, I specialize in solving the challenges you face with innovative, efficient solutions. Proficient in all stages of advanced web development, I bring expertise in a wide range of technologies, including: - React.js - Next.js - JavaScript - TypeScript - GraphQL - Node.js - And more. Driven by a passion for technology, I believe in the power of innovative solutions to change the world. Let's work together to tackle your toughest challenges.
    Featured Skill API Integration
    Tailwind UI
    Node.js
    Storybook
    Jest
    Cypress
    Next.js
    CSS
    HTML
    JavaScript
    Web Application
    GraphQL
    TypeScript
    React
  • $45 hourly
    Experienced Software Engineer with over 7 years in software development. I have worked in two of the largest software companies in Brazil, creating and maintining high-performance backend micro-service systems, specially REST APIs. During this time I've developed critical systems for high-volume environments, managing millions of daily transactions and events. I am skilled at Java with SpringBoot and its various libraries, AWS integration, Kafka. For database management, I am able to use a variety of persistence technologies, such as PostgreSQL, Oracle, MySQL, Redis. I also have experiece in Clojure and Golang. I'm eager to tackle new challenges, looking for freelance work. I love simplifying complex problems into clean, maintainable software solutions. I enjoy sharing knowledge and I can quickly adapt to a new programming language or tech stack.
    Featured Skill API Integration
    Software Architecture & Design
    SQL
    Clean Architecture
    Spring Boot
    Back-End Development
    API
    AWS Development
    Golang
    Clojure
    Java
  • $15 hourly
    Sou um desenvolvedor com experiência em RPA(Robotic Process Automation). Seja pra automatizar pequenas ou grandes tarefas, tenho experiência em criação de sites. Tanto para conseguir um trabalho, cria loja online, oque for posso ajudar - A comunicação regular é importante para mim, então vamos manter contato. - Possuo maior conhecimento em REACT, Java, Python, JavaScript,SQL - Gerenciamento completo do projeto do início ao fim
    Featured Skill API Integration
    PHP
    Web Development
    AI Image Editing
    React Bootstrap
    REST API
    Database
    Java
    Python
    Machine Learning
    AI Agent Development
    Web Application
    Personal Computer
    International Development
    Desktop Application
  • $15 hourly
    Since 2014 in the labor market. C#, ZPL, SQL, MySQL, Helpdesk, python, Servers setup, PowerShell, Linux desktop / Linux servers, Windows Knowledge. SAMBA 4 Active directory, file server, zoneminder, ubuntu desk/server. SAP B1/ SAP B1 HANA invoice, purchase, production modules experience, reports development, UI customization, service layer integration with other systems.
    Featured Skill API Integration
    Server & Virtualization Software
    Ubuntu
    Linux
    Python
    SAP HANA
    SAP ERP
    IT Management
    Process Development
    API Testing
    SQL
    Information Technology
    SAP
    SAP Programming
  • $25 hourly
    Hi! I’m Thawam Michels ✌️ A Brazilian Automation Developer passionate about creating smart workflows and eliminating repetitive tasks. 🚀 What I Do: - Design RPA solutions and BPM workflows for scalable processes. - Automate large-scale operations (especially in government/public sectors). - Turn manual tasks into time-saving systems with 90%+ accuracy. 💡 Why Work With Me? - 4+ years of experience in automation (since 2020). - Self-taught pro: Always learning and adapting to new tools and challenges. - Proven impact: Automated workflows for an entire city’s administrative processes, reducing manual work by 60%-70%, providing citizens with a digital transformation (No paperwork here!). 🌍 My Goals: - Collaborate with international teams to expand my experience and cultural understanding. - Improve my English communication skills while delivering high-quality automation solutions. - Work towards my dream of contributing to global projects and making a worldwide impact. 📩 Let’s Collaborate! Need a custom automation solution? Let’s chat! I’m here to help you: - Save hours/week on repetitive tasks. - Minimize human errors in critical processes. - Scale operations without hiring extra staff. *Fluency note: I’m actively improving my English, so communication will be clear and professional!* Tools I Use: BPM Softwares (n8n, SydleOne, Zapier) | JavaScript Vanilla | UiPath (Intermediate/Advanced) | SQL (Basics) *24/7 support for urgent projects *Fixed-price or hourly contracts 🌱 Let’s Grow Together! I’m not just looking for freelance projects – I’m looking for partnerships that help me grow as a professional while delivering exceptional results for your business. Let’s build something amazing together!
    Featured Skill API Integration
    Zapier
    JavaScript
    Data Extraction
    SQL
    n8n
    Business Process Automation
    Robotic Process Automation Software
    Robotic Process Automation
    UiPath
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a API Integration Freelancer near Curitiba, on Upwork?

You can hire a API Integration Freelancer near Curitiba, on Upwork in four simple steps:

  • Create a job post tailored to your API Integration Freelancer project scope. We’ll walk you through the process step by step.
  • Browse top API Integration Freelancer talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top API Integration Freelancer profiles and interview.
  • Hire the right API Integration Freelancer for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a API Integration Freelancer?

Rates charged by API Integration Freelancers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a API Integration Freelancer near Curitiba, on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance API Integration Freelancers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream API Integration Freelancer team you need to succeed.

Can I hire a API Integration Freelancer near Curitiba, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive API Integration Freelancer proposals within 24 hours of posting a job description.