Hire the best Nest.js Freelancers in Buenos Aires, AR
Check out Nest.js Freelancers in Buenos Aires, AR with the skills you need for your next job.
- $75 hourly
- 5.0/5
- (14 jobs)
Hi, I'm a full-stack SW engineer with 7 years of intense and broad SW development experience and in overal 15+ years in IT and business solutions as an IT and business expert. I have working experience in small startups and such companies as SAP and IBM in the Enterprise market. I used to lead enterprise customers on their complex solutions implementation way. My advantages are not only in hard skills to develop apps and services, but to arrange teamwork, correct expectations, build and evaluate the plan to achieve goals and tracking execution. As a SW developer I deep skilled and experienced with the TypeScript, JavaScript, Node.js and various front-end and back-end frameworks. My last significant projects: 1. B2C service which includes catalogs, order placement, payments, documents generation and multiple third services integrations. Tech stack includes: Next.js, Postgres+Prisma, S3, Stripe, Clerk authentication, map service, PDF generation, docx generation. 2. High-load platform for web scraping and human-like actions. Features: browser fingerprints substitution, captchas bypassing, intensive and intelligent proxy management, highly critical approach for performance and cost optimization, deployment automation. 64 threads on syncronized several dedicated servers. Stack: Fastify, Playwright, Prisma+Postgres, Redis. 3. Marketing and promotional SaaS platform. Full-stack lead developer role. Tech stack: Next.js, Firebase, Postgres, GCP, AWS. 4. In-game currency transfers marketplace - thousands daily transactions, tens of thousands daily users: clients and liquidity providers in two major markets - was successfully sold. I was responsible for the architecture and product development from the scratch as a tech lead and in the senior developer role. Stack: React, Nest.js, Postgres+TypeORM, Next.js. 5. AI/ML startup where I was responsible for the user experience platform and led front-end(FE) team, FE architecture, critical functionality implementation and had personal responsibility for the ML pipeline designer development. Stack: React, MUI, GraphQL, Nest.js, MongoDB, Postgres+TypeORM, AWS. 6. Rich features social platform as Senior Full Stack Developer. My responsibilities included establishing and developing custom UI library based on Styled Components, deep Stripe integration (payments, billing and subscriptions, and Connect feature), Azure Media Services integration for live streaming, and other core functions. Tech stack includes: React, Styled Components, Koa, MongoDB, Azure. 7. Before I led the development of the Security Service Provider marketplace as a team leader and full stack developer (PHP/JS stack). My hard skills are based on knowledge and experience with Front-end: ● React, Redux, Mobx, jQuery; ● CSS/SCSS, Tailwind, Material-UI, Styled Components, Emotion, Bootstrap, ZURB Foundation for Emails (responsive emails); ● Next.js: Pages and AppRouter engines. I provide a pixel-perfect and well-tested responsive design layout. Back-end: ● Node.js and BE JS frameworks like Express, Koa, Fastify and especially Nest.js; ● Perfect SQL (MySQL and Postgres), good with MongoDB and Redis; ● TypeORM, Prisma and Mongoose as ORMs; ● GraphQL by Apollo Server and GraphQL.js; ● tRPC ● Linux basic setup and configuration, some Apache and NGINX configuration experience, proxies and etc. ● Containerization and deployments by Docker, AWS ECS, GCS Kubernetes and so on. FE/BE testing (Unit, components, integration and e2e tests) with Vitest, Jest, Testing library, Supertest, Cypress and finally Playwright. Availability monitoring by Checkly. I love lined up CI/CD processes and arrange them using GitHub Actions and relevant AWS, GCS and other providers features. My cloud infrastructure knowledge and experience represented but not limited by: ● AWS EC2, Beanstalk, AppRunner, Elastic Container Service, S3, Cognito, RDS and Amplify (just for FE hosting), serverless AWS Lambda and API Gateway. ● Google cloud infrastructure, including Firebase: various services. ● Also, I have some experience with basic Azure services and good with media services. ● Cloudflare, Vercel, DigitalOcean and etc In one of my projects I built a bulk mailing system (based on Mailgun), so have experience in mailings as well. I prefer a declarative approach, well structures, and clean code. I love to learn new and share knowledge. Arrange things - it's my weakness. I'm completely self-dependent, high responsible and reliable, attentive to the details, good in business and smart. I like clever challenging tasks and open to new opportunities.
Nest.js
AWS DevelopmentGoogle Cloud PlatformJestCypressStripeNestJSTypeScriptReduxSQLReactJavaScriptNode.jsNext.jsGraphQLMongoDB - $30 hourly
- 5.0/5
- (9 jobs)
I’m a senior software engineer and technical leader with over 7 years of experience building scalable, high-performance web applications and APIs. My expertise lies in .NET Core, Angular, and React, but I’ve also worked with Node.js, Spring Boot, and Flutter to deliver end-to-end solutions. Throughout my career, I’ve successfully: Developed custom web applications and APIs for startups and enterprises. Integrated third-party platforms like Stripe, Calendly, and Facebook API for seamless functionality. Optimized database performance using SQL Server, MongoDB, and Redis. Led teams of up to 10 developers, focusing on architecture design, code reviews, and mentoring junior developers. My frontend expertise includes frameworks like Bootstrap, Angular Material, and Tailwind CSS, ensuring responsive and user-friendly interfaces. On the backend, I’ve built robust systems with .NET Core, Node.js, and Spring Boot, delivering scalable and maintainable solutions. Here’s what I bring to your project: High-Quality Code: Clean, maintainable, and scalable solutions tailored to your needs. Proven Results: Improved performance, seamless integrations, and on-time delivery. Technical Leadership: Experience managing teams and designing architectures for complex projects. Whether you need a custom web app, API integration, or a complete system overhaul, I’m here to help. Let’s work together to turn your vision into reality!
Nest.js
ASP.NET CoreMongoDBExpressJSMERN StackMEAN StackMicrosoft SQL ServerAPI DevelopmentWeb DevelopmentNode.jsNext.jsNestJSAngularReactASP.NET.NET Framework - $50 hourly
- 4.8/5
- (11 jobs)
I’m a highly skilled Full-Stack Developer with over three years of experience building scalable, high-performance web applications using TypeScript, Next.js, and Node.js. My expertise spans from crafting intuitive UIs with React and Tailwind CSS, to architecting robust backend systems with Node.js, Nest.js, and PostgreSQL. Having worked in corporate environments, startups, and as an entrepreneur, I bring a unique perspective combining technical excellence and business-oriented problem-solving. I’ve launched my own SaaS product, giving me firsthand experience in building functional systems. 💡 I also build AI-powered features using OpenAI and the Vercel AI SDK, enabling intelligent, personalized user experiences through natural language interfaces. 🛠️ Tech Stack & Expertise Frontend Development ✔ Next.js, React – Modern server-rendered and client-side applications ✔ Tailwind CSS, ShadCN UI, Framer Motion – Elegant and responsive UI/UX ✔ Zod, React-Hook-Form – Type-safe form validation and handling ✔ Supabase Auth | Next-Auth – Authentication ✔ Redux – State Management Backend & APIs ✔ Node.js, Nest.js, Express ✔ Supabase – PostgreSQL database, auth, and file storage ✔ PostgreSQL | MySQL – SQL AI Integrations ✔ OpenAI, Vercel AI SDK – Chatbots, content generation, AI features Cloud & DevOps ✔ Vercel, AWS – Seamless deployment and scalable infrastructure Payments ✔ Stripe – Secure and smooth payment flows Version Control ✔ Git & GitHub – Clean, collaborative development workflows 🚀 Why Work With Me? ✅ Deep Product Thinking – I’ve launched my own SaaS from scratch. I understand the full lifecycle—from MVP to scale. ✅ Next.js + Supabase Power User – I move fast using the best tools for building full-stack products efficiently. ✅ Clean Code, Great UX – I care about structure, performance, and user experience. ✅ Reliable Communication – Expect proactive, clear, and responsive collaboration. Let’s bring your idea to life. Message me and let’s build something great together! 🚀
Nest.js
ChatGPTMySQLWeb DevelopmentCSSHTMLExpressJSJavaScriptNestJSNode.jsSupabasePostgreSQLTailwind CSSTypeScriptReactNext.js - $20 hourly
- 5.0/5
- (12 jobs)
🚀 Welcome to my profile! Over the past four years, I've been dedicated to crafting and enhancing websites that elevate business performance. With a proven track record and $10k+ earnings, I bring a wealth of experience and expertise to every project. 🛠️ Technologies at My Fingertips: Frontend: Proficient in HTML5, CSS3 (SASS), and JavaScript (ES7+). Specialized in React, Next.js (SSR and SSG), and Redux Toolkit. Backend: Adept with Node.js utilizing Express.js (MERN stack) and NestJS, coupled with database management in MongoDB (Mongoose) and PostgreSQL (Sequelize). Testing: Skilled in unit testing with Jest and functional testing using Jest Puppeteer. UI Frameworks: Mastery over Material UI, Bootstrap, and Tailwind CSS. Tooling: Proficient with WebPack module bundler and HandleBars template engine. Serverless Architecture: Experienced in deploying and managing serverless applications using AWS Lambda and the Serverless Framework. WebSockets: Adept at implementing real-time features using Socket.io. ✨ Why Choose Me: Extensive four-year experience delivering websites that drive tangible business value. Adept across the entire tech stack, ensuring end-to-end solutions. Adherence to industry best practices and a keen eye for detail. Results-driven mindset with a commitment to exceeding client expectations. Let's connect and discuss how we can take your project to the next level!
Nest.js
NestJSCSSAPIServerless StackAWS LambdaNext.jsExpressJSReactReact NativePostgreSQLHTML5MongoDBNode.jsMySQLJavaScript - $23 hourly
- 5.0/5
- (2 jobs)
Software Engineer I am a committed and efficient individual. I always focus on finding the best ways to do things with the goal of delivering a scalable product. I am highly solution-oriented. I love researching new technologies, proposing ideas, identifying, and solving problems. Throughout my career, I have worked with Golang, Python, Node.js, TypeScript, React, Vue, SQL, MongoDB, Azure, etc.
Nest.js
ExpressJSNestJSTypeScriptFastAPISQLAlchemyNode.jsVue.jsMicrosoft AzureSQLGolangReactPythonpandasJavaScriptDjango - $35 hourly
- 0.0/5
- (0 jobs)
Accomplished computer engineer with extensive experience in high-scale networking for industry leaders like Avaya and Huawei. Transitioned successfully into auditing and software development, demonstrating proficiency in building robust systems using Laravel and Node.js, and creating engaging applications with PWA and Flutter. Recognized for a self-driven approach and exceptional problem-solving skills. Seeking remote opportunities where I can contribute to challenging projects and drive innovation
Nest.js
Server AdministrationUnix ShellLinuxFlutterTailwind CSSAmazon EC2NestJSBootstrapCSSLaravelPHPMicrosoft SQL ServerMySQLNode.jsJavaScript - $43 hourly
- 0.0/5
- (0 jobs)
Software Engineer combining fintech experience, technical knowledge, and a general business view to develop mobile-first solutions. I am a fast learner and a team player who likes to work on challenging, fast-paced projects in start-up environments. I like to participate in every aspect of a project, from designing and problem solving to delivering quality crafted products. I love working with mobile technologies because they make people’s lives better. I apply coaching and leadership techniques whenever I can to help get the best out of the teams I am working with. I am a regular reader, sports enthusiast, and amateur designer. My goal is to develop and work with highly effective teams.
Nest.js
Atlassian ConfluenceTest AutomationReact NativeUX & UIMobile AppCross Functional Team LeadershipJiraPythonReactJavaKotlinGraphQLPostgreSQLNestJSNode.js - $60 hourly
- 4.9/5
- (3 jobs)
Experienced full-stack software developer with a strong focus on frontend and product development. Currently working on AI agent development using LlamaIndex, Python, FastAPI and OpenAI, building intelligent systems that combine retrieval-augmented generation (RAG) techniques with real-time voice agents integrations. Proficient in Angular and Node JS, with additional hands-on experience in mobile development and Azure cloud services. I thrive in multicultural teams and enjoy applying my passion for languages and data science to real-world problems.
Nest.js
FirebaseIonic Framework.NET CoreMicrosoft AzureNestJSCSS 3HTML5SQLMongoDBGolangC#Node.jsTypeScriptJavaScriptAngular - $20 hourly
- 5.0/5
- (3 jobs)
Senior developer with experience in design, development and implementation of applications and team leadership. Experience using technologies such as nodejs, python, sql server, mongodb, among others and continuously learning new skills.
Nest.js
Azure App ServiceAzure DevOpsLeadership SkillsExpressJSNestJSNode.jsDevOpsJavaScript - $10 hourly
- 0.0/5
- (0 jobs)
I'm full-stack developer who have experience of building mobile apps, backend services and setup DevOps practises for clients
Nest.js
DockerKubernetesNext.jsReact.NET CoreWeb ApplicationApp DevelopmentProduct DevelopmentOAuthNestJSNode.jsWeb DevelopmentiOS Development - $10 hourly
- 0.0/5
- (0 jobs)
Professional focus and profile Computer Engineer with 2 years of experience in systems analysis and software development. Passionate about collaborative environments and knowledge sharing. My capstone project focused on building a tool for educators to adapt learning materials for students with specific learning difficulties (SLD/DEA). Constant learner with a strong interest in front-end development and software design. Technical skills: Python - Javascript - Typescript - Java - Spring - React - Redux - Next - Material UI - Bootstrap - Tailwind CSS - Node JS - Nest JS - Express - Mongoose - Prisma ORM SQL - NOSQL - Mongodb - Git - Automation Selenium- Machine learning - Data science - OOP - Database design - Algorithm design - Website development
Nest.js
JavaScriptTypeScriptSeleniumSQLPostgreSQLNestJSSpring BootPythonBack-End DevelopmentFront-End DevelopmentNodeJS FrameworkJavaNext.jsBootstrapReact - $18 hourly
- 0.0/5
- (0 jobs)
We are a passionate team dedicated to building custom digital solutions. With years of experience in software development, we create websites, mobile apps, and tailored systems for a wide range of industries, including finance, logistics, inventory management, sales, and more. We work with commitment, agility, and a strong focus on results. We’ve successfully completed projects for various clients who rated us highly for our technical quality, reliability, and clear communication. Whether you need an app built from scratch, want to modernize your current system, or need help with a specific challenge — we’re here to help. We adapt to each project with efficient and scalable solutions. Technologies we specialize in: ✔️ Web (Angular, React, Vue) ✔️ Mobile (Ionic, Flutter, React Native) ✔️ Backend (Node.js, Laravel, NestJS) ✔️ Databases (PostgreSQL, Firebase, MySQL, Supabase) ✔️ Cloud (GCP, Azure, AWS) Ready to work together? We’re just a message away.
Nest.js
SQLNext.jsReact Native.NET CoreNestJSSAPReactAngularEcommerce WebsiteWeb ApplicationWeb Development - $25 hourly
- 0.0/5
- (0 jobs)
Greetings! Are you in search of a brilliant and dynamic software engineer who can elevate your projects to new heights? Look no further! I am here to offer my expertise and passion for building exceptional software solutions. As a talented and driven software engineer based in the vibrant city of Buenos Aires, I bring a fresh perspective and youthful energy to every project I undertake. With an unwavering commitment to excellence, I thrive in fast-paced environments and tackle challenges head-on. My technical prowess is backed by a diverse and extensive tech stack. I am well-versed in TypeScript, Node.js, and Nest.js, which empower me to develop robust and scalable backend solutions. When it comes to crafting captivating user interfaces, I harness the power of React, React Native, and Next.js. With my expertise in tools like Tailwind CSS and Zustand, I ensure sleek designs and smooth user experiences. But that's not all! I possess a comprehensive understanding of essential DevOps practices. From managing SSH connections to containerization with Docker, I am adept at deploying and maintaining applications with efficiency and reliability. With my deep knowledge of version control systems like Git, I ensure seamless collaboration and code management. My track record of success is a testament to my dedication and skill. I have delivered exceptional software solutions for diverse industries, ranging from e-commerce platforms to social networking applications. My ability to analyze complex problems, devise innovative solutions, and implement them flawlessly sets me apart. Beyond my technical acumen, I am a natural collaborator and an effective communicator. I excel in cross-functional teams, fostering productive relationships and enabling smooth project coordination. By actively listening to client needs and leveraging my expertise, I consistently exceed expectations and deliver outstanding results. When you hire me, you're not just gaining a highly proficient software engineer but also a committed partner in your success. I am driven by the desire to create impactful solutions that make a difference in the lives of users. So, are you ready to take your projects to the next level? Let's collaborate and turn your visions into reality. Contact me today to discuss how I can contribute to your success as a dedicated software engineer. Hire me now, and together, we'll create software that will leave your competitors in awe. Looking forward to hearing from you soon! Maickol Vasquez Amador
Nest.js
APIMongoDBAPI DevelopmentSoftware DevelopmentRESTful APILinuxNestJSFFmpegTailwind CSSHTML5SassTypeScriptJavaScriptReactNext.jsGitCSS - $10 hourly
- 0.0/5
- (2 jobs)
Passionate and dedicated Full Stack Developer with a strong foundation in JavaScript. Skilled in front-end development using libraries like React and Redux, allowing me to create dynamic and interactive user interfaces. I have also gained experience in back-end development using Node.js and Express.js, where I have honed my server-side logic and data management skills. My proficiency in HTML and CSS enables me to design visually appealing and user-friendly web pages. In addition, I have worked with databases using tools like Sequelize and PostgreSQL to efficiently handle data. With my well-rounded knowledge of both front-end and back-end technologies, I am capable of delivering end-to-end solutions and contributing to the entire web development process. I am committed to continuous learning and improvement, always seeking new challenges to enhance my skills. I am eager to bring my passion for development and my collaborative mindset to your projects. I am thrilled to share that I've also completed a UX/UI design course at "Codo a Codo." This dynamic combination allows me to bring a unique perspective to web development, combining technical expertise with a focus on user-centered design.
Nest.js
MongoDBNestJSUX & UI DesignTypeScriptUX & UINext.jsReact NativeExpressJSNode.jsTailwind CSSReactReduxCSSJavaScriptHTML - $20 hourly
- 0.0/5
- (0 jobs)
💻 **Fullstack Developer | MERN Stack, Next.js, NestJS & GraphQL** I'm a Fullstack Developer with 3+ years of hands-on experience building real-world, scalable web applications in a fast-paced startup environment. I specialize in the **MERN stack**, combining **Next.js** and **NestJS** to deliver high-performance frontend and backend solutions using **GraphQL** and REST APIs. During my time at **H+Trace**, I led and contributed to production-grade systems, working closely with product teams to ship features rapidly without compromising code quality. While I don't have a public portfolio due to the proprietary nature of the projects, I'm happy to discuss the challenges I faced and the solutions I implemented — from architecture decisions to deployment pipelines. I bring a strong sense of ownership, clean code practices, and collaborative mindset to every team I join. 🔧 **Key technologies:** React · Next.js · Node.js · NestJS · GraphQL · MongoDB · TypeScript · Docker · Git · CI/CD Let’s build something impactful together.
Nest.js
AWS CodeDeployDockerReactNext.jsNestJSMERN Stack - $15 hourly
- 0.0/5
- (0 jobs)
I'm a software developer experienced in building websites with React and NextJS. Also did some projects working with Java, Spring boot, NodeJs, Express.
Nest.js
Back-End DevelopmentFront-End DevelopmentNodeJS FrameworkSoftware DevelopmentJavaScriptHTMLCSSSassTypeScriptJavaNestJSExpressJSReactNext.jsWeb Development - $20 hourly
- 0.0/5
- (0 jobs)
PRESENTACIÓN Desarrollador de Software con conocimientos en C#, SQL Server, Node.js, TypeScript y Angular. Cuento con experiencia en la creación de aplicaciones eficientes y escalables, con experiencia en desarrollo backend y bases de datos. Me esfuerzo por aprender continuamente y mejorar mis habilidades.
Nest.js
PostmanAngularNestJSExpressJSNode.jsTypeScriptJavaScript.NET CoreJavaC#Web DevelopmentApp DevelopmentDesktop Application - $25 hourly
- 3.3/5
- (3 jobs)
Backend developer with specialized expertise in Node.js, Golang, PostgreSQL, NestJS, Laravel, and Jest for unit testing. Proficient in implementing scalable solutions using MongoDB, Oracle, DynamoDB, with complementary skills in React and Elixir for frontend and backend collaboration. Experience in deployment using OpenShift, AWS, and GCP cloud platforms. Versatile in navigating complex environments and contributing to multidisciplinary projects.
Nest.js
ReactNestJSNode.jsCodeIgniterVue.jsLaravelElixirGolangHTMLCSSPHPJavaScriptHTML5CSS 3SQL - $3 hourly
- 0.0/5
- (0 jobs)
Hello! My name is Tristan, and I'm from Buenos Aires, Argentina 🇦🇷 I'm a Full Stack Developer with experience in React TypeScript and Vite, specializing in personal websites and small-scale e-commerce solutions for local businesses and portfolios. I studied TypeScript at Coderhouse, where I focused on building frontend applications with React and backend systems using NestJS. NestJS and React are my favorite frameworks to work with. In addition, I hold a PhD in Communication Sciences from the University of Buenos Aires, which gives me a strong social and commercial perspective when developing applications. I'm ready to help and collaborate on your projects. Thank you! 🙏
Nest.js
ExpressJSNestJSReact NativeMongooseMongoDBAngular MaterialBootstrapTypeScriptJavaScriptReactAngular Want to browse more freelancers?
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