Senior Full Stack Developer - AI Infrastructure

Position OverviewAt Lean Layer, the premier RevOps Agency according to G2, we are expanding our consulting and engineering teams significantly in the coming year. Our reputation is built on delivering outstanding results, which drives our need for exceptional talent. We are currently seeking a Senior Full Stack Developer to take ownership of and enhance our …

Join AE Studio, a premier development, data science, and design studio dedicated to partnering with founders and executives to craft bespoke software solutions and advanced machine learning applications. We create innovative products, platforms, and internal initiatives that enhance the agency of all conscious beings. Our team merges exceptional software engineering, AI proficiency, and intuitive product design to deliver impactful projects that truly matter. We are seeking a Senior Full-Stack Developer who excels at integrating modern web engineering with practical AI applications. This role entails designing, developing, and deploying production-ready AI-driven applications while upholding the standards expected of a leading software developer.

Role Overview Anyone AI is hiring a Full-Stack Developer - AI Trainer based in Brazil. This role focuses on building and improving AI-powered applications, working across both front-end and back-end technologies. What You Will Do Develop and maintain features for AI-driven products Work closely with data scientists and machine learning engineers on project goals Contribute to technical decisions that shape new artificial intelligence solutions Location This position is based in Brazil.

Anyone AI is actively seeking talented Full-Stack Developers with expertise in Python and JavaScript/TypeScript to collaborate on an innovative project with a leading AI Lab.

Join our innovative team at Psicro as a Full-stack Developer specializing in AI Solutions. In this role, you will leverage your expertise in both front-end and back-end technologies to create cutting-edge applications that enhance our AI capabilities. You will work closely with cross-functional teams to design, develop, and deploy high-performance software solutions.

Job Title: Full-Stack Developer with AI FocusLocation: Remote (Brazil)Schedule: Monday - Friday, 9 AM - 5 PM EST - Full-Time (Flexible)Salary Range: $1,800 – $3,500 USD per month ($11 – $22 USD/hour)Join our innovative team at lago-1, where we revolutionize veterinary care through our AI-driven ecosystem. Serving over 20,000 clinics in more than 100 countries, our proprietary AI platform, Marcia, integrates six portals and supports millions of users with seamless concurrent sessions.This role is not your standard engineering position. We operate in an AI-first environment where developers are encouraged to adopt agentic workflows, automation, and AI-assisted development to enhance efficiency and build smarter solutions at scale.Role OverviewWe are in search of a Full-Stack Developer who possesses not only strong technical skills but also extensive experience in AI-assisted development workflows. You will be pivotal in constructing and scaling a high-performance, globally distributed platform.You should be adept with tools such as Claude Code and Cursor, orchestrating sub-agents, and utilizing AI throughout the development lifecycle. This role demands a systems-oriented thinker who can optimize performance and develop infrastructure that scales effortlessly under significant load.Key ResponsibilitiesAI-Assisted Development: Utilize AI tools (Claude Code, Cursor) as primary development environments; design and manage agentic workflows and sub-agents; leverage AI to expedite development, testing, and debugging.Full-Stack Development: Construct and uphold scalable frontend and backend systems across multiple portals (Consumer, Clinic, Enterprise, Platform, Referral, Admin); ensure the code is clean, maintainable, and of high quality.Performance & Scalability: Optimize database queries and system performance; design and oversee caching layers and connection pools; develop systems capable of supporting millions of concurrent users.Code Quality & Security: Guarantee all code passes automated review pipelines (5+ bots) prior to human review; achieve SonarCloud quality gates on initial push; uphold stringent security best practices.System Design: Architect distributed systems for global scalability; assure reliability, fault tolerance, and high availability; collaborate on infrastructure and backend architecture decisions.

About TruelogicTruelogic is at the forefront of providing top-notch nearshore staff augmentation services, based in New York. With over 20 years of expertise, we empower businesses of all sizes—from groundbreaking startups to established industry leaders—with premier technology solutions that enable their digital transformation journeys.Our diverse team of over 600 proficient tech professionals, located throughout Latin America, is committed to driving digital change by collaborating with U.S. companies on significant projects. Whether working with Fortune 500 corporations or dynamic startups, we consistently deliver impactful results.By applying for this role, you are taking a significant step toward joining a vibrant team that appreciates your skills and ambitions. We strive to match your expertise with opportunities that promote remarkable career development and success while engaging in transformative projects that will shape the future.Our ClientOur client specializes in providing comprehensive, cloud-based HR software solutions tailored for the public sector. Their platform features modules that facilitate recruiting, employee development, and workforce management, automating and optimizing the entire employee lifecycle to enhance processes and diversity initiatives—all from a single centralized solution.Job SummaryWe are seeking a skilled Senior Full-Stack Engineer to design and implement AI-enhanced features across various products. You will have the opportunity to rotate among different product teams, focusing on the design, development, and delivery of innovative AI solutions. The ideal candidate will swiftly acclimate to new codebases, grasp their architectures, and execute complex full-stack features end-to-end. This role is perfect for an engineer who thrives in fast-paced settings and is passionate about the convergence of Generative AI and enterprise software, with a strong emphasis on creating scalable, high-impact solutions through collaboration with cross-functional teams.ResponsibilitiesFull-Stack Development: Architect, develop, and sustain scalable backend services utilizing C# / .NET Core, alongside modern frontend interfaces built in Angular.AI Integration: Integrate AI-driven features across various products, including document search functions, MCPs, agents, and chat-based completions.AI-Powered Velocity: Utilize tools such as Claude Code and GitHub Copilot daily to expedite code generation, refactor processes, and maintain technical documentation.Engineering Excellence: Implement recognized architectural patterns and best practices to ensure high-quality software development.

Role overview As a Senior Full Stack Software Engineer at oowlish, this position centers on building applications that incorporate Artificial Intelligence. The work involves both Node.js and React, with a focus on improving user experiences and advancing business objectives. What you will do Collaborate with cross-functional teams to define and deliver new product features Participate in all phases of the software development lifecycle, from initial planning through deployment Use current development practices to maintain software quality and support long-term maintainability Design, develop, and maintain full stack solutions with Node.js and React Location This role is based in Brasília, Federal District, Brazil.

Oowlish seeks a Senior Full Stack Engineer in Brasília, Federal District, Brazil. This position focuses on developing advanced applications using Next.js, AI technologies, and TypeScript. Role overview As a Senior Full Stack Engineer, collaboration with a talented team is central to the work. The role involves designing, building, and maintaining solutions that enhance user experiences and contribute to business growth. Key technologies Next.js AI technologies TypeScript Location This position is based in Brasília, Federal District, Brazil.

Join the leading startup in B2B Sales Intelligence!At Econodata, a startup backed by the Telefonica Group and founded by former UFRGS students, we heavily invest in AI and Big Data. Our B2B Intelligence and Prospecting Platform enables users to access and segment data from all 23 million companies in Brazil.We have major clients such as PagBank, TOTVS, Unimed, and BASF, in addition to over 3,000 small and medium-sized enterprises.We are looking for a Tech Lead or Senior Developer who is eager to take on a strategic and technical role within our largest acquisition channel. Our website attracts 10 million organic visits per month and boasts tens of millions of indexed pages.Our tech stack includes Vue 3 + Nuxt, Node.js, ElasticSearch, PostgreSQL, and cloud services from GCP, with significant use of Azion for caching, security, and performance enhancement.You will be tasked with steering the technical direction of our platform, leading performance decisions (Core Web Vitals, auto-scaling, crawl optimization, etc.), and collaborating with Product, SEO, RevOps, and Engineering to maintain and scale a critical infrastructure for the company's growth, while delivering new features and free tools.This is a strategic position with direct contact with the company's founders, allowing for a substantial impact on business outcomes. Challenges You Will Encounter:Act as tech lead, making architectural and process decisions.Optimize performance for massive-scale crawlers, particularly Googlebot and AI systems.Reduce latency and costs with caching solutions, architectural refinements (Node, Elastic, GCP).Address technical issues impacting SEO (rendering, indexability, real and perceived performance).Collaborate with the Product and SEO teams to shape the technical backlog.Implement robust observability practices, auto-scaling, and reliability engineering.Provide technical support for integrations with RD Station, Pipedrive, Blip.

Location: BrazilJob mode: Full-timeWork mode: Work from home Role overview Encora is seeking a Senior Full Stack Developer with strong experience in React and Python. This position joins an agile team focused on building digital products that support business objectives and client success. The role emphasizes both hands-on development and active participation in technical decisions. What you will do Design, develop, and maintain applications with attention to quality, scalability, and architectural best practices. Contribute to technical decision-making and advocate for continuous improvement in a senior capacity. Work closely with cross-functional teams, using strong communication skills and informal leadership to drive projects forward. Optimize application performance and reliability, making effective use of databases, search engines, and asynchronous processing. Requirements Extensive experience with Python programming. Proficiency in MySQL, including data modeling and query optimization. Solid knowledge of React. Experience using Redis for asynchronous processing. Familiarity with Elasticsearch for search optimization. Understanding of TypeScript is a plus. Demonstrated ability to design scalable architectures and follow development best practices.

ciandt brings together human expertise and artificial intelligence to build technology solutions that scale. The company has spent 30 years partnering with clients to drive tech transformation. Today, ciandt’s team includes more than 8,000 professionals worldwide. Over 1,000 clients have worked with ciandt during this journey. Artificial intelligence plays a central role in the company’s approach and daily work. Role overview This Mid/Senior Full Stack Developer position is based in Brazil. The role centers on developing and supporting scalable technology projects as part of a collaborative team. What you will do Work on projects that combine human insight with AI-driven solutions Contribute to technology initiatives for a range of clients Support ciandt’s commitment to continuous tech transformation

Join Sigma Software Group as a Senior Full-Stack Developer specializing in Python and React. In this role, you will be responsible for designing, developing, and maintaining high-quality web applications. You will collaborate with cross-functional teams to deliver innovative solutions that meet client needs.

Capco is a global technology and business consultancy, dedicated to the financial services and energy sectors. We are passionate about empowering our clients, with a presence in 40 offices across the Americas, Europe, and Asia-Pacific. If you thrive on creativity and innovation, Capco is the place for you! We are committed to supporting you in accelerating your career.We are currently seeking a passionate Full Stack Developer who is enthusiastic about technology and innovation, with a keen interest in projects involving Artificial Intelligence. The professional will be responsible for developing comprehensive web applications—both frontend and backend—integrating AI models, smart APIs, and data-driven systems.

Role overview Oowlish is seeking a Senior Software Engineer based in São Paulo to develop and deliver full-stack applications. The position emphasizes hands-on work with Node.js and React, especially on projects that incorporate artificial intelligence. Collaboration is essential in this role. The engineer will work closely with cross-functional teams to ensure that software solutions meet client requirements and expectations. Key responsibilities Design and build full-stack applications using Node.js and React Contribute to projects with an artificial intelligence component Work alongside teams from different disciplines to deliver solutions tailored to client needs Requirements Experience with Node.js and React in a full-stack development context Interest or background in artificial intelligence projects Strong ability to collaborate with cross-functional teams Located in São Paulo

At Benfatto, we are seeking a talented and motivated Senior Full Stack .NET Angular Developer to join our dynamic remote team. Your primary responsibilities will include the development of scalable and distributed software solutions, ensuring optimal performance and security of applications, and promoting best practices in code maintainability and readability.You will actively share your insights and experiences with team members, contribute to improving application observability, and conduct thorough code reviews to maintain high quality standards.

Role overview Neoris seeks a Senior Full Stack Engineer based in Brazil to help build web applications that are dependable and easy to use. This role covers both front-end and back-end development, with a focus on scalable solutions that enhance user experience across Neoris products. What you will do Design, develop, and implement software as part of a collaborative team Partner with colleagues from various disciplines to deliver high-quality applications Follow industry best practices throughout the development cycle Analyze complex technical problems and contribute practical solutions Requirements Professional experience with both front-end and back-end technologies Strong problem-solving skills and the ability to address technical challenges Comfort working with cross-functional teams

CI&T delivers technology transformation projects, combining human expertise with artificial intelligence to build scalable solutions. With over 8,000 professionals worldwide and more than 1,000 client partnerships over three decades, CI&T focuses on real-world AI and digital innovation. Location Requirement Mandatory office attendance applies to candidates living in the Metropolitan Region of Campinas, following our current company policy. Role Overview CI&T is hiring a Senior Full Stack Developer based in Brazil for a major project in the financial sector. This role offers the chance to work on impactful technology initiatives alongside experienced teams.

Join our innovative team at RH Software Ltda as a Full Stack Developer. In this role, you will be responsible for designing and implementing complex web applications, working with both front-end and back-end technologies. You will collaborate with cross-functional teams to deliver high-quality software solutions while ensuring optimal performance and user experience.

Company OverviewAt NewRich Network, we empower digital entrepreneurs to transform their aspirations into tangible achievements. Our mission is straightforward yet ambitious: to assist individuals in creating a harmonious, fulfilling lifestyle while accumulating wealth and independence in the process.We are a rapidly expanding team united by a singular vision: a future where anyone can work remotely, pursue their passions, and lead life on their own terms.Our platform integrates SaaS tools, e-learning initiatives, and a collaborative social network—forming a comprehensive ecosystem tailored for creators, entrepreneurs, and visionaries who seek more than just a job.We are on the lookout for a proficient Full Stack Developer who can make significant contributions across our product spectrum by developing new features, enhancing existing systems, and optimizing team workflows. This role is ideal for someone who flourishes in a fast-paced environment and takes full responsibility for their tasks.In this position, you will engage with our Laravel services (PHP 8.2 / Laravel 10), React frontend (React 18 + TypeScript + Vite), and AWS infrastructure, contributing to production code while improving documentation, workflows, and processes. We prioritize attitude and ownership over sheer technical prowess.We believe that meaningful work and a healthy work-life balance are essential to embodying the NewRich Lifestyle.If you are driven, ambitious, and eager to grow alongside us, we invite you to apply!