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Backend developer building APIs and services with .NET Core 8.0, JavaScript, and SQL Server (views, procedures), with supporting HTML/CSS and Git skills. On-site-hybrid role in Curitiba, Brazil, requiring 5+ years of experience.
Senior backend engineer at Cometa Gaming sustaining high-throughput casino/sportsbook transaction flows: designing Go microservices for real-time provider handshakes, ensuring seamless-wallet idempotency, and migrating legacy PHP/Laravel flows to Go (Strangler Fig) using Kafka/RabbitMQ messaging and MySQL/Aurora. On-site in Belo Horizonte.
Backend specialist at Afterverse Games building and operating backend services for multiplayer games on Kotlin/JVM. Day-to-day work spans AWS and bare-metal infrastructure, Kubernetes, CI/CD, cloud security (IAM) and high-performance networking for high-complexity distributed systems.
On-site backend developer role in São Bernardo do Campo, Brazil, building WhatsApp chatbot systems at Leasi Desenvolvimento Corporativo. Day to day is backend and chatbot development, ideally with OpenAI/generative AI, RAG, LangChain/LangGraph, CRM/ERP integrations, Kubernetes and AWS/Azure/GCP. Mon–Fri, 9h–18h.
Talent-pool opening (junior, mid, or senior) for a DevOps role at Sottelli in Campinas, Brazil, centered on the Salesforce ecosystem. Day to day the person validates and executes deployments, manages releases, environment governance and data loads, and configures DevOps tooling such as Copado, Flosum, GearSet, Azure DevOps, Git and SQL.
Senior full-stack developer at Evertec Brasil (Campinas, on-site) building high-performance applications and AI-driven solutions for the financial sector: developing APIs, microservices and BFFs with Python, Node.js and React (plus Java for system maintenance), with generative AI/LLM work and cloud tooling as differentiators.
Mid-level backend developer at Onzze in Belo Horizonte, building application business logic and scalable solutions with Java 17, Spring Boot, REST APIs, and Oracle databases, plus CI/CD (Jenkins), Docker/Kubernetes, and Keycloak. React front-end experience is a plus.
Junior backend developer (1–2 years' experience) at Bossa Invest in São Paulo, building services with Node.js and NestJS on Postgres and DynamoDB, containerized with Docker and tested with Jest. React basics, AWS, and DDD/Clean Architecture are pluses; on-site, 40h/week, Gympass benefit.
On-site backend developer (Analista de Desenvolvimento) on InvestSmart's internal engineering team in Rio de Janeiro, building and maintaining internal systems like HubSmart and its integrations with Bitrix, XP and ERP. Core stack is Python (FastAPI) or TypeScript (React), SQL/PostgreSQL, REST APIs, Git/Docker, with AWS (ECS, Lambda) as a plus.
Unico, the world's largest identity-verification network, is hiring a Staff Frontend Engineer (100% remote in Brazil) to own the identity-verification journey used by its biggest clients — defining frontend architecture, technical standards, and leading cross-functional projects. Core stack: React, Webpack/Rollup, styled-components, Jest, and Claude Code.
Senior native Android developer, on-site in São Paulo (Berrini/Brooklin), building Android apps with Kotlin and Java, integrating REST APIs, applying MVVM/Clean Architecture, dependency injection and unit testing, using Git/CI-CD, Jira or Azure DevOps, and debugging on real devices with ADB and profiling tools.
Remote mid-level fullstack developer joining a squad that evolves an existing strategic product: building Java/Spring Boot backends and Angular, React and Next.js frontends, using microservices and hexagonal architecture, with continuous communication with the team and the client.
Senior Java developer role at Zallpy building domain-specific language tooling: designing DSL grammars, parsers, validators, and code generators with Xtext, EMF, and the Eclipse Platform, plus Language Server Protocol features. It's a 100% remote position (CLT or cooperative) serving an international client, using modern Java, Maven, tests, and CI.
Builds backend/full-stack services for Brazil's PIX payments ecosystem: BRL account lifecycle, ledger segregation via BTG indirect participation, DICT key management, MED/disputes, limits and reconciliation, plus third-party bank/PSP API integrations. 6-month remote contract; Go preferred, with Temporal, MongoDB, AWS, Kafka and Kubernetes as pluses.
Senior engineer on SAP Concur building production-grade AI for corporate travel, expense, and invoice management: cloud-native microservices and agent-ready APIs in Go/Java/Kotlin/Python, RAG and LLM orchestration on SAP BTP and AI Core, deployed via Docker/Kubernetes with strong focus on evaluation, security, and end-to-end service ownership.
Mid-level backend developer focused on AI agents at Zappts in São Paulo (hybrid 4x1), building PoCs, prototypes and automations for a large client organization. Day to day involves developing AI agents and integrating LLMs with corporate APIs, databases and systems using frameworks like LangGraph, CrewAI and Langflow plus low-code tools like n8n and Dify.
A hands-on senior engineering leadership role owning TNS's network automation platforms and infrastructure (supporting 70,000+ devices). Day to day: architecting and operating Kubernetes/AWS workloads with Terraform, Helm, Argo, and GitLab CI/CD, running the Nautobot stack, embedding DevSecOps, and mentoring engineers.
Senior backend Java engineer at Dasa, Brazil's largest integrated healthcare/lab network, building and maintaining hospital systems, quality tools and system integrations. Day to day: Spring Boot APIs, REST/SOAP web services, Oracle/MySQL query work, legacy maintenance, and some frontend with JSF, VRaptor, React or Angular. On-site in São Paulo.
Hybrid role (São Paulo or Rio de Janeiro) at Innolevels developing Python/LLM-powered tools for digital transformation projects on a large company's platform. Core stack: Python, TypeScript, Angular, SQL/NoSQL, Kubernetes, CI/CD, Kafka, Airflow, and RAG. Salary R$8,000.
Backend engineer in São Paulo designing, building, and maintaining scalable, secure backend systems and infrastructure for GenAI-powered products — with a focus on event-driven architectures, APIs, and microservices. Preferred stack spans Python, Node.js, Go, Ruby, and major cloud platforms.
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