Backend Jobs in Brazil

Backend Engineer, AI Integrations

RemoteLATAM

Agentic AI AI Anthropic API AWS +19 skills

Backend engineer building production generative-AI features across varied client projects: architecting backend systems in TypeScript or Python, integrating LLM APIs, and shipping agentic, RAG-based, and MCP-powered functionality on cloud infrastructure. Fully remote from Brazil, with end-to-end feature ownership and mentoring.

Senior Backend Engineer

RemoteLATAMSenior

Agentic AI AI API BigQuery Data Engineering +12 skills

Senior backend engineer at Sardine, an agentic fraud/financial-crime risk platform, designing and maintaining APIs, services, and data pipelines while building features at scale and shaping engineering culture. Core stack includes Golang, TypeScript, PostgreSQL, BigQuery, Bigtable, and GCP.

1507 Avanade Brasil Company

Consultor(a) BackEnd Sênior Golang + Python | Azure

AI API Azure CI/CD Cloud +17 skills

Senior backend consultant at Avanade building agentic AI solutions that connect intelligent agents, APIs, and enterprise systems on Azure. Day to day: develop agents/services in Python and backend APIs in Golang, integrate GenAI capabilities, and build cloud-native, containerized solutions on Kubernetes.

Evertec Brasil

Desenvolvedor backend sênior | .net

AI Angular API .NET Kafka

Senior backend developer at Evertec Brasil, a financial technology company, evolving and modernizing existing systems using .NET Core/.NET Framework, Kafka event-driven architectures, and APIs, while contributing to architectural decisions. Hybrid role based in downtown São Paulo (2 days/week onsite); Angular 16 knowledge is a plus.

byx

Desenvolvedor backend python sênior

API AWS CI/CD Django Docker +11 skills

Senior Python backend developer at byx, a fintech building solutions to make the credit market more efficient. Day to day: developing and maintaining Python APIs, data modeling, code reviews, automated tests, monitoring, and CI/CD deployments to the cloud, using Django/FastAPI/Flask, PostgreSQL/MySQL, Redis, Docker and AWS. On-site in São Paulo (Vila Olímpia).

REVISE COMERCIO LTDA

Desenvolvedor backend pleno java – spring boot

API AWS Azure CI/CD CloudWatch +18 skills

Mid-level Java backend developer at Mobato (Grupo Revise, automotive sector) building new features and improving performance, stability, and security (OWASP) of Spring Boot backend applications, plus code reviews and documentation. Core stack: Java 21, Spring Boot, Spring Data JPA/Hibernate, PostgreSQL/SQL Server, Datadog and AWS CloudWatch.

SCIENSA INOVACAO E ESTRATEGIA DIGITAL LTDA

Hic backend & brms com ia

API CI/CD Java Quarkus Spring

✅ O que buscamos Experiência com Java, Quarkus ou Spring Boot. APIs REST. CI/CD. Testes automatizados. Conhecimento ou interesse em BRMS (Drools/DMN). Perfil comportamental Buscamos uma pessoa com: Boa comunicação;…

kraken.com

Senior Software Engineer - Rust - Backend - Pro

Agile API Distributed Systems Event Driven Architecture Kafka +1 skills

Senior backend engineer on Kraken's Pro team, designing and building Rust trading backend services — matching engine, market data gateways, and internal/external APIs — for a crypto exchange. Day-to-day work centers on reliable, low-latency distributed systems using Kafka, RPC protocols, and event-driven architecture.

Kraken International

Software Engineer II - Backend - Payments

Blockchain Distributed Systems Event Driven Architecture Kafka Rust +1 skills

Backend engineer (SWE II) on Kraken's Payments & Blockchain team, building services and libraries that move fiat and digital money in and out of the exchange. Day to day involves writing scalable Rust or Node/TypeScript code and working with distributed systems (Kafka, RPC, event-driven architecture).

RemoteFetch

Senior Backend Engineer Tech Lead (3-4 month long) - Remote - Latin America

Open 8d RemoteLATAMLead

Agentic AI Agile AI API AWS +15 skills

FullStack (posted via RemoteFetch) is hiring a Senior Backend Engineer Tech Lead for a 3-4 month, 100% remote engagement open to Latin America. The role leads backend architecture and engineering direction, building Node.js/TypeScript BFF and API middleware on AWS for high-scale e-commerce, with MongoDB, Salesforce integrations, and LLM tooling.

Indústria de Jogos

Backend Developer Senior

API AWS Docker Git PostgreSQL +5 skills

Senior backend developer at Jungle Gaming, an iGaming company, leading technical decisions and evolving the services that connect games, integrations, and platform products. Day to day: building Go microservices with PostgreSQL, Docker, DDD, REST/WebSockets, and AWS (SQS, SNS, S3), using Git and agentic AI tools.

Verity Group

.NET Backend Developer Pleno - REMOTO Remote Work Full-time employee

LATAMFull-time

API CI/CD Cloud C# DevOps +12 skills

Pleno-level .NET backend developer who builds, implements and maintains APIs and backend services in C#/.NET, collaborates on architecture and code quality (tests, SOLID, Clean Architecture), monitors applications with Dynatrace, and deploys on GCP (GKE) with Docker and Kubernetes in agile Scrum/Kanban teams.

Icalia Labs, Inc.

Backend Engineer

LATAMContract

API AWS Cloud Docker PostgreSQL +3 skills

Icalia Labs is hiring a contractor Backend Engineer (LATAM/Brazil) to design and build scalable, production-grade Ruby on Rails APIs, optimize PostgreSQL queries, run Sidekiq background jobs, and work with AWS, Docker, and RSpec in collaboration with a US-based engineering team.

Vigil Global

Backend Engineer - Ruby

RemoteLATAM

Agile API AWS CI/CD Cloud +18 skills

Backend engineer building and maintaining high-scale, customer-facing Ruby services in a cloud environment. Day to day: delivering features, shaping architecture, writing tested Ruby (RSpec/Minitest) code, and supporting production reliability with PostgreSQL, Redis, and MongoDB. Open only to Portugal or Brazil-based candidates.

WebHosting

Senior Backend Engineer – Remote (Brazil)

A/B Testing AI API CI/CD FastAPI +6 skills

Senior backend engineer building and scaling async Python (FastAPI) REST/WebSocket APIs and the AI plumbing behind them: multi-agent LLM workflows, provider-agnostic LLM integrations, and RAG pipelines over vector stores like pgvector/Chroma. Owns data modeling, observability (p95 latency, tracing), and full CI/CD releases, remote within Brazil.

WebHosting

Backend Engineer – Remote (Brazil)

AI API Linux MySQL Perl +1 skills

Backend engineer building and maintaining Python services and internal APIs behind Bluehost's web hosting products, administering Linux production systems and high-traffic MySQL data. Includes on-call troubleshooting and helping modernize legacy (Perl-based) codebases.

VILT | Angel Agg

Senior Backend Engineer (Kotlin) – AI & Cloud-Native

Anthropic API Cloud Cloud Native Docker +7 skills

VILT is hiring a Senior Backend Engineer to build an enterprise monitoring and observability platform that collects metrics, logs and traces across complex multi-system environments. Day to day: writing Kotlin/Spring Boot REST services, integrating LLM APIs (OpenAI, Anthropic), managing PostgreSQL telemetry data, and deploying via Docker, Kubernetes and Helm.

Oowlish Technology

Senior Backend Engineer (Php & Laravel)

RemoteLATAMSenior

Agile API AWS CI/CD Cloud +13 skills

Oowlish Technology seeks a Senior Backend Engineer to design, build, and maintain scalable PHP/Laravel backend services and RESTful APIs for US and European clients. Day-to-day work covers troubleshooting production issues, automated API testing, CI/CD, and performance optimization using PostgreSQL, Docker, Git, and AWS in a remote-friendly team.

Lever, Inc.

[Job 31654] Mid Level Back End (Java) Developer, Brazil

LATAMMiddle

Agentic AI AI Azure GitHub Java +3 skills

Mid-level Java back-end developer at CI&T working on a financial-sector client project. Day to day: building Spring microservices and REST APIs on Azure, writing automated and performance tests, and using Kafka/Service Bus messaging, GitHub, and Copilot. Brazil-based; residents of the Campinas metro area must work from the Campinas office.

ília

SR Desenvolvimento Back-end (Java)

API CI/CD Git Java JUnit +3 skills

Senior Java backend developer at ília working fully remote in Brazil on a strategic project for a large bank: building card tokenization integrations with Mastercard's MDES and provisioning services for Google Pay, Samsung Pay and Apple Pay, using Java, Spring Boot, microservices and secure API integrations (mTLS, JWE/JWS).