Senior individual contributor on the Lodging and Cars Supply team responsible for end-to-end integrations with lodging, cars and GDS partners, evolving and maintaining microservices using Scala or other JVM languages, troubleshooting production issues, and delivering resilient, low-latency booking services. Remote role based in Brazil with cross-functional collaboration and ownership of feature delivery from implementation through deployment.

Work on Hopper's HTS backend to build scalable partner-facing commerce features. Responsibilities include driving codebase improvements for humans and AI agents, owning end-to-end features (primarily backend), architecting scalable solutions, designing AI guardrails and feedback loops, and collaborating with PMs and business partners. Tech highlights: Scala, GCP, React/TypeScript on the frontend, experience with LLMs/AI agent orchestration and distributed systems is emphasized.

Join Coinbase's Enterprise Applications team to develop full-stack services and integrations powering customer service and compliance tools (Salesforce, Maestro QA, Assembled). Role requires 5+ years experience, proficiency in Go, gRPC, event-driven architectures (e.g., Kafka), SQL/NoSQL, AWS, Kubernetes, Terraform, and CI/CD. Quarterly in-person "surges" are expected. Listed base salary: R$342,600/year.

Join the crypto team responsible for deposits, withdrawals and staking. The role focuses on integrating existing systems with new blockchains and building low-latency, high-availability, secure services using TypeScript (Node.js) and/or Rust, designing database schemas, and protecting client funds. Minimum 3 years of backend development experience is required.

Encora / Coforge is hiring a remote Python Engineer based in Brazil. Responsibilities include digesting product requirements, implementing solutions with attention to performance and scalability, coding, testing, and supporting production deployments while following agile processes. Required skills: Python (OOP, decorators, error handling), Django, React, HTML/CSS/JavaScript, RESTful APIs, Pytest, Git and GitLab CI/CD, basic Linux. Preferred: Copilot familiarity, FastAPI/Flask, Celery, AsyncIO, Docker, Jenkins, Postman, Swagger/OpenAPI, ELK.

Encora is hiring a .Net + Angular + AWS Full Stack Developer (posted 15-06-2026). The role involves building responsive Angular frontends (TypeScript, RxJS, NgRx) and scalable ASP.NET Core Web APIs (C#, EF Core, SQL Server), plus containerization (Docker), CI/CD, and automated testing (Jest, xUnit). Location: Brazil; Mode: Remote.

Tech Lead Java Engineer based in Campinas - SP (hybrid). Role requires strong Java (Java 17+), Spring/Spring Boot, Hibernate/JPA, SQL and NoSQL (MySQL, MongoDB) skills, experience with Docker and AWS (EC2, EKS, Lambda, Step Functions, Cognito, API Gateway, SQS, RDS, VPC), and proven technical leadership in building microservices and distributed, highly available systems. Responsibilities include system design, full SDLC ownership, mentoring, code reviews, documentation, and adoption of GenAI/AI-assisted development practices.

Mid-level Java Engineer based in Campinas (hybrid). Responsibilities include developing and maintaining backend services and APIs with Java (17+), Spring/Spring Boot, Hibernate/JPA, working with microservices and RESTful APIs, writing unit and integration tests, participating in code reviews, troubleshooting production issues, and using AI-assisted development tools. Required skills include Java, Spring Boot, Hibernate, SQL/MySQL, Docker, AWS (EC2/S3/RDS), Git, and experience with AI-assisted development practices.

Responsible for developing and maintaining core framework and messaging transport components for Kraken's trading engine (Aeron-based). Tasks include designing low-latency, high-availability messaging across unicast/multicast/IPC, tuning system stack for microsecond latency, building durable message replay integrations, implementing security and risk mitigations, and collaborating across distributed teams. Requires 5+ years' C++ experience and familiarity with Linux-based concurrent/low-latency systems; experience with Aeron, UDP/multicast, kernel-bypass techniques, profiling tools, and knowledge of trading systems and crypto is desirable.

Embedded within Pro engineering teams, the SDET will design, build, and maintain automated tests and quality tooling for backend APIs, integrations, and trading workflows. The role emphasizes automation (Python/Rust/C++), CI/CD and containerised environments, testing technologies (REST, WebSocket, gRPC, FIX), and experience with trading systems and high-availability infrastructures.

Fully-remote Senior Backend Engineer joining cross-functional teams to develop tools, APIs and integrations. The backend stack is Elixir and Phoenix with Postgres; frontend uses React/Next.js. Responsibilities include designing and shipping secure, reliable and scalable production systems, implementing agentic/automation workflows end-to-end, contributing to CI/CD pipelines, and mentoring other engineers. The listing references an annual salary range of $53,300–$119,850 USD for this full-time position.

Act as primary technical leader for cloud-native projects using Go/Java and TypeScript. Responsibilities include estimation, end-to-end architecture, client communication, unit testing, deployment, and managing cloud instances. Requires 7+ years recent experience with at least two of Golang, Java, or Python; experience with front-ends (TypeScript/HTML/CSS); cloud platforms (GCP/GAE/Firebase/AWS); microservices and containers (Docker/Kubernetes). Role is 100% remote and requires regular availability across PST and EST.

Sardine is hiring a Data Platform Engineer based in Brazil (remote) to build scalable, data-intensive applications including ETL and streaming pipelines, high-performance APIs, and scalable storage (e.g., Bigtable, BigQuery, ElasticSearch). The role requires 5+ years of experience and strong hands-on skills with technologies such as Apache Flink/Beam/Spark, Go/Python/Java, SQL/NoSQL, AWS or GCP, Docker, Kubernetes, and CI/CD.

Senior Software Engineer responsible for developing and maintaining VoIP solutions (SIP signaling, RTP/RTCP, codecs, NAT traversal), integrating and customizing FreeSwitch (ESL, dialplan, modules), building backend services in C/Java/Python/Golang, collaborating with DevOps to deploy on AWS, and diagnosing performance and scalability issues in real-time communication pipelines.

Encora seeks a Senior Go and Ruby Developer to design, implement, and operate scalable, high-performance cloud-native backend systems (microservices) on Google Cloud Platform. Responsibilities include architecture, implementation, testing, CI/CD, containerization (Docker, Kubernetes), messaging (Pub/Sub/Kafka), database design (relational and NoSQL), mentoring, and production support for a cybersecurity/SaaS platform.

Join the MediaWiki Platform team to design, improve, and maintain core MediaWiki components and shared platform capabilities (authentication, caching, rate limiting). The role emphasizes backend engineering, system design, observability, CI/CD, incident response, performance, scalability, and mentoring in a fully remote, distributed team.

Delivery Associates is hiring a hands-on Full Stack Software Developer (12-month contractor) based in Brazil with 5+ years' experience to build frontend (React/Next.js), backend (Python/Node.js) and data-layer solutions (e.g., Supabase/PostGIS). The role requires integration of APIs and AI/LLM services, working with messy government datasets, cloud deployment, and professional English and Portuguese.

Remote Senior Backend Engineer role at DuckDuckGo focused on developing performant, testable backend systems and data pipelines (Perl v5, Go, Node.js). Responsibilities include implementing AI-assisted features for Search and Duck.ai, maintaining search relevancy, mentoring engineers, and collaborating cross-functionally. Compensation listed at $178,500 USD/year plus stock; role expects ~40 hours/week and travel ~2 times/year for company meetups.

Work with Product, Design, and QA to design and develop robust backend services and APIs for a growing SaaS platform. Responsibilities include architecture contributions, automated testing, monitoring and risk mitigation, code reviews, and mentoring. Required experience includes senior-level backend development with languages such as Java, Kotlin, or C#, microservices architecture, SQL/relational databases, and familiarity with monitoring tools like New Relic or Kibana.

Senior Software Engineer (Backend) role focused on developing and integrating reconnaissance and cybersecurity analysis systems. Responsibilities include building high-performance, resilient cloud-native microservices in Go, owning CI/CD to production, addressing performance and availability, integrating monitoring/alerting, and collaborating with Product and Platform teams. Required skills: strong Golang, microservices, REST/gRPC, Docker, Kubernetes, GCP, Pub/Sub/Kafka, NoSQL and RDBMS, testing (unit/BDD), GitOps/DevOps and agile experience. Advanced English required.