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QA Engineer
QA Engineer at Point72 builds and runs automated and manual tests for trading systems, ensuring compliance and performance while collaborating with dev and support teams.
Quantitative Software Developer
Builds and maintains research infrastructure and backtesting frameworks for systematic trading strategies using C++ and Python.
Software Engineer, Corporate Systems Technology
Build and enhance enterprise business systems (HR, payroll, finance) at Point72's Warsaw technology office. Day to day: full-stack development (.NET preferred), SaaS integrations, cloud migrations, automated testing and CI/CD, working closely with business stakeholders in an agile team.
ADAS Embedded SW Engineer
We are seeking professionals who can contribute to our efforts with experience in the development of sensors, ECUs, models and software. This software test position is passionate about the validation and verification…
Pessoa Desenvolvedora Especialista Back-end Java e Kotlin | Onboarding
Specialist back-end developer (Java/Kotlin) on C6 Bank's Onboarding team, leading the full software lifecycle for card processing and financial transaction services. Works with Spring Boot microservices, PostgreSQL/MongoDB, Kafka/SQS/SNS, AWS with Terraform, CI/CD, and a strong focus on testing, observability, and security (JWT/OAuth2).
Quality Assurance
QA contractor role at KEV Group, which builds payments and accounting software for K12 schools. Day to day: functional, regression, smoke and exploratory testing, building UI/API test automation with Playwright, Selenium and Postman, SQL data validation, and integrating tests into Azure DevOps CI/CD pipelines.

Backend Engineer (Python),AI Engineering: Agent Foundations
Develops reusable AI-driven workflow components (Flow Registry) in Python for GitLab’s Duo Agent Platform, bridging backend services and frontend tools while ensuring scalability, security, and cross-stack collaboration.
Storage QA Lead Immediate Joiner
Lead storage QA for enterprise storage solutions: plan and execute testing plus build Python automation frameworks across virtualized environments (VMware ESXi/vSphere/vCenter, KVM), covering SAN/NAS protocols (iSCSI, NFS, SMB, Fibre Channel) and features like snapshots, replication, and failover. Needs 8-11 years in storage QA.
Desenvolvedor(a) Full Stack Sênior
Senior full-stack developer building and evolving Embarca's digital platforms for road transport and mobility in Curitiba. Day to day spans frontend (Next.js/React), backend (Ruby on Rails), REST API design and integrations, architecture decisions, automated testing, and CI/CD on Heroku/AWS.
Senior Full Stack Engineer, Payments (Jopari)
Designs and builds a secure, scalable payment platform for healthcare transactions, using Java, Spring Boot, React, and AWS to process ACH, virtual cards, and other digital payments.
Senior Software Engineer GO
Develop and maintain high‑impact, 24/7 financial transaction and accounting services, implementing features, performance optimizations, and distributed system architecture using Elixir/OTP, Phoenix, Go, PostgreSQL, Kafka, RabbitMQ, and Docker.
SOFTWARE ENGINEER GO PL
Software Engineer III building and evolving Stone's mission-critical Pix instant-payment systems in Go, from message authorization and routing to settlement at national scale. Day-to-day involves microservices, event-driven messaging (Kafka/RabbitMQ), PostgreSQL/MySQL, automated testing, code reviews, and post-deploy monitoring under Central Bank regulation.
[Banking/Boletos] Sênior Software Engineer - Golang
Senior backend engineer at Stone, a Brazilian payments/fintech company, building high-criticality banking/boletos services in Go. Day to day: designing and evolving microservices, owning systems in production, making architecture decisions, and driving quality via automated tests, code reviews, and observability.
SOFTWARE ENGINEER GO PLENO
Mid-level Go software engineer at Stone, a Brazilian payments fintech, building and evolving the APIs, workers, and API Gateway plugins that authenticate and route financial requests. Day to day: Go services in production, OAuth2/JWT/mTLS auth flows, Kubernetes deploys, observability, and incident response.
[Banking/Gerir] Sênior Software Engineer - Golang
Senior remote software engineer on Stone's Banking/Gerir team, building and scaling the Banking Read Ledger — a mission-critical, high-volume transactional data engine for the company's financial ecosystem. Core stack is Go and Elixir with PostgreSQL/MySQL, microservices, and event-driven architecture.
SOFTWARE ENGINEER I .NET
Junior .NET software engineer on Stone's Credit team, a Brazilian payments/fintech company. Day to day: developing and maintaining mission-critical C# services with relational databases and microservices, monitoring production systems, writing automated tests, and documenting changes. Remote role (Brazil).
[GenAI] Sênior Analytics Engineer - híbrido Florianópolis
Senior Analytics Engineer at Stone, a major Brazilian payments fintech, working hybrid in Florianópolis. Bridges business needs and the data platform: building and optimizing ETL/ELT pipelines in the lakehouse, ensuring data quality with monitoring and tests, and modeling data using SQL, AWS, BigQuery/Databricks, Python and BI tools.
SENIOR SOFTWARE ENGINEER - GOLANG
Remote senior software engineer at Stone, a Brazilian payments and financial services company. The role builds and maintains mission-critical systems in Go, using PostgreSQL/MySQL, microservices, Docker/Kubernetes, and cloud infrastructure, with automated testing, code reviews, and monitoring as part of daily work.