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Software Engineer, Data Platform
Build and own the data platform powering trusted, petabyte-scale data for analytics, BI, and agentic workflows at a fintech leader.
Software Engineer, Financial Platform - Issuing
Build and maintain the card-issuing platform powering Cash App Card and Square Card, including transaction processing, authorization, and disputes at massive scale.
Full-Stack Senior con IA & Agentes
Senior full-stack engineer working on Khipu's products: maintaining, debugging and evolving long-running production systems in Java/Kotlin (Spring, Micronaut, Grails) plus Python, TypeScript, Go, Swift, while using AI agents to amplify development and building LLM-based agentic solutions when appropriate.
Software Engineer, Privacy Engineering
Software engineer on Block's Privacy Engineering team, building internal services and infrastructure that protect customer privacy across Block's ecosystem (Square, Cash App, Afterpay, etc.), collaborating with product, security, and legal teams, mentoring engineers, and maintaining existing privacy tooling. Stack: Java, Kotlin, Linux, Terraform, AWS, MySQL.
Senior Software Engineer, Cash App Taxes
Senior Software Engineer at Block building and maintaining the backend systems that power Cash App's tax filing experience, using Java/Kotlin, SQL, and cloud platforms.
Software Engineer, Cash App Taxes
Backend engineer on Cash App's Tax Engine Server team, building and owning the systems that power tax filing — from federal/state form logic to e-file submission — by translating complex tax rules into clean, well-tested code. Stack includes Java/Kotlin, SQL, GCP/AWS, gRPC, and AI coding agents.
Staff Software Engineer, Cash App Banking
Lead the architecture and engineering of Cash App’s banking backend, building scalable financial services in Java/Kotlin on AWS while mentoring engineers and driving cross-team technical strategy.
Senior Android Engineer, Frontend Technologies
Build and maintain Android build systems, observability tools, and platform solutions for Vinted’s marketplace app, using Kotlin, Kotlin Multiplatform, and testing frameworks to support 100+ million users.
Android Engineer, Frontend Technologies
Senior Android engineer on Vinted's Android Technologies team, building core Android architecture, shared libraries, build systems, observability, and developer tooling that help product teams ship marketplace app features to millions of users. Core stack includes Kotlin, Kotlin Multiplatform, and coroutines.
Analista Programador Android (Java/Kotlin)
Android analyst-programmer joining a stable healthcare-sector project in Barcelona, doing both functional analysis and native Android development in Java/Kotlin. Permanent contract with hybrid remote work at IT services firm Inetum.
Software Engineer, Finance Applications
Build and maintain integrations between enterprise systems (Salesforce, Oracle, Zip) using MuleSoft and Python tools to automate procurement, finance, and supply-chain workflows.
Senior Backend Engineer, Quality Engineering
Build and maintain automated testing frameworks and quality metrics for Vinted’s platform, using Go, Kotlin, Kafka, and BigQuery to ensure reliable software across Europe’s largest second-hand marketplace.
Senior Backend Engineer, Buyer
Senior backend engineer on Vinted's Buyer domain (CVP team) in Kaunas, designing and owning scalable backend services that govern content visibility and search across Vinted's second-hand marketplace, including A/B-tested features, on-call, and mentoring. Stack centers on Go/Kotlin/Ruby/Python, Kafka-style event streaming, search engines like Vespa/Elasticsearch, Jenkins, and Grafana/Kibana.
Lead Fullstack Engineer
Technical lead at Protofy, a Hamburg-based digital agency, guiding client projects (websites, mobile apps for e-commerce, knowledge management, sports) from architecture through deployment while mostly hands-on coding, mentoring the team, advising client decision-makers, and shaping AI-assisted development practices. Core stack: React plus Node.js, Flutter or Kotlin.
Senior Android Engineer, Client Team - VenturaOS
Build Android-based TV and mobile apps using Kotlin, Jetpack Compose, and Coroutines to power next-gen ad experiences for streaming TV and mobile platforms.
Senior Software Engineer, Backend - Infra/Platform, VenturaOS
Build and operate the cloud infrastructure and Kubernetes platform powering VenturaOS, a Smart TV operating system, including compute, networking, identity, GPU/ML-serving, and end-to-end telemetry for a global adtech company.
Full Stack Engineer (Java, Kotlin, Vue.js) (B2B)
Full stack engineer developing and maintaining product and assortment management systems for a large DIY retail ecosystem: backend services and APIs in Java/Kotlin with Spring Boot, frontend apps in Vue.js, event-driven Kafka processing, AWS and containerized environments, and PostgreSQL data modeling, working hybrid from Katowice.
Desenvolvedor(a) Backend (Java/Kotlin)
DOMVS iT is hiring a backend developer in São Paulo to build modern, scalable systems in a dynamic, collaborative environment. Day-to-day work centers on microservices and messaging in the cloud, using Java/Kotlin with Spring Boot, SQL and MongoDB, Elasticsearch indexing, Kafka/RabbitMQ, and AWS.