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Senior Data Scientist, Growth Alliance (f/m/x)
Senior Data Scientist on HelloFresh's Growth Alliance in Warsaw, building and shipping statistical and ML models for marketing measurement, channel and funnel optimization, and customer messaging. Works with Python, SQL and cloud tooling (Databricks/Spark, AWS) to take models from data pipelines into production.
Senior Data Scientist, Growth (f/m/x)
Senior Data Scientist on HelloFresh's Growth Alliance in Berlin, building and shipping statistical and ML models that drive marketing budget allocation, conversion-funnel optimization, and customer messaging decisions. Core stack: Python scientific stack and SQL, with Git/Docker/AWS engineering practices and optional Databricks/Spark.
UI Developer
UI Developer at SAP building the CX One OMS — the unified React/TypeScript back-office UI for Order Management Services. Day to day: turning Figma designs into accessible enterprise UI, wiring REST APIs, writing unit/E2E tests, contributing to CI/CD, and applying AI-assisted development (LLM/RAG) workflows.
Front End Developer Mobile
Frontend mobile developer at IT services firm Stefanini, building and optimizing high-performance hybrid apps in React Native for iOS and Android: integrate REST/GraphQL APIs with UX/UI and backend teams, publish to App Store/Google Play, and manage work in JIRA/Git. Stack includes React Native, TypeScript, Redux/MobX, Expo, Jest, SonarQube.
QA Funcional/Automatizador
Hybrid QA functional/automation role in Santiago, Chile at IT services firm Stefanini, working to client quality standards in the banking sector. Day to day: planning, designing and executing functional, regression and performance tests using Selenium/UFT/Appium/Karate, JMeter, Postman/SoapUI, Jenkins CI and BDD with Cucumber/Gherkin.
Front End Developer
Front End Developer at Stefanini in Santiago, Chile, building and maintaining scalable user interfaces with Angular 7–11 or Vue.js, consuming REST/SOAP APIs, and writing unit tests, while collaborating with UX/UI designers in agile (Scrum/Kanban) teams and managing work in JIRA.
Technical Writer & Instructional Designer
A remote 6-month contract role owning end-to-end technical learning content: designing hands-on LLM/API/vector-database workshops, curriculum, and API/SDK documentation for developer audiences. Requires 3+ years in technical writing or instructional design plus working knowledge of Python/TypeScript and AI developer tools.
Lead AI Engineer
About the Role Join an early-stage product engineering team building enterprise contract intelligence software in the legal technology sector. You will help develop a customer-facing AI product and shape its technical…
Data Scientist, Project Success and Innovation
Data scientist split between AIR's Innovation Lab (building shared analytic tools and prototyping ML/LLM applications) and quantitative research on education, health, and social policy studies. Day to day: causal and predictive analyses, reproducible R/Python pipelines, code review, and documentation.
Freelance Web Graphic Designer
Freelance graphic production artist at WPP Production in Buenos Aires: updates product imagery and UI elements in Photoshop comps, structures files with slices and smart objects, outputs web graphics, and checks assets into version control. Requires Photoshop expertise, HTML/CSS knowledge, and Sketch/Git familiarity.
Data Engineer (H/F)
Data engineer for a major banking-sector client, designing and running the full data lifecycle — ingestion, transformation, optimization and serving of large data volumes across mixed on-premise/cloud infrastructure (Data Lake, Warehouse, Datamarts). Agile team, 4-5+ years' experience, Spark/Hadoop/Kafka; based in Guyancourt with 2 remote days/week.
Senior Corporate Security Engineer
Senior engineer on GitLab's Corporate Security Engineering team, securing the internal endpoint fleet (macOS-first, plus iOS/Windows/Linux) and SaaS platforms in an all-remote company. Day-to-day is endpoint hardening, automation, and detection built with code — Terraform, GitOps, and IaC pipelines.
Senior Data Scientist (Active TS/SCI Clearance)
Senior Data Scientist builds and deploys AI models for national security using Python, TensorFlow, and PyTorch, with a focus on image, video, and geospatial data in hybrid roles.
Senior Software Engineer (Active TS/SCI Clearance)
Senior Software Engineer builds and maintains AI-driven systems for national security using Go, Python, and cloud-neutral architectures, deploying models in hybrid roles with hybrid work and customer site visits.
QA Tester
Mid-level (4-6 yrs) QA Tester for an Enterprise SaaS development team in Chennai or Pune: designs and runs manual and automated functional, regression, integration and API tests, tracks defects, and supports CI/CD/DevOps processes. Core stack is Python, Git/GitHub, test automation and API testing tools; Cursor IDE experience is a plus.
Power BI Developer
Version 1 seeks a Power BI Developer in Dublin to build enterprise-scale Power BI dashboards and Microsoft Fabric solutions (Lakehouse, Data Warehouse, Semantic Models), develop advanced DAX and SQL-backed data models, and support migration from legacy Oracle BI platforms while working with stakeholders and data teams.
Full Stack Team Lead
Lead a full-stack team at Jeen AI building enterprise generative AI products (AI agents, automations, voice analytics). Day to day: develop web apps with React, Next.js, Node.js, and NestJS, integrate generative AI, design PostgreSQL/Redis schemas, mentor engineers, and drive architecture, code standards, and refactoring.
Senior .NET Backend Engineer
Contractor role at a nearshore technology services firm: you lead and scale mission-critical .NET/C# backends, build RESTful APIs, own SQL database design and tuning, and modernize legacy code — collaborating directly with U.S. client teams, 100% remote from Latin America.