6,444 HR Tech jobs
Open tech roles at companies in HR and recruiting technology.
German-Speaking Talent with an Interest in Generative AI
Cross Border Talents is hiring a German-speaking customer service professional in Lisbon for an on-site Social Media LLM project doing AI data annotation and evaluation on rotational 24/7 shifts. Requires native-level German, B2 English, and prior AI annotation experience; relocation support is not available.
Data Scientist
Deploja AB, a Swedish IT staffing firm, is hiring a Data Scientist for a 100% client assignment in Stockholm/Solna running Nov 2026–Jun 2027. Day to day: building and deploying ML and LLM-based applications in the cloud (ideally GCP), using MLOps/CI-CD, SQL, vector databases, embeddings, and prompt engineering.
g2 Recruitment Solutions - Cloud Engineer
Freelance Cloud Engineer roles (2 positions) on a long-term 3+ year project in Ghent, Belgium, supporting the client's data and AI scope. Day-to-day work is building and operating Azure cloud infrastructure with Kubernetes, Linux, and Terraform; hybrid setup with 2 onsite days per week in Ghent, the rest remote.
IoT Engineer (Data Science)
Designs, builds, and maintains IoT systems end to end: selecting hardware, integrating sensors and edge devices, and developing data pipelines for collection and secure transmission. Core stack includes Python, Raspberry Pi/Arduino/ESP32, MQTT and TCP/IP protocols, and Linux, with light SQL and C/C++.
Full stack web developer
Junior full-stack developer (3-4+ yrs) at Italian staffing firm NTWK in Turin, hybrid. Day to day: reverse-engineering and extending a legacy proprietary PHP core, analyzing backend calls, writing optimized SQL against MySQL/PostgreSQL, building RESTful APIs and app integrations.
Full Stack Senior Developer TypeScript / JavaScript
Senior full-stack developer on a B2B contract supporting the IT team of IntRec's client (a gastronomy-equipment consultancy), working mobile or on-site in Katowice. Day to day: building and maintaining applications, integrating systems, and ensuring code quality with TypeScript/JavaScript, VueJS, NodeJS, AWS, Docker, microservices and CI/CD.
Python Software Engineer (Test Systems)
Python engineer joining a partner company's R&D team (sourced via Everstar recruiting agency) to build backend test/reporting systems: Django/DRF and FastAPI services, PySide6/PyQt6 desktop tooling, and automated hardware testing over USB/UART/I2C/SCPI, integrated into CI/CD on on-prem/AWS/GCP. Office-based in Kyiv.
Founding ML Engineer – Engineering Assessment AI
Founding ML engineer (first ML hire) at a pre-seed AI startup in San Francisco that assesses engineers on real engineering tasks for deep-tech customers. You'll build RL environments, graders, reward signals, and LLM-as-a-judge evals from expert rubrics and real CAD/ECAD session recordings, packaging post-training datasets for frontier labs. On-site, 9-9-6.
Devops
DevOps role in Recoleta (Buenos Aires) for a technology consulting client via Randstad: automating CI/CD (Jenkins, GitHub), infrastructure as code (Ansible, Docker, Kubernetes), cloud IaaS/PaaS, and reporting/BigData (Splunk, PowerBI) within SAFe agile teams. Requires 4+ years of DevOps experience, a bachelor's degree, and proficient English.
Analista funcional SR
Senior functional analyst role placed by Randstad at a company in Buenos Aires (Parque Patricios area): gathering user needs, managing evolutionary/corrective requirements, prototyping solutions, and defining testing strategy. Core stack: SQL Server/Oracle, .NET and Java exposure, SCRUM and JIRA.
SysAdmin
Randstad Argentina is hiring a SysAdmin (Windows & Networks) in Rosario to implement and support Windows Server, MS SQL, IIS and Linux environments on AWS cloud — handling server backups, disaster recovery and application deployments while liaising with developers and help desk. Requires 2+ years in similar roles and advanced English.