Tech jobs
Job listings
Freelance Backend Java Developer (21 - Spring Boot)
Freelance Java backend developer for an end client in the Netherlands: building and maintaining backend software with Java 21 and Spring Boot, designing features, testing, writing documentation, and doing code reviews, while coaching junior developers on a 1+ year project. Max rate of €80.
Senior Data Engineer - MS SQL & SSIS ETL Expert
Singapore-based senior Data Engineer designing and maintaining SQL Server databases and ETL pipelines built with SSIS. Day to day involves optimizing queries, integrating data across multiple systems, and ensuring data quality for migration and reporting initiatives.
Data Engineer – 12 months contract
12-month contract Data Engineer role in Singapore, placed by recruiter Ethos BeathChapman for a global fintech client. Day to day involves building and supporting large-scale data pipelines with Spark, Kafka, Hive, and Airflow on Cloudera Data Platform; requires 5–8 years' experience and immediate availability without sponsorship.
Full stack .NET Developer
Full-stack .NET developer on a 1-year contract in Singapore, enhancing and supporting a mission-critical grants management system (iGrants) for a leading research organisation — building enterprise apps with ASP.NET Core, C#, and SQL Server, front-ends in React or Angular, plus troubleshooting and performance tuning.
Senior Full-Stack Engineer — Cloud-Native Platform Lead
A senior consultant/engineer role in Singapore focused on defining technical architecture and leading delivery of legacy-system modernisation workstreams. Day to day: coordinating product owners, DevSecOps and agency stakeholders, mentoring teams, planning migration/cutover, and building secure cloud-native solutions on AWS with containerised workloads.
Java Full-Stack Engineer: Cloud, CI/CD & Mentoring
Manpower Staffing Services (Singapore) is hiring a Java Full Stack Developer to build and test a national public system on a cross-functional agile team. Day to day involves Java full-stack development with microservices, containerization, AWS, and database design, delivering features through CI/CD pipelines with testing, automation, QA collaboration, and mentoring.
Senior Java Developer
Senior backend engineer building and maintaining Java applications on the Spring stack — designing RESTful microservices, working with SQL/NoSQL databases, messaging (Kafka/RabbitMQ), and cloud deployment with Docker/Kubernetes, CI/CD, and test automation.
SAP O2C Architect
Remote SAP Order-to-Cash Solution Architect role: design enterprise-level O2C solutions on SAP S/4HANA (SD), covering the full order→delivery→billing→accounting lifecycle and integrations with FI/CO, MM, EWM and TM. Requires 15+ years of SAP experience and advanced conversational English.
Site Reliability Engineer - barcelona
Runs and evolves ADP's SAP platform behind GlobalView multinational payroll/HR services: SAP Basis administration across on-prem and RISE/S4HANA, performance tuning, critical incident response, HA/DR design, security hardening, and SAP ECS/RISE migration. Core stack: SAP Basis, HANA, Oracle/SQL Server, Linux, VMware, AWS, SAP BTP.
Senior AI Engineer - barcelona
Senior AI Engineer at ADP in Barcelona applies machine learning and Generative AI (LLMs, RAG, embeddings) to improve ADP's HCM products and internal processes, designing and deploying scalable ML solutions, data pipelines, and APIs on AWS, Databricks, and MLflow while mentoring teammates on the Spark team.
Site Reliability Engineer
ADP is hiring a Site Reliability Engineer in Barcelona to operate, optimize, and evolve the SAP platform (SAP Basis, S/4HANA on RISE) supporting its multinational payroll and HR business. The role mixes hands-on administration, performance tuning, incident leadership, disaster recovery, security hardening, and mentoring.
Senior AI Engineer
Senior AI Engineer at ADP in Barcelona (hybrid) applying machine learning and generative AI to the company's HCM products. Day to day involves designing, building, and deploying ML/LLM solutions (NLP, RAG, agentic workflows) and ML infrastructure using Python, AWS, Databricks, and MLflow, while mentoring teammates.
Senior AI Engineer - ADP - Automatic Data Processing
Senior AI Engineer at ADP in Barcelona applying machine learning and Generative AI (LLMs, RAG) to HCM products at scale. Day to day: designing and deploying ML solutions and data pipelines with Python and AWS tools like SageMaker and Lambda, plus mentoring teammates.
Site Reliability Engineer - ADP - Automatic Data Processing
Site Reliability Engineer at ADP in Barcelona operating and evolving the SAP platform that powers GlobalView multinational payroll and HR services. The role spans SAP Basis on-prem and RISE/S/4HANA, HA/DR design, performance tuning, incident response, and security across HANA, Oracle/SQL Server, Linux, and VMware.
Senior Mobile React Native Developer
A fully remote senior role migrating legacy native iOS/Android apps to React Native, building offline-first SQLite data layers, and managing App Store/Play Store deployments for a large digital-transformation client. Requires 5+ years of React Native plus native mobile skills (Swift/Objective-C or Kotlin/Java) and advanced English and Spanish.
Técnico/a de Informática
IT technician role developing and supporting AS400/IBM iSeries applications for an industrial-sector company in Viana do Castelo. Day-to-day work spans RPG/RPG-ILE, SQL Server/DB2, CLP, Java and C++, with troubleshooting, maintenance, and collaboration with an international team including Poland. Hired through Clan, a staffing platform.
Senior OT Network Engineer
On-site senior network engineer in Georgetown, KY who designs, deploys, and secures OT/plant-floor network infrastructure for a manufacturing environment — routing, switching, VLANs, firewalls, segmentation/IDMZ, wireless, and redundancy — while leading cutovers, escalation support, and mentoring of plant IT and operations teams.
Business Process & Integration Engineer
Business Process & Integration Engineer who gathers requirements, designs and deploys workflow automations, and builds enterprise integrations end-to-end for Sequoia Connect's client, a digital-transformation firm serving Fortune 500 companies. Core stack: Azure (Data Factory, Functions), Snowflake, Python, APIs/ETL, and SAP CPI. Fully remote.
PMO formation - F/H
PMO at Develop'Invest (Alixio Group) in Aix-en-Provence: oversees delivery of outsourced training services for client HR departments — defining processes, tracking contractual deliverables, running steering committees and internal projects. CDI role, 2 days/week remote, €28–30K fixed plus annual bonus.