45,777 Mid-Level jobs
Mid-level engineering roles for developers with a few years of experience.
Senior Fachplaner Elektrotechnik (w/m/d) Starkstrom
Komplexe Gebäude und High-Speed-Projekte stellen höchste Anforderungen an die elektrotechnische Infrastruktur. Bei Drees & Sommer entwickeln wir dafür innovative und zukunftsfähige Planungslösungen. Sie begeistern sich…
Zerspanungsmechaniker (m/w/d)
Deine Rolle Als Zerspanungsmechaniker (m/w/d), in einem auf ein Jahr befristeten Arbeitsverhältnis, bist du ein wichtiger Bestandteil unserer Fertigung und verantwortlich für die präzise Herstellung mechanischer…
Business Analyst
Consulting business analyst role in Niort: gathering and challenging business needs, running workshops, writing functional/technical specifications, and piloting acceptance testing through to production. Requires an IT degree and 4+ years of experience in banking, insurance, or mutual insurance.
Maschinenbediener (m/w/d)
Deine Rolle Als Maschinenbediener (m/w/d), in einem auf ein Jahr befristeten Arbeitsverhältnis, übernimmst du eine zentrale Rolle in unserem Fertigungsprozess. Du sorgst für den sicheren, effizienten und störungsfreien…
Software Engineer II, Marketplace Optimization
Software Engineer II on Upstart's Marketplace Optimization team, building scalable backend and distributed systems for real-time marketplace decisioning, borrower-investor matching, offer selection, experimentation, and monetization at an AI-driven lending marketplace. Expected stack experience includes modern backend languages such as Ruby, Python, or Kotlin.
Konstruktionsmechaniker (m/w/d)
Deine Rolle Als Konstruktionsmechaniker (m/w/d), in einem auf ein Jahr befristeten Arbeitsverhältnis, bist du ein wichtiger Teil unserer Produktion und trägst maßgeblich zur Fertigungsqualität sowie zu einem…
Verkaufsmitarbeiter/in mit Führungsverantwortung (w/m/d) 24-38,5 Std./Woche
Deine Aufgaben du bist Teil des Führungsteams: bei Abwesenheit der Filialleitung und deren Stellvertretung leitest du schichtweise eigenständig die Filiale Ansprechpartner/in (w/m/d): du koordinierst die Filialaufgaben…
Data Engineer
Data Engineer building a data catalogue: designing the catalogue data model and pipelines to ingest, transform, and enrich metadata from internal sources, integrating with data quality, search, and ontology services using Python and SQL. Hybrid work in Kraków on a B2B contract.
Python Backend Engineer
Build Python back-end services and REST APIs for a metadata/knowledge platform: source registration, integrations with external APIs, metadata modeling, persistence, and observability. Needs ~4 years of backend experience, strong Python, SQL/NoSQL (incl. graph DBs), cloud and CI/CD. B2B contract, hybrid work in Kraków.
Power BI Developer (Qlik)
A B2B contractor role (via recruitment firm HRO Digital/Verita HR) building and maintaining Qlik Sense dashboards and BI reports for business units at a financial-services client in Kraków. Core tech: Qlik Sense/QlikView, SQL and data modeling, plus ETL tools, cloud platforms, and optionally Python/R.
Koordinator načrtovalcev materiala in proizvodnje
koordinacija skupine planerjev, sodelovanje z vodjo logističnega tima in usklajevanje dela znotraj oddelka, sodelovanje pri pripravi poročil, podpora pri sistemskih projektih (PPT, P13, AddOne), zagotovitev preskrbe z…
GCP Cloud DevOps Engineer
Builds and maintains a GCP cloud platform for application deployments using Infrastructure as Code (Terraform), CI/CD, cloud networking and security (IAM, VPC, monitoring), while supporting application teams and sharing 24/7 on-call. Hybrid role in Kraków on a B2B contract.
Data & Reporting Senior Developer
Senior data developer at Verita HR (a recruitment firm) delivering end-to-end data and reporting projects: building KPIs and data models from multiple sources, matching datasets, and complex reporting in Google Cloud/BigQuery or Microsoft SQL Server using SQL/T-SQL and Python. Hybrid work from Kraków on a B2B contract.
Java Backend Engineer
Java Backend Engineer (Kraków, hybrid, B2B) building back-end services and REST APIs for source registration, metadata management and a Knowledge Platform — including external API integrations, SQL/NoSQL persistence, observability and CI/CD. Pay is 28.4k–31.5k PLN net/month.
Senior Data Engineer
Recruited via Verita HR for a fintech/banking client: a Senior Data Engineer in Kraków (hybrid) who designs and runs end-to-end data pipelines and builds SQL, graph/knowledge-graph and NoSQL data models. Requires ~5 years' experience with Python, SQL and CI/CD; B2B contract pays 28.4–30.5k PLN net/month.
Water/Wastewater Project Engineer (Mid-Level)
Hazen and Sawyer is seeking a Water/Wastewater Project Engineer for our Memphis office. As part of our design and process teams, you will work on water and wastewater projects, including drinking water/wastewater/reuse…