backend developer English-speaking jobs in Aarau

Manager Tax advises corporate clients on tax obligations, prepares and reviews tax returns, and contributes to projects like due diligence. Requires a Law or Economics degree and 4-6 years of tax experience.

Graduate role as SST Reporting Analyst developing understanding of Swiss Solvency Test reporting. Contribute to SST calculations, annual reports for FINMA, and financial analysis. Requires relevant degree and strong analytical skills.

Excavator Operator role in Neuchâtel. Responsibilities include precise excavator operation, equipment maintenance, and team coordination on construction sites. Requires relevant machinery training and proven construction experience.

Business Development Agent role to generate warm introductions for IT outsourcing and nearshoring services. Identify and connect with decision-makers in local Financial Services and Consulting organizations. Requires established network access.

Support HR administration across the employee lifecycle, including work permit management and documentation. Manage data in SuccessFactors and SAP HCM. Requires 3-5 years of HR Operations experience and knowledge of Swiss labor law. Fluency in English and Italian is required.

Manage and optimize the distribution network for global clinical trials, overseeing 100k shipments and 50m CHF spend. Drive network strategy, SRM, and GxP compliance. Requires 10+ years in supply chain, with clinical distribution expertise.

Student Data Transmission Inspector role for an international Medtech company. Verify cardiac data accuracy daily, investigate system hurdles, and process sensitive medical data. Requires advanced English and diligence.

Experienced Front End Developer needed to build and support high-performance trading application UIs using React and vanilla JavaScript. Requires strong TypeScript and React knowledge. Experience with Redux, module federation, or micro front ends is beneficial.

Red Global seeks two freelance Observability Engineers in the EU for a 3+ month contract. Roles involve building an Enterprise Agent Development Platform, requiring expertise in OpenTelemetry, AWS CloudWatch, and X-Ray integration.

Drive sales and client relations for AFRY's hydropower business. Analyze target markets, develop sales strategies, coordinate proposals, and finalize contracts. Requires an Engineering degree and experience selling professional services.

Senior Process Engineer needed for pharma, biotech, and chemical plant projects. Manage projects from conception to completion, performing process engineering studies and design. Requires 5+ years of experience and fluency in German.

Senior Legal & Integrity Counsel responsible for global Integrity procedures, legal advice, contract support, and dispute management. This role involves embedding values into the compliance framework and serving as a Board committee secretary.

Digital Growth Manager to drive business growth via experimentation and AI. You will test customer experiences across websites and media, analyze data, and deploy customer-facing AI features. Requires 3 years in digital marketing or analytics.

Own and improve local hosting services across Swiss locations, managing servers, virtualization, storage, and HPC. Act as the key interface between local and global IT teams, ensuring secure, reliable operations and driving infrastructure projects.

Internship in Chemistry available for 5-7 months, starting Feb-March 2027. Support research in Organic and Analytical Chemistry by performing lab activities and reporting results. Requires Bachelor's or Master's student in chemistry with fluent English.

Senior Business Manager - Risk and Compliance for a 12-month contract. This role drives strategic priorities, manages budgets, and coordinates projects to enhance Risk & Compliance effectiveness within a financial services group. Requires 5+ years in finance/consulting.

HR Financial & Payroll Expert needed to ensure accurate payroll, provide financial analysis, and manage workforce budgeting. Requires 7+ years in Swiss payroll/tax, SAP experience, and proficiency in English and French.

Research Software Engineer focusing on Distributed Systems and Artificial Life. Build large-scale simulations and manage distributed computing infrastructure for frontier machine learning research. Requires experience scaling systems and infrastructure optimization.

Manage integrated project schedules for major pharmaceutical CAPEX investments from design through start-up. Develop baselines, track progress, perform critical path analysis, and report status to stakeholders. Requires 5-10 years of large CAPEX planning experience.

QC Specialist responsible for microbiological quality control of bioindicators and laboratory environment. Requires a background in microbiology; GMP experience is ideal. Duties include executing microbiological controls and managing documentation.