218 English-speaking jobs in Delft

Business Development Manager to drive international growth of cybersecurity services. Identify, develop, and convert new business opportunities across multiple industries. Build relationships with customers, partners, and stakeholders. Manage the full commercial process, from lead generation to project handover.

Develop, implement, and execute test plans to validate the functionality and performance of SoCs integrating digital, analog, and RF components. Collaborate with design, firmware, and software teams to define test requirements and validation plans. Automate tests using Python/C scripts and digital test equipment. Debug and troubleshoot hardware, firmware, and digital interface issues. Document test procedures, validation results, and specifications.

Quality Engineer for Exact's payroll team focused on test automation and manual testing. Develop test designs, plans, and automation frameworks for web applications and APIs. Collaborate with teams to ensure high-quality deliverables.

Leads a team of technical professionals in the design, development, and delivery of complex software systems. Provides architectural guidance, ensures adherence to design standards, and leads performance and project management. Requires 7+ years of software engineering experience, 1+ year of team leadership, and proficiency in backend languages, SPAs, cloud architecture, and databases.

The Project Engineer supports the execution of large capital projects (€100M+) across the project development lifecycle. This role bridges engineering, project management, permitting, and external partners to ensure project deliverables are completed safely, efficiently, and within scope, schedule, and budget.

Senior Backend Developer will design, develop, and maintain core backend services using Node.js and TypeScript. Responsibilities include implementing CI/CD pipelines, participating in code reviews, and working with cloud environments. Requires 7+ years of experience in Node.js, strong JavaScript and TypeScript knowledge, and experience with Domain-Driven Design.

Quality Engineer to validate and strengthen integration and data platforms. Develop test designs/plans, perform functional and load testing, and contribute to automation framework design and maintenance.

Leads engineering teams supporting Finance/Treasury and Business performance data products. Experience with SAP-centric finance platforms, integrations, APIs, and data engineering is required. Modernizes complex finance systems, promoting CI/CD, automation, and quality controls.

Support engineer providing technical assistance to engineering teams and customers for simulation software packages. Analyze and document software defects, evaluate customer reports, and conduct technical trainings.

As Instrument Scientist SANS, you will be responsible for the optimal use of the Small Angle Neutron Scattering instrument at the TU Delft Reactor Institute. You will train and support users, advise on experimental design and data analysis, and contribute to instrument development.

Maintenance Engineer E&I develops and implements electrical maintenance plans for production areas, ensuring equipment integrity and continuity.

Senior Full Stack Developer will build and improve internal web applications, back-end services, and workflows. Responsibilities include developing user interfaces, connecting systems, and collaborating with teams to translate operational needs into software solutions.

Full-Stack Developer with 8+ years of experience building Shopify apps, backend services, and integrations. Expertise in TypeScript, Node.js, PostgreSQL, Redis, GraphQL, and REST APIs.

Electrical Engineer/Energy Consultant will design electrical systems for ports, terminals, and renewable energy projects. Responsibilities include conceptual and detailed design, consultancy, cost estimates, and guidance of design work. Requires a Bachelor's or Master's in Electrical Engineering and 5+ years of experience. Knowledge of MV and HV systems, substation design, and local/international standards is essential.

Seequent seeks a Cloud Architect to contribute to the strategic direction of its cloud-based product portfolio. This role focuses on modern cloud architecture, aligning implementations with architectural direction, and recommending best practices. The ideal candidate will have 5+ years of experience as an architect for a large-scale SaaS provider or cloud hyper-scaler and 5+ years as a software developer.

Field Engineer for subsea cable installation projects. Oversees installation, (de)mobilization, and maintenance of cable equipment. Requires technical expertise, communication skills, and adherence to safety protocols.

Optical Communications Systems Engineer to design, develop, and validate communication solutions for space applications. Requires 5+ years of experience in optical communication systems, familiarity with SDA and ESTOL, and expertise in wavefront errors, SNR, BER, and link budget analysis. Experience with optical design and simulation software is essential.

About Demcon Each one of our companies differentiates itself in its own domain with unique expertise and skills. This way they help customers improve their performance and achieve more. On the basis of their passion for technology our companies are able to combine forces. By sharing knowledge and working together we increase our social impact.

Fabricate, optimize, and develop nanofabrication processes for superconducting nanowire single-photon detectors. Execute standardized production runs and collaborate with cross-functional teams.

UX Designer will adapt a design system for AI prototyping, own components and guidelines, and identify system gaps.