Development Tooling Engineer - Build & Test

Join our innovative team at Adyen as a Development Tooling Engineer focused on Build & Test. In this pivotal role, you will enhance our development tools and optimize our testing processes, ensuring our engineering teams can deliver top-notch products efficiently. You will collaborate closely with developers and product managers to streamline workflows and i…

What will you do?In the Flight Test and Certification department, aircraft systems are regularly integrated into various platforms. To facilitate the integration of these systems, we utilize a range of ground support equipment and measurement devices. We keep track of important details such as location, calibration dates, and equipment loans in a dedicated database with a front-end application. The current version of this application, developed in the early 2000s, is in need of an update. Additionally, new stakeholders have emerged who require extra functionalities.During your internship, you will engage with stakeholders to gather their requirements for functionalities, create a system design, and implement it.OutcomeYou will deliver a revamped equipment database and front-end application that allows our engineers to monitor the status of our equipment effectively.

Join the Nebius RevolutionNebius is at the forefront of cloud computing, empowering the global AI economy. We provide innovative tools and resources that help our clients tackle real-world challenges and revolutionize industries, all while avoiding the hefty costs of traditional infrastructure and the necessity for extensive in-house AI/ML teams. Our team works with cutting-edge AI cloud infrastructure alongside some of the most talented and pioneering leaders and engineers in the field.Our Work EnvironmentBased in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D hubs throughout Europe, North America, and Israel. Our diverse workforce of over 1,400 includes more than 400 highly skilled engineers with extensive expertise in both hardware and software engineering, as well as a dedicated in-house AI R&D team.The OpportunityNebius is seeking a skilled Lead Developer for Data Center & IT Tools to enhance our Hardware Infrastructure team. You are invited to join us at our Amsterdam office.This team is responsible for designing, developing, and maintaining systems throughout the data center (DC) lifecycle, including:ITDC Terminal (a specialized task tracker for local DC staff)Test/Disposal WH stands (for functional testing and decommissioning)Logistics & Stocktage tools (for asset intake, inventory, movements, and dispatch)DC tools (for maintaining engineering and IT equipment within our DCs)Your role will involve guiding the architectural direction: shaping systems, defining the roadmap, coordinating with backend development teams, and engaging with stakeholders effectively. While hands-on work is welcomed, it is not mandatory.Key Responsibilities:Define architectural standards across the portfolio: designs, system boundaries, interfaces, and SLAs.Develop and maintain the systems roadmap by prioritizing features, assessing maturity, identifying risks, and setting success metrics.Lead the development teams in delivery: managing the backlog, coordinating releases, and making technical decisions.Enhance product practices: conducting discovery sessions, gathering requirements, managing RFC/ADR, facilitating design reviews, and ensuring thorough documentation.Collaborate with stakeholders including DC operations, logistics/warehouse, testing/repairs, security, and finance.Proactively initiate improvements across processes.

Senior Software Development Engineer in Test (SDET) — Enablement PlatformAbout SwapAt Swap, we are revolutionizing agentic commerce through our cutting-edge AI-native platform that seamlessly integrates backend operations with an innovative storefront experience. We empower brands to sell anything, anywhere by centralizing global operations and providing intelligent workflows. Our solutions encompass cross-border transactions, tax management, returns, demand planning, and our next-generation storefront capabilities, enabling merchants to operate with transparency and confidence.We are committed to fostering a collaborative culture that prioritizes clarity, creativity, and shared ownership as we redefine the landscape of global commerce.About the RoleWe are on the lookout for a Senior SDET to become a vital part of our Enablement Group, which lays the groundwork that supports all teams. This includes developing internal developer tools, core services, reusable UI components, CI/CD processes, operational enablement, access/security integrations, public APIs, and platform adapters, along with Apollo, our ingestion and event/webhook intake and distribution layer.In this role, you will set the quality standards for internal systems and champion their adherence across teams. You will define both functional and non-functional quality requirements, translate these into measurable standards, and ensure that internal services comply through reviews, validations, and operational signals.ResponsibilitiesLead the establishment of quality standards for internal systems, focusing on aspects such as reliability, performance, scalability, security, availability, observability, data accuracy, and operability.Collaborate with engineering teams to translate standards into service-level requirements and clear acceptance criteria for platform capabilities and internal services.Manage the compliance process: determine how compliance is assessed, provide evidence (tests, checks, dashboards), and drive corrective actions when discrepancies are identified.Conduct structured quality reviews for internal services, including design reviews, readiness assessments, release criteria evaluations, and post-incident follow-ups that refine standards and checks.Define and uphold quality gates in CI/CD processes that enforce standards while maintaining team efficiency (contract checks, smoke/regression, and security checks where applicable).Establish API quality benchmarks for public APIs and platform adapters, including contracts, backward compatibility, and versioning.

JetBrains is seeking an AI Lead focused on Python tools. This position centers on advancing AI technologies across the company’s product suite, with the goal of improving both user experience and product capabilities. Role overview The AI Lead will guide the development and integration of AI features into JetBrains products. The role involves direct oversight of AI project initiatives and regular collaboration with teams from various disciplines. Expect to play a key part in shaping technical direction and ensuring that Python-powered solutions continue to set a high standard in the industry. What you will do Oversee AI-focused projects from conception through implementation Work closely with engineers, designers, and product managers to align AI features with product goals Drive innovation by applying Python expertise to create and refine AI solutions Locations This role is open to candidates based in Amsterdam, Belgrade, Berlin, Limassol, London, Madrid, Munich, Paphos, Prague, remote within Germany, Warsaw, and Yerevan.

As a QA Test Automation Engineer, you play a crucial role in enhancing software quality for our clients in Amsterdam and surrounding areas. You will be part of a dynamic team that prioritizes knowledge sharing, innovation, and personal development.Your Responsibilities:Test PreparationEstimate and develop new features within test automation frameworks.Identify which test cases to automate and assess the time required for implementation.Collaborate on efficient testing strategies.Provide insights into the maintainability of test systems.Test ExecutionMaintain and enhance existing frameworks.Support developers in creating unit tests.Design and conduct load and performance tests.Analyze and optimize test scripts.Integrate test automation into CI/CD pipelines.Reporting & ImprovementIdentify and report areas for improvement.Generate reports using BI tools.Share substantive progress with stakeholders.General DutiesYou serve as the connecting factor between the team, clients, and organization.You maintain existing client relationships and contribute to Resillion's visibility in the Dutch QA market.

At JetBrains, we are deeply passionate about code. Since our inception in 2000, we have been dedicated to creating the most powerful and effective developer tools available. By automating mundane tasks and ensuring precision in coding, we empower developers to innovate, explore, and create. The IntelliJ Platform serves as the backbone of JetBrains IDEs, fostering innovation and enabling millions of developers globally to reach their full potential. We are actively seeking a Senior Staff Software Developer to join our IntelliJ Platform team and contribute to the development of features and enhancements that transform productivity in software development.

Start Date: from September 2026Hours: 32 - 40 hours per weekContract: 1 year (with option for extension and permanent contract)Location: Clients throughout the country (focus on the Randstad)Salary: between €2,915 and €6,318 based on 40 hours. You will accelerate the sustainability and professionalism of building management in education and social real estate. Using data, standards, and pragmatic solutions, you will achieve lower CO₂ emissions, enhanced quality, and demonstrable compliance. We are a no-nonsense facility service provider in real estate and education. Our tightly-knit, horizontally organized team focuses on sharing knowledge, having fun, and improving together. We provide strategic, tactical, and operational advice and implementation. What You Will DoSustainable Policy & Roadmap: Develop sustainability strategies, circularity, and CO₂ reduction;MJOP & Asset Management: Draft and optimize (sustainable) MJOPs, NEN 2767 inspections, and condition management;Compliance & Safety: Advise/direct on NEN 3140, SCOPE, EBI, fire safety, and audits/quick scans;Tendering & Supplier Management: Develop specifications/work descriptions, selection, and performance management;Project Management: Oversee the realization of complex maintenance and installation projects. What You BringHBO work and thinking level;More than 5 years of relevant experience in management/maintenance and/or installation technology;Knowledge of NEN 2767, EP standards, asset management, and sustainability;Strong organizational, planning, and follow-up skills;

Start Date: To be determinedHours: 32 - 40 hours per weekContract Duration: 1 year (with possibility of extension and permanent contract)Location: Clients across the country (with a focus on the Randstad area)Salary: Between €2,915 and €7,429 based on a 40-hour work week. In this role, you will accelerate the sustainability and professionalization of building management within educational institutions and social real estate. Utilizing data, standards, and practical solutions, you will help achieve lower CO₂ emissions, enhanced quality, and demonstrable compliance.Key ResponsibilitiesDevelop sustainable policies & roadmaps, including sustainability strategies and CO₂ reduction initiatives;Create and optimize (sustainable) Maintenance Management Plans (MJOP), NEN 2767 inspections, and condition management;Advise and manage compliance with NEN 3140, SCOPE, EBI, fire safety regulations, and perform audits/quick scans;Oversee procurement and vendor management, including specifications, descriptions, selection, and performance management;Guide projects related to complex maintenance and installation technology. QualificationsHBO (Higher Professional Education) work and thinking level;Over 5 years of relevant experience in management/maintenance and/or installation technology;Knowledge of NEN 2767, EP standards, asset management, and sustainability practices;Strong organizational, planning, and follow-up skills;Excellent communication and collaboration abilities.

Start Date: To be discussedWorking Hours: 32 - 40 hours per weekContract Duration: 1 year (with potential for extension and permanent position)Work Location: Projects throughout the country (focus on the Randstad)Salary: between €2,915 and €7,429 based on a 40-hour workweek.Your role is to drive the sustainability and professionalization of building management in educational and public real estate. Using data, standards, and pragmatic solutions, you will enable reduced CO₂ emissions, enhanced quality, and demonstrable compliance.We are a straightforward facility service provider in real estate and education, operating within a close-knit, horizontally organized team that prioritizes knowledge sharing, enjoyment, and mutual growth. We provide strategic, tactical, and operational advice and implementation.What You Will DoDevelop sustainable policies and roadmaps, focusing on sustainability strategy, circularity, and CO₂ reduction;Prepare and optimize sustainable Multi-Year Maintenance Plans (MJOP), NEN 2767 inspections, and condition management;Advise and manage compliance and safety regarding NEN 3140, SCOPE, EBI, fire safety, and audits/quick scans;Oversee tenders and supplier management, including specifications/work descriptions, selection, and performance management;Guide projects to realize complex maintenance and installation technical projects.

At JetBrains, we are driven by our passion for coding. Since our inception in 2000, we have been dedicated to developing the most powerful and effective tools for developers worldwide. Our innovative solutions automate routine checks and corrections, accelerating the production process and empowering developers to innovate and create.Currently, we are in the process of building advanced services and intelligent tools designed to provide both AI coding agents and end users with profound insights into codebases. Our existing code retrieval service has already demonstrated significant enhancements in agent performance and task execution. We are eager to advance this further by extracting more comprehensive insights beyond mere snippets, across numerous repositories.We seek a talented AI Engineer to design and implement intelligent tools from the ground up, ensuring that coding with agents becomes smarter, quicker, and more dependable.

Join JetBrains, a leader in developing tools that enhance the productivity and enjoyment of software development for programmers around the globe. We offer an impressive suite of .NET and game development tools, including ReSharper (a powerful extension for Microsoft Visual Studio and VS Code-like editors), Rider (a versatile cross-platform IDE for .NET and game development), and a variety of profiling and code coverage tools such as dotCover, dotMemory, dotTrace, and dotPeek. Marketing this diverse range of products entails collaborating with large enterprises and small game development studios alike, promoting established solutions alongside innovative newcomers, and fostering the integration of our IDEs into developers' daily routines while also driving awareness for specialized profiling tools. Our content team is dedicated to producing a wealth of marketing, educational, and promotional materials. We collaborate closely with developer advocates, technical writers, and marketing specialists to create concise guides, tutorials, landing pages, printed materials, and various other assets. We are seeking a passionate, creative individual with exceptional writing, video production, and public speaking abilities to join our marketing team and contribute to our content creation efforts.

P-1319 At Databricks, we are driven by a passion for empowering data teams to tackle some of the world’s most challenging problems — from realizing the next mode of transportation to expediting groundbreaking medical advancements. We achieve this by developing and maintaining the premier data and AI infrastructure platform, enabling our clients to harness deep data insights to enhance their operations. Founded by engineers who prioritize customer needs, we embrace every opportunity to address technical challenges, whether that involves crafting next-generation UI/UX for data interaction or scaling our services across millions of virtual machines. And this is just the beginning. Our Developer Experience team is committed to ensuring Databricks engineers are both satisfied and exceptionally productive. We create the tools, processes, and infrastructure that significantly enhance engineering velocity as Databricks continues to grow. The ideal candidate will possess a blend of technical proficiency in various language toolchains (Scala, Rust, Python), build systems (particularly Bazel), compilers, version control systems, testing, and most importantly, a passion for improving developer experiences, complemented by a practical approach to delivering results incrementally.

Role overview This position at Adyen blends Java engineering and Salesforce development. The focus is on building and enhancing the payment processing platform, ensuring both stability and new capabilities for internal teams and customers. Day-to-day work includes designing, coding, and maintaining features that connect Java systems with Salesforce. Collaboration with colleagues across product and engineering teams is central to delivering solutions that support business needs. Key responsibilities Develop and maintain features for the payment processing platform using Java and Salesforce technologies Work closely with teams to deliver solutions that improve internal processes and customer experience Contribute to both backend engineering and Salesforce customization Location This role is based in Amsterdam.

At JetBrains, we are passionate about coding. Since our inception in 2000, we've dedicated ourselves to crafting the most powerful and effective developer tools available. By automating routine checks and corrections, our tools enhance productivity, empowering developers to innovate and create. The IntelliJ Platform serves as the backbone of JetBrains IDEs, fostering innovation and enabling millions of developers across the globe to realize their full potential. We are currently seeking a Technical Lead to join our IntelliJ Platform team, helping us introduce features and enhancements that redefine productivity in software development.

At JetBrains, we are passionate about code. Since our inception in 2000, we have dedicated ourselves to developing the strongest and most effective developer tools available. Our innovative solutions automate routine checks and corrections, accelerating production and empowering developers to innovate, explore, and create.About the InitiativeJetBrains is transforming from standalone developer tools to a unified, AI-native platform for software development.AI is evolving from a mere assistant within the editor to an essential participant in software planning, building, reviewing, and operating across teams and organizations. This evolution presents new challenges that cannot be addressed by individual tools alone, including governance, security, cost management, observability, and cooperation between humans and autonomous agents.Our mission is to establish a platform that facilitates the adoption of AI in software development in a structured, scalable, and economically efficient manner, without confining companies to closed ecosystems.We are constructing a foundation that unifies developer workflows, team collaboration, and organizational oversight into a coherent system.This platform will act as the execution and governance layer for AI-driven development, tightly integrated with developer tools while designed for cross-team, product, and environmental compatibility.This initiative represents a long-term strategic investment for JetBrains and is a cornerstone of our vision for the future of software development. The RoleWe are seeking a Principal Engineer (JetBrains Cloud Platform, Developer Experience) to spearhead significant enhancements to the development experience across the JetBrains Cloud Platform (JCP).This position is pivotal in enhancing the productivity of JCP engineers through improvements to build systems, CI/CD pipelines, local development workflows, tooling infrastructure, and AI pipelines. You will oversee the developer experience from the local development, build, and testing stages to the transition of code through CI to production. Given the rapid growth of this platform, numerous workflows and processes are still in development. You will define what an exceptional development experience entails and guide the organization toward achieving it. As part of our team, you will:Develop and implement strategies for enhancing the developer experience across the entire JCP platform.Optimize build systems (such as Gradle and Nx) for improved speed, caching, and reliable reproducibility at scale.Establish AI development pipelines to facilitate innovation.

1GLOBAL builds mobile communications technology and delivers connectivity solutions for both enterprises and consumers. The company operates its own global mobile core network and eSIM platform, offering regulated telecom services in 40 countries. Over 70 million connections worldwide use 1GLOBAL’s platform, serving clients such as leading banks, digital-first companies, and major consumer brands. With headquarters in the Netherlands and R&D centers in Lisbon, Berlin, and São Paulo, 1GLOBAL employs nearly 500 people across 15 countries. Founded in 2022 by Hakan Koç and Pyrros Koussios, the company is on track to exceed US$200 million in revenue and US$25 million in profit by 2025. Recent growth includes wins with large enterprise and mass-market clients, fueling continued investment in technology and infrastructure. This Amsterdam-based team welcomes detail-oriented students interested in telecommunications, mobile technology, or quality assurance. The group supports testing for a global Mobile Virtual Network Enabler (MVNE) platform and offers hands-on experience in the field. Role overview The Part-Time Mobile Network Testing Intern role centers on supporting mobile network testing activities. This internship is designed for students seeking practical experience in telecom services and network quality assurance. What you will do Run daily functional tests on mobile devices, including calls, SMS, data, voicemail, call forwarding, call barring, and related services Follow structured test cases using physical smartphones and SIM/eSIM profiles Verify service configurations such as subscription controls and feature provisioning Assist with broader mobile network testing efforts as needed

SurveyMonkey is the leading platform for surveys and forms, designed specifically for businesses and cherished by users. Our platform blends robust features with user-friendly design, accommodating diverse needs from customer feedback to employee engagement, market analysis to payment and registration forms. With integrated research expertise and AI-driven technology, it’s akin to having a squad of expert researchers at your disposal.Trusted by millions, ranging from startups to Fortune 500 enterprises, SurveyMonkey empowers teams to gather insights and information that motivate informed decisions, foster experiences that users appreciate, and propel business development. Explore more at surveymonkey.com.What We SeekThe Quality Platform team is on the lookout for a Software Engineer who is enthusiastic about software quality and test automation. As a dedicated team, we provide the tools and infrastructure that empower our engineering teams to write, run, and report on tests. You will have the chance to troubleshoot test automation challenges alongside fellow engineers and create metric dashboards that provide insights into product quality.Your ResponsibilitiesDeveloping and maintaining automation frameworks.Creating tools to enhance testing processes.Designing and constructing dashboards for metric reporting.Assisting engineers in resolving test automation issues.Providing guidance to teams on testing strategies.Collaborating with a talented group of engineers to produce high-quality products.

Why Join Nebius?At Nebius, we are pioneering a transformative era in cloud computing tailored for the global AI economy. Our mission is to equip our clients with innovative tools and resources that address real-world challenges and revolutionize industries, all while minimizing infrastructure costs and eliminating the necessity for extensive in-house AI/ML teams. Our workforce operates at the forefront of AI cloud infrastructure, collaborating with some of the most skilled and visionary leaders and engineers in the industry.Our Work EnvironmentHeadquartered in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D hubs located throughout Europe, North America, and Israel. Our diverse team of over 1,400 professionals includes more than 400 expert engineers specializing in both hardware and software engineering, complemented by a dedicated in-house AI R&D team.About the RoleWe are in search of a dedicated Hardware Quality Assurance Engineer with a focus on servers and server components. This role is critical in ensuring quality, performance, reliability, and compatibility for modern server platforms. You will collaborate closely with hardware, firmware, system, services, and application teams to validate server architectures and components throughout the entire product lifecycle, from early prototypes to production deployment.Key ResponsibilitiesSystem & Component Validation• Validate the complete server system architecture, including compute, memory, storage, networking, and accelerators.• Test and confirm interactions between server components: CPU, DRAM, NVMe devices, Network Interface Cards (NICs), GPUs/accelerators.• Conduct individual component testing to ensure performance, stability, and reliability before and after system integration.• Perform system-level validation under various configurations, workloads, and use cases.• Assess benchmark results against technical specifications, business and application requirements, historical baselines, and prior generations.• Identify performance regressions, instability, and reliability issues under sustained load and stress conditions.• Ensure that hardware components and firmware align with business needs, performance objectives, and specifications.Firmware, BIOS & BMC Validation• Test and validate firmware for BMC/BIOS/FPGA.• Validate BMC functionality including IPMI/Redfish, sensors, power management, thermal management, and logging.• Conduct firmware upgrade, downgrade, and regression testing.• Evaluate firmware impact on performance, stability, and reliability across various hardware configurations.

airapps is hiring a Quality Assurance Engineer in Amsterdam. This position centers on maintaining strong quality standards for software products through careful testing and close collaboration with development teams. Role overview The Quality Assurance Engineer will focus on testing software to catch issues early and help improve product performance. Working alongside developers, the role involves identifying problems and supporting efforts to enhance user experience. What you will do Test software products to ensure they meet quality expectations Work with development teams to find and resolve issues Support improvements that lead to better user experiences Location This role is based in Amsterdam.