backend ruby developer

**Java Full Stack Developer (Defensie & Veiligheid)** Krijg jij energie van complexe technische puzzels en wil je werken aan software die bijdraagt aan veiligheid, defensie en vertrouwen? Bij NCIM bouw je aan command & control-systemen, forensische applicaties of geavanceerde satellietcommunicatie! Bij de NCIM Groep zijn we op zoek naar een ervaren Java...

We are Last Mile Solutions With over 360,000 charging stations and 1.9 million charging cards across 22 countries, Last Mile Solutions is Europe's largest independent e-mobility platform. The scale behind these numbers results in massive real-time data flows and high-volume transaction processing. Our mission is simplifying the energy transition and creating...

We are Iamb&b and we’re enabling all homeowners to rent out their home while they’re on a holiday and earn money from their hammock. We’re currently looking for a senior software developer to join our small team of two. Job Description Your job will be working shoulder to shoulder with the CTO and Lead Engineer spec'ing out, road mapping and...

Are you looking to bridge the gap between complex business requirements and physical automation? We are seeking a Software Solution Architect to design and specify our WMS/WES/WCS solutions, acting as the key interface between customers and development teams. If you are passionate about seeing your code move physical machinery and thrive in a dynamic project...

Weet jij als geen ander hoe je slimme web-based oplossingen ontwerpt voor complexe problemen? En krijg jij energie van het werken in een hecht team? Dan ga je jezelf bij ons helemaal thuis voelen.Zorg ervoor dat al uw sollicitatiegegevens up-to-date en in orde zijn voordat u op deze vacature solliciteert.Jouw rolAls Medior Software Engineer ga je aan de slag...

Wil jij meewerken aan projecten waarin techniek, UX en content écht samenkomen? Join ons Digital Experience team binnen Macaw!Bij Digital Experience werken we aan uitdagende en schaalbare digitale platformen voor mooie klanten. Binnen ons team krijg je de ruimte om zelf initiatief te nemen, anderen technisch verder te helpen én impact te maken op hoe we...

We are seeking a Python Developer with strong expertise in FastAPI to join an exciting Reinforcement Learning (RL) Gym project. You will design, build, and optimize scalable APIs, collaborate with researchers and engineers, and deliver high‑quality backend services to support reinforcement learning experiments and simulations. Prior RL Gym experience is...

By the time an issue reaches you, it has already passed through earlier support levels. You become the technical owner and stay involved until there is a clear resolution. That requires deep troubleshooting skills, but also the ability to communicate with customers who may already be frustrated by the situation. Take ownership of complex Tier 3 customer...

**Introduction** - 36 hours per week - Start date: 01 October 2026 - End date: 01 October 2027 - Extension is possible - ZZP is allowed - Hybrid working - Candidates have to live in the Netherlands **Job description** We are looking for a Front-End Developer to work on our Investments applications in the Wealth Management domain. Do you want to help shape...

**3 reasons you should join our team as a Medior Developer:** - You will work on systems that matter. You’ll help build and maintain a platform that simply cannot go down. Every day, millions of users rely on our systems to send and receive money safely. - You will go deep on backend engineering. From improving microservices to optimizing performance,...

Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure.Bent u de juiste kandidaat voor deze functie? Zorg...

3 days ago Be among the first 25 applicants believes travel is the one thing that opens minds to new ideas, cultures, and ways of thinking. Our mission is to get every traveler the best accommodation deal, worldwide. From adventure travel and backpacking to honeymoons and family vacations, we genuinely care so that every traveler can make the best-informed...

By the time an issue reaches you, it has already passed through earlier support levels. You become the technical owner and stay involved until there is a clear resolution. That requires deep troubleshooting skills, but also the ability to communicate with customers who may already be frustrated by the situation. Take ownership of complex Tier 3 customer...

Over 2 million food & beverage (F&B) businesses operate in the EU. 60% face failure within their first year 80% in five years. SOUS is here to change that. We’re building a platform that empowers independent F&B creators to thrive - unlocking new revenue streams, cutting costs, and scaling online growth with ease. From e-commerce to delivery management to...

Fidamy Amsterdam, North Holland, NetherlandsZorg ervoor dat al uw sollicitatiegegevens up-to-date en in orde zijn voordat u op deze vacature solliciteert.Senior Software EngineerFidamy is an embedded insurance operator. We embed innovative non-life insurance products into our partners' digital and physical customer journeys, helping them generate additional...

Forward Deployed Engineer Laat je carrière brullen als Forward Deployed Engineer bij Lionsville Als problemen nog vaag zijn word jij nieuwsgierig. Je stapt in het onbekende en gebruikt je ervaringen uit je engineering achtergrond om de vraag concreet te krijgen met de klant en iteratief te zoeken naar mogelijke oplossingen. Als Forward Deployed Engineer...

Leidos Inc. is looking for a Senior DevOps Engineer to join our project team located in The Hague, Netherlands supporting NATO’s independent Programme Office for enhanced Air Command and Control (eAirC2). The selected candidate will serve as the senior technical authority for the Model Based Systems Engineering (MBSE) tool suite used by the independent...

**Front-End Developer (Vue.js + Typescript)** As a preferred supplier to one of our biggest **Financial** **Client** , I am seeking for a **Front-End Developer (Vue.js + Typescript)** for a position in **Amsterdam, Netherlands** . As a Front-End Developer, you play a key role in developing and maintaining the web-based investment and trading tools used by...

DescriptionAs a QA Engineer, you are responsible for helping engineering teams deliver high-quality software by combining hands-on testing, risk-based quality assurance, and test automation. A key part of the role is expanding and maintaining automated test coverage for business-critical functionality, embedding quality controls into delivery pipelines, and...

About SentrySoftware runs the world and the pace is faster than ever. Sentry helps developers fix errors and performance issues before users notice, so teams can spend less time firefighting and more time building.Trusted by 200,000+ organizations, Sentry is today’s application monitoring standard and our team is building its AI-native future.About the...