Full-stack Engineer

• Continu verbeteren van onze huidige applicatie (Laravel, PHP en React TypeScript) en Cloud-architectuur (Azure, Kubernetes en Docker)
• (Pair) programmeren en code reviews uitvoeren met collega’s
• Ontwikkelen van nieuwe functionaliteiten en features
• Verdiepen in onze architectuur en meedenken over technische alternatieven of verbeteringen
• Actief bijdragen aan kennisdeling binnen het team

Software Engineer, Full Stack Developer

• Design, build, test, and maintain production software across the full stack.
• Develop backend systems and infrastructure using technologies such as Python (for signal processing and machine learning), Typescript/Node and Rust (for the backend), Bazel, and Terraform (for infrastructure as code).
• Build frontend applications using TypeScript/React.
• Help design and maintain the cloud infrastructure and deployment workflows supporting our AI platform.
• Bring AI models and data pipelines into reliable, scalable production environments.
• Build integrations with external systems, APIs, and healthcare platforms.
• Contribute to engineering quality, validation, and documentation processes required for production-grade medical software.
• Collaborate closely with AI engineers, clinicians, and product colleagues to bring new functionality into production.

Software Engineer

• Own and evolve OrderYOYO's payments capabilities — enabling KYC onboarding, deductions, settlement/payout timing, dispute flows, and merchant invoicing — while raising the bar on reliability, security, and engineering quality in one of our most business-critical domains.
• Design, build, and operate payment-domain services, including gateway integrations and payment intent/authorisation/capture/refund flows, payout orchestration, and reconciliation.
• Implement marketplace capabilities where relevant: onboarding/KYC integration, merchant configuration, settlement instructions, deductions, and invoicing/merchant-statement alignment.
• Build robust “flow-of-funds” primitives — idempotency, ledgers/events, and audit trails — that are fully supportable for finance and compliance.
• Integrate with PSP and partner tooling, with close attention to tri-party / sub-merchant implications where applicable.
• Implement dispute/chargeback and fraud-handling touchpoints across internal workflows and PSP tooling, and collaborate with Ops on runbooks and escalation paths.
• Partner closely with Product, Legal/Compliance, Finance, and Support to convert requirements into safe, testable production behaviour.
• Raise engineering quality in a high-change domain through automated testing, safe rollouts/canaries, observability, and incident-response improvements — and mentor engineers, lead design reviews, and contribute to shared standards and documentation.

Senior Software Engineer – Payments

• Lead the people, architecture, and delivery behind OrderYOYO's payments platform — enabling KYC onboarding, deductions, settlement/payout timing, dispute flows, and merchant invoicing.
• Grow a high-performing engineering team and raise the bar on reliability, security, and engineering quality.
• Own hiring and team-building for the payments engineering function.
• Run day-to-day people management: 1:1s, goal-setting, performance reviews, and career progression conversations.
• Build a team culture where payments knowledge is documented and shared.
• Set the technical direction and long-term architecture strategy for payment-domain services.
• Oversee marketplace capabilities and ensure robust “flow-of-funds” primitives across the team's systems.
• Partner closely with Product, Legal/Compliance, Finance, and Support to convert requirements into safe, testable production behaviour.

Lead Software Engineer – Payments

• Build and ship full product features across frontend, backend, APIs and databases.
• Create customer and internal workflows for onboarding, accounts, payments, rewards, travel, FX, support automation, KYC and risk.
• Turn ambiguous product problems into working systems with clean UX and reliable backend logic.
• Work closely with product, design, mobile, backend and AI engineers to launch fast and improve after release.
• Build internal tools and automation that reduce manual work and help teams operate at scale.
• Own your work beyond release: monitor, debug, learn and improve.

Full Stack Engineer

• Lead end-to-end upstream initiatives in Apache Cassandra
• Provide binding committer reviews on upstream patches and community contributions
• Co-own Apache Cassandra core release management
• Translate enterprise customer needs into credible upstream proposals
• Shape community direction through evidence-based participation
• Mentor engineers toward committer standing
• Improve upstream infrastructure to reduce project-wide maintenance burden

Senior Open Source Software Engineer – Apache Cassandra

• Craft clean, efficient, and scalable code
• Make a meaningful impact in the software escrow industry
• Collaborate with a dynamic team
• Shape the future of software escrow

Senior Full Stack Developer

• Building and improving modern web applications, backend services, APIs and data models
• Working across frontend, backend and infrastructure depending on the needs of the client project
• Helping clients choose suitable technologies, architecture and delivery approaches
• Contributing to cloud environments, CI/CD pipelines, deployments and production operations
• Debugging, testing, monitoring and improving production-grade systems
• Working on products or tooling related to customer-facing services, internal platforms, identity, martech, customer support, analytics, content, online stores, integrations, developer tooling or SDKs
• Collaborating directly with client tech teams, business stakeholders, designers, product people and other disciplines
• Clarifying ambiguous requirements and turning them into working software
• Taking responsibility for delivery while making sure the team is supported and no one is left behind
• Using modern development practices, including openness to AI-assisted development tools and workflows

Senior Fullstack Developer

• Write and debug complex VBA solutions in Microsoft Access and Excel.
• Contribute to the migration of Access based solutions to SQL Server.
• Use Python for the development of web solutions and scripting.
• Perform ETL (enhance, transform, load) on complex datasets.
• Use Power BI to provide visualization and insights.
• Liaise with other technical Teams in order to push new features / changes to production.
• Write and maintain technical documentation of the solution implemented.
• Account for secure coding practices, as well as logging and auditing features.

Software Developer

• Develop platforms, tools, pipeline extensions, and templates to enhance the developer experience for other development teams.
• Design and deploy solutions on cloud platforms (AWS/Azure).
• Develop and maintain front-end applications written in React.
• Implement continuous integration/continuous delivery (CI/CD) pipelines.
• Manage, monitor, and troubleshoot solutions (DevOps).
• Provide support and consultancy to other teams to enable them to use our solutions.

Full-Stack Engineer

• Design and develop scalable, high-performance backend services for pricing, including rate engines, discounting logic, and billing integrations
• Own the end-to-end software development lifecycle, including design, implementation, code reviews, testing, deployment, and ongoing monitoring of pricing systems
• Partner with Product Managers, Finance, Sales, and Data teams to translate complex pricing strategies and business requirements into robust, maintainable solutions
• Lead and influence architectural decisions while continuously strengthening the platform’s technical foundation
• Establish and uphold engineering best practices, including code quality, testing approaches, and performance standards
• Mentor and support mid-level and junior engineers, fostering growth and technical excellence within the team
• Troubleshoot and resolve production issues, conduct root cause analysis, and implement long-term preventive solutions
• Monitor system performance proactively, optimise query efficiency, and ensure pricing APIs consistently meet SLA targets
• Enhance CI/CD pipelines, deployment workflows, and infrastructure-as-code practices to improve development efficiency and reliability
• Work closely with stakeholders to ensure pricing systems remain compliant with relevant regulatory and business requirements

Senior Software Engineer

• As a Senior Software Engineer (AI & Orchestration), you will play a key role in turning innovative ideas into scalable, production-ready solutions.
• You will combine strong backend engineering expertise with architectural thinking, helping shape the technical foundations that enable AI capabilities across Keylane.
• Working closely with architects, software engineers, and AI specialists, you will investigate new technologies, validate architectural approaches, and develop prototypes that help shape technical direction across Keylane.
• You will be trusted to take ownership of complex technical challenges, translating open questions into practical recommendations and working solutions.
• You will design and build backend services that support AI capabilities and their integration into Keylane's core systems.
• This includes developing scalable APIs, integration services, and cloud-native applications using technologies such as Java, Spring Boot, Python, Azure, and modern development tooling.
• You will contribute to architectural discussions around distributed systems, event-driven integration patterns, security, observability, and platform engineering, helping ensure solutions are scalable, secure, and reliable in production.
• As a senior engineer, you will actively mentor colleagues, contribute to design discussions, and help raise engineering standards through code reviews, knowledge sharing, and technical leadership.

Senior Software Engineer – AI, Orchestration

• Als Software Engineer bouw je aan de slimme digitale klantreizen van morgen.
• Je ontwikkelt professionele softwareplatforms die onze klanten helpen hun complexe financiële processen te moderniseren en te vereenvoudigen.
• Bouw en verbeter softwareplatforms die aansluiten op de systemen en processen van klanten in de financiële sector.
• Ontwerp, schat in en werk technische opdrachten uit voor het ontwikkelteam.
• Voer technische oplossingen door met behulp van Kubernetes, microservices, distributed systems en Azure.
• Volg actief technologische ontwikkelingen en deel deze kennis met collega’s.
• Werk samen met de Product Owner om functionele en niet ‑ functionele requirements te definiëren en te bewaken.
• Werk binnen een multidisciplinair team volgens Agile ‑ en Scrum ‑ methodieken.
• Draag bij aan het ontwikkelen van digitale klantreizen door technische problemen op te lossen en verbeteringen voor te stellen.

Software Engineer – Financiële dienstverlening

• Lead architecture, design, and delivery of critical capabilities across Drake Tax Online
• Drive consistency and quality across services, APIs, user experiences, and shared platform components
• Partner with product, design, and business stakeholders to translate complex problems into scalable solutions
• Identify, evaluate, and apply emerging technologies including AI-assisted development tools
• Act as a technical lead for high-impact initiatives across multiple teams
• Provide technical leadership in ambiguous situations and mentor engineering leaders
• Raise the effectiveness of the broader engineering organization by identifying opportunities to simplify systems and improve workflows
• Demonstrate effective AI-assisted software engineering in practice
• Identify opportunities to use AI to improve engineering effectiveness across the software development lifecycle

Principal Software Engineer – AI-Augmented Development

• D1- Updated, maintained, and release-ready NIRIS software baseline aligned with supported Java LTS releases.
• D2- NIRIS unit and automated test updates.
• D3- NIRIS logging and troubleshooting improvements.
• D4- Updated NIRIS interface and interoperability support.
• D5- Updated NIRIS software documentation set.

• developing the tools, frameworks, and services that empower developers to create powerful solutions using Generative AI.
• your work will span everything from tooling and evaluations to building solutions for accessing Large Language Model (LLM) providers.
• you'll directly influence the quality of our GenAI offerings and, in turn, enhance the lives of our customers and developers.

Software Engineer – AI Tooling

• Provide technical leadership, define technical direction and set team standards and needs.
• Ensure operations adhere to agreed processes while identifying areas for improvement.
• Foster a collaborative environment with regular feedback and effective communication.
• Coach team members, identify skill gaps, and provide learning opportunities.
• Participate in performance reviews and provide constructive feedback on progress.
• Focus on root-cause analysis and develop technical solutions.
• Handle projects that are mechanical, alongside electronics, EMC and RF work.
• Drive several client-specific sub-projects as the main motor behind them.
• Check technical documents and guide the organization through technical adjustments.
• Identify and implement better ways of working, critical documentation, and workflows.

Lead Mechanical Product Engineer

• Design, implement, and maintain scalable backend services in a distributed system environment (99% backend work)
• Develop software solutions using C#, C++, and MS SQL/PostgreSQL
• Collaborate on UI development as needed to support service integration and functionality
• Build, deploy, and manage applications using AWS resources, with a focus on EC2 / ECS for compute environments, Lambdas for serverless processing, and SQS and SNS for messaging and event-driven architecture
• Participate in code reviews, design discussions, and cross-functional team meetings to ensure software quality and scalability
• Contribute to continuous improvement initiatives in coding standards, system reliability, and automation

Software Engineer II

• Write code in C# / .NET (the role requires substantial hands-on coding)
• Technically lead the Billing Squad: code review, mentoring, participating in hiring
• Communicate with VP and C-level stakeholders, transform business requirements into technical tasks
• Design and evolve microservices architecture using Docker
• Work with PostgreSQL, RabbitMQ (or equivalents)
• Apply architectural patterns: SOLID, TDD, DDD, Event Sourcing, CQRS
• Participate in developing the billing/payments/invoicing domain, ERP integrations

Team Lead Software Engineer – Billing Squad

• Build agents that investigate incidents. They surface anomalies, answer "why is production broken?", and use ClickStack as their substrate.
• Write skills, not just prompts. Build a library of reusable skills that captures how our team debugs, finds root causes, writes ClickHouse queries, and runs incident response, so agents pick up the right playbook instead of starting from scratch.
• Own the agent stack end-to-end. Context engineering, tool design, evals, tracing, cost. You're responsible for whether the agent works in production.
• Make ClickStack a great place to run AI workloads. Build the MCP servers, SDKs, and integrations that let customers' agents read telemetry, take action, and stay observable themselves.
• Work in the open. Collaborate with OSS contributors and customers, debug their problems alongside them, and feed what you learn back into the product.
• Tackle the hard parts. Latency, cost, context window limits, eval coverage, hallucinations on real telemetry.

Full-stack Engineer jobs in Netherlands

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Software Engineer, Full Stack Developer

Software Engineer

Senior Software Engineer – Payments

Lead Software Engineer – Payments

Full Stack Engineer

Senior Open Source Software Engineer – Apache Cassandra

Senior Full Stack Developer

Senior Fullstack Developer

Software Developer

Full-Stack Engineer

Senior Software Engineer

Senior Software Engineer – AI, Orchestration

Software Engineer – Financiële dienstverlening

Principal Software Engineer – AI-Augmented Development

Software Developer

Software Engineer – AI Tooling

Lead Mechanical Product Engineer

Software Engineer II

Team Lead Software Engineer – Billing Squad

AI Product Engineer