Senior Full-Stack Engineer - Automation & Integrations in Capelle a/d IJssel, Nederland

Senior Full-Stack EngineerAbout the RoleWe are looking for a Senior Full-Stack Engineer to take ownership of our email and LinkedIn automation platform and workflow builder. This role combines backend development, frontend engineering, infrastructure, and deep technical ownership of a key product https://jobeax.com/link/2g1GzjMU3sGAoBB0 will work hands-on on production systems, maintaining and extending our automation platform, supporting integrations, and improving deliverability and reliability. You will also contribute to architectural, security, and infrastructure decisions, and take responsibility for the technical health of this part of the product.We’re looking for a product-minded engineer who cares deeply about reliability and user experience. You are a strong problem solver who can operate autonomously and take ownership of your work. You’re comfortable wearing multiple hats — from developer to infrastructure owner to technical support lead — and you communicate clearly while collaborating effectively with engineering, product, and customer success https://jobeax.com/link/DsWy1aheh2B4XnIt You’ll DoIn this role, you will design, develop, and maintain RESTful APIs using PHP with the Slim Framework. You will implement the core business logic behind automation workflows, data processing, and system orchestration. You will be responsible for maintaining PostgreSQL databases, including per-customer schemas, migrations, and performance https://jobeax.com/link/YAGzAdsx5163TUlA the frontend, you will build and maintain React components for the workflow builder and automation interfaces. You will manage application state and real-time updates using WebSockets, and work closely with product and UX to improve usability and https://jobeax.com/link/DPT8MUVXvbblI5cq will also take ownership of infrastructure and operations. This includes configuring and maintaining AWS services such as ECS (Fargate), Elastic Load Balancers, CloudWatch, Secrets Manager, and related networking and security services. Monitoring system health, performance, and error handling is a core part of the https://jobeax.com/link/NmuIIaUCx9AnB9zt the core platform, you will develop and maintain https://jobeax.com/link/JSd7UYCSg572jJDY services used for background jobs and integrations. You will handle third-line technical support escalations together with Customer Success, perform root-cause analysis, and implement long-term fixes. You will contribute to security best practices, compliance and data protection requirements, and the technical preparation for CASA certification and similar standards.Domain-Specific ResponsibilitiesA significant part of the role focuses on systems related to email and LinkedIn automation. This includes working with email automation using SMTP and IMAP, improving deliverability and sending reputation, maintaining LinkedIn automation and integrations, and building and supporting multi-step outbound https://jobeax.com/link/INsJOvbWZUnhOf7E will work with browser automation tools, including existing Puppeteer workflows that are being phased out, and integrations with third-party automation providers. You will also maintain and extend a Chrome extension written in JavaScript and TypeScript that supports browser-based automation https://jobeax.com/link/kYFF598m89VUO4GD are youYou have a strong experience with: PHP (Slim Framework), https://jobeax.com/link/JSd7UYCSg572jJDY, React, PostgreSQL, AWS production infrastructureA solid understanding of REST APIs, asynchronous systems, and distributed servicesExperience debugging production systems and handling live incidentsComfortable working across backend, frontend, infrastructure, and support contextsAbility to work independently and take full ownership of a product areaWhat do we offer?An international team with enthusiastic colleagues.A clear career path with (international) growth opportunities.26 vacation days plus an extra day off on your birthday.8% holiday allowance per year.A solid pension plan.A hybrid working model: partly in the office, partly from home.A flexible monthly budget of 50 (for example for sports, hotel stays, meal boxes, and more).Access to the OpenUp platform, giving you and your loved ones easy access to professional mental health support whenever it’s https://jobeax.com/link/lBnvPd2BUysybNVk option to work fully remote for 2 weeks per https://jobeax.com/link/TLeLHwmMGp8luWLd you need to perform: tools, training, and https://jobeax.com/link/Bk8JLcrD3n0nJ4Qy lunch and https://jobeax.com/link/CbfyigGBXMlkRSKt football, Xbox, and Mario Kart to relax during the https://jobeax.com/link/2fHxJGDVBKhEEA6g afternoon drinks and regular social events and parties.