Technical Customer Support Specialist

At Duna, we see the company as the second product we're building and are continually working to create a transparent, ambitious culture. We want this to be the place where you do your best work. Our mission is to redefine identity for the global economy. We're backed by world-class investors including CapitalG and Index Ventures, as well as founders and executives from companies like Stripe, Adyen, Notion, Remote, Qonto, Framer, Anthropic, Mollie, OpenAI and Goldman Sachs. Duna's infrastructure is part of the product. Enterprise customers buy our reliability, security posture and auditability, not just our features. Since your role with us will rarely fit a job description, we only wrote a crisp overview. WHAT YOU'LL BE DOING IN THIS ROLE Own and harden our platform: AWS, Kubernetes, Postgres, infrastructure as code, CI/CD, observability and incident response Make security the default, with least privilege, secrets management and tenant isolation built into the platform instead of bolted on later Turn our SOC 2 and ISO 27001 commitments into controls and evidence that are automated, not a yearly scramble Turn recurring operational toil into self-service systems that engineers actually adopt, from preview environments to internal access Help Duna run AI agents in engineering safely, with the sandboxes, guardrails and human checkpoints that make it possible Take calm ownership of incidents, and make sure the system gets better afterwards, not just the moment WHAT WE'RE LOOKING FOR Deep, hands-on experience with AWS (or comparable), Kubernetes, infrastructure as code, CI/CD and observability Real security engineering skills: you turn least privilege and auditability requirements into working systems Comfort with the enterprise IT side of a startup, from certifications and customer security reviews to identity and device management High agency in ambiguity, turning a vague problem into a shipped plan Pragmatic judgement about when to harden, when to simplify and when t…

Publié 13 Oct 2026

At Duna, we see the company as the second product we’re building and are continually working to create a transparent, ambitious culture. We want this to be the place where you do your best work. Our mission is to redefine identity for the global economy. We’re backed by world-class investors including Index Ventures as well as founders and executives from companies like Stripe, Adyen, Notion, Remote, Qonto, Framer, Anthropic, Mollie, OpenAI, Goldman Sachs. Since your role with us will rarely fit a job description, we only wrote a crisp overview. WHAT YOU'LL BE DOING IN THIS ROLE Design and build backend systems that are clean, testable, and efficient Ship customer-facing features as an engineer in one of our product teams Work closely with Deployment, go-to-market teams and our customers to bring them to life Turn repeated setup work into product improvements Bring care to testing, quality, and long-term maintainability Shape our engineering practices and technical culture WHAT WE'RE LOOKING FOR 3 to 5+ years as a backend engineer at a modern tech company High level of ownership and care for your work, with a track record to show for it You enjoy working with customers and can explain technical things to people who aren't engineers You take feedback quickly and turn it into growth Curiosity Big ambitions Kindness Bonus if you've worked on AI features and how to evaluate them, or on product analytics. Our current stack includes Node.js + TypeScript, Event Sourcing, Express, Postgres, RabbitMQ, Kubernetes, AWS. Experience with these is a plus, but not required. We are more excited about how you approach problems and find solutions. A final note before you apply: please read through our website in detail. You'll find the fundamentals there: what we believe in, how we work, and why we're building this company. We're a remote-first, fast-moving team of builders looking for exceptional people who love to create, build, and ship. Beyond passion and grit, we highly value c…

Publié 13 Oct 2026

About Us Nopan is a payment performance platform built by former merchants, focused exclusively on account and wallet payment methods. We help large merchants, fintechs, and PSPs turn payments into measurable revenue drivers. We are payments nerds who are excited about global changes happening in the industry and we want and know how to make it better. In just 18 months, we secured our license from the Dutch Central Bank, formed partnerships with Europe's major payment schemes, including becoming a Principal Member of EPI/Wero, and went live with initial customers. Backed by leading investors, we are now scaling to become the default performance layer for account and wallet payments in Europe. If you're excited about solving big problems and creating something from the ground up, this is the place for you. What You’ll Do Collaborate closely with the founding team to define, design, and implement the core product. Contribute to product strategy and roadmap discussions, bringing your technical expertise to the table. Take ownership of entire features from conception to deployment, and iterate based on user feedback. Set up and maintain the tech infrastructure, including cloud services, databases, and CI/CD pipelines. Set up data storage solutions and ensure data integrity and security. Optimize system performance and scalability to support a growing user base. What We’re Looking For 5+ years of experience in backend development with a strong command of Java and related frameworks (e.g., Spring Boot). Proven experience deploying and managing applications on AWS, utilizing services such as EC2, S3, RDS, Lambda, and others. Hands-on experience with Kubernetes for orchestrating containerized applications in production environments. Solid understanding of microservices architecture, RESTful APIs, and database management (SQL/NoSQL). Experience with CI/CD pipelines, automation, and infrastructure as code (e.g., Terraform, CloudFormation). Strong problem-solving skills, wit…

Publié 13 Oct 2026