Software Engineer - App & Cloud

Vacature: Software Engineer - App & Cloud

NN has launched a digital payments bank in May 2025 (quietly to the Google & Apple Stores). Payments is a newly formed business unit within NN Bank where opportunities for growth are enormous. As a Software Engineer – App & Cloud, you will play a key role in building and supporting customer-facing journeys in the Payments Banking App using modern software engineering practices. You will work closely with senior engineers, gaining hands-on experience in both mobile and backend development and operations while contributing to secure, scalable and reliable solutions.

What you are going to do

You will work under the hood of our Cloud / Serverless tech stack (digital product layers) and Mobile App to implement features, troubleshoot issues, and ensure smooth releases. Your contributions directly impact customer experiences, from customer onboarding to making payments to online transactions, while helping maintain high standards of security, reliability and performance. You will:

• Implement and maintain features in the NN Banking App (ReactNative) and backend services (TypeScript, AWS Serverless components)
• Participate in code reviews and apply/learn best practices from fellow engineers
• Investigate and resolve bugs, contributing to overall product stability
• Assist in mobile and backend release cycles, ensuring timely and quality deployments
• Collaborate with the team to adopt modern engineering practices such as AI-first developer workflows, DevOps, test automation, and shift-left testing
• Gain experience in technologies like GraphQL, Kafka, and AWS services (Lambda, API Gateway, DynamoDB, SQS, SNS)

We bieden je

• NS Business card, ook privé te gebruiken
• 13e maand en vakantiegeld
• 27 vakantiedagen en 1 Diversiteitsdag
• Hybride werken

What we offer you

• Salary between € 3.908 and € 5.583 based on 40 hours/week, depending on your knowledge and experience. It’s also possible to work 36 or 38 hours per week
• 13th month and holiday allowance are paid with your monthly salary
• 27 vacation days for a 5-day working week and one Diversity Day
• A modern pension administered by BeFrank
• Plenty of training and learning opportunities
• NS Business Card 2nd class, which gives you unlimited travel, also privately. Do you prefer to travel with your own transport? Then you can declare the kilometers travelled
• Allowances for setting up your home office and for internet use

Who you are

• You have foundational hands-on knowledge in software development and the stack we use - TypeScript, ReactNative, and AWS Cloud - and are eager to grow your skills there
• You have an AI-first mindset and constantly explore ways to leverage AI tools and agents to get your job done and redefine your workflows efficiently
• You are ambitious, want to learn every day, and do not hesitate to go under the hood and learn to work comfortably with distributed software development, release, and operations
• You are curious and passionate about technology; building digital products using modern engineering practices gives you a lot of energy
• You are fair and transparent and do not hesitate to talk openly about challenges, failures, and successes
• You are a great team player

You know how to work in an Agile environment where collaboration, feedback loops, and continuous improvements are the foundations. Additionally, you possess:

• 2+ years of experience working as a software engineer
• Foundational hands-on knowledge of AWS Serverless technologies, GraphQL, TypeScript, Azure DevOps, ReactNative
• DevOps mindset and foundational knowledge about software architectures and patterns

Expectations from you

During the first 4 sprints and beyond (each sprint is 2 weeks): Demonstrate autonomy in developing simple-to-medium backend features and eventually frontend (gradually) – by your PR contributions.

• Demonstrate your understanding / working with our stack – by your involvement and contribution during Sprint Refinements
• Demonstrate good knowledge of AWS Services listed – by your participation in Sprint Refinements
• Demonstrate strong knowledge of TypeScript and Serverless – by your PR contributions

During your entire time with this Team:

• Demonstrate ownership of your deliverables “end-to-end” – by proactive identification of issues, proposing solutions, and following through until resolution
• Demonstrate commitment to the team goals/objectives – by showing up prepared to team rituals, meeting sprint delivery obligations, and supporting fellow team members
• Demonstrate learnability of anything that is “unknown” to do your job well – by owning your learning by following courses and webinars to gain comfort

Who you will work with

You are going to be a part of one of the Payments Teams of awesome individuals with different backgrounds and cultures who are working together to build and maintain crucial payments digital bank use cases. You will join a cross-functional team consisting of full-stack engineers, business analysts, a scrum master and a product owner.

You will work closely with the Product Owner (in realizing the product roadmap), and with other Payments Tech Leads (as a sparring partner in tech decisions and review). You will report to the Engineering Manager of Bank.