Senior Full Stack Engineer - Poland; B2B

Senior Full Stack Engineer - Poland (B2B Contract)

Poland

At Goodnotes, we believe that every individual holds untapped potential waiting to be unleashed. By reimagining the way we interact with information, we’re merging human creativity with the breakthrough capabilities of AI. Our renewed vision and mission drive us to create the best medium for human and AI collaboration, empowering users to explore new dimensions of productivity, creativity, and learning. Join us on this journey as we transform digital note‑taking into an inspiring and innovative experience.

Our Values:

• Dream big —Be visionary, strategic, and open to innovation
• Build great things —Work in service of our users, always improving and pushing higher
• Operate like an owner —Take responsibility with bold decision‑making and bias for action
• Win like a sports team —Be trusting and collaborative while empowering others
• Learn and grow fast —Never stop learning and iterate fast
• Share our passion —Share ideas and practice enthusiasm and joy
• Be user obsessed —Empathetic, inquisitive, practical

Multiple teams are hiring concurrently for this function. Still, regardless, you will be part of a small, cross‑functional, autonomous, distributed team across Europe and Asia in charge of one part of the product or the business end‑to‑end. You will have shared time for collaborative activities such as planning, retros, stand‑ups, and brainstorming sessions. Some interesting challenges the teams face are implementing new technologies such as AI, for multiple platforms, and dozens of millions of users.
You will use a broad and modern tech stack with:

• Programming Language:
  We use Type Script for Frontend. Our backend services are written in Kotlin.
• Frameworks and Libraries:
  We use React/Redux and Web Assembly to compile our Swift core logic.
• Monitoring and Logging:
  We are currently using Datadog for monitoring and logging. Metrics are collected across our agents, taken from the logs using metric filters, and updated directly from lambda function or the application.
• Infrastructure-as-Code:
  Most of our infrastructure is written with Terraform.
• CI/CD:
  We currently use Git Hub Actions for CI, and ArgoCD for CD.
• Deployments:
  We have multiple EKS clusters set up either for Blue/Green rollouts or dedicated feature sets. We are currently updating these clusters using ArgoCD and Atlantis.
• Our main databases are Mongo
  
  DB and a self‑managed Cockroach
  
  DB cluster running on EKS.
• We believe in automating ourselves out of our jobs.

This is the role for you, if you’re excited to work on the things listed below:

• Bring our core iOS App to cross platforms i.e. Web, Android and Windows systems, based on scope and requirements, using cross‑platform SDKs.
• Rapidly build prototypes/simulations from mockups that can be directly implemented
• Improve rendering performance and memory optimizations to create a performant UX
• Support, maintenance and ongoing development for existing applications and projects
• Unit‑test code for robustness, including edge cases, usability, and general reliability
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Shipping Progressive Web Apps (PWA) to various platforms utilizing latest technologies

The skills you will need to be successful in the above:

• Experience building modern web applications using libraries and frameworks like:
  React/Redux
• Expertise with Type Script
• At least 5 years of related working experience, you’ve made mistakes and learned from it, we also welcome very senior developers who can lead complex initiatives
• Experience building cross‑platform SDKs for shipping one or more non‑trivial apps on respective app stores
• Expertise in cloud storage, deployment and computing. We use AWS but we’re open to other platform experience
• Can ship great quality products efficiently, you follow best practices (CI/CD, automated testing, version control)
• Strong fundamentals in Computer Science, you know how things work under the hood
• Excellent problem‑solving, communication, and story‑telling skills
• Experience building PWA with offline‑capabilities, bonus if you have used Web Assembly (WASM)

At Goodnotes,…