Senior Node.js Engineer - Real-Time AI Apps

Box

Warszawa

On-site

PLN 200,000 - 320,000

Full time

14 days+

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Job summary

Box Poland is seeking a Senior Software Engineer on the Content Creation team to help build real-time collaboration features such as Notes and Canvas. You will work across frontend and backend to deliver scalable, high-quality software in a fast-paced, AI-enabled environment.

You will partner with cross-functional teams to design APIs, implement robust frontend experiences with React/TypeScript, and contribute to on-call rotations while applying AI tools to accelerate development and improve

Qualifications

6+ years of professional software development experience.
Strong coding skills with Node.js and TypeScript for backend.
Experience designing and implementing APIs and distributed services; solid grasp of system design and data modeling.
Proven ability to design, build, and deploy high-quality software in cloud environments.
Expertise HTML/CSS, and at least one modern frontend framework (e.g., React); strong understanding of state management, accessibility, performance, and security basics.
Strong knowledge of algorithms, data structures, software design principles, and object-oriented programming.
Passionate about new technologies with the capability to implement them in existing products.
Demonstrate ownership mentality and strives for excellence in both technical work and team interactions.
Proficient in English.

Responsibilities

Develop high-quality, scalable, and responsive software using modern technologies.
Write clean, efficient, and maintainable code using industry best practices.
Partner with cross-functional teams to onboard, share knowledge, and align on current responsibilities and priorities
Participate in regular team meetings and manager 1:1s to ensure alignment, growth, and continuous improvement
Create clear technical documentation, reusable patterns, and examples to scale knowledge across engineering teams
Leverage AI tools to accelerate development, research, documentation, and bug triage while maintaining high standards of quality and security
Represent and advocate for Box Poland’s engineering excellence both internally and externally
Maintain and support one or more legacy codebases
Contribute to defining and implementing engineering standards across product teams
Participate in our on-call rotation, available at all times while on-call to help respond to and triage any issues that arise.