Senior Full-Stack Engineer

New
Remote (Poland-based), Meaningful overlap with US East Coast (afternoon CET)ContractSenior
Salary28,000 - 38,000 PLN per month
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Job Details

Languages
Pl C1, en C1
Experience
7+ years
Required Skills
AWSJavaKotlinTypeScriptAngularReactTerraform

Requirements

  • 7+ years of professional software engineering experience.
  • Proven track record in senior or staff-level roles.
  • Deep backend expertise on the JVM (Kotlin preferred, Java/Scala accepted).
  • Proficiency in TypeScript for building frontend interfaces (React, Angular).
  • Solid cloud infrastructure knowledge (AWS, VPC, IAM, RDS).
  • Strong architectural judgment and experience designing non-trivial systems.
  • Fluent in written and spoken English.
  • Experience with IaC tools like Terraform, Pulumi, or CDK.
  • Background in regulated or transactional domains like fintech or healthcare.

Responsibilities

  • Design and build the core platform for a 401(k) administration system.
  • Own end-to-end vertical slices including AWS infrastructure, backend services, and frontend UI.
  • Act as a thought partner on architectural decisions like IaC and data modeling.
  • Interview domain experts to translate requirements into technical specifications.
  • Implement and lead AI-native engineering workflows using tools like Claude Code and Cursor.
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28,000 - 38,000 PLN per month
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