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Senior Full-Stack Engineer (Kotlin & TS)

2 months ago
Poland
Contract
Senior
Full-stack Engineer
Software Development
Angular AWS AWS CDK CI/CD ERP Java Kotlin Microservices Pulumi Python React Scala Terraform TypeScript
Apply Now
Vecten

Vecten

Vecten specializes in developing proprietary data infrastructure and AI systems tailored for private capital and healthcare sectors, enabling organizations to transform fragmented information into a strategic competitive advantage.

Internet Software & Services
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Description

  • Design and build the core 401(k) platform, including event processing, plan configuration, eligibility rules, and supporting services.
  • Own end-to-end vertical slices across AWS infrastructure, Kotlin backend services, and TypeScript frontend work.
  • Participate in product conversations with business users and push back on requirements when needed.
  • Help define architecture decisions such as infrastructure-as-code approach, service boundaries, and data model.
  • Interview internal subject-matter experts and translate retirement domain knowledge into working software.
  • Set standards for AI-native engineering practices and define how the team uses tools such as Claude Code, Cursor, and agents.
  • Deliver features in a greenfield environment with meaningful ownership and ambiguity.
  • Collaborate with a senior, small team serving a US-based client with overlap to East Coast working hours.

Requirements

  • 7+ years of professional software engineering experience with senior- or staff-level responsibility.
  • Strong backend engineering experience on the JVM, with Kotlin preferred and Java or Scala acceptable.
  • Production experience with TypeScript and a frontend framework such as React or Angular.
  • Solid cloud infrastructure fundamentals, including networking, IAM, compute, and managed services.
  • Experience designing non-trivial systems and defending architectural trade-offs.
  • Fluent English for daily communication with business users and engineers.
  • Strong AI-native workflow fluency with tools such as Claude Code, Cursor, or equivalent agents.
  • Production AWS experience, including VPCs, IAM, and RDS or Lambda/ECS trade-offs.
  • Infrastructure-as-code experience with Pulumi, Terraform, or CDK.
  • Experience in regulated or transactional domains such as fintech, payments, healthcare, insurance, ERP, or billing systems.
  • Comfort working in greenfield ambiguity and making progress when major decisions are still unresolved.
  • Direct retirement, pensions, or 401(k) experience is highly preferred.
  • DevOps depth, including CI/CD, observability, and on-call experience, is a plus.
  • Python data-stack experience is a plus.

Benefits

  • Fully paid licenses for AI tools such as Cursor and Claude Pro.
  • Flexible working hours with remote work options.
  • Managed, secured hardware and environment provided by Vecten.
  • Private medical care.
  • Multisport card.
  • Mentoring, feedback meetings, and career growth opportunities.
  • Opportunity to work with a senior engineering team on high-impact systems.

Interested in this position?

Apply directly on the company website

Apply Now

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