Lead API Engineer (M/K)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on defining and driving API strategy within a AWS cloud-native architecture, including API standards and governance. Key technologies include API Gateway, Lambda, ECS/Fargate, Cognito, Terraform and languages C++, .NET, TypeScript. Responsibilities cover API architecture design, contract-first standards (OpenAPI, GraphQL), security models (OAuth2/OIDC, JWT, SigV4), and cross-team collaboration for API modernization and standardization.

from: 2 June 2026
to: 2 July 2026
salary not specifiedcontract of employment (full-time)
Salary details
basic salary
Offer parameters
level:expert
working mode:hybrid
location:Katowice, Silesian
Katowice, Silesian

Requirements

Expected technologies

AWS
API Gateway
Lambda
ECS
C++
.NET
Python
TypeScript
Terraform
OAuth2

Employer requirements

  • Strong experience designing scalable API platforms on AWS (API Gateway, Lambda, ECS/Fargate, ALB, Cognito, EventBridge, IAM).
  • Experience in C++, .Net (Python will be a plus).
  • Experience in TypeScript.
  • Strong knowledge of contract-first API standards like OpenAPI and GraphQL.
  • Deep knowledge of contract-first API design, versioning, and schema governance.
  • Expertise in authentication and authorisation (OAuth2/OIDC, JWT, SigV4).
  • Hands-on experience with Terraform and infrastructure-as-code.
  • Solid understanding of CI/CD, DevOps, security automation, and dependency management.
  • Experience with event-driven architectures and observability tooling.
  • Proven ability to define platform-wide standards and lead large-scale architectural change.
  • Experience creating opinionated templates and enablement tooling.
  • Strong stakeholder communication and ability to influence across teams.

Your responsibilities

  • Own and evolve the target API architecture across domains using AWS-native services.
  • Define contract-first API standards (OpenAPI/GraphQL), versioning, schema governance, and CI/CD quality gates.
  • Design and govern API Gateway patterns, routing models, Terraform modules, and policy-as-code guardrails.
  • Architect identity and security models, including OAuth2/OIDC, JWT, AWS SigV4, rate limiting, and WAF controls.
  • Enable teams through paved-road service templates (C++, .NET, Python, TypeScript) with built-in auth, observability, and pipelines.
  • Define integration patterns for event-driven and synchronous APIs, ensuring reliability and backward compatibility.
  • Establish observability and reliability standards (logs, metrics, tracing, SLOs).
  • Lead API modernisation, reducing technical debt and aligning legacy APIs with new standards.
  • Partner with engineering, product, security, and SRE teams to drive adoption and best practices.

About the project

Define and drive an end-to-end API strategy for a modern, cloud-native organisation.
Shaping API standards, architecture, governance, and tooling to enable secure, scalable, and product-grade APIs across internal and external consumers.
Hands-on architecture role combining deep platform engineering with cross-team leadership to deliver a unified, contract-first API ecosystem built on AWS.

Work organization

Work style

you focus on a single project at a timeyou have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedyou have influence on the productscrum

Team members

backend developerarchitectdevOpsproduct ownerproject manager

The way of working on the project

  • code quality measures
  • event modeling
  • DevOps
  • issue tracking tools
  • integration tests
  • performance tests
  • test automation
Company

Development opportunities

  • external training
  • mentoring
  • space for experimenting
  • substantive support from technological leaders

What employer offers

  • International, collaborative work environment
  • Exposure to large-scale cloud and integration platforms
  • Strong learning and development support
  • Competitive compensation and benefits

TEAM UP RECRUITMENT SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

We recruit the best IT specialists for technology companies – with no risk and full accountability for the outcome.
Lead API Engineer (M/K)
I apply to:
TEAM UP RECRUITMENT SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Katowice, Silesian
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