Specialises in API-based integrations: design, security, gateway and consumption.

Entry

Intermediate

Coding

High

Key skills

API integrationAPI design (REST/GraphQL)API security (OAuth/mTLS)API gateway

Career overview

The API Integration Engineer focuses on API-based integrations: contract design, security (OAuth, mTLS), gateway configuration and consumption patterns. They ensure APIs are reliable and well-documented. The role leads to Integration Architect, Solution Architect or Senior Software Engineer.

Main responsibilities

  • Design, build and document APIs
  • Manage the API lifecycle and gateway
  • Design and document REST APIs
  • Build integrations between systems and APIs
  • Secure cloud identities, network and data
  • Write unit and integration tests
  • Build and maintain CI/CD pipelines
  • Keep technical documentation up to date
  • Monitor platform health, alerts and dashboards
  • Mentor junior team members and review their work

Technical skills

API integration90%
API design (REST/GraphQL)85%
API security (OAuth/mTLS)82%
API gateway82%
Testing78%
CI/CD78%
Documentation (OpenAPI)82%
Monitoring75%

Technologies

ApigeeKongAWS API GatewayAzure API ManagementOpenAPIOAuth2OIDCPostmanJavaNode.jsPythonGitHubAzure DevOpsDockerKubernetesPrometheusGrafanaJira

Education level

Education requirements vary depending on the company, country and experience. Professional experience, certifications and technical skills can sometimes compensate for formal education.

High School / Bac

Less common

Bac+2 (2-year degree)

Less common

Bac+3 (Bachelor)

Common entry point

Bac+5 (Master / Engineering)

Common entry point

Experience & coding level

Experience level

Entry LevelJuniorIntermediateSeniorExpert

Coding level

No codingLowMediumHighVery High
Technical difficulty75%

Useful certifications

Certifications are never mandatory. They are one way among others to prove a skill.

  • Apigee Certified API Engineer
  • Kong Certified Developer
  • Google Cloud Professional Cloud Architect

Where can this career take you?

Multiple paths are possible. Click a role to open its profile.

Direct progression

API Integration EngineerIntegration Architect

Possible branches

Solution ArchitectSenior Software Engineer
Where Can Your IT Career Take You?

Where can you go next?

Realistic next career moves, with compatibility and a transition roadmap for each.

Overlap: 38% · Difficulty: Easy

Skills to learn: Messaging & events, Middleware platforms, Patterns (EIP)

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Overlap: 50% · Difficulty: Medium

Skills to learn: Cloud architecture, Cost & sizing, Stakeholder management

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Where can you go from here?

A typical progression built from real career relationships. Click any role to open its profile.

Soft skills
  • Analytical thinking
  • Rigour and attention to detail
  • Problem solving
  • Autonomy
  • Clear communication
  • Organisation
  • Technical curiosity
Common previous careers

Roles that frequently lead into this career.

Overlap: 44% · Difficulty: Medium

Skills to learn: API integration, API gateway, Documentation (OpenAPI)

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Overlap: 49% · Difficulty: Easy

Skills to learn: API security (OAuth/mTLS), API gateway, Testing

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Related resources

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API Integration EngineerIntegration Architect

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