Senior Backend/API Test Engineer

ALLPS; Stockholms kommun; Hybrid; SEK 600,000 - 900,000; Full time

Benefits offered by this job

AI interview

Job summary

ALLPS seeks a Senior Backend/API Test Engineer to join our framework program in Stockholm. You will test backend services and API integrations, ensure contract adherence, and validate resilience as systems move toward cloud deployment.

The role offers long-term, fixed-rate engagements with options for freelance or staff employment through ALLPS, with onsite, hybrid, or occasional remote assignments in Stockholm and Visby.

Qualifications

• Experience with API and integration testing in integration-heavy environments.
• Asynchronous, event-driven flows (messaging, pub/sub).
• Data consistency and transaction handling.
• High-volume business-critical systems.
• Logs, metrics and tracing for troubleshooting.
• OWASP API security.

Responsibilities

• Test APIs and integration flows with internal and external parties.
• Verify API and service contracts.
• Test resilience and error handling.
• Manage test data and environments.
• Test flows being moved step by step to the cloud.

Skills

API testing

Integration testing

Event-driven

Data integrity

Logging & tracing

OWASP API security

Job description

Senior Backend/API Test Engineer – Stockholm

About Us

ALLPS is putting together a team of senior consultants for a framework agreement with a major Swedish consumer-facing company in a regulated industry, headquartered in Stockholm. The framework runs from February 2027 for two years, with options to extend up to four years. Assignments are ordered as needed and are mostly onsite or hybrid at the client's office in central Stockholm (Slussen) or in Visby; some assignments can be fully remote. Test business‑critical backend services and integrations where correct transactions and traceability matter most.

Key responsibilities

• Test APIs and integration flows with internal and external parties
• Verify API and service contracts
• Test resilience and error handling
• Manage test data and environments
• Test flows being moved step by step to the cloud.

Required Skills And Experience

• API and integration testing in integration-heavy environments
• Asynchronous, event-driven flows (messaging, pub/sub)
• Data consistency and transaction handling
• High-volume business‑critical systems
• Logs, metrics and tracing for troubleshooting
• OWASP API security.

Nice to have

• Automated backend testing.

What We Offer

• Long-term assignments at a fixed rate per role, agreed with you up front
• Freelance (via your own company) or employment through ALLPS
• A recruiting process that respects your time: one short AI interview, then a personal call