Platform Integration Engineer – Remote

Mantu Manager Program; Barcelona; Remote; EUR 42,000 - 66,000; Full time

Benefits offered by this job

Flexible remote work options

International team across continents

Training & skill development

Job summary

LittleBig Connection is seeking an Integration Engineer – Platform to own the integration layer between ontology, systems of record, and operational tools. You will collaborate with architecture, data engineering, DevOps, and product teams to translate actions into reliable, scalable workflows.

Candidates should have 4–7 years of experience in integration or platform engineering, strong API/workflow expertise, and fluency in English (French a plus).

Qualifications

• 4–7 years of experience in integration engineering, platform engineering, backend development, or workflow automation.
• Strong expertise in API integration, workflow orchestration, idempotency, retry strategies, monitoring and incident management.
• Proficiency with n8n or similar workflow tools, REST APIs, webhooks, polling, schema validation, and versioned contracts.
• Knowledge of systems of record such as Odoo or similar platforms is a plus.
• English fluent; French is a plus.

Responsibilities

• Design and maintain adapters per source system with versioned contracts.
• Build and operate the anti-corruption layer to isolate tool-specific changes.
• Implement a workflow per declared action with validation via schemas.
• Ensure reliability with idempotency, retries, backoff, compensation, and dead-letter queues.
• Manage state feedback via webhooks or polling and ensure read-your-own-write consistency.
• Maintain read-by-identifier capabilities through adapters.
• Operate flows between source systems and reverse ETL processes into tools.
• Monitor, alert, replay, and manage incidents across the integration layer with versioning and deprecation support.

Skills

API integration

Workflow orchestration

Idempotency

Retry strategies

Monitoring

Alerting

Incident management

Education

Bachelor's degree in Computer Science or related field

Tools

n8n

REST APIs

Webhooks

Polling

Schema validation

Versioned contracts

Job description

LittleBig Connection is seeking an Integration Engineer – Platform to own the integration layer between ontology, systems of record, and operational tools. You will collaborate with architecture, data engineering, DevOps, and product teams to translate actions into reliable, scalable workflows.

Candidates should have 4–7 years of experience in integration or platform engineering, strong API/workflow expertise, and fluency in English (French a plus).