Senior Solutions Architect designing digital manufacturing solutions at LyondellBasell. Leading architecture for production, reliability, energy, and sustainability use cases with a focus on innovation.
About the role
- Backend Integration Engineer at Skillfield migrating legacy web portal to modern, mobile-first native application. Designing scalable services and collaborating with cross-functional teams.
Responsibilities
- Design, build, and maintain scalable microservices supporting core application domains including events, calendars, synchronisation, audit logging, and chat orchestration
- Define and maintain versioned, mobile-first API contracts that support idempotent writes, delta synchronisation, and offline-friendly workflows
- Lead backend integration efforts during the migration from a web portal to a native mobile application, ensuring smooth client transitions and backward compatibility
- Implement authentication and authorisation middleware, including Okta token validation, OAuth2/OIDC flows, JWT handling, and role-based access controls
- Build reliable synchronisation and audit pipelines with strong traceability, retry mechanisms, and error handling
- Support high service reliability through monitoring, structured logging, alerting, and incident response
- Own CI/CD pipelines and deployment automation to enable safe, repeatable, and observable releases
- Collaborate with frontend and mobile teams to align API design with real-world client needs and performance considerations
Requirements
- Strong backend development experience using Node.js and TypeScript
- Experience with backend frameworks such as NestJS and/or Express
- Solid understanding of RESTful API design, OpenAPI specifications, and versioning strategies
- Experience with security and identity patterns including OAuth2, OpenID Connect, JWT, and Okta integrations
- Hands-on experience with data stores such as PostgreSQL and DynamoDB (or equivalent technologies)
- Experience working in cloud environments, particularly AWS (API Gateway, ECS and/or Lambda, CloudWatch)
- Familiarity with CI/CD pipelines, infrastructure-aware service design, and observability best practices
Benefits
- Flexible work arrangements
- Professional development
- Performance-based recognition
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
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