Location: Ikeja, Lagos
Employment Type: Contract (Hybrid)
Job Purpose
- To set the engineering standard for the Java estate, demonstrate it through a reference implementation, and hold design authority over the External Applications subsystems.
- This is a hands-on technical leadership role; the post holder will write the reference implementation.
- The subsystems in scope include the payment gateway, covering both fee collection and disbursement via the national settlement infrastructure; the USSD gateway; the email gateway service; device registry services with a lifecycle management interface; appointment booking; and a geospatial enrolment planning and coverage analytics module.
Key Responsibilities
- Define engineering standards for the Java estate: service template, project structure, configuration externalization pattern, error contract, logging format, testing expectations and dependency policy.
- Implement the packaging and handoff standard in practice — GitLab CI pipeline templates producing container images and parameterized Helm charts, with the pipeline enforcing the standard rather than a document requesting it.
- Build one subsystem end to end to the standard as the reference implementation that other teams work from.
- Hold design authority over the External Applications subsystems through a review gate with a defined pass condition.
- Provide technical direction on the more demanding subsystem designs, including the payment gateway settlement integration and the USSD gateway, which is inbound, synchronous and session-based rather than message-queue driven.
- Establish and enforce the code review standard, including what blocks a merge.
- Develop the Java team, and the two nominated subsystem technical leads to independent capability
Essential Experience
- 7 years experience
- Java and Spring Boot at principal level, with production systems at national or tier-one scale.
- Has set engineering standards across multiple teams and enforced them through tooling and gates.
- Has built for handoff produced packages deployed by another organization, without production access, from supplied documentation. This is the differentiating requirement for this role.
- Kubernetes, Helm and GitOps sufficient to design the packaging contract
- PostgreSQL at scale, and event-driven integration patterns including idempotency and dead-letter handling.
- Has developed engineers into technical leads
Desirable Experience:
- Payments, particularly national settlement rails.
- Telecommunications channel integration - USSD, SMPP or aggregator platforms.
- Key cloak or OpenID Connect as a consumer.
- MOSIP or a comparable national identity implementation.
Application Closing Date
8th September, 2026.
Interested and qualified candidates should send their CV to: talent@hr-aidconsults.com using the Job Title as the subject of the email.
