Senior Full Stack & Systems Integration Lead (Contract)

MAYSEN MANPOWER PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Part time

Job summary

Maysen Manpower PTE. LTD. is seeking a senior Full Stack Engineer to lead system integrations for a national-scale robotics platform. You will define interface specifications, manage integrations between subsystems and vendors, and own the end-to-end integration test plan.

This contract role requires strong stakeholder management across multiple vendors and progressive knowledge transfer to the internal team, with a start date in September 2026.

Qualifications

• Degree in Computer Science, Engineering, or related field.
• At least 7 years of experience in systems integration or full stack engineering for large-scale data or technology platforms.
• Proven experience managing end-to-end integration between multiple vendors and subsystems in complex, multi-party program environments.
• Experience defining interface specifications, integration frameworks, and test plans for data platforms.
• Strong understanding of data quality dimensions: completeness, accuracy, format compliance, schema conformance.
• Experience designing and executing integration test plans.
• Experience coordinating cross-team integration testing involving multiple vendors and stakeholders.

Responsibilities

• Define and maintain interface specifications and integration frameworks for inbound/outbound data sources.
• Serve as the main technical point of contact with the System Integrator (SI) and other vendors on all integration matters.
• Manage and oversee integrations between subsystems across the data platform, BFG, and other connected systems.
• Track integration progress across all subsystems and vendors, flagging risks and delays.
• Coordinate with the SI on integration working groups and ensure technical readiness ahead of milestones.
• Own the overall integration test plan: define test scope, acceptance criteria, and sign-off processes.
• Conduct end-to-end integration testing with the SI and vendors prior to go-live.
• Validate data completeness, accuracy, format compliance, and schema conformance across integrated data flows.
• Escalate and resolve integration and quality issues across vendors in a timely manner.

Skills

Full stack engineering

Systems integration

Data platform

Stakeholder management

Test planning

Education

Computer Science degree

Tools

Databricks

AWS

Job description

Maysen Manpower PTE. LTD. is seeking a senior Full Stack Engineer to lead system integrations for a national-scale robotics platform. You will define interface specifications, manage integrations between subsystems and vendors, and own the end-to-end integration test plan.

This contract role requires strong stakeholder management across multiple vendors and progressive knowledge transfer to the internal team, with a start date in September 2026.