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Kake
1 month ago
Grade
Lead
Work format
Remote
English level
B2, upper-intermediate
An email or a Telegram message to the recruiter
We're looking for a hands-on Tech Lead to guide the replacement of a critical financial processing function within a large US benefits organization, separating it from a legacy core system into a standalone application. This is not a typical greenfield build: the legacy source code will not be available, so existing behavior must be reconstructed from database extracts, historical outputs, documentation, and SME workshops, then proven by reconciling the new system against historical results.
The ideal candidate has led a legacy replacement or system separation through production cutover and has deep experience with financial transaction systems such as ledgers, fund allocation, reconciliation, and period close. You'll bring strong backend architecture skills (.NET preferred), significant data migration expertise, and production experience with Kubernetes and CI/CD in regulated, security-conscious environments. The engagement begins with a discovery phase, followed by a multi-month build through production cutover.
Proven track record leading a legacy system replacement, carve-out, or system separation through production cutover, including personal ownership of the replacement design and involvement through migration. Greenfield-only experience is not sufficient
Strong experience with financial transaction systems involving ledgers/subledgers, allocation across funds or accounts, reconciliation, period close, adjustments, and audit trails (pension, insurance, banking, billing, payroll, claims, or similar domains)
Strong backend architecture experience, with .NET strongly preferred; candidates with deep Java, Go, or other enterprise backend experience will be considered if they have led complex legacy replacement and migration work
Significant hands-on data migration experience, including profiling, transformation, reconciliation, exception handling, and parallel-run validation before cutover
Strong integration architecture skills, including API and feed contracts, idempotency, retry and error handling, observability, and reconciliation across systems
Production experience with Kubernetes and CI/CD pipelines in controlled enterprise environments
Experience delivering in regulated or security-conscious environments with strict controls around access, auditability, sensitive data, secrets, and change management
Comfortable in a client-facing role, leading discussions with both technical teams and business SMEs
Excellent written and verbal communication skills in English
Ability to work independently in a remote, fast-paced environment
Candidates must be willing to comply with healthcare data privacy and security agreements
We're looking for a hands-on Tech Lead to guide the replacement of a critical financial processing function within a large US benefits organization, separating it from a legacy core system into a standalone application. This is not a typical greenfield build: the legacy source code will not be available, so existing behavior must be reconstructed from database extracts, historical outputs, documentation, and SME workshops, then proven by reconciling the new system against historical results. The ideal candidate has led a legacy replacement or system separation through production cutover and has deep experience with financial transaction systems such as ledgers, fund allocation, reconciliation, and period close. You'll bring strong backend architecture skills (.NET preferred), significant data migration expertise, and production experience with Kubernetes and CI/CD in regulated, security-conscious environments. The engagement begins with a discovery phase, followed by a multi-month build through production cutover.
Key Responsibilities
Core Requirements
Nice-to-Have
Additional
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