Conversion Engineer: Go Developer – Banking Data Conversions

Key Responsibilities

Develop and maintain Go (Golang) applications and utilities supporting banking data conversions and migrations.

Build scalable processes for extracting, transforming, validating, and loading data from legacy banking platforms.

Analyze legacy core data structures and implement source-to-target mappings and transformation rules.

Support conversion of customer, deposit, loan, transaction, balance, interest/accrual, payment, fee, and GL-related data.

Develop automated validation, reconciliation, balancing, and exception-management processes.

Participate throughout the full conversion lifecycle: data analysis, mapping, development, testing, mock conversions, production cutover, and post-conversion validation.

Troubleshoot complex conversion defects and perform root-cause analysis across source data, transformation logic, and target systems.

Support mock and production conversion weekends, including execution, validation, reconciliation, and issue resolution.

Build reusable conversion tools and automation to improve quality, efficiency, and scalability.

Work directly with Conversion teams, technical teams, client SMEs, and banking resources to resolve data and conversion issues.

Required Experience

Strong development experience with Go (Golang).

Data and ETL side coming out of payments and banking domain.

Hands-on experience with banking data conversions, migrations, ETL, or large-scale data transformation.

Strong SQL and data analysis skills.

Working knowledge of core banking concepts, including deposits, loans, customers, transactions, balances, interest/accruals, payments, and GL.

Experience with data mapping, transformation, reconciliation, validation, and exception handling.

Experience working with large, complex financial datasets.

Strong troubleshooting and problem-solving skills.