Software Engineer III

. Develop and deliver complex software requirements to accomplish business goals .

Posted 10/23/2026full-timeUnited StatesMid-LevelSenior💰 $102,900 - $179,900 per yearWebsite

Tools & technologies

ASP.NETDistributed SystemsETLKafkaMicroservicesMongoDBPythonReactSQL.NET

Key responsibilities & impact

Develop and deliver complex software requirements to accomplish business goals
Design, engineer, and mature the GBP strategic payments tracking and observability tool
Build .NET services and data engineering pipelines that ingest, enrich, and correlate payment events at scale
Code solutions in C#/.NET and unit test against acceptance and compliance requirements
Design, develop, and modify architecture components, application interfaces, and solution enablers
Build and maintain batch and streaming data pipelines for payment lifecycle data, ensuring data quality, lineage, and timeliness
Mentor software engineers and coach the team on CI/CD practices and automation
Execute story refinement, requirements definition, and delivery lifecycle estimation
Perform spikes and proofs of concept to mitigate risk or implement new ideas
Automate manual release activities
Design, develop, and maintain automated integration, regression, and performance test suites, including data validation and reconciliation checks

What you’ll need

Strong proficiency in C# and modern .NET, including ASP.NET Core
Experience building scalable, high-performance backend services and APIs
Hands-on experience with Python for data processing, ETL/ELT, automation, and integration scripting
Deep understanding of SQL and ability to design, optimize, and query large, complex relational databases
Experience with MongoDB, including schema design, performance tuning, and document-oriented data modelling
Proven data engineering experience designing and operating batch and streaming pipelines, such as Kafka
Experience with data modelling, data quality controls, and lineage
Strong capability in modern frontend development using React, including reusable component design and API integration
Understanding of microservices architectures, API design, and distributed systems patterns
Experience building and maintaining enterprise-grade platforms with high throughput and reliability requirements
Ability to design resilient systems with appropriate error handling, observability, and fault tolerance
Strong debugging and problem-solving skills across complex integrated systems
Experience delivering technical roadmaps, setting engineering standards, and guiding development best practices
Knowledge of development and testing practices, design patterns, and architectural patterns
Ability to work 40 hours per week on 1st shift in the United States of America

Comp & perks