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I'm Chad Badem, a Senior C#/.NET contractor with 19+ years delivering cloud-native financial platforms and high-volume transaction processing solutions for banking and fintech. I specialise in Azure-based microservices, event-driven architectures, and scalable payment systems that handle millions of daily transactions. I've led engineering teams, modernised architectures from monoliths to microservices, and built secure, auditable cloud platforms on Azure and AWS. I’m open to Inside IR35 and Outside IR35 contract opportunities.…I'm Chad Badem, a Senior C#/.NET contractor with 19+ years delivering cloud-native financial platforms and high-volume transaction processing solutions for banking and fintech. I specialise in Azure-based microservices, event-driven architectures, and scalable payment systems that handle millions of daily transactions. I've led engineering teams, modernised architectures from monoliths to microservices, and built secure, auditable cloud platforms on Azure and AWS. I’m open to Inside IR35 and Outside IR35 contract opportunities.

Chad Badem

Back-End Developer, Full Stack Developer, Web Developer, +2

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I'm Chad Badem, a Senior C#/.NET contractor with 19+ years delivering cloud-native financial platforms and high-volume transaction processing solutions for banking and fintech. I specialise in Azure-based microservices, event-driven architectures, and scalable payment systems that handle millions of daily transactions. I've led engineering teams, modernised architectures from monoliths to microservices, and built secure, auditable cloud platforms on Azure and AWS. I’m open to Inside IR35 and Outside IR35 contract opportunities.…I'm Chad Badem, a Senior C#/.NET contractor with 19+ years delivering cloud-native financial platforms and high-volume transaction processing solutions for banking and fintech. I specialise in Azure-based microservices, event-driven architectures, and scalable payment systems that handle millions of daily transactions. I've led engineering teams, modernised architectures from monoliths to microservices, and built secure, auditable cloud platforms on Azure and AWS. I’m open to Inside IR35 and Outside IR35 contract opportunities.

Available to hire

I’m Chad Badem, a Senior C#/.NET contractor with 19+ years delivering cloud-native financial platforms and high-volume transaction processing solutions for banking and fintech. I specialise in Azure-based microservices, event-driven architectures, and scalable payment systems that handle millions of daily transactions.

I’ve led engineering teams, modernised architectures from monoliths to microservices, and built secure, auditable cloud platforms on Azure and AWS. I’m open to Inside IR35 and Outside IR35 contract opportunities.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Senior Software Developer Contractor at NewDay

October 1, 2024 - Present

Developed customer communications for overlimit alerts, persistent debt notifications, and account messaging platforms. Delivered integrations with Salesforce, IMI, ATC, Paragon, and internal issuing platforms using event-driven microservices. Improved platform security by migrating secrets management to Azure Key Vault and Azure App Configuration. Enhanced CI/CD pipelines using GitHub Actions and Octopus Deploy. Supported Cosmos DB recovery testing, PACT testing, and production incident resolution across high-volume systems. Contributed to migration and processing improvements for over 2.1 million customer communication records. Used AI-assisted development tools including Copilot and Claude.

Team Lead Contractor at Thredd

April 1, 2022 - October 1, 2024

Led teams of 6 engineers delivering payment platform integrations and fraud prevention systems. Designed and delivered a high-performance fraud gateway integrating Featurespace with internal payment systems. Delivered real-time and batch fraud processing handling over 1 million daily transactions with sub-10ms response times. Contributed to migration of a legacy payment processing platform toward microservices architecture. Improved test coverage, modernised business logic, and reduced dependency on stored procedures. Designed and developed an internal payment certification testing platform used for Visa and Mastercard certification. Delivered event-driven reporting solutions using AWS, Snowflake, and Power BI.

Senior Software Developer Contractor at NewDay

October 1, 2017 - April 1, 2022

Delivered cloud-native APIs and microservices supporting digital transformation initiatives for a 5M+ customer credit card platform. Supported and enhanced mobile and web APIs handling over 8 million requests daily. Designed and developed internal web applications and integrations using ASP.NET MVC, React, and .NET Core. Delivered Mastercard chargeback integrations and online dispute management solutions. Implemented Open Banking integrations using Azure Functions, IdentityServer4, and Cosmos DB. Delivered GDPR migration and compliance solutions using Azure Data Factory and serverless Azure architecture. Contributed to migration from monolithic applications toward microservices and domain-driven architecture.

Senior Software Developer Contractor at Madgex

July 1, 2017 - October 1, 2017

Supported and improved multinational job board management platforms. Improved performance, stability, and code quality through refactoring and defect resolution. Delivered backend and frontend enhancements within Agile development teams.

Senior Software Developer Contractor at Gardiff Group

January 1, 2017 - July 1, 2017

Designed and developed cloud reporting solutions for EPOS systems. Delivered migration from WinForms to WPF and MVC-based applications. Implemented REST APIs, Azure integrations, and mobile solutions using Xamarin.

Senior Software Developer at MVG Media

December 1, 2016 - January 1, 2017

Delivered full-stack development for large-scale e-commerce administration platforms supporting over 600 websites. Developed new features across backend systems and administration portals.

Software Developer at Sberbank

August 1, 2012 - September 1, 2016

Supported and enhanced card issuing, payment gateway, and transaction processing systems handling 1.5 million daily transactions. Delivered Visa, Mastercard, and UnionPay integrations. Designed and developed prepaid card management and ATM integration platforms. Built inhouse Mifare prepaid card management system including ATM integration. Contributed to migration of payment systems from desktop applications to modern web platforms.

Software Developer at AsyaBank

October 1, 2006 - November 1, 2011

Developed and supported ATM banking and transaction processing systems. Delivered ATM platform modernisation and TCP/IP communication improvements. Contributed to online banking migration initiatives and third-party integrations.