Mastercard Senior Software Engineer

We are seeking an experienced Sr. Software Engineer to support the architecture, administration, modernization, and security of enterprise collaboration platforms and cloud-based applications supporting federal government initiatives. The ideal candidate will have extensive experience with SharePoint, Azure, Drupal, workflow automation, web application security, and federal compliance requirements. Responsibilities

• Architect, administer, configure, and maintain SharePoint on-premises and SharePoint Online environments.
• Plan and execute SharePoint migrations from on-premises environments to SharePoint Online.
• Configure, administer, and maintain Azure infrastructure, including virtual machines, resource groups, networking, and security settings.
• Configure and manage Power Gateway to support secure data connectivity.
• Install, configure, upgrade, and support Nintex K2 workflow automation solutions.

Configure, administer, and troubleshoot F5 Silverline Web Application Firewall (WAF), including proxy, SSL, threat profiles, and connectivity issues.

• Troubleshoot complex technical issues and provide advanced support for production environments., Build and maintain production SDKs (TypeScript, Python, Go) and integrations for AI agent frameworks and edge runtimes. Implement DNSid identity flows, cryptographic key lifecycle, middleware/plugins, testing and CI pipelines, package releases, and reference apps. Collaborate with Developer Advocates and technical writers while contributing upstream to third-party frameworks and shaping protocol specifications. Top Skills: A2ACertificate ChainsCi/CdCloudflare WorkersCrewaiDnsDns Operator ApisDnssecEd25519Es256Fastly ComputeGitGoGo Module ProxyGo ModulesHttp/1.1Http/2Jwk SetsJwtLangchainLanggraphLlamaindexMcpMicrosoft Agent FrameworkMtlsNpmOauth 2.0OidcOpenai Agents SdkPypiPythonSemantic VersioningSpiffe/SpireTlsTypescriptVercel EdgeWebassemblyWebid, ServiceNow

• 5+ years’ experience architecting, administering, patching, and configuring SharePoint on premises 2016/2019/SE/SPO.
• Experience configuring SharePoint Online and migrating SharePoint sites from on-premises to SharePoint Online.
• Experience configuring and managing Power Gateway
• 5+ years’ experience configuring and upgrading Nintex K2 automation
• Experience configuring and managing F5 Silverline Web Application Firewall (WAF) Proxy, SSL, Threat Profiles settings as well as trouble shooting firewall and connectivity issues.
• 5+ years’ experience supporting Drupal 8/9/10/11 in Azure, creating resource groups, provisioning VMs, and associated resources, managing firewall rules via Network Security Groups.
• 5+ years’ experience supporting FISMA security assessment and authorization activities.
• Experience managing servers in Azure
• Must be a U.S. Citizen.

4 Hours Ago Remote or Hybrid 143K-243K Annually Senior level 143K-243K Annually Senior level Artificial Intelligence * Cloud * HR Tech * Information Technology * Productivity * Software * Automation Build, design, deploy, and maintain high-performance, multi-tenant cloud services on Kubernetes. Write clean, scalable code, enforce engineering best practices, and own features end-to-end. Work with data-processing stacks (Kafka, Flink) and observability tools, collaborate with product owners, mentor engineers, and integrate AI-assisted development tools to accelerate delivery. Top Skills: Build ToolsClaudecodeDebuggerDevinFlinkIdeJavaKafkaKubernetesObservability StackProfilersServicenowSource ControlUnix, Mastercard, Yesterday Remote or Hybrid 115K-184K Annually Senior level 115K-184K Annually Senior level Blockchain * Fintech * Payments * Consulting * Cryptocurrency * Cybersecurity * Quantum Computing Design, build, test, deploy, and maintain scalable full-stack payment-processing applications using Java, Spring Boot and Angular. Develop RESTful APIs, automated tests, CI/CD and observability; troubleshoot production issues, optimize performance, ensure secure coding, participate in Agile ceremonies, perform code reviews, mentor engineers, and collaborate with product, architecture, and operations teams. Top Skills: AngularApi DevelopmentAutomated Testing (UnitCi/CdCloud-Native ArchitecturesContainerized DeploymentDevOpsDistributed Application ArchitecturesFunctionalIntegration)JavaObservability/Monitoring ToolsRestful ApisSpring Boot

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With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

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Remote position. Candidates must reside and work from one of the following states: AZ, FL, KS, VA, KY, MO, TN, TX, or GA. About nFocus Solutions nFocus Solutions is dedicated to the development of innovative technologies and intelligent business solutions for the public sector. We are a leading provider of applications, services, and technologies that nonprofit organizations, communities, first responders and government agencies rely on to deliver services to the public at large. Our high-quality data management and analysis software enable our clients to achieve clear, well-defined results that change the world. At nFocus Solutions, we are committed to a diverse and inclusive workforce. We believe that great minds think differently. We value diversity of backgrounds, beliefs, and interests, and we recognize diversity as an important source of innovation. nFocus Solutions is an equal opportunity employer and does not discriminate based on race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.