Top Tech Jobs & Startup Jobs

2 Months AgoSaved
Hybrid
O'Fallon, MO, USA
200K-330K Annually
Expert/Leader
200K-330K Annually
Expert/Leader
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Leads Mastercard’s enterprise platform engineering strategy across CI/CD, cloud infrastructure, Kubernetes, infrastructure automation, developer platforms, and secure software delivery. The role establishes engineering standards, advances cloud-native adoption, improves reliability and productivity, embeds security controls, and drives platform modernization. Responsibilities include executive partnership, KPI ownership, organizational transformation, and building high-performing engineering teams. Candidates need extensive enterprise engineering leadership, deep platform and DevOps expertise, cloud experience, strong technical knowledge, and the ability to influence strategic technology decisions.
Top Skills: Api ArchitecturesAWSAzureC#Ci/CdContainer SecurityDistributed SystemsGoInfrastructure As CodeInfrastructure As Code ScanningJavaKubernetesMicroservicesObservabilityPipeline As CodePolicy As CodePythonSastScaSecret Scanning
Reposted 2 Months AgoSaved
Hybrid
O'Fallon, MO, USA
122K-207K Annually
Senior level
122K-207K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Design and deliver secure, scalable cloud and hybrid-cloud platform architectures. Produce Technical Architecture Documents, evaluate cloud and AI platform services, architect container/orchestration solutions, ensure security and observability, perform root cause analysis, and lead regional projects and stakeholder collaboration to meet availability, resiliency, and compliance standards.
Top Skills: Amazon BedrockApplication ServersAWSAzureClaude CodeContainersKubernetesMicrosoft VisioPrivate CloudWeb Servers
Reposted 2 Months AgoSaved
Hybrid
Harrison, NY, USA
164K-271K Annually
Senior level
164K-271K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead execution of North American B2B secular shift programs to drive card adoption and spend. Manage cross-functional stakeholder alignment, KPI reporting, pilots, scaling initiatives, market and customer insights, and commercial execution with Sales, Product, Partnerships, analytics, risk, and operations to deliver measurable growth.
Reposted 2 Months AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Senior Software Engineer will enhance authorization response time in Mastercard's Transaction Switching program, focusing on performance testing and improvements in a collaborative Agile environment.
Top Skills: CC++DynatraceLinuxPerlPythonShell ScriptingSplunkTcl
2 Months AgoSaved
Hybrid
New York, NY, USA
156K-265K Annually
Expert/Leader
156K-265K Annually
Expert/Leader
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Leads product strategy, discovery, roadmap execution, backlog management, and feature prioritization for Mastercard’s technology cost transparency platform. Partners with Engineering, Finance, Product, and Operations to translate business and financial requirements into technical capabilities, user stories, and delivery plans. Oversees dependencies, releases, platform performance, adoption metrics, stakeholder reviews, and continuous improvement across enterprise technology initiatives.
Top Skills: Aha!APIsConfluenceDomoJIRALookerPower BITableau
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2 Months AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Design, develop, deploy, and operate resilient Java-based cloud applications and microservices supporting high-volume, real-time payment processing. Responsibilities include API and backend development, distributed systems architecture, observability, incident response, SRE practices, automation, security, performance optimization, capacity planning, resiliency testing, and production support. The engineer partners with cross-functional teams, promotes operational excellence, and mentors other engineers.
Top Skills: AesApache KafkaAWSAzureDockerDynatraceEvent-Driven ArchitectureGitGrafanaJavaJenkinsJunitKarateKubernetesMavenMicroservicesMockitoMongoDBOauth2OpentelemetryOraclePcfPostgresPrometheusRedisRest ApisRsaSplunkSpring BatchSpring BootSpring CloudSpring FrameworkTls/Pki
2 Months AgoSaved
Hybrid
Harrison, NY, USA
204K-325K Annually
Senior level
204K-325K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Provide privacy and data protection counsel for blockchain, digital assets, crypto payments, stablecoins, fraud, and emerging payment products. Advise business, product, compliance, security, and legal teams; support BVNK integration; develop privacy controls and governance; negotiate privacy terms in contracts; monitor global regulatory developments; and deliver privacy and cybersecurity training.
Top Skills: BlockchainCrypto PaymentsDigital AssetsEmbedded FinanceIdentity VerificationPrivate BlockchainsPublic BlockchainsStablecoins
Reposted 2 Months AgoSaved
Hybrid
Atlanta, GA, USA
83K-132K Annually
Senior level
83K-132K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Senior Sales Engineer supporting pre-sales for Mastercard Identity in North America. Act as product expert to qualify prospects, design technical solutions, run proofs of value, provide training, create documentation, present at events, and relay customer feedback to Product. Leverage data science and machine learning knowledge, API/web architecture expertise, Python and SQL skills, and strong communication to drive sales and ensure smooth onboarding.
Top Skills: APIsData ScienceMachine LearningPythonSQL
Reposted 2 Months AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead architecture and delivery of production-grade generative AI systems: multi-agent orchestration, multimodal transformers, RAG/Graph-RAG, LLM fine-tuning and LLMOps, inference microservices, responsible AI, and continuous model improvement to drive enterprise-scale outcomes.
Top Skills: Amazon BedrockAnthropicAutogenAws NeptuneAws SagemakerAzure OpenaiBertClipCrewaiDatabricksFalconFastapiFeature StoreGcp Vertex AiGeminiGpt-4OHugging FaceLangchainLanggraphLlamaLlavaLoraMistralMlflowNeo4JOpenaiOpensearchPeftPgvectorPineconePythonPyTorchRlhfSQLT5TensorFlowWeights & BiasesWhisper
Reposted 2 Months AgoSaved
Hybrid
O'Fallon, MO, USA
Senior level
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Senior Site Reliability Engineer will enhance service reliability, implement CI/CD using various tools, automate processes, and mentor junior resources.
Top Skills: ArtifactoryBitbucketCC++ChefGitGoJavaJenkinsMavenPerlPythonRuby
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