Top Tech Jobs & Startup Jobs

14 Days AgoSaved
Hybrid
Bogotá, Distrito Capital, COL
Entry level
Entry level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Partners with business divisions on budgeting, forecasting, financial modeling, reporting, variance analysis, revenue opportunities, and expense monitoring. Prepares monthly and annual financial reports, supports target and budget processes, consolidates data, resolves financial inquiries, and provides analytical guidance to management. Applies accounting principles and internal controls while collaborating with cross-functional stakeholders to improve business results.
Top Skills: ExcelMicrosoft Powerpoint
14 Days AgoSaved
Hybrid
Greystones, Wicklow, IRL
Entry level
Entry level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Leads major software engineering initiatives from strategy and business case development through delivery. Directs technology evaluations, proofs of concept, roadmaps, integrations, security enforcement, process improvements, and software development standards. Partners with business, legal, compliance, vendors, and global teams; manages scope, estimates, service-level agreements, and third-party integrations. Mentors engineers, guides agile delivery, and presents strategic recommendations to senior leadership. Travel of 10–20% may be required.
Top Skills: AgileAmazon Web ServicesC#Ibm DatapowerJavaJavaScriptLayer 7Message QueuesAzureMocking TechnologiesNoSQLOauthObject-Oriented ProgrammingOracleRestSAMLSoapSQL ServerUnit TestingVisio
14 Days AgoSaved
Hybrid
Leixlip, Kildare, IRL
Senior level
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Designs and develops scalable, cloud-native experimentation platforms and data-intensive analytics applications. Leads team-level architecture and design, builds services and APIs, develops Databricks and Spark data capabilities, and troubleshoots performance and reliability issues. The role includes full lifecycle software development, cross-functional collaboration, mentoring engineers, code and design reviews, automated testing, secure coding, observability, CI/CD, and production support.
Top Skills: SparkAWSCi/CdContainerizationDatabricksDistributed SystemsJavaKubernetesMicroservicesAzureObservabilityPysparkReactRestful ApisSpring BootSQLTypescript
14 Days AgoSaved
Hybrid
O'Fallon, MO, USA
170K-281K Annually
Expert/Leader
170K-281K Annually
Expert/Leader
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead Mastercard’s enterprise AI security strategy as the highest-level technical authority. Design security architectures, frameworks, standards, and secure development practices for AI systems, models, agents, LLM applications, and supporting infrastructure. Direct vulnerability assessments, red-team exercises, penetration testing, threat research, compliance alignment, governance, and remediation initiatives. Advise senior leadership, influence enterprise security direction, develop strategic recommendations, mentor technical teams, and lead proof-of-concept and innovation programs focused on emerging AI threats and defenses.
Top Skills: Adversarial Machine LearningAi AgentsArtificial IntelligenceCloud SecurityIsoLarge Language ModelsMachine LearningMitreNistOwaspPenetration TestingRed TeamingSecure Software Engineering
14 Days AgoSaved
Hybrid
Malahide, Dublin, IRL
Senior level
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Designs and develops scalable, cloud-native experimentation platforms and data-intensive analytics applications. Leads team-level system design, API and data-flow architecture, performance optimization, secure coding, testing, observability, CI/CD, and production readiness. Builds services and data pipelines using Java, Databricks, Spark, and modern cloud technologies. Collaborates with cross-functional teams, troubleshoots complex application and cloud issues, and mentors junior and mid-level engineers across the full software development lifecycle.
Top Skills: SparkAutomated TestingAWSAzureCi/CdCloud-Native ApplicationsContainerizationDatabricksDistributed SystemsJavaKubernetesMicroservicesObservabilityPysparkReactRestful ApisSpring BootSQLTypescript
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14 Days AgoSaved
Hybrid
Rathcoole, Dublin, IRL
Entry level
Entry level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Own product workstreams for Mastercard’s Test & Learn experimentation platform, using customer research, market insights, usage data, and stakeholder feedback to guide roadmap decisions. Partner with engineering, design, sales, marketing, and regional teams to deliver capabilities, support adoption, and improve go-to-market readiness. Identify AI opportunities, advise market-facing teams on product direction, contribute to positioning and launch plans, and mentor junior product professionals.
Top Skills: AIAnalyticsExperimentation PlatformsSaaS
14 Days AgoSaved
Hybrid
Singapore, SGP
Internship
Internship
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Supports Mastercard program evolution, customer engagement, compliance with standards, risk mitigation, investigative and reporting initiatives. Responsibilities include project management, process documentation, compliance case management, stakeholder communication, desktop research, trend analysis, KPI development, and cross-functional support. The intern uses analytical and business intelligence tools to identify vulnerabilities, improve programs, and communicate rules and best practices.
Top Skills: DomoMicrosoft AccessExcelMicrosoft PowerpointMicrosoft WordTableau
14 Days AgoSaved
Hybrid
Dundrum, Tipperary, IRL
Senior level
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Designs and develops scalable, cloud-native experimentation platforms and data-intensive analytics applications. Responsibilities include leading system design, building microservices and APIs, developing Databricks and Spark data capabilities, optimizing performance, troubleshooting across application and cloud layers, and delivering production-quality software. The role also mentors engineers, contributes to architecture and modernization initiatives, and improves engineering quality through testing, secure coding, observability, CI/CD, and reliability practices.
Top Skills: SparkAutomated TestingAWSAzureCi/CdContainerizationDatabricksJavaKubernetesMicroservicesObservabilityPysparkReactRestful ApisSpring BootSQLTypescript
14 Days AgoSaved
Hybrid
Greystones, Wicklow, IRL
Entry level
Entry level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Provides independent second-line oversight of technology, security, operational resilience, and control risks across European markets. Maintains technology risk and control frameworks, reviews control design and effectiveness, monitors remediation, develops risk metrics and reporting, supports governance forums, and engages with regulators. Requires experience in second-line risk oversight, enterprise risk frameworks, regulatory environments, senior stakeholder communication, and standards such as ISO or NIST CSF.
Top Skills: Grc ToolsIsoNist Csf
14 Days AgoSaved
Hybrid
Maynooth, Kildare, IRL
Entry level
Entry level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Own product workstreams for Mastercard’s Test & Learn experimentation platform, using customer research, market insights, usage data, and stakeholder feedback to guide roadmap decisions. Partner with engineering, design, sales, marketing, and regional teams to deliver capabilities, support adoption, and prepare launches. Identify AI opportunities, contribute to product positioning and enablement, advise market-facing teams, and mentor junior product managers.
Top Skills: AIAnalyticsExperimentation PlatformsSaaS
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