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377 senior application developer jobs at 210 companies in Fairfield, CT

1mo
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Application Developer
Bronx, New York, United States
$115k/yr OnsiteFull Time
City of New York
City of New York: Provides municipal services and administration for New York City.
5+ YOE5+ years .NET development experience with C#, web/client-server development, Microsoft Azure services, Oracle or Microsoft SQL Server, SDLC (Agile/Waterfall), and production support; bachelor’s degree preferred or equivalent experience.
Oracle, Microsoft SQL Server, C#, .NET, .NET (4.5), .NET (4.7), .NET (4.8), .NET Core, MVC, ADO.NET, Web Services, Web APIs, HTML5, CSS, JavaScript, jQuery, Bootstrap, WPF, MVVM, XAML, PHP, ASP, Python, Telerik UI, Node.js, React, Azure App Service, Azure Functions, Azure WebJobs, Azure Logic Apps, Azure Blob Storage, Microsoft Azure DevOps, Microsoft Active Directory, Microsoft SharePoint, Microsoft identity platform
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Senior Application Security Engineer
Los Angeles or New York or San Francisco
$165k-$190k/yr HybridFull Time
Tatari
Tatari: A platform for buying and measuring TV advertising campaigns.
Production Python experience, strong hands-on application security (SAST/DAST/SCA), threat modeling, CI/CD automation, container/AWS/Kubernetes security, API security, and LLM risk mitigation.
Python, Java, Rust, AWS, Kubernetes, CI/CD, SAST, DAST, SCA, OWASP Top 10, API Security Top 10, ASVS, SPVS, AISVS, LLM
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Senior Application Security Engineer
United States or Canada or San Francisco or New York City or Seattle
$190k-$273k/yr RemoteFull Time
Apollo.io
Apollo.io: AI-powered platform for B2B sales intelligence and outreach automation.
5+ YOE5+ years software engineering or application security experience; strong coding skills (Ruby, Python), Linux and GCP familiarity, deep AppSec/vulnerability management, pen-testing and SAST experience, AI security, and strong communication.
Ruby, Python, Linux, GCP, SAST
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Senior Application Engineer I
Boston or Chicago or New York City or Los Angeles or Washington
$133k-$183k/yr HybridFull Time
Kirkland & Ellis
Kirkland & Ellis: Provides legal services for corporate, litigation, and transactional matters.
8+ YOE8+ years in advanced application support/configuration, experience with e-discovery platforms, APIs/ETL, Microsoft SQL, Linux, REST APIs, PowerShell; bachelor's in CS or equivalent; strong problem solving and communication.
Relativity Server/One, Reveal, BrainSpace, Microsoft SQL, Linux, REST APIs, PowerShell, ETL
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1d
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Senior Application Security Engineer
London or New York or Pune or Toronto
$125k-$165k/yr OnsiteFull Time
TripleLift
TripleLift: Programmatic advertising platform for high-quality digital ad experiences.
5+ YOE5+ years application security experience; hands-on SAST/DAST/SCA, CI/CD integration, pentesting, threat modeling, secure coding guidance, and AWS security controls.
GitHub Advanced Security (GHAS), CodeQL, Burp Suite, OWASP ZAP, Snyk, Checkmarx, Veracode, Python, Java, TypeScript, Go, IAM, VPC, KMS, GuardDuty, CloudTrail, Claude
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4d
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Senior Application Security Engineer
Independence or Cleveland or Kansas City or Phoenix or Tampa or Nashville or New Haven or Hartford
HybridFull Time
CBIZ
CBIZNYSE: CBZ: Provides financial, tax, and business advisory services to organizations.
8+ YOECollege degree, 8+ years related experience, expert technical knowledge in application and AI security, ability to lead teams, travel and on-call availability, strong verbal and written communication.
STRIDE, PASTA, MITRE ATLAS, OWASP Top 10, CWE Top 25, SANS 25, Semgrep, CodeQL, SonarQube, Checkmarx, Veracode, Burp Suite, OWASP ZAP, Snyk, Black Duck, GitHub Actions, GitLab CI, Azure DevOps, Jenkins, Microsoft Azure, AWS, Kubernetes, CNAPP, REST, GraphQL, OAuth 2.0, OIDC, SAML, CVSS, NIST AI RMF, EU AI Act, ISO/IEC 42001, MITRE ATT&CK, SBOM, Python, Java, C#/.NET, JavaScript/TypeScript, Go
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Senior Application Security Engineer
New York, New York, United States
$220k-$235k/yr HybridFull Time
Savvy Wealth
Savvy Wealth: Digital wealth management platform for financial advisors.
5+ YOE5+ years hands-on security engineering with application/product security, strong coding skills, AppSec toolchain experience (secrets, SCA, SAST), cloud (AWS/GCP) and Cloudflare experience, OAuth/SaaS hardening, GitHub/CICD security, and strong communication.
AWS, GCP, Cloudflare, Google Workspace, GitHub, Rippling, Slack, Claude
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Staff Application Security Engineer
San Francisco or New York City or Pittsburgh
$228k-$290k/yr HybridFull Time
Abridge
Abridge: Automates medical documentation through AI-powered speech analysis
10+ YOE10+ years in application security, expertise in threat modeling, secure code review, vulnerability management, incident response, programming (Python, NextJS), cloud security (GCP), Kubernetes, and AI/ML security; strong communication and leadership skills.
Python, NextJS, GCP, Kubernetes
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2w
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Application Developer Level 4
Jamaica, New York, United States
$76k-$109k/yr OnsiteFull Time
Metropolitan Transportation Authority
Metropolitan Transportation Authority: Operates public transportation systems in the New York region.
8+ YOEAdvanced programming and secure coding, Windows/Linux and internet technologies, leadership and troubleshooting, bachelor’s degree or 10+ years experience, minimum 8 years applying programming logic, availability for production issues outside work hours.
Windows, Linux
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Sr Lead Application Developer
Iselin or Charlotte or New York City
$128k-$174k/yr HybridFull Time
TIAA
TIAA: Provides retirement and financial services for academic and non-profit sectors.
5+ YOEBachelor's degree required; 5+ years buy/sell-side experience; strong Java/J2EE, WebLogic, SQL, Unix, AWS (multiple services), Spring Boot/Angular/React/C#, CI/CD, Python scripting, and technical documentation skills.
Java, J2EE, WebLogic, Middleware, SQL, Unix, AWS EC2, AWS EBS, AWS S3, AWS Lambda, AWS EKS, AWS DMS, AWS Kinesis, AWS SQS, AWS SNS, AWS Athena, AWS QuickSight, AWS CodeBuild, AWS CodeCommit, AWS CodeDeploy, Micro Services, Angular, AngularJS, C#, Spring Boot, React, RDS, Oracle, SQL Server, MySQL, MongoDB, PostGre, Electric Flow, Ansible, Puppet, Jenkins, GitHub, Git, Maven, Docker, Atom, Python, Microsoft Visio, Microsoft PowerPoint, Sterling Integrator, AutoSys, DataStage, Eagle STAR, Eagle PACE, API Gateway, IAM, VPC, PRISM Alerts
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2mo
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Application Engineer - US
New York City or Washington, D.C.
$140k-$170k/yr OnsiteFull Time
Gibson Dunn
Gibson Dunn: A leading global law firm providing strategic legal services.
8+ YOE8+ years enterprise applications experience; strong PowerShell, SQL, Windows/Linux; familiarity with iManage, Litera, Intapp Walls, Boomi; cloud experience (AWS/Azure); Office 365 administration.
iManage, Intapp Walls, Intapp Integrate, Boomi, Litera CAM, Microsoft SQL, T-SQL, Windows, Linux, AWS, Azure, REST APIs, PowerShell
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3w
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Vice President, Application Engineer
New York City, New York, United States
$162k-$215k/yr HybridFull Time
BlackRock
BlackRockNYSE: BLK: Provides investment management and financial technology services globally.
8+ YOEB.S./M.S. in CS or related, 8+ years experience, strong Java/Spring skills, front-end framework experience, concurrent/distributed systems knowledge, relational DB experience, git and maven proficiency, leadership and communication skills.
Java, Spring Framework, Spring Boot, React, Vue.js, Angular, git, maven, Python, Golang, MS SQL, Sybase, Mongo, Ignite, gRPC, REST, Microsoft Azure, AWS, Google Cloud, Azure DevOps, Open Container Initiative (OCI)
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3d
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Tech Lead - Application Development N 4C
New York, New York, United States
$60k-$75k/yr HybridFull Time
Genpact
GenpactNYSE: G: Provides business process management and digital transformation services.
Lead a developer team to design, develop, and implement applications; collaborate with stakeholders; enforce coding standards; review and troubleshoot code; relevant CS/IT degree and technical certifications preferred.
Agile Methodology, Security/GRC, Security Information, Security System
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2mo
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Lead Application Security Engineer
New York, New York, United States
$190k-$250k/yr OnsiteFull Time
Apollo Global Management
Apollo Global ManagementNYSE: APO: Global alternative asset manager providing investment and retirement solutions.
10+ YOE10+ years in application security; strong software development background; experience with SCA/SAST/DAST, secure SDLC; familiarity with cloud, leading security standards; CISSP/CSSLP etc preferred.
SCA, SAST, DAST, Snyk, GitHub, Burp Suite
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1w
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Senior Field Application Engineer, International Programs
New York City, New York, United States
$129k-$161k/yr OnsiteFull Time
Persistent Systems
Persistent Systems: Develops and manufactures secure mobile ad hoc networking systems.
Experience with RF communications, network/MANET systems, IP routing, test plan development, customer-facing integration, and ability to travel up to 25%. Ability to obtain or possess Secret US security clearance.
Python, C, C++, Java, Cloud RF, Wireshark, MATLAB
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2mo
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Senior Security Engineer, Application Security
Bellevue or Menlo Park or New York or Toronto
$146k-$220k/yr HybridFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
5+ YOE5+ years in application security or related field; experience with secure SDLC and threat modeling; production-grade Python/Go experience; collaboration with engineers; reliability and incident response focus.
Python, Go
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2mo
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Senior Product Engineer
New York, New York, United States
$160k-$205k/yr HybridFull Time
VIA
VIA: Provides secure decentralized identity and data privacy software solutions.
5+ YOE5+ years building production web applications; strong TypeScript with React/Next.js; API contracts and backend integrations; startup experience; AI-assisted development.
Next.js, TypeScript, Tailwind, Turborepo, Python, Django, PostgreSQL, Medplum, FHIR, AWS, Kubernetes, Terraform, Datadog, Github Actions, Google, Anthropic, OpenAI
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EWM SAP IT Application Engineer
Wilton or Eindhoven or Netherlands or Europe or Asia or North America
HybridFull Time
ASML
ASMLNASDAQ: ASML: Manufactures lithography systems used to print patterns on wafers.
8+ YOEBachelor's degree required, 8+ years in application development or enterprise systems, deep SAP/EWM/S4HANA experience, technical leadership, change management, US work authorization without sponsorship, clean-room work possible.
Agile Release Trains, SAP/ERP, EWM, SAP S/4HANA
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Sr. Data & AI Application Engineer (59_2026.2)
New York, New York, United States
$165k-$180k/yr OnsiteFull Time
Affinity Solutions
Affinity Solutions: Provides consumer purchase insights through credit card transaction data analysis.
6+ YOE6+ years building enterprise applications with React/Next.js and Node.js, strong SQL and Python skills, experience with cloud data platforms (Snowflake/BigQuery/Redshift), REST APIs, and ML/AI integrations.
Snowflake, Snowpark, Snowflake Cortex, Streamlit, Python, SQL, ThoughtSpot, Next.js, React, Node.js, AWS Cognito, Claude API, MCP, Slack Bolt, AWS EC2, Bitbucket, JIRA, GenAI tools
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Staff Application Security Engineer
New York or Miami or United States
$168k-$240k/yr HybridFull Time
Gemini
GeminiNasdaq: GEMI: Regulated platform for trading and storing digital assets.
7+ YOEExpertise in threat modeling, secure design/code review, penetration testing, application security controls, familiarity with regulated environments, strong communication, and experience building AI security tooling.
Scala, Java, Go, Python, SLSA, OWASP SPVS, CI/CD
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