53 security software engineer jobs at 25 companies in Connecticut

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2w
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Security Software Engineer
Utah or New York or California or Texas or Colorado or New York City or San Francisco or Connecticut or Illinois or District of Columbia or Maryland or Massachusetts or New Jersey or Washington or Virginia or Alaska
$102k-$214k/yr RemoteFull Time
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
Build and maintain tooling and environments for threat research; experience with network inspection, virtualization, scripting (Lua/Python), regex/PCRE, web apps, APIs, databases, containers.
Wireshark, tcpdump, Moloch, VMware, VirtualBox, KVM, Lua, Python, PCRE, React, PostgreSQL, ES, MongoDB, Docker, Kubernetes
2w
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Principal Security Engineer
Greenwich, Connecticut, United States
$160k-$210k/yr OnsiteFull Time
Libertas Funding
Libertas Funding: Provides revenue-based financing and term loans to small businesses.
7+ YOE7+ years in security and software engineering with hands-on DevSecOps and cloud security; experience with identity and access management, network and endpoint security, offensive security, CI/CD and IaC tooling.
Okta, Microsoft 365, Google Workspace, AWS, Terraform, OPA, CI/CD, NIST CSF, OWASP
2mo
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Senior Security Engineer, Infrastructure
United States or California or New York or Connecticut or New Jersey or Washington or Oregon or Delaware or Maine or Massachusetts or Maryland or New Hampshire or Rhode Island or Vermont or District of Columbia or Pennsylvania or Virginia or Colorado or Texas or Illinois or Hawaii
$192k-$242k/yr RemoteFull Time
Instacart
InstacartNasdaq: CART: Provides grocery delivery and retail technology solutions.
5+ YOE5+ years security engineering experience, 3+ years code/design review experience, proficiency in Python/Go/TypeScript, IaC experience (Terraform/CloudFormation), knowledge of security bug classes, SaaS threat models, and coaching ability.
Python, Go, TypeScript, Terraform, CloudFormation, OPA/Rego, Terraform Sentinel, Wiz, Prisma
1w
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Development Engineer Software
Danbury, Connecticut, United States
$105k-$120k/yr OnsiteFull Time
Belimo
BelimoSIX Swiss Exchange: BEAN: Develops and manufactures control devices for HVAC systems.
5+ YOEBSc/MSc in CS/EE or related,5+ years leading embedded software projects,experience with RTOS,Matlab/Simulink,Redfish REST API and data center protocols,knowledge of OCP security standards.
RTOS, Matlab, Simulink, Redfish REST API, Open Compute Project (OCP)
3d
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Senior Software Development Engineer
Illinois or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or Rhode Island or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$83k-$222k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOE5+ years software engineering with Java/JEE and Spring Boot, 3+ years Kafka, CI/CD, Docker/Kubernetes, 2+ years cloud experience (GCP preferred); strong data migration, ETL, security and healthcare integration experience.
Java, JEE, Spring Boot, Spring Cloud, Apache Kafka, Python, Spring Batch, GCP, GKE, Cloud Run, Cloud Build, Cloud SQL, Pub/Sub, IAM, Secret Manager, OpenTelemetry, Docker, Kubernetes, SQL, NoSQL, OAuth 2.0, OIDC, TLS, Dataflow, Git
3w
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Senior Application Security Engineer
Seattle or Los Angeles or San Francisco or California or Colorado or Connecticut or Delaware or Hawaii or Illinois or Maine or Maryland or Massachusetts or Minnesota or Nevada or New Jersey or New York or Rhode Island or Virginia or Washington or Washington DC or United States
$141k-$259k/yr OnsiteFull Time
Nordstrom
Nordstrom: Operates luxury department stores and off-price retail outlets.
4+ YOE4+ years in application security or related field; experience shipping security tooling and automation; expert threat modeling, security design review, and manual code review; fluent reading/writing code in Java, Kotlin, C#, or Python; cloud-native and LLM/AI security knowledge.
Java, Kotlin, C#, Python, SAST, SCA, DAST, secrets scanning, GitHub Advanced Security, JFrog Artifactory, AWS, GCP, Azure, Kubernetes, LLM
2w
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Senior Software Engineer, Test (Org Modeling)
United States or California or Connecticut or District of Columbia or Maryland or Massachusetts or New Jersey or New York or Virginia or Washington
$114k-$183k/yr RemoteFull Time
ServiceTitan
ServiceTitanNASDAQ: TTAN: Cloud-based business management software for home service contractors.
Engineer and architect test and quality systems across unit, integration, E2E, performance, contract, chaos, and security testing; strong coding (C#, Java, Python), CI/CD, load testing, SQL, observability, and AI tooling experience.
GitHub Actions, TeamCity, Jenkins, PostgreSQL, MS-SQL, Git, C#, Java, Python, SQL, CI/CD
3w
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Principal Cybersecurity Software Engineer P4 (Onsite)
East Hartford, Connecticut, United States
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEU.S. citizen able to obtain/maintain DoD Secret clearance; Bachelor\u0002s in STEM; 8+ years engineering experience (or advanced degree +5); experience in embedded cybersecurity, architecture, vulnerability assessments, and security tooling.
NIST Cybersecurity Framework (CSF), Risk Management Framework (RMF), Avionics Secure Software Development Lifecycle (SSDLC), MIL-STD-516, DO-178
2mo
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Junior Software Engineer - Automation & Integration
Ridgefield, Connecticut, United States
OnsiteFull Time
Fletcher Development
Fletcher Development: Builds luxury custom homes and provides residential estate management services.
Backend development in .NET (C#) and Python; REST APIs; databases; payments security; AI tooling.
.NET (C#), Python, REST APIs, PostgreSQL, SQL Server, Stripe, QuickBooks API, OneSignal, Twilio, SendGrid, Copilot
1mo
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Product Software Engineer II
Bristol or Glendale
$118k-$158k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
3+ YOE3+ years of backend or full-stack development, Java/JVM, REST APIs, NoSQL data stores, agile environment, scalable secure systems.
Java, REST, NoSQL, AWS, CI/CD
2mo
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Manager, Software Engineering
United States or Austin or Tampa or California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Maine or Massachusetts or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington
$150k-$220k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
10+ YOE3+ MgmtBachelor's in CS/CE/IT or equivalent; 10+ years software development experience; 3+ years engineering management; expertise in distributed client-server architectures, CI/CD, web UI, caching, key-value stores, API design, and security.
NinjaOne, Java, Kotlin, C++, Golang, Postgres, AWS, CI/CD
5d
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Software Development Consultant, Java/Angular/Azure
Hartford, Connecticut, United States
$118k-$147k/yr OnsiteFull Time
Voya Financial
Voya FinancialNYSE: VOYA: Provides retirement, investment, and insurance products and services.
8+ YOE5+ Mgmt8+ years software engineering including 5+ years technical leadership; strong Java/Spring/REST, Azure and Angular experience; web security (SSO,SAML,JWT,OAuth,OWASP); Agile, CI/CD and cloud deployment skills.
Java, JEE, Spring Framework, Spring Boot, REST/JSON, SSO, SAML, JWT, OAuth, OWASP, Azure, Angular, JavaScript, OpenShift, ARO, GitHub, CI/CD, Jenkins, TDD, Oracle
1mo
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AI Agent Engineer
Stamford, Connecticut, United States
$140k-$180k/yr HybridFull Time
Valitana
Valitana: SaaS platform for institutional investment analytics and management.
3+ YOE3+ years software development experience with Python, hands-on LLM API experience (Anthropic/OpenAI), prompt/context engineering, multi-agent orchestration, security-first mindset, prototyping and production experience, and a bachelor's in a related field.
Python, Anthropic, OpenAI, C#, Angular, SQL Server, Markdown, MCP servers, LLM
1mo
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Principal Drupal Engineer
Old Saybrook, Connecticut, United States
HybridFull Time
4AllPromos
4AllPromos: Online retailer of customized promotional products and corporate gifts.
8+ YOE8+ years software engineering with deep Drupal (8-11) and PHP expertise; strong SQL (MariaDB/MySQL), Git/CI-CD, Composer/Drush, AWS familiarity, web security, front-end (HTML5/CSS3/JavaScript), and experience with AI-assisted dev tools.
Drupal, Composer, Drush, PHP, Symfony, MariaDB, MySQL, Git, CI/CD, AWS, Claude Code, OpenAI Codex, GitHub Copilot, Cursor, JSON:API, GraphQL, React, Vue, Next.js, HTML5, CSS3, JavaScript, OWASP
2mo
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IAM Operations Engineer
Hartford, Connecticut, United States
$127k-$209k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
4+ YOE4 years IT security or software engineering; bachelor’s degree; IAM tools experience; ability to work off hours.
Okta SSO, SailPoint, Autosys, LDAP, SQL, F5, Active Directory, Azure, ServiceNow, AI, Perl, Shell, PowerShell
3d
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Senior Appian Developer
Connecticut or Alabama or California or Florida or Georgia or Kansas or Kentucky or Louisiana or Maine or Maryland or Massachusetts or North Carolina or Oregon or Rhode Island or South Carolina or Texas or Virginia or West Virginia or New Jersey or District of Columbia
RemoteFull Time
Atlas Technologies
Atlas Technologies: Delivers secure networking and cybersecurity solutions to defense agencies.
5+ YOE5+ years Appian experience, Appian Certified Senior/Lead Developer, Security+ CE, bachelor\u000degree in CS/IT or equivalent, advanced SQL/PLSQL, REST/SOAP/JSON/XML expertise, U.S. citizenship and required security clearance.
Appian, PeopleSoft, Oracle, SQL, PL/SQL, REST, SOAP, JSON, XML, Java, JavaScript, OAuth 2.0, SAML
4d
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Senior Developer RPA
Wellesley or Hartford or Milwaukee or Kansas City or Portland
$101k-$152k/yr OnsiteFull Time
Sun Life
Sun LifeToronto Stock Exchange: SLF: Provides insurance, retirement, and asset management services globally.
7+ YOE7+ years enterprise automation experience with strong UiPath expertise; Bachelor's or equivalent experience; experience with Orchestrator, unattended automation, secure credential patterns, integrations, and VM/runtime environments.
UiPath, UiPath Studio, UiPath Orchestrator, AWS Bedrock, BeyondTrust
3w
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Senior Frontend Engineer (React.js / Micro Frontends)
Stamford, Connecticut, United States
$145k-$175k/yr OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
5+ YOE5+ years frontend experience with React.js, JavaScript (ES6+), HTML5/CSS3, state management (Zustand/Redux/Context API), testing (Jest/React Testing Library), RESTful APIs, Microsoft Azure/Azure DevOps, CI/CD, module federation/micro frontends, performance, security, and accessibility.
React.js, JavaScript (ES6+), HTML5, CSS3, Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom, Zustand, Redux, Context API, Jest, React Testing Library, RESTful APIs, Microsoft Azure, Microsoft Azure DevOps, CI/CD, module federation, Docker, Next.js, DevExtreme DataGrid, ExcelJS
4d
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Field Service Engineer I
Northford, Connecticut, United States
$30-$37/hr RemoteFull Time
Honeywell
HoneywellNASDAQ: HON: Manufactures aerospace products, building technologies, and industrial control systems.
1+ YOEMinimum 1 year troubleshooting software or security equipment in-call center or in-field, High School/GED required; networking, TCP/IP, SQL/DB and security domain knowledge valued.
3mo
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Research Technology Engineer
New Haven, Connecticut, United States
$90k-$135k/yr OnsiteFull Time
Yale University
Yale University: Provides higher education and conducts research across various disciplines.
4+ YOEProvide advanced technical services; serve as SME; coordinate, install and maintain hardware/software/network systems; ensure security/compliance; Bachelor's and four years experience.
Laboratory equipment, Networking, Server administration, Data storage