22 sr security software engineer jobs at 20 companies in Stratford, CT

1mo
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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
3w
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Sr. Embedded Software Engineer
Brooklyn or Armonk
$140k-$170k/yr HybridFull Time
Brightcore Energy
Brightcore Energy: Provides turn-key clean energy and efficiency solutions for commercial clients.
5+ YOE5+ years embedded/edge experience with industrial PCs and Linux; working knowledge of BACnet/Modbus; strong Python and/or C/C++ skills; security tooling and edge data logging experience; BS in related field or equivalent experience.
Linux, BACnet, Modbus, Python, C/C++, Docker
4w
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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)
1mo
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Principal Software Engineer (Health100 Platform)
Woonsocket or Hartford or Arizona or Texas or Georgia or New York or Massachusetts
$144k-$288k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
10+ YOE10+ years software development experience; 5+ years with Java, Spring Boot, and microservices; 2+ years with Kafka/event-driven platforms; 3+ years with cloud (GCP/Azure); experience with AI/generative AI and production engineering practices (security, resiliency, observability, CI/CD).
Java, Spring Boot, Microservices, Kafka, GCP, Azure, Google Cloud AI, CI/CD
1w
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Senior Software Engineer – Platform & Agentic AI Engineering
Charlotte or Hartford or Columbus or Chicago
$128k-$191k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides property and casualty insurance, group benefits, and wealth management.
6+ YOE6+ years software engineering experience with 2+ years in GenAI/multi-agent systems; hands-on with Agentic protocols, AlloyDB/Postgres, GCP, Python/Typescript, Terraform, and LangChain/LangGraph; strong security and spec-driven development skills.
Google ADK, Anthropic MCP, LangGraph, LangChain, Python, Typescript, Terraform, GCP, AlloyDB, PostgreSQL, Vertex AI, Cloud Run, Cloud Storage, LangSmith, GitHub Spec-Kit, OpenSpec, BMAD-METHOD, Claude Code, GitHub Copilot, AWS Kiro
3mo
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Advanced Embedded Security Engineer
Holtsville, New York, United States
$123k-$184k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
8+ YOEBachelor’s degree; 8+ years enterprise software security; threat analysis and risk assessments; security controls design; vulnerability management.
SAMM, BSIMM, Vulnerability Management Tools, Penetration Testing Tools, Linux, Windows, Embedded Systems, Cloud Security, DevOps
1mo
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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
1mo
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Staff Software Engineer II - Confluent Secure Compute
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle
$161k-$299k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
10+ YOE10+ years building scalable backend/infrastructure systems; deep Kubernetes and Go expertise; experience with multi-tenant security, observability, public cloud integrations; demonstrated technical leadership and mentorship.
Kubernetes, Go, gRPC, Protobuf, AWS, GCP, Azure, Kata Containers, Cloud Hypervisor, cgroups, seccomp
2d
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Staff Software Engineer - SaaS integrations,API Designs - Travel & Lifestyle Services
Phoenix or New York City
$144k-$256k/yr OnsiteFull Time
American Express
American ExpressNYSE: AXP: Global financial services and credit card payment network.
10+ YOE10+ years building and operating large-scale distributed systems, ownership of third-party/SaaS integrations, API design, resilience, data quality, security, and cross-team influence.
AWS
2w
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Mid-level Full Stack Software Developer- Onsite, West Point, NY
West Point, New York, United States
$95k-$125k/yr OnsiteFull Time
BluePath Labs
BluePath Labs: Provides consulting, research, and technical solutions for government missions.
5+ YOEBachelor's in CS/SE/CE/EE/ISYS or related, 5+ years experience, proficiency in JavaScript and Python, experience with Docker, Flask, React, Svelte, PlotlyDash, SQL, networking and security principles, U.S. citizenship, ability to obtain DoD Secret clearance.
JavaScript, Python, Docker, Flask, React, Svelte, PlotlyDash, SQL
1mo
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Sr GW Policy Center developer
Halifax or Teaneck
OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
8+ YOE8+ years experience developing Guidewire solutions using Gosu; building integrations and plugins; drafting technical specs; testing and resolving defects; familiarity with security/regulatory requirements and Agile/SAFe.
Gosu, Guidewire, SAFe Agile, Guidewire PolicyCenter
3w
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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
3d
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AI Engineer
Norwalk, Connecticut, United States
$135k-$168k/yr RemoteFull Time
Miller Electric Company
Miller Electric Company: Provides electrical and technology infrastructure construction and maintenance services.
5+ YOE5+ years software/application/data engineering experience, 2+ years hands-on AI/ML/generative AI experience, proficiency with Python/JavaScript/TypeScript/PowerShell/SQL, knowledge of LLMs, RAG, prompt engineering, APIs, and secure development.
Python, JavaScript, TypeScript, PowerShell, SQL, Microsoft 365, Azure, Power Platform, Copilot Studio, GitHub, M365 Copilot
1d
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Senior AI Engineer
Greenwich, Connecticut, United States
OnsiteFull Time
GXO
GXONYSE: GXO: Global provider of outsourced warehouse and supply chain management.
Bachelor's degree or equivalent experience; enterprise technology integration, LLMs, generative AI, Python, GCP, APIs, SDLC, Agile, and secure production AI application experience required.
Large Language Models (LLMs), ADK, LangChain, Google Cloud Platform (GCP), Python, Vertex AI, Cloud Run, BigQuery, Retrieval-Augmented Generation (RAG), HRIS, CRM, ERP, APIs, SDLC, Agile
3w
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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
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
1mo
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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
1mo
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Senior Agentic Identity Security Manager
Irving or Milwaukee or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego or Dallas
$80k-$294k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ years software engineering with Python, 3+ years OAuth 2.0/OIDC and agent framework experience, cloud/container/IaC/CI/CD expertise, Zero Trust/IGA/secrets management knowledge, MCP server experience, bachelor's degree or equivalent.
Python, OAuth 2.0, OIDC, DCR, PAR, token exchange, Claude Agent SDK, LangGraph, AutoGen, CrewAI, Semantic Kernel, MCP server, CyberArk, HashiCorp, AWS, GCP, Azure, Docker, Kubernetes, Terraform, CI/CD
1mo
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Vice President, Digital Engineering – Optum Consumer
Plymouth or Basking Ridge or Raleigh or Hartford or Washington or United States
$200k-$344k/yr HybridFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
15+ YOE5+ Mgmt15+ years software engineering experience with 5+ years senior engineering leadership; Bachelor’s or Master’s in CS/Engineering or equivalent; experience building large-scale consumer digital products, AI/ML integration, cloud (AWS/GCP/Azure), microservices, DevOps, and application security.
AI/ML, NLP, GenAI, AWS, GCP, Azure, Microservices, DevOps
1w
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Backend Engineer_AI Gateway
Englewood Cliffs or Plano
$11k/mo OnsiteContract
SBT Global
SBT Global: Provides integrated IT consulting and global logistics management services.
Deep expertise in async Python and network programming, cloud infrastructure, container orchestration, streaming data, security gateways, IAM/SSO, observability, and CI/CD.
asyncio, aiohttp, anyio, WebSocket, SSE, TLS, HTTP/2, HTTP/3, gRPC, FastAPI, Pydantic, Docker, AKS, EKS, GKE, Istio, Envoy, Redis Streams, RabbitMQ, Kafka, PostgreSQL, PgBouncer, HashiCorp Vault, NGINX, Terraform, GitHub Actions, GitLab CI, CASB, DLP, WSS, Azure AD, Entra ID, Okta, SAML 2.0, OIDC, SCIM, Azure OpenAI, Datadog, Prometheus, Grafana, Azure Monitor