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266 software project engineer jobs at 175 companies in Fairfield, CT

1mo
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Project Engineer
West Point, New York, United States
OnsiteFull Time
Conti Federal Services
Conti Federal Services: Construction and engineering for critical government infrastructure projects.
3+ YOEBachelor’s in Engineering or Construction Management; 3+ years in related role; US citizen; security clearance; strong leadership, teamwork, and communication; MS Office and project software knowledge.
MS Word, Excel, Primavera P3, HCSS, JD Edwards, Expedition
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6d
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Senior Software Engineer
New York City, New York, United States
$170k-$190k/yr OnsiteFull Time
Neon
Neon: DTC commerce and payment platform for mobile game developers.
5+ YOE5+ years software engineering experience, full-stack with strong React and TypeScript skills, ability to lead projects, and work from New York City office.
React, TypeScript
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2mo
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Software Engineer
New York, New York, United States
$120k-$300k/yr HybridFull Time
R1 RCM
R1 RCM: Revenue cycle management and healthcare financial automation provider.
3+ YOE3-6+ years of production software experience; end-to-end ownership; able to lead projects; interest in applied AI; focus on reliability and production readiness.
Python, JavaScript, APIs, LLMs, AI/ML
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1w
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Project Engineer
Norwalk, Connecticut, United States
OnsiteFull Time
The Middlesex Corporation
The Middlesex Corporation: Constructs heavy civil infrastructure including highways, bridges, and rail.
5+ YOEFive+ years heavy civil construction experience; four-year engineering or construction management degree (or equivalent); valid driver’s license; proficiency with Microsoft Office and construction software; strong leadership and communication skills.
Microsoft Office, BlueBeam, HCSS HeavyJob, Vista, CAD, P6
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2mo
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Software Engineer, Native Delivery
New York or San Francisco
$180k-$320k/yr RemoteFull Time
Hightouch
Hightouch: Syncs customer data from warehouses to business and marketing tools.
Senior software engineer building SDKs and backend systems; ownership of end-to-end projects; cross-platform (iOS/Android/React Native) development; on-device and backend collaboration.
iOS, Android, React Native, SDK development, Backend
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1w
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Staff Software Engineer, Platform
San Francisco or New York City
$250k-$295k/yr HybridFull Time
Unify
Unify: AI-powered platform for automating B2B sales outbound workflows.
8+ YOE8+ years software-engineering experience, 3+ years leading projects or teams, deep PostgreSQL expertise, production-grade systems experience, strong mentoring and technical leadership skills.
PostgreSQL
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2w
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Software Engineer, Research Infrastructure
San Francisco or New York City
$405k-$625k/yr HybridFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
Experience designing, building, and operating large-scale distributed systems; independently scoping multi-month projects; strong software engineering fundamentals and communication skills; Bachelor's degree or equivalent.
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3mo
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Sr Advanced Project Engineer
Northford, Connecticut, United States
$133k-$166k/yr HybridFull Time
Honeywell
HoneywellNASDAQ: HON: Manufactures aerospace products, building technologies, and industrial control systems.
5+ YOEBachelor’s in technical field; 5+ years PM experience; 3+ years product development with hardware/software; strong engineering product development knowledge; MS Project proficiency.
MS Project, Smartsheet
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2w
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Senior Software Engineer
Bronx or Sacramento
$125k-$145k/yr OnsiteFull Time
Vantage Elevation
Vantage Elevation: Manufacturer of non-proprietary components and systems for elevators.
10+ YOEBachelor's in EE/CE or equivalent, 10+ years in real-time embedded software, strong C/C++, RTOS and firmware skills, Git experience, debugging/troubleshooting, mentoring and project leadership.
C, C++, Git, Bash, PowerShell, Python, Make, Cygwin, C#, PHP, JavaScript, HTML, CSS
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6d
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Senior Software Engineer - Frontend Developer Experience
San Francisco or New York City or Portland or Canada or United States
$201k-$251k/yr HybridFull Time
Mercury
Mercury: Banking services and financial software designed for startup companies.
6+ YOE6+ years frontend software experience with deep React and TypeScript knowledge; experience leading cross-team engineering projects and maintaining internal libraries; strong communication and observability skills.
React, TypeScript, Vite, CI/CD
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1w
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Senior Software Engineer, Identity
San Francisco or New York City or Washington
$216k-$270k/yr OnsiteFull Time
Scale AI
Scale AI: Provides data and infrastructure for training artificial intelligence models.
5+ YOE5+ years engineering experience with identity and infrastructure; expertise in IAM, authentication/authorization standards, cloud platforms, and ownership of engineering projects.
OpenFGA, Authzed, Cedar, Topaz, Terraform, Pulumi, OAuth 2.0, OIDC, SAML, JWT, EntraID, Okta, AWS, Java, Python, Node.js, .NET
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2w
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Senior Software Engineer, C&I
United States or Brooklyn
$130k-$170k/yr RemoteFull Time
EnergyHub
EnergyHubNASDAQ: ALRM: Software platform managing distributed energy resources for utility grids.
5+ YOE5+ years software engineering experience; senior-level React and Java experience; strong full‑stack, SQL, automated testing, CI/CD, and technical project leadership skills.
React, Java, Jest, JUnit, SQL, Springboot, Maven, Python, S3, MongoDB, AWS, DBT, Snowflake
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1mo
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Senior Software Engineer, Data Products
New York City or United States or Canada or Argentina or Brazil or Colombia
$129k-$304k/yr RemoteFull Time
Chainlink Labs
Chainlink Labs: Building decentralized oracle networks for blockchain smart contracts.
7+ YOE7+ years software engineering experience; blockchain/Web3 and smart contract development; distributed/low-latency systems; ownership of multi-month projects; B.S. in CS or related technical field.
Golang, Solidity, TypeScript, Rust, Postgres, Terraform, AWS, Solana, Avalanche, Polygon, Ethereum, Move
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2mo
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Structural Project Engineer
New York, New York, United States
$110k-$150k/yr OnsiteFull Time
PVEDI
PVEDI: Multidisciplinary firm providing architecture, engineering, and consulting services.
5+ YOENY Professional Engineer (PE) required; Bachelor's in Civil/Structural Engineering required (Master's preferred); 5+ years structural engineering consulting experience; proficiency with structural analysis/design software; Revit desirable; willingness to travel to sites.
Revit
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1mo
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Lead Software Engineer (Scala, JavaScript)
New York City, New York, United States
$215k-$246k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years professional software engineering experience, 1+ year cloud (AWS/Azure/GCP), experience with Java/Scala/Python/Go/Node/SQL, and demonstrated leadership on projects.
Java, Scala, Python, Go, JavaScript, Node.js, SQL, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
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1mo
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Software Engineer | Data Platform
New York City, New York, United States
$200k-$250k/yr OnsiteFull Time
Gecko Robotics
Gecko Robotics: Manufacturer of wall-climbing robots for industrial infrastructure inspection.
5+ YOE5+ years in production software development; backend infra focus; secure APIs; strong DevEx; able to own long-term projects.
Python, React, TypeScript, Google Cloud Platform, Terraform, Agentic development tools
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1mo
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Staff Software Engineer, AI Developer Experience
New York City, New York, United States
$248k-$282k/yr HybridFull Time
Asana
AsanaNYSE: ASAN: Software platform for team project management and workflow automation.
8+ YOE8+ years software engineering experience with 3+ years leading complex technical projects; experience building developer tools, IDE/editor/CLI integrations, AI-assisted development tools, and evaluation frameworks; strong systems design and communication skills.
Cursor, Claude Code, Codex
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3w
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Project Engineer - Construction
Mount Vernon, New York, United States
$75k-$78k/yr OnsiteFull Time
The NRP Group
The NRP Group: Develops, builds, and manages multifamily residential housing communities.
2+ YOE2+ years construction experience preferred; manage document control, submittals, RFIs, schedules, QC logs, and support project manager/superintendent. Familiarity with building codes, inspections, and construction document management software.
PlanGrid, Timberline Project Management, Procore, Microsoft Outlook
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2w
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Software Engineer
New York, New York, United States
$300k/yr OnsiteInternship
Jane Street
Jane Street: Global quantitative trading firm and liquidity provider.
Top-notch programmer, intellectually curious and collaborative; will learn OCaml (primary) and may use Python; paired with mentors on production projects.
OCaml, Python
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1mo
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Senior Software Engineer, Pricing
United States or Canada or Columbus or Austin or San Francisco or New York City
$167k-$231k/yr RemoteFull Time
Upstart
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
5+ YOE5+ years software development; production Python proficiency; experience with Java or Kotlin; building scalable APIs/microservices on AWS or GCP; ownership of multi-month projects; mentoring experience.
Python, Java, Kotlin, AWS, GCP, CI/CD, infrastructure-as-code
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