288 cloud backend engineer jobs at 180 companies in Fairfield, CT

3w
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Senior Cloud/Backend Engineer
New York City or Columbus
$160k-$187k/yr HybridFull Time
Triple Whale
Triple Whale: AI-powered data intelligence platform for e-commerce brands.
6+ YOE6+ years backend/infrastructure experience, located in NY tri-state, strong cloud and database skills, production on-call experience, ability to design and operate scalable systems and mentor other developers.
DataDog, Grafana, Groundcover, ClickHouse, MongoDB, Redis, PubSub, Postgres, BigTable, Firestore, SonicDataFlow, Kubernetes, Knative, GCP, Temporal, Pulumi, Node.js, TypeScript, Python, Git, GitHub, GitHub Actions, CI/CD
1mo
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Backend Engineer
Ramat Gan or Tel Aviv-Yafo or New York City or London or Lisbon
HybridFull Time
Shield
Shield: Compliance platform for monitoring employee digital communications in finance.
3+ YOE3+ years backend experience, 1+ year Java, experience with multiple backend languages, two or more data stores, event-driven architecture and message brokers, cloud (AWS/GCP/Azure) experience, and frequent use of AI tools.
Java, Go, Python, C#, TypeScript, MySQL, PostgreSQL, MongoDB, Elasticsearch, Redis, Kafka, RabbitMQ, AWS, GCP, Azure
1mo
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Founding Backend Engineer
New York City, New York, United States
OnsiteFull Time
Hera
Hera: Medicare-covered platform providing dedicated senior care coordination.
Experienced backend engineer with strong systems design, cloud and database experience, API and SDK development, security/compliance awareness, and ownership in early-stage environments.
AWS, SQL, APIs, SDKs
2mo
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Senior Backend Engineer
New York or United States
RemoteFull Time
Astra
Astra: Develops APIs for automated and real-time bank transfers.
5+ YOE5+ years building production backend systems, strong systems engineering, Python experience, distributed systems and microservices, Google Cloud Platform familiarity, BS in CS/Engineering required, MS preferred.
Python, Google Cloud Platform, SQL, NoSQL
1mo
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Sr. Backend Engineer, Infrastructure team
New York, New York, United States
$150k-$200k/yr OnsiteFull Time
Pinwheel
Pinwheel: API for payroll connectivity and income data verification.
3+ YOE3+ years backend engineering and 2+ years platform/infrastructure experience; strong Python and/or Go; Kubernetes, cloud (AWS/Azure/GCP), Terraform, Helm, GitOps, CI/CD, and observability experience; security and PKI familiarity.
Go, Python, Kubernetes, Terraform, Helm, Flux, ArgoCD, CircleCI, GitHub Actions, Datadog, Prometheus, Grafana, AWS, Azure, GCP, Public Key Infrastructure (PKI), mTLS, MCP servers, GitOps
1mo
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Senior Backend Engineer
San Francisco or New York City
HybridFull Time
Beast Industries
Beast Industries: Produces digital media and consumer goods for MrBeast brands.
7+ YOE7+ years software engineering with heavy backend/distributed-systems responsibility; experience owning reliability, incident response, APIs, databases, cloud-native architectures, and using AI coding agents.
1mo
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Senior Backend Engineer
New York City or United States or Canada
RemoteFull Time
Moonshot
Moonshot: Mobile application for on-chain cryptocurrency trading.
5+ YOE5+ years backend/platform engineering experience building high-scale, highly available systems; deep expertise in auth, financial systems, or blockchain infrastructure; strong distributed-systems and operational skills.
Flutter, React Native, React, Go, Rust, Solana, Google Cloud, Amazon Web Services
1mo
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Sr. Backend Engineer - Cloud (Hybrid)
New York City or United States
$140k-$215k/yr HybridFull Time
CrowdStrike
CrowdStrikeNASDAQ: CRWD: Provides cloud-native endpoint protection and cybersecurity services.
8+ YOE8+ years building large-scale distributed systems; strong in Go or Python; experience with cloud platforms (AWS, Microsoft Azure, GCP); designing high-availability, multi-region services; strong communication and operational excellence.
Go, Python, AWS, Microsoft Azure, GCP, NG-SIEM, SIEM, SDKs, EDR, IDS/IPS, firewalls
1mo
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Senior Backend Engineer
Yerevan or New York City or Israel or Ukraine
RemoteFull Time
Commit
Commit: End-to-end software, cloud, and cybersecurity consulting and development.
5+ YOEBachelor's in CS or related, 5+ years backend experience, production-grade systems, proficiency in Node.js, SQL and NoSQL, familiarity with cloud platforms and microservices.
Node.js, SQL, NoSQL
1mo
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Senior Backend Engineer, Ambient AI
Mountain View or San Francisco or New York City
$170k-$230k/yr OnsiteFull Time
Commure
Commure: AI-powered software platform for healthcare workflow and administrative automation.
Professional software development experience; strong backend skills with Python and web frameworks; experience with containers and cloud (Docker, Kubernetes); production systems, alerting, metrics, and SRE practices; leadership and customer-facing experience.
Python, Flask, Django, FastAPIs, Docker, Kubernetes, LLMs, EHRs
1mo
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SRE / Backend Engineer
New York City, New York, United States
$160k-$220k/yr HybridFull Time
Nabla
Nabla: AI assistant for clinical documentation and healthcare workflow automation
Senior-level SRE or back-end experience with cloud infrastructure, on-call processes, IaC (Terraform), and strong software engineering; GCP preferred; excellent communication.
GCP, AWS, Azure, Terraform, Kubernetes, Cloud Run, GKE, Pub/Sub, PostgreSQL
5d
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Senior Backend Engineer
New York City, New York, United States
OnsiteFull Time
Extend
Extend: Spend management platform for creating on-demand virtual business cards
Proven experience owning production backend systems with emphasis on correctness, reliability, operational ownership, integration with external APIs, observability and testing; experience with distributed systems and cloud infrastructure.
AWS, Kotlin, Spring Boot, Postgres, AI coding agents
1w
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Backend Engineer III
New York City, New York, United States
$140k-$160k/yr HybridFull Time
Stash
Stash: Personal finance app for automated investing and banking.
3+ YOE3-5 years backend experience, strong proficiency in Go or Rails, experience with asynchronous/event-driven architectures, relational/distributed databases, testing and debugging, and familiarity with cloud (AWS).
Go, Rails, CockroachDB, PostgreSQL, CI/CD, AWS, Terraform, Datadog
2mo
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Senior Backend Engineer, Developer Platform (Horde)
New York City or California or Washington or Cary
$173k-$279k/yr OnsiteFull Time
Epic Games
Epic Games: Develops video games and licenses the Unreal game engine.
6+ YOE6+ years building distributed systems for scheduling, queueing, storage, and failure recovery; experience with CI/CD/developer infrastructure; expert C#/.NET; cloud (AWS or Azure); strong backend architecture and communication skills.
C#, .NET, Unreal Engine, AWS, Azure, ASP.NET, gRPC, MongoDB, Redis
1d
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Backend Engineer, Markets
New York, New York, United States
OnsiteFull Time
Polymarket
Polymarket: A decentralized platform for trading on real-world event outcomes.
1+ YOE1+ years backend experience, proficiency in TypeScript/Python/Go, third-party API integration, Linux and cloud tooling comfort, experience shipping production code; AI-assisted development familiarity preferred.
TypeScript, Python, Go, Claude Code, Codex, Cursor, Linux, Kafka, RabbitMQ
6d
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Sr. Backend Engineer
New York or Sunnyvale or Berkeley Heights or Alpharetta
$128k-$216k/yr OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
10+ YOEBachelor's or equivalent,10+ years software engineering,Java/JVM and Spring Boot expertise,cloud-native/Kubernetes and Terraform experience,SQL/NoSQL schema design,REST API architecture,mentorship and on-call experience.
Java, Spring Boot, Kubernetes, Terraform, PostgreSQL, MySQL, Google Cloud Platform (GCP), GitHub Copilot, Cursor, Claude, ChatGPT
1mo
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Senior Backend Developer
New York, New York, United States
HybridFull Time
Galaxy Digital
Galaxy DigitalToronto Stock Exchange: GLXY: Financial services and infrastructure for the digital asset economy.
7+ YOE7+ years software engineering experience; strong Golang and distributed systems skills; experience with Ethereum/blockchain, cloud-native infrastructure (AWS, Kubernetes, Helm, Flux), testing, and working in remote/asynchronous teams.
Golang, Ethereum, AWS, Kubernetes, Helm, Flux, GitOps, Claude Code, Model Context Protocol (MCP), Rust, Solidity, Headspace
2mo
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Lead Backend Engineer, AI Platform
New York, New York, United States
$220k-$300k/yr RemoteFull Time
Bayview Asset Management
Bayview Asset Management: Investment management firm specializing in credit and mortgage assets.
5+ YOE5-8+ years backend experience; strong API design; distributed systems; AI platform development; cloud experience; leadership responsibilities.
Python, Go, Java, TypeScript, SQL, Kafka, Kubernetes, AWS, GCP, Azure
2w
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Senior Backend Engineer: Financial Data
New York City, New York, United States
OnsiteFull Time
Rogo
Rogo: Provides a generative AI platform for financial institutions.
6+ YOE6+ years building data-intensive backend systems, experience with cloud (GCP), Python and a strongly typed language, distributed systems, SQL/NoSQL, and working with financial data.
GCP, Python, Rust, C++, Java, Redis, BigQuery, Snowflake, Redshift, SQL
1w
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Back End Engineer
New York or United States
$110k-$125k/yr OnsiteFull Time
Barstool Sports
Barstool Sports: Produces sports podcasts, blogs, and digital media content.
2+ YOE2+ years JavaScript/TypeScript backend experience, building REST APIs, working with databases and cloud (AWS/GCP), writing unit/integration tests, and operating in high-traffic production environments.
NodeJS, TypeScript, MongoDB, MySQL, Snowflake, EMR, AWS, GCP, Serverless, ffmpeg, hls, Semantic HTML, React.js, Next.js, Vercel, Storybook.js, Video.js, HLS.js, Webpack, Gulp, Grunt, NPM