104 backend engineer jobs at 70 companies in Firestone, CO

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2w
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Mural Pay - Senior Backend Engineer
New York or Denver
HybridFull Time
YieldNest
YieldNest: Liquid restaking protocol for risk-adjusted DeFi yields.
5+ YOE5+ years backend experience; Node.js, NestJS, TypeScript, React, GraphQL, Postgres, Prisma, AWS, Docker; experience building payment or money-movement systems; US work authorization required.
Node.js, NestJS, React, TypeScript, GraphQL, Postgres, Prisma, AWS, Docker, SQS, SNS, AWS Lambda, Vercel
2w
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Backend Engineer - Oort
San Francisco or Golden or Toulouse
$140k-$190k/yr OnsiteFull Time
Loft Orbital
Loft Orbital: Deploy and operate satellite missions for organizations and governments.
Proficiency in Python and Docker, backend/API design and database interaction, experience with space mission technologies, strong communication and product mindset.
Python, Docker, Django, GraphQL, GCP, AWS, Kubernetes, PyTest, Jest, React Testing Library, Playwright, Cypress
3mo
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Backend Engineer - Card Transaction Processing
New York City or Grand Cayman or Denver
$170k-$200k/yr HybridFull Time
Ether.fi
Ether.fi: Decentralized platform for Ethereum staking and crypto banking services.
5+ YOE5+ years backend software engineering; strong problem solving; experience with high-throughput transaction processing; cloud infra, CI/CD, observability; familiar with card payments.
Cloud, CI/CD, Observability, Payment processing
1mo
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Software Engineer - Backend (Varying Levels)
San Francisco or Denver
$160k-$215k/yr HybridFull Time
Windfall
Windfall: Provides consumer financial data and AI-driven go-to-market insights.
5+ YOE5+ years of professional backend software engineering experience; expert OO programming; experience with transactional databases and distributed systems; strong communication and problem-solving skills; able to balance quality, complexity, and delivery speed.
GCP, Java, Kotlin, Spring Boot, Google PubSub, Postgres, BigQuery, Kubernetes, Docker
2mo
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Engineer II, Backend APIs
Los Angeles or Boulder
$115k-$135k/yr HybridFull Time
Magnite
MagniteNASDAQ: MGNI: Independent sell-side platform for digital media advertising.
3+ YOE3+ years software engineering; Java backend; Postgres; Git; strong communication.
Java, PostgreSQL, Git, OpenAPI, Docker, Kubernetes
3w
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Staff Backend Software Engineer
Denver or Beaverton or Seattle or Springfield or Bengaluru
$172k-$223k/yr HybridFull Time
DAT Freight & Analytics
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
10+ YOE10+ years backend experience with Node.js/TypeScript, AWS (EKS, MSK/Kafka, S3), document databases (DocumentDB/MongoDB), Terraform, observability and on‑call practices; strong system design and technical leadership skills.
Node.js, TypeScript, Express, AWS, EKS, MSK (Kafka), Kafka, S3, Lambda, DocumentDB, MongoDB, Secrets Manager, CloudWatch, Terraform, Kubernetes
3w
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Senior Backend Software Engineer
Denver, Colorado, United States
$150k-$190k/yr HybridFull Time
Volley Automation
Volley Automation: Automated robotic parking systems for space-constrained locations.
BS in CS or related required (MS preferred). Strong backend development experience with Python/JavaScript, web services, cloud platforms (AWS/GCP/Azure), databases, Git and CI/CD. Must be able to work on-site or in the field at least 3 days/week.
AGVs, ROS2, ROS, Linux, IoT, PLCs, AWS, GCP, Azure, Python, JavaScript, Django, Flask, Next.js, Express.js, Git, CI/CD, MQTT, ECR, S3, EC2, React, TypeScript, iOS, Android
1mo
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Software Engineer (Backend), Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Mexico City or Miami or New York City or Ottawa or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Toronto or Vancouver or Washington, D.C.
$104k-$187k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years as a software engineer; backend/data pipelines; comfortable with messy data; proficient in Ruby, Python, or Go; AWS experience; SQL; collaborative and communicative.
Ruby, Python, Go, AWS, S3, SQS, SNS, SQL
1mo
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Senior Backend Engineer - Offroad
Missoula or Bozeman or Austin or Denver or Portland or Salt Lake City or Seattle
$146k-$182k/yr RemoteFull Time
onXmaps
onXmaps: Digital mapping and navigation apps for outdoor recreation.
7+ YOE7+ years in software development; distributed cloud APIs; Go; Vue; Docker/Kubernetes; Terraform; remote collaboration; travel for quarterly visits.
Go, Vue, Docker, Kubernetes, Terraform, API Development
3w
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Senior Back-End Engineer, Sports Platform
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
bet365
bet365: Provides global online sports betting and digital casino games.
Experience building high-throughput, low-latency systems; commercial GCP with Kubernetes; microservices in Golang or Rust; React and TypeScript familiarity; coaching/mentoring and agile experience.
GCP, Kubernetes, Golang, Rust, React, TypeScript
3mo
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Sr Principal / Architect Engineer Software - Backend, Alerting (Chronosphere)
San Francisco or Denver or Austin or Jacksonville or Boston or New York City or Atlanta or United States
RemoteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Go, Kubernetes on AWS/GCP; distributed systems experience; owner-like mindset; collaborate with product, design, and engineering; build reliable user experiences.
Go, C++, Java, C#, Rust, Kubernetes, AWS, GCP
3w
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Senior Software Engineer - Streaming Backend
Englewood, Colorado, United States
$96k-$140k/yr OnsiteFull Time
EchoStar
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
5+ YOEBachelor's degree or equivalent and 5+ years backend software/systems engineering experience; strong backend programming (Go, Python, Rust, C++), DRM and ABR streaming knowledge, observability, cloud and AI tool proficiency.
Go, Python, Rust, C++, H.264, HEVC, AV1, MP4, TS, Widevine, FairPlay, PlayReady, HLS, MPEG-DASH, Grafana, Dynatrace, NewRelic, AWS Elemental Media Services, AWS, GCP
1mo
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Senior Software Engineer, Backend
United States or Denver
$150k-$190k/yr RemoteFull Time
Doowii
Doowii: AI-powered data analytics platform for educational institutions.
5+ YOEBS or equivalent, 5+ years backend engineering experience, strong Python and SQL skills, distributed systems and cloud (AWS/GCP/Azure) experience, data pipelines, APIs, observability, and experience with AI/LLM integrations; technical leadership and mentoring.
Python, SQL, Kafka, Pub/Sub, Apache NiFi, Airflow, Mage.AI, Beam, Spark, Flink, dbt, Iceberg, ClickHouse, AWS, GCP, Azure, RAG, LLM, OAuth, SAML, CI/CD
5d
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Software Engineer 2 (Backend AI)
Earth City or Atlanta or Hopkins or Denver or Cincinnati or Brookfield or Irving
$98k-$116k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
3+ YOE3+ years software engineering experience, BS or equivalent, experience with full-stack development, cloud-native and DevOps practices, AI/GenAI familiarity preferred, strong communication and problem-solving skills.
Java, Python, Spring Boot, FastAPI, Node.js, REST APIs, GraphQL, Microservices, Azure, AWS, Azure OpenAI, AWS Bedrock, LLM APIs, LangChain, LangGraph, Semantic Kernel, Docker, Kubernetes, CI/CD Pipelines, GitHub, GitHub Copilot, SQL Server, PostgreSQL, MongoDB, Vector Databases, Embedding Models, RAG
1w
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Forward Deployed Engineer
New York City or Denver
$204k-$240k/yr OnsiteFull Time
Legora: AI workspace for legal document research and drafting.
Experienced generalist engineer with backend, APIs, auth (SAML/OIDC), and integration experience; customer-facing technical delivery skills and strong communication.
SAML, OIDC, REST, iManage, NetDocuments, Microsoft SharePoint
1mo
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Software Developer / Engineer
Sterling or Denver
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOEIn-person work at Sterling, VA or Denver, CO; TS/SCI with poly; Bachelor's in STEM or related; 3+ years software development; backend (Java) or frontend; Linux; containers/microservices; agile Kanban; willing to obtain security certification.
Java, Spring, JavaScript, TypeScript, Vue, Bootstrap, Mockito, JUnit, Cypress, PostgreSQL, MySQL, Redis, AWS DynamoDB, AWS, Git, Jira, Confluence, GitLab CI/CD, SonarQube, Fortify, Docker, Kubernetes
2mo
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Staff Engineer, Core Services Platform
San Francisco or Denver
$225k-$278k/yr HybridFull Time
Strava
Strava: Fitness tracking and social networking app for athletes.
10+ YOE10+ years backend engineering; tech lead experience; distributed systems design; proficient in Ruby/Scala/Go/Java; AWS; Kafka/Kubernetes; MySQL/Redis/Cassandra.
Ruby, Scala, Go, Java, AWS, Kafka, Kubernetes, MySQL, Redis, Cassandra
2mo
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Cleared Software Engineer
Aurora, Colorado, United States
$98k-$171k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
3+ YOEMid-level backend engineer with experience in Java/Scala/Python/Golang, PostgreSQL, cloud and streaming technologies (Hadoop, Kafka, HBase, Accumulo), git; BS/MS/PhD in CS or related (experience may substitute); Top Secret/SCI clearance required.
Kafka, AWS, NiFi, GeoMesa, THRESHER, DRAGONSPELL, Java, Scala, Python, Golang, PostgreSQL, Hadoop, HBase, Accumulo, git, Gitlab CI/CD, ArgoCD, CircleCI, Jenkins, Docker, Kubernetes, Knative, Helm, Rancher, Microsoft Azure
1mo
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Junior Design Engineer, Americas
New York or San Francisco or Austin or Portland or Los Angeles or Seattle or Boston or Chicago or Denver or United States
$98k-$165k/yr RemoteFull Time
Ashby: Provides all-in-one recruiting software for high-growth businesses.
0+ YOEDesign and implement UI/UX and production-quality code; proficiency with TypeScript, React, CSS; familiarity with backend technologies (Node.js, GraphQL, Postgres, Redis); strong visual design and product thinking. Junior applicants: 0–2 years industry experience.
TypeScript, React, GraphQL, Node.js, Postgres, Redis, CSS
1w
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Quality Assurance Engineer
Denver, Colorado, United States
$110k-$125k/yr RemoteFull Time
Trilon Group
Trilon Group: Providing engineering and design services for community infrastructure.
4+ YOE4+ years QA experience, strong test automation skills for API/backend/UI, proficiency in Python or JavaScript, CI/CD and REST testing, experience evaluating AI/LLM outputs and RAG pipelines, strong communication and analytical skills.
Python, JavaScript, CI/CD, API, REST, LLM, Retrieval-Augmented Generation (RAG)