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68 back end software engineer jobs at 36 companies in Colorado

1w
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Backend Engineer
California or Colorado or Georgia or Idaho or Illinois or Kansas or Massachusetts or Maryland or Michigan or Minnesota or New Jersey or New York or Ohio or Oregon or Pennsylvania or Rhode Island or Texas or Washington
$180k-$220k/yr RemoteFull Time
Unit21
Unit21: Provides an AI-powered platform for fraud and money laundering detection.
5+ YOE5+ years in data/software engineering, experience with large-scale data processing, advanced SQL, Python/OOP, cloud platforms, and infrastructure-as-code (Terraform).
Apache Spark, Databricks, Flink, Beam, Python, SQL, AWS, Azure, Google Cloud, Terraform
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3w
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Senior Backend Software Engineer
Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$165k-$195k/yr RemoteFull Time
SITE Technologies
SITE Technologies: Provides AI-powered property condition assessments and management software.
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
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1mo
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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
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1mo
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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
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3w
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Backend Engineer
Colorado Springs, Colorado, United States
$138k-$167k/yr HybridFull Time
Sphinx Defense
Sphinx Defense: Develops software for secure satellite and space mission operations.
3+ YOE3+ years software engineering experience; strong Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform; experience building APIs, multi-tenant cloud services, automation and security; eligible for U.S. security clearance.
Python, FastAPI, postgres, AWS, Docker, Kubernetes, Terraform
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4w
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Back End Software Developer
Colorado Springs, Colorado, United States
$101k-$175k/yr HybridFull Time
LMI
LMI: Delivers management, technology, and analytics solutions for federal agencies.
5+ YOEBachelor's in CS or related, 5+ years backend development, proficiency in Python/Java/Node.js, REST APIs, relational/NoSQL DBs, Git; TS/SCI clearance eligibility preferred.
Python, Java, Node.js, PostgreSQL, MongoDB, Django, Flask, Spring Framework, Git, Amazon Web Services, Microsoft Azure, Docker
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4w
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Back End Software Developer
Colorado Springs, Colorado, United States
$101k-$175k/yr HybridFull Time
LMI
LMI: Provides management consulting and digital solutions to federal government agencies.
5+ YOEBachelor's in CS/CE or related, 5+ years backend development, proficiency in Python/Java/Node.js, RESTful API design, experience with PostgreSQL/MongoDB, familiarity with Django/Flask/Spring and Git, ability to work with data-intensive systems.
Python, Java, Node.js, PostgreSQL, MongoDB, Django, Flask, Spring Framework, Git, Amazon Web Services (AWS), Microsoft Azure, Docker
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2mo
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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
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2mo
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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
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1w
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Back-end Ground Software Engineer III - Lunar Permanence
Denver or Seattle or Littleton
$151k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEB.S. in software/engineering,5+ years software development,proven Python and/or Rust experience,EMBEDDED/DevOps skills,React integration,Linux proficiency,CI/CD and full lifecycle experience,US work authorization required.
Python, Rust, React, Linux, Software-in-the-Loop, Hardware-in-the-Loop, CCSDS
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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
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2d
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Backend Engineer III - Hunt
Bozeman or Austin or Denver or Minneapolis or Portland or Salt Lake City or Seattle or Charlotte or Kalispell or Boise or Charleston or Dallas or Phoenix or Richmond or Spokane or Vermont or Missoula
$130k-$153k/yr RemoteFull Time
onXmaps
onXmaps: Digital mapping and navigation apps for outdoor recreation.
5+ YOEBachelor's or equivalent,5+ years software development with 3+ years API focus,experience with Go and relational databases (MySQL/PostgreSQL),distributed systems experience,permanent US work authorization required.
MySQL, PostgreSQL, Go, GraphQL, Elixir, Rust, Python, Docker, Kubernetes, Terraform, Google Cloud Platform, PostGIS, CockroachDB
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1d
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Senior Backend Engineer
Denver, Colorado, United States
$160k-$180k/yr OnsiteFull Time
Scotch
Scotch: Point of sale and management platform for liquor stores.
4+ YOE4+ years backend web development experience; strong Ruby and Rails knowledge; PostgreSQL schema and query optimization; RESTful API design; Git; secure coding and strong problem-solving.
Rails, Hotwire, PostgreSQL, Ruby, JSON, Git, GoodJob, Sidekiq, AWS, Heroku
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4w
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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
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1mo
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Senior Backend Engineer, Rust
California or Colorado or New York or United States
RemoteFull Time
Offchain Labs
Offchain Labs: Developing Layer 2 scaling infrastructure for the Ethereum blockchain
Experienced Rust engineer for distributed systems and performance-critical infrastructure; production systems experience, ownership from design through operation; familiarity with WASM and blockchain infrastructure preferred.
Rust, C/C++, WebAssembly (WASM), EVM, Nitro, Stylus, Arbitrum, Prysm, ZeroDev
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4w
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Backend Software Engineers - Colorado Springs
Colorado Springs, Colorado, United States
$75k-$150k/yr OnsiteFull Time
In-Depth Engineering
In-Depth Engineering: Develops combat systems and radar software for the US military.
2+ YOEU.S. citizen with valid passport and active Secret clearance; Bachelor's in CS/CE/SE or STEM; 2+ years professional experience; experience with Rust/C, Java, Docker, gRPC, and full SDLC.
Rust, C, Java, Docker, gRPC, Kubernetes, Helm, Gitlab CI/CD, Python, Selenium, Cypress, Playwright
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1w
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Senior Backend and Integration Engineer (IT)
Denver, Colorado, United States
$85k-$135k/yr RemoteFull Time
DaVita
DaVitaNYSE: DVA: Provides kidney dialysis and integrated chronic disease management services.
7+ YOE7+ years back-end and integration engineering experience; Node.js, SQL, cloud database migrations, GCP BigQuery/Cloud SQL, Salesforce and middleware integration; strong security and API design skills.
Node.js, Salesforce, BigQuery, Cloud SQL, Google Cloud Platform (GCP), Microsoft SQL Server, Fuse, OWASP
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3mo
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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
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2w
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Senior Backend Engineer - MapMyFitness
Colorado, United States
$120k-$180k/yr RemoteFull Time
Outside Interactive
Outside Interactive: Provides digital content and software for outdoor lifestyle enthusiasts.
7+ YOE7+ years backend experience, proficiency with Claude Code, Python, Java; experience with AWS, Kubernetes, RDS/MySQL, Django, Kafka; strong communication and independent work in remote settings.
Claude Code, Python, Java, Scala, AWS, Kubernetes, RDS/MySQL, Django, Kafka
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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
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