121 senior backend engineer jobs at 78 companies in Colorado

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Senior Backend Engineer
Colorado Springs, Colorado, United States
$160k-$185k/yr HybridFull Time
Sphinx Defense
Sphinx Defense: Private aerospace software building secure satellite-operations and ground-data systems for government and commercial space missions.
5+ YOE5+ years software engineering experience; strong Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform; cloud architecture, API/backend development, security focus, mentorship and customer integration skills.
Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform
2mo
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Mural Pay - Senior Backend Engineer
New York or Denver
HybridFull Time
deCircle
deCircle: Boutique recruitment partner for high-tech and Web3 organizations.
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
1mo
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Senior Backend Engineer - MapMyFitness
Colorado, United States
$120k-$180k/yr RemoteFull Time
Outside Inc.
Outside Inc.: Private American digital media serving outdoor enthusiasts through content, events, mapping, education, and subscriptions.
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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Senior Backend Developer - Integrations
New York City or Denver or Charlotte
$116k-$200k/yr HybridFull Time
Judi Health
Judi Health: Privately held health technology providing pharmacy and benefits administration to employers, unions, health plans, and governments.
7+ YOE7+ years experience building backend systems with Python and cloud-native architectures; strong PostgreSQL, API, microservices, AWS, Terraform, and client-facing technical skills.
Python, Flask, SQLAlchemy, TypeScript, React, PostgreSQL, AWS, Terraform, Linux, Bash, Zsh, Node.js, Git, Playwright, AWS Lambda, API Gateway, ECS
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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: AI-powered facility intelligence platform helps commercial, industrial, and retail property owners assess assets and plan maintenance.
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
2mo
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Senior Backend Engineer, Rust
California or Colorado or New York or United States
RemoteFull Time
Offchain Labs
Offchain Labs: Venture-backed blockchain infrastructure building Ethereum scaling, consensus, and smart-account technologies for developers and enterprises.
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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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: Private AI risk-infrastructure helping banks and fintechs detect fraud and manage anti-money-laundering operations.
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
3w
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Senior Backend Software Engineer - Java
Cincinnati or Denver
$114k-$172k/yr HybridFull Time
Worldpay
Worldpay: Global leader in payment technology and merchant solutions.
Requires Java backend development experience, RESTful APIs, Spring technologies, testing with JUnit and Mockito, Agile collaboration, and a bachelor's degree in computer engineering or computer science.
Java, Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Spring Validation, Spring Modulith, Apache Kafka, JUnit, Mockito, Docker, Kubernetes, AWS
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Senior Backend Engineer
Denver, Colorado, United States
$145k-$175k/yr HybridFull Time
Homebot
Homebot: Homeownership software helping lenders and real estate agents build client relationships and homeowner wealth.
3+ YOERequires 3+ years building production software and experience with TypeScript, React, Ruby on Rails, REST, GraphQL, PostgreSQL, SQL, testing, monitoring, logging, tracing, and product analytics.
TypeScript, React, Ruby on Rails, REST, GraphQL, Amplitude, PostgreSQL, SQL, Snowflake, Airflow, dbt
3w
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Senior Backend Engineer - Payments Platform
Broomfield, Colorado, United States
$140k-$160k/yr OnsiteFull Time
Choice Digital
Choice Digital: Service-disabled veteran-owned fintech platform providing digital disbursements for insurers, utilities, healthcare, and public agencies.
5+ YOEBachelor's degree in computer science or equivalent, or 5+ years' software development experience. Requires Python, SQL, NoSQL databases, software testing, object-oriented design, Git, cloud platforms, Docker, and Terraform.
Google Cloud Platform, AWS, Docker, Terraform, Python, SQL, Postgres, Redis, Git, ACH, Visa, Mastercard
2mo
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Staff Backend Software Engineer
Denver or Beaverton or Seattle or Springfield or Bengaluru
$172k-$223k/yr HybridFull Time
DAT
DAT: Private freight marketplace and logistics software serving shippers, brokers, carriers, and transportation analysts.
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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Senior Back End Engineer, Data and Cloud
Colorado or Denver
$145k-$190k/yr RemoteFull Time
LearnLux
LearnLux: Private workplace financial wellbeing SaaS provider helping employers give employees fiduciary financial guidance.
Backend experience owning scalable SaaS production systems; SQL databases, data pipelines, warehouses, distributed systems, cloud infrastructure, Node.js or Python, security, compliance, automation, and cross-functional collaboration.
SQL, Node.js, Python, GCP, AWS, Pulumi, Terraform
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Principal Backend Engineer – Music Discovery Platform - Roon
New York or Illinois or Florida or Tennessee or Oregon or Kentucky or Connecticut or Kansas or California or Colorado or Missouri or Idaho or Arizona or Minnesota or Montana or Massachusetts or Indiana or District of Columbia or Michigan
$125k-$184k/yr RemoteFull Time
Harman International
Harman International: Designing and engineering connected products and solutions for automakers and consumers.
10+ YOE10+ years developing backend services; proficiency in Node.js, Python, or Go; expertise in APIs, microservices, cloud platforms, Docker, Kubernetes, databases, and CI/CD; leadership and mentoring experience.
Node.js, Python, Go, GCP, AWS, Azure, Docker, Kubernetes, PostgreSQL, BigQuery, Kafka, RabbitMQ, C#, .NET
1mo
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Senior Backend and Integration Engineer (IT)
Denver, Colorado, United States
$85k-$135k/yr RemoteFull Time
DaVita
DaVitaNYSE: DVA: A leading provider of kidney care and dialysis 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
2mo
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Senior Back-End Engineer, Sports Platform
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
bet365
bet365: Private British online gambling group offering sports betting, casino, poker, bingo, and games to customers worldwide.
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
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Back End Software Developer
Colorado Springs, Colorado, United States
$101k-$175k/yr HybridFull Time
LMI
LMI: Consulting and technology solutions for 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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Senior/Staff/Principal Backend Engineer, Platform & Data Ingestion
San Francisco or New York City or Arizona or California or Colorado or Connecticut or Florida or Georgia or Illinois or Louisiana or Massachusetts or Minnesota or North Carolina or New Jersey or Nevada or New York or Ohio or Pennsylvania or South Carolina or Tennessee or Texas or Washington or District of Columbia
$150k-$236k/yr HybridFull Time
Verana Health
Verana Health: Digital health providing real-world data, analytics, and clinical research services to clinicians and life sciences companies.
4+ YOE4+ years building scalable APIs, microservices, and high-volume ETL; experience with Scala/Elixir or typed languages, OpenSearch/Elasticsearch, OCR/document parsing, SQL and data modeling; strong communication skills.
Scala, Elixir, Java, C#, C++, OpenSearch, Elasticsearch, OCR, Postgres, MySQL, Databricks, Snowflake, BigQuery, AWS, GCP, Amazon SQS, Kafka, Google PubSub, TypeScript, Angular, React
2w
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Knowledge Engineer Manager - Back-end Engineer
United States or Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek
$80k-$294k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
5+ YOERequires 5+ years in knowledge graphs, ontology mapping, R2RML, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL, D3.js, Cytoscape.js, Terraform
3w
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas 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 Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
2mo
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Back End Software Developer - Clearance Required
Colorado Springs, Colorado, United States
$101k-$175k/yr HybridFull Time
LMI
LMI: Consulting and technology solutions for federal government agencies.
5+ YOEBachelor's in CS or related,5–10 years backend development,proficiency in Python/Java/Node.js,REST APIs,relational/NoSQL databases,Git,TS/SCI clearance eligibility.
RAPTR, Python, Java, Node.js, PostgreSQL, MongoDB, Django, Flask, Spring Framework, Git, Amazon Web Services, Microsoft Azure, Docker