72 senior backend engineer jobs at 50 companies in Boulder, CO
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Mural Pay - Senior Backend Engineer
New York or Denver
HybridFull Time
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 Developer - Integrations
New York City or Denver or Charlotte
$116k-$200k/yr HybridFull Time
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
1w
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Senior Backend Software Engineer - Java
Cincinnati or Denver
$114k-$172k/yr HybridFull Time
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
1mo
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Senior Backend Software Engineer
Denver, Colorado, United States
$150k-$190k/yr HybridFull Time
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
2mo
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Software Engineer - Backend (Varying Levels)
San Francisco or Denver
$160k-$215k/yr HybridFull Time
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
1w
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Senior Backend Engineer - Payments Platform
Broomfield, Colorado, United States
$140k-$160k/yr OnsiteFull Time
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
1mo
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Staff Backend Software Engineer
Denver or Beaverton or Seattle or Springfield or Bengaluru
$172k-$223k/yr HybridFull Time
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 and Integration Engineer (IT)
Denver, Colorado, United States
$85k-$135k/yr RemoteFull Time
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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Senior Back-End Engineer, Sports Platform
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
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
1w
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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
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
1d
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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
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
1mo
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Senior Software Engineer - Streaming Backend
Englewood, Colorado, United States
$96k-$140k/yr OnsiteFull Time
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
3w
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Sr. Back-end Ground Software Engineer - Lunar Permanence
Denver or Littleton or Seattle
$182k-$254k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEB.S. in software/engineering,8+ years experience,proven Python and/or Rust,experience with full lifecycle engineering,CI/CD,Linux,excellent communication and collaboration skills;US work eligibility required.
Python, Rust, React, Linux, CCSDS
20h
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Senior Software Engineer - Backend Engineering
Chicago or Peoria or Westminster or Irving
$113k-$183k/yr OnsiteFull Time
8+ YOERequires 8+ years building enterprise-scale backend applications, expertise in Java, Spring Boot, REST APIs, microservices, AWS, distributed systems, databases, technical leadership, mentoring, and architecture.
Java, Spring Boot, AWS, REST APIs, Microservices, PostgreSQL, MySQL, DynamoDB, CI/CD
1mo
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Staff Software Engineer (Backend) - Everand Core
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas or Charlotte
$141k-$267k/yr HybridFull Time
Significant backend engineering experience building and scaling distributed systems; strong coding in Ruby/Scala/Go/Python; expertise in reliability, observability, SLOs, and mentoring; cross-functional collaboration experience.
Ruby, Scala, Go, Python
2mo
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Senior Java Engineer - Cloud Platform
Denver, Colorado, United States
$170k-$200k/yr HybridFull Time
10+ YOE10+ years software development; 6+ years in ops/platform; strong Java; AWS; Kubernetes; Terraform; Linux; SQL; cloud and backend architecture.
Java, AWS, Kubernetes, Terraform, Linux, SQL, Git
2mo
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Senior Staff Software Engineer - Pricing and Packaging
San Francisco or Denver or New York City
$189k-$278k/yr HybridFull Time
10+ YOE10+ years of software engineering; 2+ years as tech lead; strong backend experience; distributed systems; AI tooling experience; cross-functional collaboration; excellent communication; BS degree or equivalent.
Ruby, Java, Python, Go
1d
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Senior Software Engineer - Metadata
Denver or Ontario
$140k-$168k/yr RemoteFull Time
5+ YOE5+ years in software engineering, backend service and distributed systems experience, proficiency in a backend or systems language, cloud and containerization experience, and experience with testing, design, troubleshooting, and code review.
Python, Rust, GraphQL, Postgres, Snowflake, Kafka, Kubernetes, Docker, AWS, GCP, Datadog, Java, C++, C#, Azure, BuildKite, Grafana, GitHub Copilot, Claude Code, ChatGPT
1d
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Senior Software Engineer
Denver, Colorado, United States
$135k-$170k/yr HybridFull Time
5+ YOE5+ years of backend software engineering experience, strong Golang proficiency, distributed systems expertise, and 3+ years with Kubernetes, APIs, cloud platforms, and relational or NoSQL databases.
Golang, REST, gRPC, GraphQL, PostgreSQL, Cassandra, Kafka, NATS, Kubernetes, AWS, GCP, JWT, SAML, OIDC, LangChain, CrewAI, MCP, Jenkins, Keycloak, SOC 2, FedRAMP
1mo
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Senior Full Stack Product Engineer
Denver, Colorado, United States
OnsiteFull Time
Senior full-stack engineer with experience shipping GenAI/LLM features, React/TypeScript frontend, Node.js/Python backend, cloud (GCP/AWS/Azure), strong product judgment and cross-functional leadership.
React, TypeScript, Node.js, Python, Google Cloud Platform, GCP, AWS, Azure
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