18 backend full stack software engineer jobs at 17 companies in Lafayette, 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
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Senior Software Engineer, Full-Stack (Copy)
United States or Denver
$140k-$180k/yr RemoteFull Time
Doowii
Doowii: AI-powered data analytics platform for educational institutions.
3+ YOEBachelor's degree or equivalent, 3+ years software engineering experience, strong Python, SQL, cloud (AWS/GCP/Azure), LLM APIs and retrieval/vector search experience, API and backend design, and AI system evaluation skills.
Python, SQL, AWS, GCP, Azure, LLM APIs, Pinecone, Weaviate, pgvector, OpenSearch, Airflow, Dagster, dbt, Kafka, Spark, Iceberg, ClickHouse, BigQuery, Snowflake
2w
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Full Stack Developer
Denver, Colorado, United States
$130k-$140k/yr HybridFull Time
Strategic Retail Partners
Strategic Retail Partners: Provides in-store merchandising and distribution solutions for retailers.
10+ YOE10+ years full-stack development with strong backend focus; proficiency in Kotlin/Java and PL/SQL; deep Oracle DB knowledge; cloud (OCI) experience; strong troubleshooting and collaboration skills.
Kotlin, Java, PL/SQL, REST(JSON), Angular, Bootstrap, Jenkins, GitLab CI, Microsoft Azure DevOps, Git, Oracle 19c, Oracle 23ai, Oracle Cloud Infrastructure (OCI), Exadata, Linux, Oracle ERP, REST, SOAP, LDAP, FedEx APIs, Python
1mo
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Software Engineer Full Stack (Pricing Engine)
Denver or United States or United Kingdom or Canada or Australia or New Zealand
$83k-$125k/yr HybridFull Time
Xe
XeNASDAQ: EEFT: Provides international money transfers and online currency exchange services.
3+ YOE3+ years building production web applications; strong frontend with Vue.js or React; backend proficiency in C#/.NET (or Java, Kotlin, Go); SQL and AWS (SQS, DynamoDB, S3, ECS, Lambda); testing, AI coding tools, and strong system design and communication.
Vue.js, React, C#, .NET, Java, Kotlin, Go, SQL, AWS, SQS, DynamoDB, S3, ECS, Lambda, Copilot, Cursor, Claude Code, Memcached, Redis, Jira, Confluence, Postman, Bruno, CI/CD
4w
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Full Stack Engineer
Arvada or Denver
$120k-$180k/yr HybridFull Time
Quindar
Quindar: Cloud-native software for automated satellite mission operations.
4+ YOEActive Secret clearance, 4+ years engineering experience, strong Python and backend skills, AWS/cloud experience, Docker/Kubernetes, Terraform, Git; Bachelor's in CS or related field or equivalent experience.
Python, AWS, EC2, S3, RDS, Fargate, EKS, ECS, CloudWatch, EFS/EBS, React, TypeScript, GraphQL, Docker, Kubernetes, Terraform, CI/CD pipelines, Git, GitHub, GitLab, Next.js, Refine, Vite, GitHub Actions
2w
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Senior Full Stack Product Engineer
Denver, Colorado, United States
OnsiteFull Time
LearnLux
LearnLux: Digital financial planning and advisor access for employee wellbeing.
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
1mo
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Senior Software Engineer (Full-Stack)
Denver, Colorado, United States
$160k-$210k/yr OnsiteFull Time
Cobalt AI
Cobalt AI: Provides autonomous indoor security robots and remote AI monitoring.
5+ YOE5+ years software engineering experience with frontend depth; strong React and TypeScript skills; experience with canvas/2D rendering, WebRTC, data visualization; backend fluency in Python/Django, GraphQL, and PostgreSQL; AWS and container experience; testing and observability; participate in on-call rotations.
React, TypeScript, Django, Python, GraphQL, PostgreSQL, WebRTC, Storybook, AWS, WebSocket
3mo
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Full Stack Web Developer
Denver, Colorado, United States
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years in web development; strong React.js and JavaScript/TypeScript; backend with Flask (Python) and Express.js (Node); PostgreSQL and RESTful APIs; Git; TS/SCI clearance required.
React.js, Flask, Express.js, PostgreSQL, Python, HTML5, CSS3, TypeScript, JavaScript, Git, Docker, WebSockets, Tailwind CSS, SQLAlchemy, Prisma, Drizzle, Redis, ORM
1mo
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Staff Software Engineer
Columbus or Austin or Denver
HybridFull Time
Lower
Lower: Provides digital mortgage lending and homeownership financial services.
8+ YOE8+ years in software engineering; full-stack with backend/frontend; TypeScript, React, AWS, Next.js, Node.js, PostgreSQL; AI-assisted tooling experience; strong CS fundamentals; fintech/lending experience a plus.
TypeScript, React, AWS, Next.js, Node.js, PostgreSQL, Cursor, Claude Code, Codex, GitHub Copilot
4w
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Staff Software Engineer, Core Products
Denver or San Francisco or San Jose or New York City or Scottsdale
$163k-$247k/yr HybridFull Time
Gusto
Gusto: Cloud-based payroll and HR software for small businesses.
8+ YOE8+ years software development experience, full‑stack proficiency (frontend + backend), experience with large Ruby/Rails and Javascript/React codebases, AI tool fluency, mentoring experience, owning multi‑quarter projects.
Ruby/Rails, Javascript/React
7h
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Software Engineer
United States or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Madison or Milwaukee or Minneapolis or Nashville or Omaha or Providence or Springfield or Saint Louis or Washington
$76k-$234k/yr HybridFull Time
Husch Blackwell
Husch Blackwell: A nationwide firm providing industry-focused legal and litigation services.
5+ YOEBachelor's or equivalent,5+ years application engineering experience,full‑stack proficiency with backend focus,experience with generative AI and cloud deployment (Azure preferred),strong architecture and communication skills.
Python, Javascript, TypeScript, React, Vue, Azure, CI/CD, LLM APIs
1mo
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Sr. Software Engineer - Accounting
Santa Barbara or San Diego or Dallas or Atlanta or Chicago or Washington or San Francisco or Denver
$138k-$173k/yr RemoteFull Time
AppFolio
AppFolioNASDAQ: APPF: Provides cloud-based property and investment management software.
5+ YOE5+ years building service-based/SaaS applications, deep full-stack experience (backend + frontend), strong automated testing and Agile experience, mentoring ability, and experience with modern languages and frameworks.
Ruby on Rails, TypeScript, GraphQL, React, AWS, PySpark, Apache Airflow, AWS Glue, Hadoop, Ruby, Java, Python, Scrum, Kanban
1mo
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Senior+ Software Engineer - Integrations Platform
Denver or San Francisco or India
$160k-$240k/yr OnsiteFull Time
Frontera Health
Frontera Health: AI-driven platform for automating and improving autism clinical care.
6+ YOE6+ years backend/full-stack engineering experience building APIs, integration platforms or data pipelines; strong system design and distributed systems knowledge; technical leadership and mentoring experience; experience with third‑party integrations (EHRs) and regulated data preferred.
APIs, EHRs, AI/ML
3w
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Technical Lead, Software Engineering
Denver, Colorado, United States
$145k-$175k/yr HybridFull Time
Litera
Litera: AI-powered document and workflow software for legal professionals.
6+ YOEBachelor's in CS/Engineering, 6+ years software development, full-stack experience, deep backend expertise (.NET or Laravel), TypeScript/React/Next.js, cloud (AWS/Azure/GCP), leadership and mentorship skills.
.NET, Laravel, TypeScript, React, Next.js, AWS, Azure, GCP, Docker, Kubernetes, PostgreSQL, MongoDB, DynamoDB
1mo
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Director of Software Engineering
Oakland or Golden or Houston or Reno or Salt Lake City
$269k-$300k/yr OnsiteFull Time
Fervo Energy
Fervo Energy: Generates clean electricity using advanced geothermal drilling technology.
8+ YOE3+ Mgmt8+ years software engineering experience including 3+ years technical leadership; experience building and deploying cloud full-stack/backend applications, backend fundamentals, data integrations, and production ML/AI features.
Azure, Palantir Foundry, Microsoft Fabric, App Service, Functions, AKS, SCADA, Enverus, OpenInvoice, Quorum, Aucerna
1mo
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EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineer - Sr Assoc/Consultant (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
1.5+ YOEBachelor's degree plus ~2 years related experience (or graduate degree plus ~18 months). Experience with backend/full‑stack development (Python, Java, Scala, TypeScript), cloud (AWS/GCP), containerization, IaC, LLM integration, and productionizing AI tooling; strong communication and client‑facing skills.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot
1mo
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Principal Engineer (Hold)
Denver, Colorado, United States
$108k-$168k/yr HybridFull Time
Xe
XeNASDAQ: EEFT: Provides international money transfers and online currency exchange services.
8+ YOE8+ years building production full-stack software; strong frontend (Vue.js/React) and backend (C#/.NET or equivalent) skills; SQL, AWS production and CI/CD experience; system design, payments/regulatory experience; daily use of AI coding tools.
Copilot, Cursor, Claude Code, Vue.js, React, C#, .NET, Java, Kotlin, Go, SQL, AWS, SQS, DynamoDB, S3, ECS, Lambda, CI/CD, Memcached, Redis, Jira, Confluence
3w
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Senior Fullstack Engineer (Freelance)
Paris or Montpellier or London or Denver
€520/day RemoteContract
Sweep
Sweep: Sustainability data management platform for enterprise carbon and ESG reporting.
5+ YOE5+ years shipping full-stack product; fluent in React/TypeScript; strong backend foundations (relational DBs, distributed systems, observability, security); Ruby on Rails a plus; strong testing, ownership, and communication skills.
GraphQL, React, TypeScript, Ruby on Rails, CI/CD
3mo
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Senior AI Platform and Reliability Engineer
Littleton, Colorado, United States
$96k-$145k/yr OnsiteFull Time
EchoStar
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
5+ YOEBachelor’s in CS or 5+ years in backend/full-stack software; 2+ years AI-powered development; strong Python/Java; AWS, Kubernetes; AI/ML, RAG, Milvus; observability; automation tools.
Python, Java, AWS, Kubernetes, Serverless, Ansible, Bash, Milvus, Dynatrace, CloudWatch, IBM Watsonx.ai, AWS Bedrock