37 backend engineer jobs at 26 companies in Missouri
Backend Integrations Engineer
St. Louis, Missouri, United States
HybridFull Time
5+ YOE5+ years in data engineering, warehousing, or analytics platforms; bachelor's degree in a related field; expertise in T-SQL, PL/SQL, and Azure data ecosystems; Python, PySpark, ETL/ELT, APIs, and data modeling experience.
T-SQL, PL/SQL, Python, PySpark, C#, Java, Microsoft Azure, Microsoft Azure Data Factory, Microsoft Azure Synapse, Databricks, Microsoft Azure Data Lake, REST, SOAP, Power BI, Tableau, Looker, Microsoft Dynamics 365, Salesforce, DevOps, CI/CD, Agile, Scrum
Backend Software Engineer – TS/SCI
Redlands or St. Louis or Vienna +1 more
$97k-$162k/yr OnsiteFull Time
2+ YOE2+ years backend software engineering; Python, Java/Node.js, REST APIs, Docker/Kubernetes, ArcGIS Enterprise; US citizenship with active/current Top Secret clearance and SCI eligibility; Bachelor's in CS, Math, GIS or STEM.
Python, Java, Node.js, Docker, Kubernetes, ArcGIS Enterprise, REST APIs, PostgreSQL, PostGIS, SQL Server, Azure, AWS, GCP
Sr. Backend Engineer, Ordering
United States or Alabama or Arkansas or California or Colorado or Florida or Georgia or Illinois or Kentucky or Massachusetts or Michigan or Montana or Missouri or Nevada or New Jersey or New York or North Carolina or Oregon or Pennsylvania or Texas or Washington or Utah or Virginia or Wisconsin
RemoteFull Time
4+ YOEBachelor's degree in computer science or equivalent experience; 4+ years software development experience; project leadership, mentoring, and scalable API development experience. TypeScript and Azure are preferred.
APIs, iPad, TypeScript, Azure, Agile
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
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
Mid-Level Backend Software Engineer
Gaithersburg or Chantilly or Alexandria or Aurora or St. Louis or Tucson +3 more
$87k-$157k/yr OnsiteFull Time
4+ YOEBachelor's degree with 4–8 years or master's degree with 2–6 years; Java or Python, REST APIs, SQL, Linux, object-oriented development, US citizenship, and active TS/SCI with polygraph eligibility required.
Java, Python, RESTful APIs, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Microsoft Azure
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 +1 more
$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
Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis
OnsiteFull Time
2+ YOEUS citizenship with active/current Top Secret clearance with SCI eligibility; Bachelor's in CS, engineering, GIS, or STEM; 2+ years backend engineering; Python, JavaScript/Node.js, Java; REST APIs; ArcGIS Enterprise; Docker/Kubernetes; background check and drug screening.
Python, JavaScript, Node.js, Java, REST APIs, ArcGIS Enterprise, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server
Software Engineer, Back-End Focus
United States or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Kentucky or Massachusetts or Maine or Maryland or Michigan or Minnesota or Missouri or Montana or North Carolina or Nebraska or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or South Dakota or Tennessee or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or Ontario
$110k-$127k/yr RemoteFull Time
Experience shipping small to medium software projects; proficiency in Ruby, JavaScript, or TypeScript; startup experience; fast learning; and availability in Central or Eastern time zones preferred.
Ruby on Rails, TypeScript, PostgreSQL, Ruby, JavaScript, Agile, Restricted Stock Units (RSUs), Artificial Intelligence (AI)
Software Development Engineer II – Back-End (Mission-Focused | ArcGIS)
Redlands or St. Louis or Vienna +4 more
$97k-$162k/yr OnsiteFull Time
2+ YOE2+ years backend software engineering; Python, JavaScript/Node.js, Java; REST APIs; ArcGIS Enterprise; Docker/Kubernetes; US citizenship with active or current Top Secret clearance with SCI eligibility; Bachelor's in CS, Math, GIS, or STEM.
Node.js, Python, JavaScript, Java, ArcGIS Enterprise, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server
Software Developer III - Cloud Platform (Back End, Authentication)
Atlanta or Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
6+ YOE6+ years software development or infrastructure experience; Java, Springboot, Gradle, Angular, Docker, Python, Terraform, RESTful APIs, microservices, CI/CD, Git; hybrid work from Atlanta, Cedar Rapids, Lake Saint Louis, or Mandan.
Java, Springboot, Gradle, Angular, Docker, Python, Terraform, Git, AWS
Sr AI Context Engineer
Lee's Summit or Missouri or Alaska or Hawaii or California or Washington or Oregon or Colorado or Wyoming or Montana or New York or Connecticut or Vermont or Pennsylvania or Maine or United States
$125k-$158k/yr RemoteFull Time
5+ YOE5+ years backend/software or applied ML experience, 1–2 years GenAI/RAG focus, strong Python and SQL, experience with vector search, document parsing, HIPAA-compliant handling of PHI, and retrieval evaluation.
Python, SQL, Airflow, Prefect, Temporal, LlamaIndex, Unstructured.io, LangChain, Pinecone, pgvector, Azure AI Search, Weaviate, Qdrant, Ragas, TruLens, Arize Phoenix
Senior Software Engineer
O'Fallon, Missouri, United States
$115k-$184k/yr OnsiteFull Time
Proven experience developing backend applications in Linux with C/C++, deep knowledge of computer architecture and performance engineering, and experience with automation scripting (shell, TCL, Perl, Python).
C, C++, Linux, shell scripting, TCL, Perl, Python, Dynatrace, Splunk
Lead Engineer - Observability Platform
Rhode Island or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Vermont or Washington or Wisconsin or West Virginia or Wyoming
$107k-$284k/yr RemoteFull Time
7+ YOERequires 7+ years of software engineering, 5+ years in observability, Go or Java backend services, OpenTelemetry, cloud-native platforms, public clouds, distributed pipelines, Grafana, IaC, and relational databases.
Go, Java, OpenTelemetry, OTLP, Python, Spring Boot, Docker, Kubernetes, Argo CD, AWS, GCP, Azure, Helmcharts, Kustomize, Grafana OSS, Loki, Tempo, Mimir, Terraform, CloudFormation, PostgreSQL, MySQL, Envoy, Istio, Datadog, New Relic, AppDynamics, OpsGenie, PagerDuty, GoAlert, Kafka, Pulsar, ClickHouse, Bigtable, Cassandra, CI/CD, mTLS
Senior Software Engineer – Splunk Platform Authorization
Boulder or Birmingham or Juneau or Phoenix or Denver or Hartford or Dover or Miami or Atlanta or Honolulu or Boise or Chicago or Indianapolis or West Des Moines or Topeka or Frankfort or Baton Rouge or Augusta or Annapolis Junction or Ann Arbor or Minneapolis or Jackson or Clayton or Helena or Lincoln or Reno or Concord or Santa Fe or Research Triangle Park or Bismarck or Richfield or Oklahoma City or Portland or Philadelphia or Providence or Columbia or Pierre or Nashville or Austin or Montpelier or Charleston or Appleton or Cheyenne or United States +2 more
$139k-$204k/yr RemoteFull Time
7+ YOEBachelor's in CS/Engineering with 7+ years, Master's with 4+, or PhD with 1+; C++ backend development; distributed systems experience; technical leadership; U.S. work authorization required.
C++, Go, Kubernetes
Principal Software Engineer
Kansas or Missouri or Oklahoma or Tennessee or Texas
$170k-$185k/yr RemoteFull Time
10+ YOE10+ years hands-on software engineering experience at Principal level; Bachelor's in Computer Science or related field; strong backend skills in Python or TypeScript; experience with REST APIs, webhooks, CI/CD, automated testing, and workflow platforms.
Python, TypeScript, REST APIs, webhooks, Power Automate, Workato, n8n, Okta Workflows, Zapier, Make, Git, CI/CD, Playwright, Cypress, Selenium, pytest, Jest, Postman, Newman, SQL
Sr. Database Reliability Engineer II
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Washington, D.C. or Wisconsin
$130k-$180k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent experience, 8+ years of software engineering experience, expert MySQL expertise, backend programming experience, and knowledge of SQL optimization, distributed systems, architecture, and database reliability.
MySQL, Postgres, SQL, Java, C#, Go, Python, Kotlin, Scala, Google Cloud Platform (GCP), Cloud SQL, Cloud Monitoring, Cloud Logging, Pub/Sub, Cloud Storage, Secret Manager, Cloud Build, Cloud Deploy, ADP
Senior Software Engineer - Full Stack
Kansas City, Missouri, United States
$110k-$270k/yr RemoteFull Time
5+ YOE5+ years software product development experience, 5+ years backend engineering in Java or similar OOP languages, modern frontend development (React preferred), REST and SOAP API integration, relational database skills (MySQL, Oracle, SQL Server).
Java, React, REST, SOAP, MySQL, Oracle, SQL Server
Software Engineer, AI Data - Kansas City, MO, USA
Kansas City, Missouri, United States
$140k-$200k/yr RemoteFull Time
5+ YOE5+ years professional software engineering experience with strong backend fundamentals; proficiency in Python and Bash in Linux; degree in Computer Science or related field or equivalent practical experience.
Python, Bash, Linux, GCP, Terraform
.NET Developer
United States or Arizona or Connecticut or Massachusetts or Missouri or New Jersey or New York or Florida or Vermont or Virginia or Texas or Wisconsin +1 more
$65-$75/hr RemoteContract
Eliassen Group: N/A
Strong .NET/C# development, REST APIs, backend services, enterprise integrations, production-grade applications, and ability to translate legacy functionality; mid-level to senior experience; W2 contract-to-hire.
.NET, C#, Kafka, Salesforce, Concur, OneStream, Apicurio
Software Developer
Missouri, United States
$75k-$85k/yr RemoteFull Time
Production backend development in Java or another statically typed language, REST API design, SQL, relational database design, developer mentorship, distributed-team collaboration, and hands-on AI coding tool use.
Java, REST API, SQL, Copilot, Claude Code, Cursor, Quarkus, Jakarta EE, Hibernate, MapStruct, Lombok, Java EE, GlassFish, React, Model Context Protocol (MCP), SQL Server, Data-tier Application Package (DACPAC), Podman, Docker
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