33 software engineer backend jobs at 17 companies in Ballwin, MO

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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Backend Software Developer
Springfield or Vienna or St. Louis
OnsiteFull Time
INCATech
INCATech: Geospatial software solutions provider focusing on GIS and enterprise data management.
2+ YOE2+ years backend development; Node.js, Python/Java; REST APIs; ArcGIS Enterprise; Docker/Kubernetes; on-site; Top Secret clearance.
Node.js, Python, Java, ArcGIS Enterprise, Docker, Kubernetes, REST APIs, PostgreSQL, PostGIS, SQL Server
4d
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BackEnd Software Engineer (Experienced or Senior)
Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOERequires bachelor’s degree, active U.S. Secret clearance, 5+ years backend development experience with Java/Go/Python and SQL, experience with infrastructure, CI/CD, containerization, and Agile.
Java, Spring, Oracle SQL, SQL Server, PL/SQL, Go, Python, JavaScript, NodeJS, ReactJS, C++, GitLab, CI/CD, Docker, Kubernetes, Kafka, NiFi, Redis, RabbitMQ, AWS
4d
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BackEnd Software Engineer (Experienced or Senior)
Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOE5+ years backend development experience (Java, Go, Python), SQL/DB experience, bachelor’s degree, active U.S. Secret security clearance, Agile experience, CI/CD and containerization familiarity.
Java, Spring, Oracle SQL, SQL Server, PL/SQL, Go, Python, C++, GitLab, CI/CD, Docker, Kubernetes, JavaScript, NodeJS, ReactJS, Kafka, NiFi, Redis, RabbitMQ, AWS
2mo
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Sr Software Engineer - Backend
Florissant, Missouri, United States
OnsiteFull Time
Augustine Institute
Augustine Institute: Provides Catholic theological education and media for faith formation.
Extensive experience with identity systems, AWS, Node.js/Nest.js, TypeScript, and secure, compliant cloud backend.
Nest.js, Node.js, TypeScript, AWS, Keycloak, nginx, Redis, ElastiCache, Upstash, Mux, Stripe
3mo
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Backend Developer SME
St. Louis, Missouri, United States
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
14+ YOEActive TS/SCI clearance; 14+ years backend development; cloud-native; DevSecOps; leadership; experience with Python/Java/JavaScript; GitLab CI/CD; scalable distributed systems; client engagement.
Python, Java, JavaScript, Node.js, AWS, GitLab CI/CD, Docker, Kubernetes, APIs, CI/CD, Serverless, Geospatial, PostGIS
3d
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Software Engineer 2 (Backend AI)
Earth City or Atlanta or Hopkins or Denver or Cincinnati or Brookfield or Irving
$98k-$116k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
3+ YOE3+ years software engineering experience, BS or equivalent, experience with full-stack development, cloud-native and DevOps practices, AI/GenAI familiarity preferred, strong communication and problem-solving skills.
Java, Python, Spring Boot, FastAPI, Node.js, REST APIs, GraphQL, Microservices, Azure, AWS, Azure OpenAI, AWS Bedrock, LLM APIs, LangChain, LangGraph, Semantic Kernel, Docker, Kubernetes, CI/CD Pipelines, GitHub, GitHub Copilot, SQL Server, PostgreSQL, MongoDB, Vector Databases, Embedding Models, RAG
1mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Saint Louis or St. Charles or Virginia or Sun Prairie
OnsiteFull Time
NV5
NV5: Provides engineering, consulting, and geospatial solutions for infrastructure projects.
2+ YOEUS citizen with active/current Top Secret/SCI, bachelor’s in CS/Engineering/GIS/STEM, 2+ years backend engineering experience, Python/JavaScript/Node.js/Java, REST APIs, ArcGIS Enterprise, Docker/Kubernetes, cloud familiarity and strong collaboration skills.
Esri, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Python, JavaScript, Node.js, Java, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL/PostGIS, SQL Server, REST
1mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis
OnsiteFull Time
NV5
NV5: Provides engineering, testing, inspection, and infrastructure consulting services.
2+ YOERequires US citizenship and active Top Secret/SCI clearance, Bachelor’s in CS/Engineering/GIS or STEM, 2+ years backend experience, Python/Node.js/Java, ArcGIS Enterprise experience, containerization (Docker/Kubernetes), REST API design.
Esri, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Python, JavaScript, Node.js, Java, REST APIs, Docker, Kubernetes, PostgreSQL, PostGIS, SQL Server, Azure, AWS, GCP
1mo
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Software Development Engineer II- Back End
Redlands or St. Louis or Vienna
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years backend engineering experience; professional experience with Python, Node.js/JavaScript, and Java; experience with ArcGIS Enterprise, containerization (Docker/Kubernetes), API design, and Top Secret/SCI clearance required; Bachelor's in STEM.
Python, Node.js, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server
2w
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Software Developer - Meter Data Management Software (Full Stack, Back End)
Cedar Rapids or Lake Saint Louis or Mandan or United States
HybridFull Time
NISC
NISC: Provides enterprise software solutions for utility and broadband cooperatives.
1+ YOE1+ years software development; full-stack with back-end focus; experience with Databricks, Spark, AWS, Java/Scala/TypeScript, SQL/NoSQL, Docker/Kubernetes, CI/CD tools (JIRA, Confluence, Bitbucket, Bamboo); bachelor's preferred.
Databricks, Delta Lake, Spark, Kafka, Java, Springboot, Typescript, Angular, SQL, Scala, Scala Spark, Pyspark, S3, Lambda, EC2, EMR, SQS, SNS, CloudWatch, Oracle, Postgres, Cassandra, DynamoDB, Docker, Kubernetes, JIRA, Confluence, Bitbucket, Bamboo, CI/CD
2mo
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Senior Software Engineer
Atlanta or Boston or Morristown or Plano or St. Louis or St. Petersburg or Hyderabad
HybridFull Time
Zelis
Zelis: Providing healthcare payment and claims cost management solutions.
4+ YOESenior backend software engineer with 4+ years of experience building, deploying, and operating backend services and APIs on cloud, plus CI/CD and strong communication.
TypeScript, Node.js, Angular, SASS, PostgreSQL, Elasticsearch, AWS, Terraform, CI/CD, AI-assisted development tools
2mo
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Software Engineer ||
O'Fallon, Missouri, United States
$92k-$147k/yr HybridFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Hands-on full‑stack engineer; backend and frontend with Java, JavaScript, Angular, SQL; REST; Spring; secure coding and testing; Agile team contributor. Bachelor’s preferred.
Java, JavaScript, Angular, SQL, Spring, Spring Data JPA, REST, JUnit, Mockito, Jasmine
1w
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Staff Software Engineer, Data
Creve Coeur or Chicago or Seattle or United States
$117k-$171k/yr HybridFull Time
Bayer
BayerFrankfurt Stock Exchange: BAYN: Global provider of healthcare medicines and agricultural products.
8+ YOE8+ years in software/data engineering, BS in CS or equivalent, expertise in backend languages (Python, Java), cloud-native and distributed systems, event-driven architectures, CI/CD, and building large-scale data platforms.
Kafka, Kinesis, Pub/Sub, SQS, SNS, JMS, Spark, Flink, Dataflow, Dataproc, Docker, GitLab Pipelines, GitHub Actions, AWS, GCP, Python, Java
1mo
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Software Developer
United States or Missouri or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Los Angeles or Madison or Milwaukee or Minneapolis or Nashville or Oakland or Omaha or Phoenix or Providence or Springfield or Saint Louis or Washington
$105k-$237k/yr HybridFull Time
Husch Blackwell
Husch Blackwell: A nationwide firm providing industry-focused legal and litigation services.
5+ YOEBachelor's in CS/related (or equivalent) and 5+ years enterprise app development/AI/cloud engineering experience; strong C#, .NET, Azure, AI implementation, CI/CD, and cloud-native backend skills.
C#, .NET Core, .NET 8, ASP.NET, Azure App Services, Azure Web Apps, Azure Functions, Durable Functions, Azure Service Bus, Azure SQL Database, Docker, Azure Application Insights, Azure DevOps, GitHub Actions, Git, Azure AI Foundry, Azure OpenAI, Copilot Studio, Entra ID
2mo
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Full Stack Developer (Backend Emphasis)
Scott AFB, Illinois, United States
$110k-$150k/yr HybridFull Time
Agile Defense
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
5+ YOESenior full stack developer with 5+ years in Java/.NET, AWS GovCloud, REST APIs; DoD/federal experience preferred; ability to obtain security clearance.
Java, .NET, AWS (GovCloud), Lambda, ECS, EKS, Fargate, API Gateway, RDS, S3, CloudWatch, IAM, SQL, Linux, Docker, OpenAPI, Jenkins, GitHub Actions, GitLab CI, Python, Bash
23h
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Software Developer 2 (Associate)
O'Fallon, Illinois, United States
HybridFull Time
UNCOMN
UNCOMN: A technology delivering secure software solutions for public and private sector clients.
2+ YOE2+ years software development experience, backend/REST API experience, Java and Azure familiarity, Agile/Jira experience, eligible for U.S. Secret clearance, strong communication and problem-solving skills.
Java, Microsoft Azure, RESTful APIs, Jira
2d
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Software Engineer - Full Stack
St. Louis, Missouri, United States
$110k-$115k/yr OnsiteFull Time
LaunchCode
LaunchCode: Nonprofit providing free tech education and job placement services.
5+ YOE5+ years experience building and maintaining production systems; strong Postgres SQL skills; backend language proficiency (Golang preferred; Java/C#/C++/Python valued); front-end experience with Angular, HTML/CSS/JavaScript/TypeScript; cloud and security familiarity.
Angular, Golang, Java, C#, C++, Python, Postgres, Google Cloud, AWS, Azure, Git, Bitbucket, Node, HTML, CSS, JavaScript, TypeScript
3w
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SDC Java Software Developer---Staff/Analyst---St. Louis (St. Louis, MO, US, 63105)
St. Louis, Missouri, United States
$55k-$113k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
1+ YOEBachelor's in CS or related, 1+ year software development experience, backend (Java/Python/Node.js), REST/APIs, cloud (AWS/Azure), microservices, frontend (React/Angular), CI/CD, Git, testing/TDD/BDD; willing to travel up to 50%.
Java, Python, Node.js, REST, NoSQL, Microservices, Serverless, AWS, Azure, React, Angular, Akka, Scala, Kafka, RabbitMQ, ElasticSearch, Hadoop, Spark, Flume, Mongo, Cassandra, Git, CI/CD, TDD, BDD, IaaS, PaaS
1mo
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API Engineer
Scott Air Force Base, Illinois, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Experienced backend/platform engineer designing, deploying, and operating enterprise API platforms; Java or Python; Docker, Helm, Kubernetes, GitOps; API gateways and cloud (AWS/Azure/GCP); Secret clearance; HS diploma or GED.
Java, Python, Apigee, Gravitee, Kong, AWS API Gateway, Mulesoft, Docker, Helm, Kubernetes, GitOps, HTTP, gRPC, WebSockets, AWS, Azure, GCP, Git, Jenkins, JIRA, Confluence, Nexus, Bitbucket, SQL, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring Boot, Spring Data, Kafka, RabbitMQ
1mo
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API Engineer
Scott AFB, Illinois, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Backend/platform engineering with Java or Python, experience operating API gateways (Apigee, Kong, Mulesoft, AWS API Gateway), DevOps (Docker, Helm, Kubernetes, GitOps), cloud (AWS/Azure/GCP), Git/Jenkins/JIRA, and eligible for Secret clearance; HS diploma/GED required.
Java, Python, Apigee, Gravitee, Kong, AWS API Gateway, Mulesoft, Docker, Helm, Kubernetes, GitOps, HTTP, gRPC, WebSockets, AWS, Azure, GCP, Git, Jenkins, JIRA, Confluence, Nexus, Bitbucket, SQL, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring Boot, Spring Data, Kafka, RabbitMQ