3mo
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Backend Developer SME
St. Louis, Missouri, United States
OnsiteFull Time
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
2w
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BackEnd Software Engineer (Experienced or Senior)
Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
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
2w
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BackEnd Software Engineer (Experienced or Senior)
Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
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
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
2mo
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Senior Backend Engineer, Space Operations Intelligence & Autonomy (SOIA)
Colorado Springs or Alabama or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Hawaii or Illinois or Indiana or Kansas or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Montana or North Carolina or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or United Kingdom
$150k-$200k/yr OnsiteFull Time
5+ YOE5+ years software development, bachelor’s in CS or related, active security clearance (Top Secret preferred), experience with Java/Kotlin, Python, cloud (AWS), containers, distributed systems, Kafka, databases, and API design.
Java, Kotlin, GraphQL, GraphQL subscriptions, REST, Docker, Kubernetes, React, Python, AWS, Helm, EKS, Git, GitHub Actions, Kafka, CloudEvents, PostgreSQL, MongoDB, Three.js, HLA, DIS
1mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Saint Louis or St. Charles or Virginia
OnsiteFull Time
2+ YOEUS citizen with active/current Top Secret/SCI, BS in CS/Engineering/GIS/STEM, 2+ years backend development, Python/Node.js/Java experience, ArcGIS Enterprise integration, containerization (Docker/Kubernetes), REST API design, cloud familiarity.
Python, JavaScript, Node.js, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, PostgreSQL, PostGIS, SQL Server, Azure, AWS, GCP
1mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
2+ YOEUS citizen with active/current Top Secret/SCI clearance, Bachelor's in CS/Engineering/GIS/STEM, 2+ years backend development experience using Python/Node.js/Java, ArcGIS Enterprise experience, containerization (Docker/Kubernetes), REST API design, and cloud familiarity.
Esri, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Python, Node.js, Java, Docker, Kubernetes, PostgreSQL, PostGIS, Microsoft SQL Server, Azure, AWS, GCP, REST
4d
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Software Development Engineer III (Backend + AI)
Alabama or Arkansas or Arizona or Colorado or Florida or Georgia or Idaho or Iowa or Indiana or Kansas or Kentucky or Missouri or Michigan or Minnesota or North Carolina or New Mexico or Oklahoma or Ohio or Oregon or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wyoming
$135k-$155k/yr RemoteFull Time
7+ YOE7+ years professional programming experience, backend web architecture, security best practices, AWS, mentoring experience, BS in CS/Engineering or equivalent, participate in on-call rotation.
Unix/Linux, Golang, PHP, MySQL, MongoDB, AWS, NGINX, Redis, HTML5, CSS3, AJAX, JSON, Docker, Kubernetes, Claude Code, Cursor, LLMs, Model Context Protocol (MCP), CLAUDE.md, OAuth2
3mo
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Senior Software Engineer
O'Fallon, Missouri, United States
$115k-$184k/yr OnsiteFull Time
Backend C/C++ developer with Linux experience; familiar with performance testing, automation scripting (Python/TCL/Perl), understanding throughput/latency; agile environment.
C, C++, Linux, Python, TCL, Perl, Shell scripting, Dynatrace, Splunk
2w
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Senior Software Engineer, Wikidata Platform
Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Maryland or Massachusetts or Michigan or Minnesota or Missouri or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Puerto Rico or Rhode Island or Tennessee or Texas or Utah or Vermont or Virginia or Washington or West Virginia or Wisconsin or Wyoming or Brazil or Canada or Colombia or France or Germany or Ghana or India or Indonesia or Italy or Kenya or Mexico or Morocco or Netherlands or Poland or Singapore or South Africa or Spain or Switzerland or United Kingdom
$117k-$181k/yr RemoteFull Time
5+ YOE5+ years backend/platform engineering on distributed systems, strong knowledge-graph or database experience, proficiency in Java or C++, observability and production operations experience.
Java, C++, Kafka, Flink, Docker, Kubernetes, SPARQL, RDF
1mo
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Senior Software Engineer, e-Commerce Fulfillment
Romeoville or United States or Michigan or Nebraska or Illinois or Nevada or New Hampshire or Tennessee or Minnesota or Texas or Connecticut or Virginia or Maine or Indiana or District of Columbia or Wisconsin or Montana or New York or Maryland or Missouri or Kansas or Utah or Pennsylvania or Washington or Colorado or Arkansas or California or New Jersey or Iowa or Louisiana or Rhode Island or Massachusetts or South Carolina or Mississippi or Kentucky or Florida or Oregon or Ohio or North Carolina or Arizona or Idaho or Georgia
RemoteFull Time
5+ YOE5+ years building high-scale backend applications and microservices; expertise in event-driven architectures, message brokers (Kafka/RabbitMQ), distributed transactions, cloud platforms, software design, testing, and mentoring.
Kafka, RabbitMQ, AWS, Azure, GCP, Java, JVM, .NET, C#
2w
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Senior Software Engineer, ERP (Data & Domain)
Alabama or Arizona or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kentucky or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Montana or Nebraska or Nevada or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Vermont or Virginia or Wisconsin
$110k-$130k/yr RemoteFull Time
5+ YOE5+ years backend engineering with deep data modeling, domain-driven design, PHP, SQL, event sourcing, and experience building or refactoring billing/ERP systems; ability to design canonical data models and lead migrations.
PHP, SQL
2w
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Senior Software Engineer Applied AI
Jefferson City, Missouri, United States
RemoteFull Time
7+ YOE7+ years building production backend systems, strong Python, cloud distributed systems experience, hands-on LLM/generative AI and ML lifecycle experience, disciplined data handling in regulated environments.
Python, AWS, LLMs, vector search, embeddings
1mo
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Sr. Software Engineer II, Trading Services
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 District of Columbia or Wisconsin
$140k-$190k/yr HybridFull Time
6+ YOE6+ years software development, professional Scala backend experience, Kubernetes and Google Cloud Platform experience, BA/MS in CS or related field, experience building distributed, low-latency microservices, strong problem-solving and communication.
Scala, Kubernetes, Google Cloud Platform, AI/ML
4w
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AWS Full Stack Engineer
Springfield or Reston or Arnold
$99k-$225k/yr OnsiteFull Time
5+ YOE5+ years full-stack and enterprise application development; 2+ years AWS and IaC experience; proficiency with React/Vue, backend languages (Java, Python, Go, C++), JavaScript/TypeScript, containerization, and cloud-native patterns; TS/SCI clearance required.
React, Vue, Java, Python, Go, SQL, C++, JavaScript, TypeScript, HTML, CSS, AWS, ECS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM, AWS CDK, Terraform, CloudFormation, Docker, Kubernetes, MongoDB, API Gateway
2mo
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Principal Software Engineer
Atlanta or Boston or Morristown or Plano or St. Louis or St. Petersburg or Hyderabad
HybridFull Time
8+ YOE8+ years backend software engineering; degree or equivalent; cloud, IaC, CI/CD; APIs; strong communication; leadership.
TypeScript, Node.js, PostgreSQL, Angular, AWS, Terraform, Elasticsearch, CI/CD, SASS
2w
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Software Engineer - Full Stack
St. Louis, Missouri, United States
$110k-$115k/yr OnsiteFull Time
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
1mo
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Staff Software Engineer - Search / AI
Rhode Island or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Illinois or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$107k-$284k/yr RemoteFull Time
7+ YOE7+ years software engineering, 5+ years cloud-native app experience (GCP/Azure/AWS), backend programming in Java/Python/Kotlin/Go, microservices design, AI/LLM integration, search tech, CI/CD, Docker/Kubernetes, observability.
GCP, Azure, AWS, Java, Python, Kotlin, Go, Elastic, OpenSearch, Solr, Lucene, GitHub, Jenkins, CircleCI, Harness, Docker, Kubernetes, LLMs, Retrieval-Augmented Generation (RAG), CI/CD
1w
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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
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
2w
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Principal AI Engineer
St. Petersburg or Alabama or Arizona or Florida or Georgia or Hawaii or Idaho or Louisiana or Maine or Maryland or Missouri or Montana or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Oklahoma or Oregon or Texas or Utah or Virginia or West Virginia or Wisconsin
$180k-$200k/yr HybridFull Time
10+ YOE10+ years building production software and production AI applications; strong Python and AWS experience; ability to work across frontend, backend, cloud, and AI systems; debugging and architecture skills.
React, Next.js, TypeScript, Tailwind CSS, Python, Django, FastAPI, PostgreSQL, Redis, OpenAI, Anthropic, Gemini, RAG, vector databases, embeddings, AWS, ECS/Fargate, S3, Lambda, Terraform, Docker, Cloudflare, CI/CD
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