Top Senior Software Engineer Jobs in St. Louis, MO

Reposted 13 Days AgoSaved
Remote
St. Louis, MO
140K-175K Annually
Senior level
140K-175K Annually
Senior level
Other
The Senior Software Engineer develops and maintains web applications and APIs, improves architecture, mentors juniors, and ensures code quality.
Top Skills: ArgocdAws Api GatewayAws CloudformationAws CloudwatchAws DynamodbAws EcsAws LambdaAws S3Aws SnsAws SqsCi/CdDockerExpress.JsGitKubernetesMySQLNest.JsNode.jsOracle DbPostgresReact
Reposted 13 Days AgoSaved
Remote or Hybrid
St. Louis, MO
160K-190K Annually
Senior level
160K-190K Annually
Senior level
Healthtech • HR Tech • Software
The Senior Software Engineer will design and develop the PBM adjudication platform, mentor junior engineers, and maintain production systems using various technologies.
Top Skills: Ai ToolingGoGrpcNestjsPostgresProtocol BuffersReactTypescript
Reposted 13 Days AgoSaved
Remote
St. Louis, MO
205K-231K Annually
Senior level
205K-231K Annually
Senior level
Cloud • Security • Software
The Staff Software Engineer will design .NET infrastructure, automate builds, maintain tooling for .NET libraries, and mentor peers while ensuring security and reliability.
Top Skills: .NetArgoAWSAzureC#DockerGCPGithub ActionsGoKubernetesMsbuildNugetTektonTerraform
Reposted 13 Days AgoSaved
Remote or Hybrid
St. Louis, MO
180K-200K Annually
Senior level
180K-200K Annually
Senior level
Artificial Intelligence • Machine Learning • Software • Analytics
As a Senior Backend Engineer at Socure, you'll develop scalable backend services for identity verification, optimize system performance, and collaborate with cross-functional teams on document processing integrations.
Top Skills: AWSDockerGCPGoGrpcJavaKafkaKubernetesRestful ApisScalaSpark
14 Days AgoSaved
Remote or Hybrid
St. Louis, MO
202K-278K Annually
Senior level
202K-278K Annually
Senior level
Artificial Intelligence • Fintech • Machine Learning • Natural Language Processing • Business Intelligence
Seeking a Staff Software Engineer to lead the design and evolution of the entity data platform, focusing on data ingestion, resolution, and delivering accurate data. Responsibilities include system architecture, improving reliability, and mentoring team members.
Top Skills: AICloud-Native ArchitecturesData PipelinesDistributed Systems
14 Days AgoSaved
Remote
St. Louis, MO
Senior level
Senior level
Artificial Intelligence • Big Data • Big Data Analytics
The Senior Software Engineer will design and operate data ingestion and processing systems for multimodal data, ensuring quality, security, and compliance while optimizing for performance and reliability. Responsibilities include building pipelines, handling messy data, and partnering with teams to enhance the platform's capabilities.
Top Skills: AirflowAWSAzureDagsterGCPPython
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
190K-230K Annually
Senior level
190K-230K Annually
Senior level
Artificial Intelligence • Healthtech • Software
The Senior Software Engineer will design and build backend services, collaborate with teams, and ensure secure coding practices in a remote role.
Top Skills: AirflowAWSElasticsearch/OpensearchKubernetesPostgresPythonReactSnowflakeTerraform
14 Days AgoSaved
Remote
St. Louis, MO
155K-185K Annually
Senior level
155K-185K Annually
Senior level
PropTech
The role involves designing, building, and maintaining software solutions, mentoring junior engineers, and participating in architectural decisions while utilizing AI tools for development.
Top Skills: Ai Coding ToolsKubernetesNestjsNext.JsPostgresReactTerraformTypescript
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
156K-205K Annually
Senior level
156K-205K Annually
Senior level
eCommerce
The Senior Software Engineer will modernize USPS shipping technology, refactor legacy systems for cloud integration, and develop high-performance services using Go, while collaborating with teams and addressing production challenges.
Top Skills: AzureConfluenceGitGoJIRAKafkaKubernetesNoSQLSQL
14 Days AgoSaved
Remote or Hybrid
St. Louis, MO
160K-180K Annually
Senior level
160K-180K Annually
Senior level
Artificial Intelligence • Machine Learning • Software • Analytics
The role involves end-to-end ownership of AWS infrastructure, managing Kubernetes platforms, and ensuring system reliability through observability and automation. Responsibilities include incident response and maintaining CI/CD systems.
Top Skills: ArgocdAWSDatadogGitGoKubernetesPythonTerraform
Reposted 23 Days AgoSaved
In-Office or Remote
St. Louis, MO
144K-288K Annually
Senior level
144K-288K Annually
Senior level
Fitness • Healthtech • Retail • Pharmaceutical
The Principal Software Engineer will lead the technical vision for cloud-native applications, mentor engineers, and ensure high standards in architecture and development.
Top Skills: AngularAzureFlutterGCPReact
14 Days AgoSaved
Remote
St. Louis, MO
172K-212K Annually
Senior level
172K-212K Annually
Senior level
Fintech • Payments • Real Estate • Software • Financial Services
The Senior Software Engineer will design, build, and scale backend services for core products at Flex, focusing on Payments and Billing. Responsibilities include leading projects, making independent technical decisions, and mentoring teammates. Requires strong experience in Java and AWS services.
Top Skills: Aurora RdsAWSCi/CdDatadogDynamoDBEksElasticacheGithub ActionsGradleJavaJunitSpring
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Reposted 21 Days AgoSaved
Remote
St. Louis, MO
Senior level
Senior level
Software
Seeking a Senior Software Engineer with 5+ years of experience to design and develop large-scale distributed systems, mentor junior engineers, and manage complex projects in a dynamic setting.
Top Skills: C#C++GoJavaKafkaMySQLNoSQLPostgresRedis
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
100K-200K Annually
Senior level
100K-200K Annually
Senior level
Aerospace
Lead development of SDR embedded software for LEON3 softcore processors: design and implement embedded C/C++ and Python firmware, autoboot FPGA/softcore loading, integrate SpaceWire and other interfaces, manage RTEMS cross-compilation, perform HW/SW integration, debugging, verification, and maintain requirements traceability and documentation.
Top Skills: AssemblyBccCC++CanCcsds Proximity-1EthernetFpgaGaisler RtemsGrmonLeon3LinuxMicrochip Proasic3PythonRccSdrSpacewireXilinx Kintex Ultrascale
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
Senior level
Senior level
Edtech • Software
The Staff Software Engineer will design and build scalable systems, lead architecture decisions, mentor engineers, and improve existing platforms using PHP, Node.JS, and AWS.
Top Skills: AWSGoLaravel 10MySQLNode.jsPhp 8.2PostgresReact 18Typescript
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
150K-165K Annually
Senior level
150K-165K Annually
Senior level
News + Entertainment
The Senior Software Engineer will own the React Native mobile codebase, collaborate with cross-functional teams, and ensure high-quality delivery of customer-facing applications.
Top Skills: ExpoJavaKotlinObjective-CReact NativeSwift
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
115K-140K Annually
Senior level
115K-140K Annually
Senior level
Healthtech
As a Senior Software Engineer at PerfectServe, you'll design, build, and maintain high-quality code for healthcare communication systems, mentoring junior engineers and collaborating across teams to improve patient care and clinical workflows.
Top Skills: .NetAdo.NetAngularAsp.Net Web ApiC#Ci/CdDapperEfGitMssqlRabbitMQReactTypescript
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
Senior level
Senior level
Edtech
Lead design and implementation of a headless Optimizely DXP front-end using Next.js on Vercel for 150+ marketing sites. Define content models and architectural standards, implement personalization and A/B testing, optimize performance and accessibility, manage CI/CD and repository ecosystems, and mentor engineering peers to enable repeatable, scalable site launches.
Top Skills: A/B TestingCi/CdContent GraphCSSEdge MiddlewareGitHTMLJavaScriptNext.JsOptimizely ApisOptimizely CmsOptimizely Cms SdkPersonalizationReactSeoServerlessTailwind CssTypescriptVercelWcag 2.2
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
Senior level
Senior level
Software
The Senior Software Engineer will design and deliver high-performance integration systems, manage end-to-end ownership of integrations, and ensure reliable compliance data flow across complex environments.
Top Skills: Api DesignAsynchronous ProcessingAWSAzureDistributed SystemsEvent Driven ArchitecturesGCPIntegration ArchitectureKafkaKinesisPub/Sub
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
Senior level
Senior level
Edtech • Fintech • Information Technology • Software
The Senior Software Engineer will lead projects, architect solutions, mentor junior staff, and work full stack on platform development.
Top Skills: AWSDjangoHerokuJavaScriptMySQLNode.jsPostgresPyramidPythonRuby on RailsReactRubySqliteVue
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
120K-185K Annually
Senior level
120K-185K Annually
Senior level
Information Technology • Consulting
The Senior Software Engineer will design, implement, and test secure applications for Identity and Access Management, leading code reviews and ensuring high-quality delivery while maintaining testing environments.
Top Skills: AuthentikAws IamAws SnsAws SqsBashDockerGoKafkaKubernetesLinuxOktaPythonRabbitMQRuby
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
225K-265K Annually
Senior level
225K-265K Annually
Senior level
Software
The Senior Software Engineer will enhance patient experiences by developing modern software for doctor's offices, contributing to product features, and participating in client feedback.
Top Skills: AILinuxPostgresPython
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
Senior level
Senior level
Fintech • Software • Financial Services
As a Senior Software Engineer, you will develop key product features for millions of users, collaborate with teams, and mentor others.
Top Skills: AWSExpressjsMongoDBReact NativeRest Apis
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
123K-202K Annually
Senior level
123K-202K Annually
Senior level
Other • Software • Analytics
Develop user interface components for ArcGIS Pro using C# and WPF, work in an agile team, and design software solutions for raster and imagery processing.
Top Skills: Asynchronous ProgrammingC#C++MvvmTask Parallel LibraryWpf
Reposted 14 Days AgoSaved
Remote
St. Louis, MO
165K-195K Annually
Senior level
165K-195K Annually
Senior level
Aerospace • Manufacturing
The Senior Software Engineer will develop and optimize systems for aerospace communications, manage project priorities, and contribute to various technical initiatives.
Top Skills: C/C++GoJavaRust
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