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Top Front-End Developer Jobs in St. Louis, MO

Mid level
Financial Services
This role involves leading Developer Relations for Ondo Finance's developer ecosystem, focusing on building web3 infrastructure for Real World Assets. Responsibilities include engaging with developers, creating tutorials and code examples, facilitating hackathons, and prioritizing product needs. The position calls for excellent communication skills and a strong background in Developer Relations and software engineering in web3.
Reposted 3 Days Ago
Remote
USA
Senior level
Senior level
Software
The Senior Quality Assurance Engineer will lead automated testing of SDKs across multiple platforms, collaborate with cross-functional teams to define QA processes, develop modular automation frameworks, manage bug tracking, and produce technical documentation for testing procedures.
3 Days Ago
Remote
2 Locations
170K-200K Annually
Senior level
170K-200K Annually
Senior level
Cloud • Hardware • Information Technology • Software • Quantum Computing
In this role, you will develop and maintain services and client SDKs for Rigetti Quantum Cloud Services, focusing on API development and optimization while ensuring reliability and performance. You will collaborate with various teams, lead architectural discussions, and take responsibility for the operational stability of deployed services.
Reposted 3 Days Ago
Remote
United States
Senior level
Senior level
Mobile • Other • Software • Analytics
As a Senior Software Engineer in the Analytics Team at OneSignal, you will design and implement backend services, manage deployments, conduct data analysis, and lead significant projects to enhance the platform's performance. Collaboration with product managers and engineers will be essential to ensure effective messaging strategies for customers.
3 Days Ago
Remote
U.S.
130K-160K Annually
Senior level
130K-160K Annually
Senior level
Software
The Senior Software Engineer will develop advanced web and mobile solutions using Flutter, guide best practices in application development, mentor junior engineers, solve complex issues, and optimize performance while collaborating with cross-functional teams.
Top Skills: Async ProgrammingCi/CdDartFlutterGitGraphQLRestful Apis
3 Days Ago
Remote
United States
Senior level
Senior level
Blockchain
The Front-End Developer at Toku will lead the development and maintenance of a scalable UI design system for web applications. Responsibilities include building responsive components with modern technologies, collaborating with stakeholders, optimizing performance, and adhering to coding standards. The role requires a strong focus on front-end architecture and staying updated with industry best practices.
3 Days Ago
Remote
United States
Senior level
Senior level
Design
The Freelance Senior Developer will create interactive digital experiences by leveraging UX, UI design, and functional expertise while collaborating with project teams. Responsibilities include front-end development, QA testing, and managing client expectations, all while using modern coding standards and tools.
Top Skills: .NetAdobe Creative SuiteCSSGitHTMLJavaJavaScriptJavascript FrameworksLessObjective-CPHPPythonRubySassSQLSvn
3 Days Ago
Remote
USA
Entry level
Entry level
Artificial Intelligence
Phaidra is seeking individuals for their engineering talent pool, focusing on AI-powered control systems for industrial automation. Candidates are encouraged to submit resumes and cover letters detailing their ideal positions and skills. The environment is remote and values collaboration, transparency, and empathy.
Top Skills: AIControl SystemsReinforcement LearningSensor Data
3 Days Ago
Remote
United States
132K-190K Annually
Senior level
132K-190K Annually
Senior level
Information Technology • Software • Consulting
As a Senior Site Reliability Engineer, you'll manage cloud infrastructure, ensuring uptime and optimizing performance through automation and reliability practices. You'll collaborate with engineering teams on microservices, develop CI/CD solutions, and educate staff on best practices, while participating in a 24x7 on-call rotation.
Top Skills: Amazon Web Services (Aws)AnsibleBashConsulGitGitlabGoGoogle Cloud Platform (Gcp)GroovyHelmJenkinsKubernetesPackerPythonSaltTerraformVault
Reposted 3 Days Ago
Remote
United States
Senior level
Senior level
Blockchain • Cryptocurrency
The Engineering Manager will oversee a team of engineers to enhance digital asset trading systems, focusing on hiring and mentoring engineers, strategic planning, and operational excellence. They will ensure high availability and robust performance of trading services while collaborating with product and technology teams.
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