Top Software Engineer Jobs in St. Louis, MO

The Senior Software Engineer will design and maintain data systems, create data integration SDKs, and implement data security measures while collaborating with product teams and managing data pipelines.

As a Software Engineer at Clear Capital, you will write high-quality code, evaluate implementation decisions, collaborate within a team, and tackle challenging problems to develop enterprise solutions.

The Senior Backend Software Engineer will design and maintain backend systems, optimize performance, ensure security compliance, and mentor junior engineers in a collaborative environment.

The role involves building user-facing features, collaborating with product and design teams, and ensuring high-quality product delivery while optimizing performance across systems.

The Software Engineer will scale and optimize the platform's infrastructure, manage data layers, and enhance system operations to support growing LLM requests.

As a Software Engineer at CharacterQuilt, you'll build AI marketing tools, maintain a TypeScript and React app, and collaborate on design.

As a Software Engineer, you will develop and maintain features using AI-assisted tools, collaborate with teams, and enhance software solutions for better user insights.

The Senior iOS Engineer will lead product decisions, ship code for the iOS app, and enhance the app's architecture, ensuring a user-centric experience.

The macOS Software Engineer will develop innovative features for macOS, requiring strong skills in Swift and Objective-C, along with a focus on high-quality software delivery.

Develop and optimize distributed systems for syncing customer data, focus on scalability, reliability, and performance for global clients.

Lead a team to design, develop, test, operate, and modernize APIs, microservices, and ETL pipelines. Build scalable, secure cloud-native applications using Spring Boot, Kafka, Airflow and related tools. Own full-stack code quality, reliability engineering, DevOps practices, and compliance while driving architecture, code reviews, and incremental delivery.

Develop, test, deploy, and maintain Java/Spring backend services and React frontends for traffic management and mobility platforms. Collaborate with cross-functional teams, participate in code reviews, troubleshoot production issues, and improve platform scalability, performance, and maintainability within Agile processes.

The Software Developer will code, develop, integrate, and debug software for geospatial intelligence, ensuring code integrity through validation tests while collaborating in an Agile environment.

The Senior Software Engineer will lead technical strategies, build AI-driven software systems, mentor junior engineers, and ensure security best practices.

As a Lead Infrastructure Engineer, you'll enhance database reliability, automate infrastructure, collaborate on initiatives, and participate in on-call duties.

Lead architecture and implement scalable features for the Risk Cloud platform using Spring Boot/Java and modern back-end tools. Write and review tests, collaborate cross-functionally using Agile, improve front-end performance, and contribute to CI/CD and infrastructure-as-code practices.

As a Software Development Engineer in Test, you'll create and conduct automated tests, resolve technical issues, and collaborate with development teams to ensure software quality.

The Manager of Software Engineering will lead the Developer Environments team, enhancing developer productivity through effective environment provisioning and CI/CD workflows while mentoring engineers and implementing system reliability improvements.

The Staff Software Engineer will enhance video capabilities, support live streaming and storage infrastructure, and collaborate on platform development. Responsibilities include coding, mentoring, and ensuring platform reliability for millions of users.

Develop, integrate, and test spacecraft flight software across the full lifecycle. Implement and upgrade cFS-based applications, perform unit-to-platform verification in simulation and HIL/FlatSat environments, support integration with hardware and payloads, and participate in anomaly resolution, mission operations support, and proposal activities.

Develop and maintain web and mobile features using React/React Native; build scalable backend services in C#, TypeScript, and Ruby on Rails; work with AWS (ECS/EKS/Lambda), Terraform, event-driven systems (Debezium, Kafka, SNS/NServiceBus), and Postgres/Salesforce integration. Collaborate with product and design, follow CI/CD and testing best practices, and contribute to system design and continuous improvement.

Develop and implement full stack features for a healthcare platform, focusing on both frontend (React) and backend (Node.js) development. Responsible for performance optimization, API creation, testing, and collaboration with data engineering teams.

The Software Developer designs, builds, and maintains custom software solutions, collaborating closely with product owners and development teams to deliver high-quality software while participating in Agile Scrum ceremonies.

The Software Developer will design, build, and maintain custom software, collaborate with teams, and mentor junior developers, focusing on creating high-quality applications.

The Senior iOS Engineer will drive key engineering decisions, enhance the iOS app, and engage in product strategy discussions. Responsibilities include shipping production code and maintaining app architecture.