Top Remote Software Engineer Jobs in St. Louis, MO

Software Engineer Interns spend 12 weeks contributing to collaborative engineering teams at SingleStore. They develop features, test software, own projects end-to-end, and continuously deploy work to production. Interns gain exposure to the product lifecycle and business while working with experienced engineering mentors and cross-functional teams. The role requires strong computer science fundamentals, programming ability in JavaScript, Golang, or TypeScript, and an interest in building reliable software.

Develop and deploy reliable software for SingleStore’s distributed SQL database. Responsibilities include designing, coding, testing, and improving systems involving query optimization, fault tolerance, concurrency, multithreading, server architectures, LLMs, vector indexes, SIMD, and LLVM code generation. The role involves end-to-end project ownership, collaboration across teams, and participation throughout the product lifecycle.

Build and operate Conduit’s control plane services for provisioning, updating, repairing, and retiring customer infrastructure. Design reconciliation-based lifecycle systems, schema-driven APIs, usage metering, internal tooling, and integrations with billing and partner systems. Own contracts, versioning, reliability, asynchronous workflows, and cross-functional coordination. Participate in on-call support while improving platform maintainability and automation.

Build and operate Conduit's control plane services for provisioning, updating, repairing, and retiring customer infrastructure. Design schema-driven lifecycle systems, usage metering, APIs, contracts, internal tooling, and integrations with billing and partner systems. Ensure reliability through reconciliation, event-driven workflows, idempotency, retries, and eventual consistency. Own cross-team interfaces, improve maintainability, participate in on-call, and debug complex production issues across networking, performance, data integrity, and security boundaries.

Designs and maintains automated testing frameworks for AI-powered applications, APIs, backend services, and distributed systems. Defines test strategies, acceptance criteria, evaluation metrics, tolerances, and quality gates for deterministic and non-deterministic software. Builds regression, integration, API, and end-to-end coverage; evaluates LLMs, agents, prompts, and tool-calling workflows; integrates testing into CI/CD; analyzes failures, telemetry, and logs; reduces flaky tests; and partners with AI, engineering, and product teams on continuous quality practices.

Lead the technical vision for test automation and quality architecture across cloud, web, and mobile systems. Design scalable testing frameworks, integrate automation into CI/CD pipelines, analyze quality metrics, mentor engineers, guide technical decisions, and communicate outcomes to engineering leadership. The role emphasizes Playwright with TypeScript, Maestro with YAML, API and integration testing, system validation, and AI-first automation practices.

Develop and prototype 5G network solutions, automate and improve software development tools and environments, and help design, build, and maintain development verification labs. The role requires programming across Python, JavaScript, Bash, C/C++, and Go, along with Git, Linux, debugging, and Agile/Scrum knowledge. Work supports Nokia’s satellite-based LTE and 5G networking products.

Build and operate secure, scalable multi-cloud infrastructure across AWS, GCP, and networking platforms. Develop self-service tooling, infrastructure-as-code defaults, cloud guardrails, and standardized platform patterns. Lead cross-team infrastructure initiatives, technical investigations, and operational improvements while partnering with security, compute, routing, and other infrastructure teams.

Build and operate blockchain network infrastructure integrating protocols such as Bitcoin and Ethereum with internal services. Design reliable APIs, SDKs, data contracts, observability, and SLOs; lead multi-quarter chain integrations, architecture modernization, and migrations. Improve latency, reliability, and cost for high-throughput distributed systems while owning production services and on-call responsibilities.

Lead the architecture, technical evolution, and hands-on development of a mission-critical software platform using Java, C++, and AI/ML technologies. Responsibilities include software design, coding, debugging, code reviews, testing, CI/CD, performance optimization, security, technical planning, customer troubleshooting, deployment support, documentation, and engineering leadership. The role requires occasional customer travel and may support critical incidents outside normal business hours.

Design, build, and maintain scalable cloud infrastructure using AWS, GCP, or Azure. Implement SRE practices, monitoring, observability, capacity planning, Kubernetes and Helm deployments, CI/CD pipelines, automation, and cloud security controls. Collaborate with cross-functional teams, ensure compliance, and mentor engineers while improving reliability, availability, scalability, and performance.

Develop and architect scalable Java software for NinjaOne’s endpoint management platform. The role involves building high-availability services, leading technical initiatives, making architectural decisions, improving quality practices, collaborating cross-functionally, mentoring engineers, and addressing scalability, performance, and technical debt challenges.

Develop and scale backend patch-management software using Java and Kotlin for millions of endpoints. Implement enterprise software, design scalable systems, build REST services, work with relational databases and caching systems, and uphold rigorous testing and quality standards. Collaborate with AI workflow, server, platform, design, and product teams. React or Angular experience may support occasional frontend work.

Build and maintain scalable AWS infrastructure using Terraform and AWS CDK. Design highly available cloud environments, automate operational workflows with TypeScript, implement policy-as-code guardrails, optimize cloud costs, and lead disaster recovery planning and testing. The role also involves CI/CD, Kubernetes, networking, identity platforms, cross-team consensus building, project ownership, communication, and mentoring junior engineers.

Designs, develops, deploys, tests, and reviews software applications, features, and defect fixes. Collaborates with team leaders and users to support a product roadmap, analyze requirements, document software, provide developer-level support, and learn existing codebases. The role also involves participating in planning meetings, conferences, and occasional team travel.

Design, develop, secure, and maintain mission-critical Microsoft-platform software for DoD programs. Build C# and .NET applications, responsive JavaScript and EXT JS interfaces, REST APIs, and optimized SQL Server databases. Apply secure coding, STIG, RMF, threat modeling, vulnerability remediation, documentation, and compliance practices. Integrate Kiro AI capabilities, collaborate with cybersecurity and engineering teams, and support deployment and sustainment in classified or controlled environments.

Build Exoware’s production infrastructure from the ground up, including deployment, scaling, upgrades, recovery, CI/CD, monitoring, telemetry, security, and operational tooling. Design reliable systems across Kubernetes, ECS, cloud services, networking, and storage while writing software to automate operations. The role requires architectural ownership, production infrastructure experience, and the ability to improve the underlying distributed systems through production insights.

Lead front-end architecture and cross-team technical initiatives for the NodeZero platform. Build scalable React and TypeScript systems, reusable components, developer tooling, and shared frameworks while improving performance, reliability, accessibility, observability, and CI/CD workflows. Mentor engineers, establish engineering standards, guide technical strategy, reduce technical debt, and collaborate with Product, Design, Platform, Security, and engineering teams.

Build and maintain production software implementing healthcare interoperability standards, including FHIR and HL7. Develop APIs, services, data pipelines, validation logic, data models, and automated tests while preserving clinical meaning and data quality. Collaborate with engineers, data scientists, healthcare professionals, product managers, and operations staff to deliver scalable healthcare solutions.

Design, develop, and maintain RESTful APIs and scalable event-driven cloud solutions using TypeScript and AWS. Build infrastructure as code with AWS CDK, implement secure and highly available architectures, troubleshoot production issues, optimize performance, participate in technical planning and code reviews, document solutions, collaborate with teams and vendors, and mentor engineers on AWS best practices.

Design and build reliable, scalable backend services, search APIs, semantic and lexical search systems, and platform components serving millions of users. Collaborate with engineering, product, and QA teams to translate requirements into solutions, while improving observability, monitoring, alerting, and operational readiness. Support multi-region systems using CI/CD, infrastructure as code, containers, high availability, and disaster recovery practices.

Develop and maintain Java and Angular applications supporting USTRANSCOM’s Integrated Booking System. Responsibilities include implementing requirements, writing and reviewing code, troubleshooting defects, integrating services, supporting CI/CD and secure coding practices, participating in Agile ceremonies, documenting solutions, and contributing to unit, integration, and system testing. The developer collaborates with senior developers, QA, DevSecOps, and infrastructure teams in a fully remote environment.

Design, build, and operate high-throughput, low-latency ad-serving infrastructure processing millions of requests per second. Optimize GPU-powered TensorRT inference, feature stores, model serving, benchmarking, experimentation tooling, and system reliability. Partner with machine learning engineers to productionize models and own systems through design, deployment, observability, capacity planning, incident response, and optimization.

Own end-to-end delivery of complex software features for a virtual care platform. Design scalable systems, build AI-powered agents and workflows, enhance reliable mobile and web experiences, and translate clinical and user needs into technical solutions. Collaborate with product managers, designers, and clinical staff while focusing on patient impact, product quality, and engineering efficiency.

Build production-grade test automation infrastructure across API, integration, end-to-end, contract, regression, load, and performance testing. Develop Playwright suites, integrate automated tests with GitHub Actions release gates, create AI-assisted test generation workflows, maintain coverage dashboards, reduce flakiness, and establish performance-testing frameworks. Partner with engineers and product managers to define coverage, acceptance criteria, performance thresholds, and quality standards across the organization.