Top Senior Software Engineer Jobs in Dayton, OH

Lead backend and full-stack work on the Payments team, building multi-gateway integrations (Stripe, PayPal), payment APIs, and customer payment UIs. Ensure secure, compliant (PCI-DSS) payment flows, reliability, observability, and scalability across AWS/Kubernetes microservices. Partner cross-functionally to design architecture, implement settlement/reconciliation, and maintain high availability.

Serve as the technical IC leader for the Provider organization: set technical roadmap and engineering standards, design and review architectures, drive cross-team initiatives, mentor engineers, and deliver high-throughput, low-latency, cloud-based microservice systems for provider-focused products.

Build and scale full-stack systems to improve provider onboarding and supply; design distributed, maintainable services; lead high-priority projects; mentor engineers; integrate AI-assisted and LLM-based features; drive provider-facing product quality and reliability.

Lead design and delivery of complex web and mobile product areas, build and maintain React/React Native applications, architect scalable systems and APIs, optimize databases and performance, drive engineering standards and test coverage, mentor engineers, and collaborate with leadership and stakeholders in a fully remote environment.

Design and implement high-throughput, GPU-accelerated edge computing systems using Modern C++ and GPU frameworks. Optimize custom GPU kernels, profile CPU/GPU pipelines, abstract hardware peripherals for diverse radio/sensor platforms, and manage embedded Linux build/deploy and containerized accelerator exposure. Lead engineering teams through full product lifecycle and present to government stakeholders.

Lead architecture and development of end-to-end remote sensing and SDA processing systems. Design radiometric/spectral models, advanced imaging algorithms, ML-based detection and multi-sensor fusion, trajectory estimation, and scalable scientific computing solutions. Mentor engineers, set technical roadmaps, and collaborate with mission stakeholders to deliver secure, production-grade analytics.

Lead architecture and implementation of cloud-native, data-driven full-stack microservices. Develop distributed back-end services (Python/Java/Spring), govern AWS/Kubernetes deployments, drive DevSecOps and CI/CD, integrate large-scale data/search pipelines (Kafka, NiFi, Elasticsearch), mentor engineers, set technical direction, and evaluate emerging AI/LLM technologies for mission application in classified environments.

Architect and build backend systems for a real-time Command and Control platform directing large swarms of heterogeneous aircraft. Develop distributed infrastructure for mission control despite intermittent communications, ingest and process high-throughput telemetry and sensor data, and manage scheduling and data links. Own backend features from design through deployment while supporting reliability, scalability, CI/CD, QA, and DevSecOps practices.

Lead frontend architecture for Legion’s real-time Command & Control platform, enabling operators to plan and direct large swarms of heterogeneous aircraft. Build collaborative, resilient interfaces for telemetry, sensor data, scheduling, crew resources, and data-link management during intermittent communications. Establish frontend standards, mentor engineers, and deliver performance-sensitive applications with strong CI/CD, QA, and DevSecOps practices.

The Senior Fullstack Software Engineer will design, implement, and maintain features for Conveyor's SaaS platform, involving both backend and frontend work, while collaborating closely with team members and mentoring juniors.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

As a Senior Full Stack Software Engineer, you will build and improve products, create user interfaces and APIs, and collaborate with various teams to enhance the customer experience.

As a mid-level Software Engineer, you'll deliver Python-based platform features, collaborate with teams, and maintain system reliability and scalability.

Seeking a Senior DevOps Engineer for OpenSesame, focusing on CI/CD pipelines, cloud infrastructure, and automation. Responsibilities include improving developer experience and mentoring teams.

Design, build, and operate high-scale distributed observability systems for telemetry ingestion, processing, storage, autoscaling, and service provisioning. Own platform reliability, performance, capacity, and cost efficiency; participate in on-call rotations and resolve incidents through root-cause fixes. Develop automation, identify architectural bottlenecks, contribute to technical roadmaps and design reviews, and collaborate with infrastructure, product, and engineering teams.

Develop and maintain scalable EverHealth software applications, delivering new features and improving existing functionality. Responsibilities include designing solutions, writing and testing code, deploying and maintaining applications, troubleshooting issues, conducting code reviews, participating in Agile ceremonies, and expanding automated test coverage. The role requires expertise in the .NET ecosystem, ASP.NET Core, C#, JavaScript frameworks, REST APIs, relational databases, CI/CD, cloud platforms, and healthcare technology concepts.

Develop and maintain a telemedicine platform using React, TypeScript, Python/Flask, and PostgreSQL. Responsibilities include designing, implementing, testing, deploying, debugging, and supporting software across the full lifecycle; building accessible web interfaces; integrating APIs and third-party services; reviewing code and designs; documenting technical decisions; improving scalability and maintainability; collaborating cross-functionally; and mentoring engineers.

Develop high-quality, performant, accessible consumer-facing experiences for Netflix’s iOS app using Swift and GraphQL. Responsibilities include building maintainable code, automation, documentation, server-driven UI infrastructure, and ad experiences. Collaborate with product managers, designers, and engineering teams to scope projects, refine interfaces, design scalable solutions, and balance business, product, and architectural trade-offs.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

Develop backend systems for 3D AutoReview, including geometry parsing, model analysis, quality detection, rule systems, scalable APIs, and AI-assisted review workflows. Collaborate with backend, frontend, product, and machine learning teams to deliver production features. Build extensible systems for custom 3D rules and reference data while experimenting with CAD, machine learning, and large language model technologies.

Lead design and delivery of full-stack, AI-powered products and platform capabilities. Own technically complex, mission-critical areas end-to-end, partner with product and customer teams, scale data ingestion and APIs, and mentor engineers to raise engineering quality and velocity.

Lead technical strategy and delivery for mobile app infrastructure, owning shared components (design system, networking, CI/CD, observability, releases, tooling). Collaborate cross-functionally, set code/design standards, ensure operational readiness and on-call processes, mentor engineers, and drive large, business-impacting projects and migrations across the JS↔native boundary.

Lead design, build, and deploy scalable, reliable Java-based microservices in a cloud-native, event-driven AWS environment. Own backend feature design, code quality, automated testing, and FedRAMP release processes. Mentor engineers, participate in on-call/TechOps, integrate AI tools into development, and drive architecture, observability, and cross-team initiatives.

The Senior Search Engineer will focus on improving the search system for Vannevar's product, collaborating with engineers to leverage full-text search and emerging technologies, and enhancing user experience by improving search latency and relevance.

Lead technical strategy and execution for a backend ledger team building highly available, audit-grade financial systems. Drive architecture, reliability, monitoring, on-call practices, code quality, cross-functional collaboration, and mentoring to ensure accurate, scalable ledger operations.