Top Software Engineer Jobs in Indianapolis, IN

Develop and maintain Tailscale’s open-source client and backend networking software. Design, test, document, and optimize networking components, distributed systems, and overlay routing features. Own services through observability, incident response, and customer escalations while collaborating with product managers and designers. Apply security-first practices and improve system efficiency, scalability, and stability in a fully remote, asynchronous startup environment.

Build and maintain core digital banking experiences for bank administrators and customers. Responsibilities include developing user flows, robust REST APIs, backend services, and third-party integrations such as Plaid and SendGrid. The role emphasizes clean, tested, documented code, system design, error handling, logging, domain-driven design, microservice architecture, agile Scrum practices, architectural decision-making, technical guidance, and code reviews.

Designs, develops, and maintains enterprise-scale cloud-native software for Azenta’s laboratory informatics platform. Builds microservices, APIs, event-driven systems, AI-enabled capabilities, and scalable data workflows using AWS, Kubernetes, Terraform, and PostgreSQL. Leads architecture and technical initiatives, implements DevSecOps, testing, monitoring, and security practices, and collaborates with cross-functional teams. Mentors engineers, influences technical direction, supports product delivery, and contributes to reliable, compliant, multi-tenant SaaS solutions.

Own and deliver end-to-end software for AI-powered Sales applications, including user interfaces, workflows, integrations, APIs, data layers, testing, and deployments. Architect scalable solutions, support and enhance existing applications, collaborate with AI teams and product stakeholders, and lead technical initiatives. Mentor junior and offshore engineers, promote engineering best practices, and work with shared DevOps infrastructure and CI/CD platforms in an Agile environment.

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

Own the assessment, hardening, testing, modernization, and sustainment of a government SDN software baseline. Develop secure C++ and Python solutions, remediate vulnerabilities, improve testing, debug application and network issues, and support containerization, CI/CD, deployment, and security scanning. Collaborate with platform engineers and government stakeholders, document technical decisions, validate releases, and mentor engineers in Navy environments.

Join a remote engineering team to write, test, and maintain code under senior guidance; participate in code reviews, standups, and sprint planning; debug and resolve application issues; and continuously learn new technologies and best practices.

Build and maintain developer tools, SDKs, CLI, MCP interfaces, integrations, and supporting backend services. Collaborate on API contracts, compatibility, testing, releases, documentation, and shared tooling. Support developers through GitHub issues and pull requests while designing reliable systems with authentication, retries, idempotency, rate limits, monitoring, and error recovery.

The role involves optimizing hardware support within a software stack for AI model deployment, collaborating with teams and hardware vendors to enhance performance and portability across platforms.

Design, develop, test, and deploy supply chain software for inventory, warehouse, and fulfillment systems. Lead technical decisions, mentor engineers, coordinate cross-functional Agile projects, decompose work, delegate tasks, and promote strong development and testing practices. Build monitoring systems that ensure business-process correctness and support high-volume, data-intensive applications.

Lead the design, development, and optimization of scalable web and mobile applications using Ruby on Rails, React, React Native, Docker, PostgreSQL, and AWS. Own architecture, APIs, data models, monitoring, performance, and code quality while collaborating with product, data, and DevOps teams. Provide technical leadership through system design, code reviews, mentoring, and continuous improvement in a remote-first healthcare technology environment.

Design, build, and ship native Android features in Kotlin for BJAK's AI Neobank app. Integrate backend APIs, improve performance, reduce crashes, collaborate with product/design, use analytics to iterate, and add on-device AI where it improves UX.

Leads architecture, design, and implementation of Azure-based, cloud-connected IoT systems for smart home water products. Partners with product, firmware, mobile, QA, DevOps, and external teams to deliver scalable digital experiences. Defines communication patterns, data models, APIs, security practices, observability, and deployment strategies across cloud, device, and mobile ecosystems. Provides technical mentorship, supports products throughout their lifecycle, and drives continuous improvement informed by customer feedback and operational insights.

Develop scalable C++ software that defines and enforces endpoint behavior across millions of managed Windows endpoints. Responsibilities include implementing features, improving platform performance, shipping production code, designing new systems, writing architecture documents, defining subsystem contracts, and collaborating with server, UI, product, and design teams. The role requires deep Windows systems and kernel-driver expertise, with preferred experience in WHQL, minifilter or WFP drivers, macOS Endpoint Security, and Linux kernel development.

Refactor and migrate legacy U.S. Air Force web applications to a DoD software factory with minimal downtime. Build secure, tested software; identify technical debt; improve CI/CD and engineering practices; communicate technical tradeoffs to government stakeholders; and coach government engineers and military developers. The role works remotely with cross-functional teams and includes occasional travel to Air Force bases.

Own test strategy for a portfolio of government web applications, build automated regression suites, integrate testing into CI/CD, and lead four test engineers. The role replaces manual regression, improves release confidence and delivery speed, and embeds security into development pipelines. Responsibilities include coaching government testers and engineers, communicating readiness to nontechnical stakeholders, and supporting adoption of sustainable testing practices in a U.S. Air Force environment.

Lead the technical vision and architectural evolution of Huntress’s Core Platform. Build complex Ruby on Rails features, solve scaling challenges, manage cross-team dependencies, drive architectural decisions, and oversee system lifecycle and technical risk. Mentor engineers, establish engineering excellence, collaborate with managers and product leaders, and help teams adopt AI coding tools responsibly.

Leads a small engineering pod building and operating Humana’s NBA orchestration platform. Designs durable Temporal workflows, Node.js/TypeScript services, Kafka event pipelines, transactional outbox processing, activation integrations, acknowledgment and reconciliation workflows, and distributed-systems reliability controls. Provides hands-on coding, architecture leadership, observability, operational support, cross-team coordination, mentoring, and delivery accountability across the member action lifecycle.

Build and ship production software for Toast’s retail platform, partnering with engineering, product, and customers. Responsibilities include identifying opportunities, designing and prototyping end-to-end solutions, making foundational technical decisions, incorporating customer feedback, tracking industry trends, and deploying AI-powered experiences. The role supports large grocery and convenience-store customers and may involve visiting stores to understand operator workflows.

Design and own NodeZero’s over-the-air update infrastructure across thousands of customer deployments. Responsibilities include delivery protocols, version negotiation, rollout orchestration, health verification, rollback, fleet state management, constrained-environment delivery, reliability, incident response, architecture, production coding, and mentoring engineers. The role requires secure, highly reliable distributed systems that operate across air-gapped and customer-managed Kubernetes environments.

Staff Engineer responsible for database architecture, performance, reliability, migrations, and operational standards across PostgreSQL, graph, and time-series data stores. The role involves writing production code, analyzing query performance, designing failover and migration systems, mentoring engineers, and guiding database practices across teams. Candidates need deep PostgreSQL expertise, experience with graph and analytical databases, cloud or Kubernetes operations, and proficiency in Go or Python.

Own the architecture and operation of NodeZero’s container image build, signing, scanning, CI/CD, and over-the-air delivery systems. Establish standards for reproducible builds, artifact versioning, release gating, rollout, rollback, and security. Write code, design systems, respond to operational incidents, make cross-team technical decisions, and mentor engineers. The role requires deep container, Kubernetes, release engineering, and secure software supply chain expertise.

Lead the architecture and implementation of a shared partner-integration framework connecting NodeZero with security and ITSM platforms. Build complex production integrations, define reliability and observability standards, advise on API patterns, respond to incidents, create architecture documentation, and mentor engineers. The role requires hands-on software development in Go or Python, expertise in distributed systems and API integrations, and experience with cloud-native environments such as Kubernetes and AWS.

Develop and release full-stack features from discovery through production for a consumer-facing education technology product. Collaborate with engineers, designers, and program staff; make product and architectural decisions; write and review maintainable code; participate in on-call rotation; and improve platform operations and internal tooling.

Develop and support enterprise full-stack applications using Java, Spring Boot, Python, React, and cloud technologies. Build secure APIs, microservices, integrations, chatbot interfaces, and conversational UI features. Deploy cloud-native applications with Azure or AWS, Docker, and Kubernetes while contributing to CI/CD, testing, monitoring, security, and architecture. Collaborate with product, engineering, architecture, and business teams in an agile environment.