Top Senior Software Engineer Jobs in Indianapolis, IN

As a Senior Software Engineer at Aspire, you'll lead the development of user-facing features, manage complex projects, and collaborate with cross-functional teams to enhance product functionality.

The staff software engineer will lead technical design, develop AWS microservices and automation solutions, and mentor team members.

Work across the full stack on Higharcs Estimate product: optimize queries, build React UI components and frontend state, write e2e tests, integrate external APIs, and occasionally work with CAD/geometry. Own projects end-to-end, maintain code quality through tests and reviews, and collaborate cross-functionally to deliver high-impact features.

The Senior Software Engineer will develop a new Managed Service Provider solution for mobile security, focusing on feature development and complex projects, guiding initiatives from design to deployment.

Design, implement, and maintain high-quality, highly available microservices for Azure Messaging and Fabric. Drive AI adoption to improve development practices, optimize system IO and performance, and lead innovation in product and engineering processes while following rigorous development and security screening practices.

Design, build, and maintain a secure cross-platform situational-awareness platform from a single codebase (Flutter client, Go backend). Work full-stack on real-time, offline-first, and resilient systems, integrate with defense systems, harden security (PKI, mTLS, token auth), and collaborate with cross-functional teams and government partners.

Build and evolve a large-scale search and reporting platform: design and implement streaming data pipelines, improve search relevancy and indexing, scale systems 10x, control costs, ensure production readiness (testing, monitoring, reliability), support escalations, and collaborate on architecture, code reviews, and hiring.

Lead the development of high-performance software systems, mentor junior engineers, and contribute to technology strategy while ensuring scalable and maintainable solutions.

Build and maintain infrastructure automation, integrations, and SRE tooling. Develop backend services, infrastructure-as-code, observability, and provisioning for bare metal, VMs, and Kubernetes. Collaborate with hardware, software, and AI teams, drive operational excellence, and provide technical leadership.

Build and own integrations between HubSpots financial systems (ERP, billing, tax, revenue recognition). Ensure financial correctness, SOX compliance, reliability, incident response, and clear cross-functional communication with Finance, Compliance, and auditors. Mentor engineers, improve reporting pipelines, and participate in hiring.

Lead design and delivery of medium-to-large backend projects, architect scalable distributed systems, mentor engineers, use LLMs and agentic tools to accelerate development, participate in on-call rotations and incident response, and collaborate with Product and Design to build customer-focused solutions.

Build and maintain the full-stack Raise product: polished donor-facing UIs and backend systems. Own features end-to-end, ensure scalability, reliability, and performance, review AI-generated code, collaborate with Product and Design, write clean testable code, and support observability and incident resolution.

Design, implement, and own production platform subsystems for an enterprise AI control plane. Deliver production-ready Go services on Kubernetes, ensure reliability, observability, and scalability, mentor engineers, drive design docs and code quality, and contribute to the open-source ToolHive/MCP ecosystem.

Design, implement, debug, and ship features for Azure Storage front end at cloud scale. Drive design, dependency identification, automation, reliability, observability, and on-call incident response while collaborating with stakeholders and mentoring engineers.

Lead Toronto site technical work for storage and search infrastructure. Re-architect multi-region storage (Aurora, DynamoDB, S3, ElastiCache/MemoryDB), unify OpenSearch-based search, drive cell isolation, improve DR (RTO/RPO) and debuggability, mentor engineers, and deliver large infrastructure projects end-to-end.

Lead advanced software engineering efforts for nuclear reactor design and analysis, developing tools for modeling, simulation, and design optimization while mentoring other engineers.

Design, build, and operate scalable web applications, APIs, services, and AI-enabled workflows. Use AI tools across the development lifecycle, ensure reliability, performance, and observability, contribute to technical decisions, iterate from user feedback, and own production quality and delivery as part of cross-functional squads.

Lead and coach a software engineering team to design and deliver production-grade reference architectures, sample applications, and reusable implementation patterns. Provide hands-on technical leadership across cloud-native, containerized, and distributed systems; drive architecture and adoption of best practices; partner with platform and infrastructure teams; participate in coding, prototyping, and troubleshooting; manage staffing, prioritization, and delivery planning.

Join Twilio as a Staff Software Engineer to design and build scalable, reliable communication systems. Collaborate with cross-functional teams, mentor engineers, drive technical direction, perform architecture and code reviews, and deliver high-quality production services in a remote-first environment.

Senior Software Engineer at Twilio will design, build, and maintain scalable communication systems, collaborate with cross-functional teams, mentor engineers, and contribute to architecture and delivery. Responsibilities include writing high-quality code, improving performance and reliability, shipping product features, and participating in technical planning within a remote-first, inclusive environment.

Design, implement, and operate highly scalable Azure cloud services and full‑stack features for Compute Manager. Own design, coding, debugging, reliability, and on‑call operations as a DRI. Collaborate across teams to improve availability, performance, observability, and run distributed systems at hyperscale.

Build and evolve APIs and frontend surfaces for data products. Translate business requirements into scalable systems, ensure data integrity, design frontend and backend architecture, improve developer self-serve tooling, collaborate with stakeholders, and mentor engineers while maintaining strong code quality and delivery practices.

Design, develop, and maintain scalable, secure backend services and APIs for a healthcare caregiver platform. Drive cloud-native modernization (microservices, serverless), ensure compliance (HIPAA, OWASP), troubleshoot production issues, optimize performance, mentor junior engineers, and collaborate with product and architecture teams to deliver reliable, high-performing solutions.

Design, build, and operate managed compute primitives for Temporal Cloud: autoscaling, multi-tenant safety, cloud integrations, observability, and production-grade reliability. Own API design, rollout, SLOs, incident response, and cross-team technical leadership.

Lead front-end-focused full‑stack development for a multi‑tenant SaaS online banking platform. Build reusable component libraries, migrate legacy UI, optimize UI performance, troubleshoot across front-end and service layers, participate in on‑call rotations, mentor junior engineers, and ensure API‑first integrations and cloud‑native deployments.