Top Software Engineer Jobs in Indianapolis, IN

The Lead Rust Software Engineer will design and build scalable applications, mentor teams on Rust, and contribute to complex product development.

Build and operate secure, scalable full-stack identity and authentication systems using ReactJS, TypeScript, Java, and Node.js. Own features end to end, troubleshoot distributed systems, improve reliability, and lead AI-assisted development workflows using structured specifications and prompt engineering. Collaborate with product, design, security, and engineering teams while evaluating AI-generated code for quality, security, performance, and test coverage.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

The Senior Software Engineer will design and implement systems for AI integration, build scalable backend services, and mentor team members, ensuring high-quality systems that meet user needs.

Develops and troubleshoots embedded software, processor applications, communication protocols, and electronic products. Evaluates products for failure modes, interprets customer requirements, documents code releases and testing, researches technical topics, and provides hands-on customer support. The role also involves reading pneumatic and electrical schematics, using laboratory inspection equipment, collaborating on engineering tasks, and traveling less than 10% for training, customer support, or trade shows.

Lead and mentor a team of engineers while contributing hands-on to complex features. Define architecture, drive development best practices, conduct code reviews, coordinate cross-functional requirements, and ensure timely delivery of high-quality ecommerce marketplace software.

Design, develop, and maintain scalable cloud-based microservices and foundational platform capabilities for authentication, authorization, onboarding, RBAC, reporting, auditing, notifications, and APIs. Improve reliability through observability, monitoring, alerting, infrastructure automation, and operational reviews. Provide technical leadership, collaborate across teams, guide architecture and best practices, reduce technical debt, and improve engineering efficiency.

Design, develop, and maintain scalable Python applications; collaborate with cross-functional teams to deliver features; ensure performance and quality; identify and fix bugs; maintain code quality and automation; lead and mentor team members using agile practices.

Architect, build, and maintain scalable full‑stack applications using React, TypeScript, Node.js, and AWS. Own features end-to-end, optimize performance and usability, collaborate with founders, and use AI tools to accelerate development in a fast-paced startup.

Leads the design, development, deployment, and continuous improvement of secure, scalable Order Management software, integrations, APIs, data workflows, and AI solutions. Partners with business and technology stakeholders to translate ambiguous needs into measurable outcomes, establishes engineering standards and roadmaps, and serves as the principal technical authority. Acts as a hands-on player-coach by mentoring a small engineering pod, reviewing designs and code, driving full-lifecycle delivery, and advancing responsible AI practices.

Design, build, and scale Shepherd’s core platform, backend systems, APIs, user-facing applications, and AI-powered legal workflows. Architect secure, reliable infrastructure for sensitive legal data, collaborate with legal and product teams, build internal tools, optimize performance, and own technical decisions. The role also involves rapid prototyping, mentoring and recruiting engineers, and contributing to SOC 2 readiness and data privacy practices.

Develops, supports, and architects software applications, web pages, and websites. Leads technical efforts, code reviews, architecture for smaller projects, and collaboration with product, scrum, and architecture teams. Mentors software engineers, researches development technologies, recommends solutions, manages front-end backlogs, and ensures requirements are met. Requires strong software engineering expertise across web development, cloud services, databases, DevOps, Agile, and SDLC practices.

Develop and document enterprise-grade SaaS platform functionality while improving quality and performance. Responsibilities include full-stack development, functional and unit testing, defect triage, code reviews, API and process documentation, operational support in regulated environments, and collaboration within Agile and DevOps teams. The role requires expertise in C#, ASP.NET Core, T-SQL, Entity Framework Core, web technologies, software design, debugging, distributed architectures, and high-performance APIs.

Design and scale a feature flagging and A/B testing platform, including high-throughput event ingestion, warehouse-native analytics, real-time feature flag delivery, multi-database SQL support, and distributed systems infrastructure. The role involves full-stack development, architecture, performance optimization, reliability engineering, and technical product influence within a remote startup team.

Lead technical strategy and architecture for Azure Storage geo-replication, data protection, failover orchestration, and business continuity. Drive cross-team delivery, operational excellence, telemetry, automation, AI-assisted operations, and represent the team in executive and customer engagements.

Design, develop, test, and maintain backend systems and APIs for ingesting, processing, and routing large-scale telemetry data. Own end-to-end features, contribute to architecture and internal tools, write automated tests, participate in on-call/support rotation, and collaborate with cross-functional teams to deliver scalable, high-performance distributed systems.

Designs, develops, tests, troubleshoots, documents, and maintains software applications throughout the project lifecycle. Responsibilities include coding, database and system administration, performance testing, debugging, software upgrades, requirements documentation, user support, vendor coordination, and collaboration with analysts, administrators, and engineers. The role also provides guidance to junior development staff and supports cross-departmental projects.

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.