Top Senior Software Engineer Jobs in Indianapolis, IN

The Staff Software Engineer will design and build scalable systems, lead architecture decisions, mentor engineers, and improve existing platforms using PHP, Node.JS, and AWS.

The Senior Software Engineer II will design scalable solutions, enhance application functionality, and collaborate with product managers to deliver features.

Build and ship full‑stack, behavior-driven growth experiments and user experiences to increase activation, retention, and expansion. Implement end-to-end A/B tests and feature flags, instrument analytics, analyze results, and collaborate with Product, Design, Marketing, and PLG. May participate in on-call rotation to support production services.

Design and maintain real-time vehicle-tracking, map-matching, ETA prediction, and disruption-detection systems. Build and scale real-time data pipelines, cloud backend services, and APIs. Develop infrastructure for algorithm validation and shadow testing, collaborate across product and design to prototype and deliver end-to-end features, and apply modern engineering practices through code reviews, pairing, and documentation to ensure reliable production systems.

Lead architecture and ship complex full-stack features across the stack, mentor engineers, partner with Product and Clinical teams, reduce technical debt, and integrate AI tools to improve mental healthcare outcomes.

Lead technical projects, collaborate with cross-functional teams, mentor junior engineers, and drive improvements in development practices in a cloud-based analytics platform.

Lead design, develop, test, and deploy large-scale software systems. Collaborate with product, design, and engineering teams; write scalable TypeScript/Node.js code; resolve defects and performance issues; perform code reviews; mentor engineers; improve CI/CD and IaC processes; and stay current on technologies.

Senior backend engineer responsible for designing and implementing scalable, high-availability backend services for investment and financial products. Work primarily on backend APIs, integrations with financial institutions, databases, testing, troubleshooting production issues, and contributing across the stack while focusing on performance, security, and maintainability.

The Sr Software Engineer I will enhance the affiliate link optimization platform, develop distributed systems, ensure high code quality, and collaborate across teams to drive innovative solutions in a fast-paced environment.

Design and develop high-performance services and APIs, focusing on cloud-based applications using Golang and Python, while ensuring code quality and security.

The role involves end-to-end ownership of AWS infrastructure, managing Kubernetes platforms, and ensuring system reliability through observability and automation. Responsibilities include incident response and maintaining CI/CD systems.

As a Senior Backend Engineer at Socure, you'll develop scalable backend services for identity verification, optimize system performance, and collaborate with cross-functional teams on document processing integrations.

As a Senior Software Engineer, you will lead frontend development, define architecture, optimize performance, and collaborate across teams to create user-friendly logistics applications.

As a Senior Software Engineer at PerfectServe, you'll design, build, and maintain high-quality code for healthcare communication systems, mentoring junior engineers and collaborating across teams to improve patient care and clinical workflows.

Lead end-to-end platform engineering projects to build and operate a multi-tenant data lakehouse and scalable compute infrastructure, partner with cross-functional teams, improve reliability/observability, support platform users, and drive platform usability and ML/analytics enablement.

Develop and enhance features for EnrollWise, contribute to a scalable software architecture, review code, collaborate on design and technical feasibility, and maintain software quality.

Build and ship full-stack features in weekly loops, owning problems end-to-end from stakeholder discovery to production, using TypeScript/Node backend and React/React Native frontends, leveraging AI-paired tools, and making scalable architectural decisions while collaborating with cross-functional teams.

Design, build, and maintain Kotlin APIs; optimize distributed pacing and ad delivery systems; mentor teams and ensure engineering quality; collaborate on scalable solutions.

Lead design and implementation of scalable backend solutions, write production-ready Java/Spring code, drive architecture and CI/CD, mentor engineers, ensure quality via testing and observability, collaborate with product and clinical stakeholders, and reduce technical debt.

Design and maintain low-latency, high-scale data pipelines handling billions of daily assets. Implement and optimize backend services, tune Postgres and pub/sub systems, migrate services toward Go, and operate cloud infrastructure (AWS, EKS). Collaborate cross-functionally with Hardware, ML, Web, Mobile, and Data teams, mentor engineers, and drive reliability, scalability, and feature development for pipeline services.

Design, build, and maintain Elixir and React features for PDQ Connect; ship frequently in CI/CD; troubleshoot incidents and support cases; prototype and influence technical decisions; participate in code reviews and mentor teammates.

Improve performance and scalability of web applications by identifying and resolving front-end and back-end bottlenecks. Optimize load times, API responses, and database queries; develop scalable features across the stack, monitor performance, conduct code reviews, troubleshoot production issues, and collaborate with product, design, and engineering teams.

Design, build, and maintain scalable full‑stack systems and APIs. Extend products to handle large datasets, reporting, and third‑party/Microsoft Graph integrations. Write secure, testable production code, participate in code reviews, troubleshoot performance issues, and mentor engineers. Own features end‑to‑end from design through deployment using CI/CD and DevOps practices in a distributed team.

Lead design, build, and operate scalable backend services and carrier integrations. Provide technical leadership, mentor engineers, drive architecture and best practices, write and test code, troubleshoot production incidents, and improve monitoring and reliability while collaborating with product and cross-functional teams.

Lead technical delivery of Enterprise Content Management (ECM) solutions, guiding design, development, integrations, CI/CD, automated testing, and cloud modernization. Provide hands-on .NET development, incident resolution, operational readiness, and coach engineering teams while ensuring security, retention, and governance for content services.