Top Senior Software Engineer Jobs in Indianapolis, IN

You will modernize a VB6 legacy codebase using AI tools, refactoring and building new components in Python and SQL while debugging production issues.

Design and implement backend components for a distributed vector database, focusing on performance and reliability in high-throughput environments, utilizing C and C++, while collaborating on backend capabilities.

As a Senior Software Engineer at VAST Data, you'll design and develop backend components for a distributed vector database, focusing on performance and scalability while collaborating with teams to optimize real-time data access.

The role involves developing solutions for performance challenges in data management systems, debugging issues, and collaborating with teams to enhance the platform.

As a Senior Software Engineer, you will design and develop user-facing products and back-office tools while collaborating with diverse teams to solve complex problems with innovative solutions.

Lead design and implementation of backend services for payments, billing, ledgers, settlements, and reconciliation. Drive architecture, integrate with external payment and banking partners, ensure financial accuracy, security, compliance, scalability, and operate mission-critical production services.

Design, build, test, and scale backend services and integrations (payments, billing, identity, partner integrations). Lead API design and production rollouts, build fault-tolerant systems and data pipelines, collaborate cross-functionally, and mentor peers to deliver frequent, iterative product improvements.

As a Senior Software Engineer, you will lead the architecture and delivery of high-quality production code, improve software efficiency with AI tools, and ensure system reliability through integrations and monitoring frameworks.

Design, develop, and maintain scalable software solutions. Collaborate with teams to troubleshoot issues and enhance the software delivery lifecycle. Focus on backend services, using Java and various tools for performance optimization.

Design, develop, and maintain DPU firmware, optimizing PCIe communication, managing device queues, and collaborating across teams to enhance performance and solve complex issues.

As a Senior SDET, you will design and maintain test automation frameworks, embed with product teams to ensure quality, and implement AI-powered testing solutions.

The Senior Software Engineer will develop scalable systems for cash delivery, improve developer workflows, and collaborate with teams to enhance program delivery.

As a Senior Software Engineer at Cribl, you will contribute to building and delivering improved cloud services, solve infrastructure issues, implement product roadmaps, and ensure software quality and reliability. You will work autonomously within a distributed team and engage with product development, focusing on creating scalable and reliable infrastructure solutions.

As a Staff Engineer, you will manage and evolve shared multi-cloud database infrastructure, work with streaming systems, lead initiatives, and ensure observability and performance.

Design, build, and deploy scalable contracts management features using Python and AWS. Collaborate with teams to implement backend services and maintain a growing React project.

The Senior Software Engineer will lead the design and development of core capabilities for SingleStore's data platform, focusing on high-performance systems and mentoring other engineers. This includes solving system-level problems and implementing scalable solutions in a collaborative environment.

As a Staff Engineer, you will design, build, and maintain backend functionality for scalable services, focusing on storage systems and reliability.

Build and maintain full-stack features for a React/TypeScript frontend and NestJS/TypeScript backend, integrate LLM-powered conversational agents, design APIs, auth (SSO/SAML), real-time updates, background processing (AWS SQS), database schemas (PostgreSQL/Sequelize), API docs (Swagger), and tests (Jest/pytest). Collaborate on architecture, code review, and production support.

Senior backend-focused engineer to provide technical leadership across backend, APIs, and data pipelines. Collaborate with product, design, and stakeholders, author documentation, and drive engineering best practices on a distributed remote team building scalable energy software.

Build and support TimescaleDB Enterprise on‑prem deployment and management platform. Develop frontend tooling (React/TypeScript), backend services (Go), deployment automation (Ansible), and operational PostgreSQL tooling. Write tests across unit to end-to-end, collaborate with cross-functional teams, translate operational requirements into pragmatic product solutions, and iterate on reliability and usability.

Design and build full‑stack systems solving complex, regulated business problems. Own features end‑to‑end, collaborate with product and operations, incorporate AI agents, ensure quality, scale, and measurable outcomes, and engage directly with users and stakeholders.

The Senior Software Engineer will build GPU-accelerated compute platforms for AI workloads, focusing on orchestration, resource management, and performance optimization.

Build and implement a software-defined networking platform for high-performance AI workloads, ensuring network isolation and high-speed connectivity for research and infrastructure teams.

This role involves designing and implementing infrastructure systems for AI workloads, focusing on orchestration, automation, APIs, and compliance in a cloud-native environment. Collaboration across teams is essential for project success.

Design, implement, and maintain complex, scalable features and services for an enterprise CPM platform. Lead technical design, own end-to-end delivery, mentor engineers, run code reviews, ensure API/JSON/XML contract quality, optimize performance, and improve CI/CD and engineering practices. Support production reliability and use AI-assisted development tools responsibly.