Top Software Engineer Jobs in Indianapolis, IN

Designs, develops, tests, deploys, and maintains high-performance software supporting MISO operations and forward energy markets. Collaborates with engineers, data scientists, operations teams, and business stakeholders to translate needs into technical solutions, improve situational awareness, integrate AI, and enhance interactive applications. Responsibilities include troubleshooting, documentation, validation, stakeholder communication, operational support, customer assistance, and participation in on-call rotations.

Build and maintain secure, scalable APIs and infrastructure for an AI-powered fintech platform. Develop features across the stack, integrate third-party APIs, deploy infrastructure with Terraform, apply compliance and security practices, and support customers as a technical point of contact. The role involves close collaboration with the CTO in a greenfield, early-stage startup environment.

Build and independently deliver complex software features using Ruby on Rails and React. Own technical solutions, clarify requirements, contribute to system design, and support deployments and production operations. Optimize performance, reliability, security, and scalability while maintaining databases, AWS infrastructure, web servers, monitoring, and CI/CD pipelines. Implement SSO integrations and compliance requirements, troubleshoot Linux environments, evaluate technologies, and mentor less experienced engineers.

Design and scale foundational APIs and backend services for LogicGate’s multi-tenant GRC platform. Build distributed systems using Java/Kotlin, Spring Boot, AWS, databases, caching, and messaging technologies. Improve reliability, observability, performance, testing, and CI/CD practices. Lead technical design reviews, collaborate cross-functionally, mentor engineers, and use AI coding tools to improve development efficiency.

Set technical direction for Toast’s Developer Experience platform, including local development, build tooling, shared libraries, testing frameworks, and developer portals. The role combines hands-on software engineering with architecture, cross-team technical leadership, AI-assisted development, developer productivity measurement, mentorship, and roadmap prioritization.

Unpaid software engineering internship focusing on full-stack web development with TypeScript, Next.js/React and Node/Express. Work on front- and back-end features, responsive UI with Tailwind, animations with Framer Motion, PostgreSQL and MongoDB integration, REST APIs, microservice-based architecture, code reviews, debugging, and product planning in a remote-first startup.

Join as a full-stack software engineer to design, develop, and maintain web applications and services. Collaborate cross-functionally, write clean code, perform code reviews, debug issues, and stay current with industry trends.

Develop scalable Java-based distributed systems for BILL’s Growth team, focusing on customer acquisition, activation, onboarding, and product expansion. Build high-performance SaaS applications using AWS services, SQL and NoSQL databases, Gradle, and CI/CD pipelines. Collaborate with feature teams and product managers while applying generative AI and LLM technologies to accelerate engineering workflows.

Develop firmware, backend systems, and tooling for cellular IoT devices. Responsibilities include C development for STM32 microcontrollers, embedded AI integration, cellular communication, low-power optimization, device debugging and validation, and backend development with Python and Ruby on Rails. The role collaborates with hardware, electronics, and manufacturing teams and requires independently leading complex development initiatives.

Build and ship end-to-end product features across an author analytics dashboard, marketing site, free tools, billing, email, and AI-assisted functionality. Design data models and APIs, integrate third-party services, develop production LLM features, and maintain testing, monitoring, performance, and observability. The role includes code review, technical documentation, independent product decisions, and close collaboration with the founder in a remote-first environment.

Develop and maintain a TypeScript and Node.js application in a federal AWS environment. Responsibilities include troubleshooting defects across frontend, APIs, databases, integrations, containers, and cloud services; performing root-cause analysis; deploying secure fixes; supporting releases and incidents; and collaborating with Test Engineers. The role also tunes and evaluates AI models, prompts, workflows, retrieval settings, and integrations while maintaining security, traceability, governance, and change control.

Builds and maintains custom software applications using .NET, Java, and JavaScript technologies. Responsibilities include software design, coding, debugging, testing, troubleshooting, and developing web-based and client-server systems. The role handles complex technical projects autonomously, may provide technical consultation and team leadership, and requires strong collaboration and communication skills. Travel up to 15% is expected.

Builds and maintains custom software applications, performing design, coding, debugging, testing, troubleshooting, and technical consultation. Works autonomously on advanced projects, may lead work groups, and follows coding standards and technical designs. The role supports web-based and client-server systems and requires strong collaboration and communication. Up to 15% travel is expected.

Build and ship customer-facing digital platform features for Slate’s direct-to-consumer EV brand. Responsibilities include designing, coding, testing, reviewing, and owning the quality of software components; integrating third-party APIs; collaborating with product and UX teams; solving problems independently; and supporting teammates through knowledge sharing.

Senior backend engineer responsible for designing and implementing new features, scaling and optimizing the platform, improving Postgres and Elasticsearch performance, fine-tuning LLMs, and making architectural decisions. Collaborate with engineering team, take ownership of features, write performant, maintainable code, and help shape product and infrastructure for data-intensive applications (NLP, search, indexing).

Develop and deliver native iOS features for MyFitnessPal’s AI-powered food logging experience. Responsibilities include implementing user interfaces, optimizing performance and network communications, building tested and secure solutions, collaborating with product and design teams, researching technical approaches, mentoring developers, and contributing to deployment and engineering best practices.

Develop and deliver native iOS features for MyFitnessPal’s Cal AI food-logging experience. Responsibilities include building interfaces in Swift, optimizing UI, storage, and network performance, implementing tests, researching technical solutions, collaborating with product and design teams, promoting engineering best practices, and mentoring junior developers.

Develop and lead frontend platform engineering for native and hybrid mobile applications. Build reusable, well-tested Android and iOS SDK components, contribute to architecture and system design, collaborate with product and engineering teams, own customer-facing deliverables, and identify product improvements while maintaining strong engineering standards.

Develop scalable backend software for lending infrastructure supporting loan origination, funding, servicing, and sales. Responsibilities include designing software modules, writing and testing maintainable code, building distributed and event-driven systems, participating in code reviews, and collaborating with senior engineers and cross-functional teams. The role uses C# or Python, relational and document databases, AWS, Docker, and Kubernetes, with emphasis on reliable, compliant financial technology.

The role involves designing, developing, and maintaining software applications. Collaboration with cross-functional teams is expected, alongside optimizing existing systems.

Senior frontend engineer responsible for developing and maintaining full-stack consumer-facing products. Owns features from design through implementation, testing, deployment, and bug resolution. Collaborates with product, UX, and business stakeholders; conducts code reviews; improves engineering processes, productivity, and code quality; documents workflows; estimates work; and mentors junior engineers. Requires expertise in React/Next.js, ORM and API development, Storybook, cloud technologies, and scalable always-available applications.

Develops, tests, supports, and maintains scalable web applications and software components across front-end and back-end technology stacks. Partners with Product Management to design solutions, contributes to Agile planning and architecture, troubleshoots deployed products, reduces technical debt, and provides technical guidance to less experienced engineers.

Design and develop highly available, fault-tolerant distributed edge computing platforms using Go, Kubernetes, microservices, and cloud technologies. Build scalable APIs, troubleshoot complex systems, conduct code reviews, optimize performance and security, collaborate cross-functionally, mentor engineers, contribute to planning, and maintain technical documentation.

Software Engineer II supporting production systems by triaging engineering escalations, resolving software bugs, shipping fixes, executing database changes, monitoring performance, and participating in on-call incident response. The role partners with product and engineering teams, documents solutions, reviews code, and owns projects that reduce recurring support issues. The engineer will work primarily with TypeScript, Node.js, React, PostgreSQL, Grafana, and Sentry in a remote-first environment.

Develop and maintain scalable SaaS solutions for financial reporting and capital markets customers. Responsibilities include full-stack development, system design, testing, monitoring, performance optimization, security, technical debt reduction, and collaboration with product managers, developers, and SRE teams. The role requires building reliable, secure, maintainable data-driven applications and contributing across the software development lifecycle.