Senior Backend Developer Python Jobs in Indianapolis, IN

Job Description:We’re KSM, one of the top 50 largest independent advisory, tax, and audit firms in the United States. But more than our size, it’s our people and culture that set us apart. We believe great things happen when people are supported, challenged, and given the freedom to do their very best work. That’s why we’ve built a workplace where your career and personal life can thrive together – where you have the flexibility to manage your time, the resources to grow, and a team that genuinely cares about your success.We’ve been employee-owned since 2001, giving every team member a stake in our collective success. This ownership mentality fosters a culture of collaboration, curiosity, and excellence – where new ideas are welcomed, different perspectives are valued, and you’re encouraged to explore what excites you most. Whether you’re expanding your skills, tackling new challenges, or making an impact beyond the office, we provide the resources and support to help you grow in the direction that’s right for you.At KSM, your contributions matter – not just to the firm, but to your colleagues, clients, and the communities we serve across the U.S. If you’re looking for a place where you can do meaningful work, build lasting relationships, and grow in ways that align with what’s most important to you, we’d love to meet you.Position SummaryThe AI and Innovation team builds and productionizes high-impact internal software from the ground up to help teams across KSM work smarter. We're looking for a Senior Software Engineer to focus on building the core of our applications, including integrating data from platforms and APIs, developing the logic that processes and analyzes it, and building the services (increasingly including LLM- and agent-powered ones) that power what each application does. Your primary focus will be on the data and backend layer of applications and you will work closely with other engineers in the innovation team as well as stakeholders in the business to turn real problems into reliable systems.What You’ll DoBuild backend logic, agents, services, and APIs that integrate, transform, and analyze structured and semi-structured data from multiple sources to implement workflows and surface insightsWork directly with stakeholders across the firm to translate business processes and workflows into well-architected greenfield technical implementationsProvide technical leadership in data and AI systems and review code across applications to uphold standards for quality, security, and maintainabilityDevelop comprehensive application testing frameworks and evaluation infrastructure that make non-deterministic systems reliable and trustworthyDesign the data architecture (databases, models, and pipelines) that unify disparate systems of record into something applications and agents can reason overProduce and maintain clear technical documentation as systems evolveWhat We’re Looking ForBachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical field or equivalent practical experience6+ years of professional software development experience, with a strong track record in backend and/or data engineering workDemonstrated experience shipping LLM-powered applications to production (retrieval pipelines, embeddings, model APIs, and prompt and context design)Experience designing agentic or multi-step AI workflows including orchestration, tool and function calling, error handling, and quality monitoringExpertise in Python for backend web development and data processing and analysisStrong SQL and data modeling skills, plus a track record of integrating data from many disparate systems including APIs, data platforms, and unstructured document storesFamiliarity with cloud infrastructure and deployment (e.g., AWS), infrastructure-as-code, and CI/CD workflowsExperience translating defined business requirements into robust, maintainable systemsA rigorous approach to data accuracy, quality, and security, especially when working with sensitive or regulated dataAbility to collaborate across functions and communicate technical decisions to both engineers and non-technical stakeholdersNice to HaveExperience with Databricks or comparable data platformsComfort applying machine learning techniques to well-defined, structured problemsFront-end familiarity (TypeScript, React) to collaborate effectively across the stackProficiency in maintaining and debugging application via logging and monitoringExperience in tax, accounting, or professional-services domainsWe are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, color, sex, sexual orientation, gender identity, disability, genetic information, national origin, race, religion, veteran status, or any other protected category.KSM only accepts resumes directly submitted by a candidate and referrals submitted by current KSM employees. Unsolicited resumes or candidate profiles sent by staffing agencies and fee-based referral services will not be considered outside of a signed KSM vendor contract. KSM will not pay a fee to recruiters or agencies that do not have a signed KSM vendor contract. #J-18808-Ljbffr