Top Entry Level Software Engineer Jobs in Chicago, IL

Build and maintain versioned data ingestion and conflation pipelines that transform complex retail and spatial data into accurate, reliable insights. Responsibilities include entity resolution, golden-record creation, rules-based normalization, RegEx logic, LLM integration, schema evolution, and cost-effective scaling. The role emphasizes engineering rigor, high-fidelity outputs, and production-ready data for consumer dashboards.

Build and maintain a React/TypeScript operations portal and Supabase/PostgreSQL backend for autonomous aircraft medical logistics. Improve aircraft allocation, mission generation, telemetry ingestion, live dashboards, reliability, testing, logging, and observability. Integrate Python services with ArduPilot aircraft and simulations while collaborating with autonomy and simulation engineers to mature real-flight and digital-twin systems.

Develop and deploy reliable software for a distributed SQL database in a fast-paced production environment. Responsibilities include designing, coding, testing, and owning projects throughout the product lifecycle. Work may involve LLMs, vector indexes, database fault tolerance, SQL query performance, SIMD, LLVM code generation, search, and query optimization. Collaborate with engineering, product, marketing, and sales teams while developing professionally alongside experienced engineers.

Develop and deploy reliable software for SingleStore’s distributed SQL database. Responsibilities include designing, coding, testing, and improving systems involving query optimization, fault tolerance, concurrency, multithreading, server architectures, LLMs, vector indexes, SIMD, and LLVM code generation. The role involves end-to-end project ownership, collaboration across teams, and participation throughout the product lifecycle.

Develop and prototype 5G network solutions, automate and improve software development tools and environments, and help design, build, and maintain development verification labs. The role requires programming across Python, JavaScript, Bash, C/C++, and Go, along with Git, Linux, debugging, and Agile/Scrum knowledge. Work supports Nokia’s satellite-based LTE and 5G networking products.

Lead the architecture, technical evolution, and hands-on development of a mission-critical software platform using Java, C++, and AI/ML technologies. Responsibilities include software design, coding, debugging, code reviews, testing, CI/CD, performance optimization, security, technical planning, customer troubleshooting, deployment support, documentation, and engineering leadership. The role requires occasional customer travel and may support critical incidents outside normal business hours.

Designs, develops, deploys, tests, and reviews software applications, features, and defect fixes. Collaborates with team leaders and users to support a product roadmap, analyze requirements, document software, provide developer-level support, and learn existing codebases. The role also involves participating in planning meetings, conferences, and occasional team travel.

Design, implement, and optimize low-latency C++ trading applications and infrastructure. Collaborate with traders, quants, and engineers to build production-ready systems, maintain proprietary quoting and pricing tools, analyze diagnostic data, and gradually assume production ownership with mentorship.

Develop modular scientific software platforms integrating models, data, simulations, and engineering workflows for quantum systems. Build MBSE tools, APIs, data models, visualizations, and orchestration capabilities; create HPC- and GPU-enabled simulations, optimization, digital twins, and machine-learning workflows. Collaborate with multidisciplinary scientists and engineers to validate models, improve manufacturability, and deliver maintainable production software using rigorous engineering practices and AI-assisted development tools.

Own growth across the customer journey, including landing-page conversion, activation, paid conversion, retention, expansion, and monetization. Build and optimize product experiences, run A/B experiments, analyze results with SQL, and identify high-impact revenue opportunities. Develop scalable software using TypeScript, React, Postgres, Redis, and related technologies while applying AI to accelerate engineering workflows.

Build and own user-facing frontend interfaces across AI agents, app-building tools, mobile PWA experiences, and marketing pages. Responsibilities include frontend architecture, system design, data modeling, API design, maintaining high-quality monorepo code, independently shipping customer features, and delivering polished UX/UI. The role requires strong TypeScript and React expertise, familiarity with AI coding workflows, and ideally experience with containers, Postgres, and Redis.

Build and own user-facing features across Hercules’ AI Agent, App Builder, SDK, mobile app, and platform. Design scalable systems, APIs, data models, and high-quality code in a monorepo. Ship SaaS capabilities such as billing, analytics, feature flags, internationalization, and notifications. Apply strong product and UX judgment while working with TypeScript, React, Postgres, Redis, cloud infrastructure, and frontier AI coding tools.

Develop, test, document, and debug software for telecommunications and IP networking equipment across embedded, infrastructure, application, and full-stack layers. Work with Linux and Unix systems, hardware layers, device drivers, kernels, networking protocols, automation tools, and laboratory test equipment. Contribute to security analysis, software development, system testing, product concepts, and technical solutions for U.S. Federal Government customers. Travel to CACI locations or customer sites as needed and obtain a Top Secret clearance for continued employment.

Architect and build scalable, reliable onboarding systems for financial institutions. Responsibilities include developing full-stack features, integrating legacy banking and compliance systems, solving multi-tenant and real-time processing challenges, translating banking requirements into technical solutions, and owning system performance and scalability. The role involves direct collaboration with customers, product teams, banks, and engineering leadership in a fully remote startup environment.

Design, develop, test, and optimize safe, scalable real-time software for production autonomous vehicle systems. Architect continuous learning infrastructure for ML model deployment and monitoring, analyze algorithms, and collaborate with embedded, platform, AI, sensor, and compute teams. Support perception, prediction, and planning integration while contributing to highway and urban autonomous driving capabilities.

Contribute to modernization and technical-debt reduction efforts, implement and test features, participate in code reviews, follow CI/CD and Agile practices, and collaborate with senior engineers while learning cloud and security practices.

The Junior Software Engineer will engage in the software development life cycle, perform hands-on coding, diagnose product issues, and contribute to software deployment.

Design and build complex customer-facing product features, own technical decisions, contribute to architecture and technical direction, uphold code quality, mentor engineers, and support production incidents. The role collaborates closely with Product and Design across a modern web stack including React, TypeScript, Node.js, .NET, relational databases, and Microsoft Azure.

Design, develop, and maintain quantum compilation software connecting quantum circuits, error-correction systems, and hardware control. Build interfaces, intermediate representations, validation and simulation tools, and circuit-to-control translations. Conduct research in fault-tolerant quantum computing, collaborate with physicists and control engineers, deploy software to a cloud platform, and contribute to testing, documentation, proposals, publications, and team mentorship.

Design, build, maintain, and optimize quantum compilation software for the Superstaq cloud platform. Conduct quantum computing R&D, collaborate with physicists and software engineers across the quantum stack, support customers, contribute to proposals and global programs, publish research, present at conferences, and guide teammates.

Join an on-site Chicago team building high-performance C++ trading systems. Design, develop, test, profile, and troubleshoot low-latency applications while collaborating with traders and senior engineers. Receive mentorship, training on markets, and exposure to production lifecycle and performance tuning.

Join an on-site Chicago team building high-performance C++ trading systems. Contribute to design, development, testing, profiling, and troubleshooting. Collaborate with traders and senior engineers, receive mentorship, and gain exposure to the full lifecycle of low-latency trading platform development.

Owns end-to-end production software, architectural decisions, and improvements to the engineering lifecycle. The principal engineer will expand AI-assisted development, make speed safe across reservations, payments, mobile, and international systems, and influence a growing team’s engineering practices. Success means enabling a fourteen-person team to ship with the effectiveness of a much larger organization.

Lead the technical direction of Zocdoc’s patient acquisition platform, building scalable APIs, microservices, AWS infrastructure, and React experiences. Improve SEO, page speed, system reliability, and patient-facing data access. Collaborate with Product, Design, and Marketing, integrate third-party data and Contentful, apply LLM technology, promote engineering excellence, mentor engineers, and drive AI-focused innovation across distributed teams.

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