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  • Python Backend Engineer - 3D / Visualization / API / Software (On-site)

    $210k

     ...aerospace, automotive, and advanced manufacturing are designed and developed. Why Join? Build the Future of Engineering: This isn'...  ...coordination, and the development of robust, developer-facing APIs. This position is critical for delivering the fast, reliable,... 
    Suggested
    Work at office

    Attis

    Mundelein, IL
    5 days ago

  • Full Stack Software Engineer (Python / React)

     ...Django) Design and implement dynamic and responsive frontends using React.js and/or Vue.js Create and consume RESTful and GraphQL APIs Build reusable components and libraries for frontend use Collaborate across teams to gather requirements, define solutions,... 
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    Arrayo

    Mundelein, IL
    7 days ago

  • Sr Backend Fullstack Engineer- LLM

     ...Job Description About Us Hippocratic AI is developing the first safety-focused Large Language Model (LLM) for healthcare. Our mission...  ...backend services. From data processing pipelines to API design and system reliability, your contributions will directly... 
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    Hippocratic AI

    Mundelein, IL
    6 days ago

  • Revenue Cloud Advanced Architect

     ...experience integrating Salesforce with ERP, payment gateways, and financial systems (e.g., NetSuite, SAP, Workday). ~ Familiarity with API-driven architecture, middleware tools, and event-driven design. ~ Salesforce Certified Revenue Cloud Consultant (strongly preferred... 
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    Aretiforce | B Corp™

    Mundelein, IL
    3 days ago

  • Senior Backend Infrastructure Engineer

     ...observability Implement containerization (Docker, ECS) and contribute to architecture decisions Work closely with engineers to expose APIs and backend data for front-end integration What They’re Looking For: ~5+ years of backend software engineering experience (... 
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    HartleyCo

    Mundelein, IL
    4 days ago

  • Full Stack Engineer

    $200k - $220k

     ...This group is not just shipping features. They are defining how developers and autonomous systems visualize, understand, and interact with...  ...mapping, visualization, and data rich workflows Integrate APIs and partner with backend engineers to deliver seamless end to end... 
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    Immediate start

    Trust In SODA

    Mundelein, IL
    3 days ago

  • Full Stack Engineer

     ...product and technical decisions. Responsibilities Architect, develop, test, and maintain core product features across Django and...  ...schema to frontend UX. Design and implement scalable RESTful APIs and integrations with third-party services. Build responsive,... 
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    Full time

    DataInsight

    Mundelein, IL
    26 days ago

  • Python Developer

    $130k - $200k

     ...Job Description Senior Backend Developer - Python $130,000 - $200,000 San Francisco, CA Hybrid Overview We’re looking...  ...platform. You’ll take ownership of designing efficient services and APIs, working closely with product and engineering peers to deliver... 
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    Premier Group

    Mundelein, IL
    4 days ago

  • Java Software Engineer

     ...Job Description Job Title: Java Developer Location: Bay Area, CA (Hybrid) Duration: Long-Term Contract (W2 only) Job Description...  ...databases (e.g., MongoDB). Experience with building RESTful APIs and understanding microservices architecture. Familiarity... 
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    Long term contract

    Signature IT World Inc

    Mundelein, IL
    5 days ago

  • Senior Full Stack Engineer - React/TypeScript/Node - AI Product

    $200k - $300k

     ...orchestration layer connecting workflows, agents, and front-end views. Develop and scale Lumena’s TypeScript-based backend and modern...  .... Shape and maintain the integration layer connecting REST APIs, SQL sources, and third-party systems. Define and enforce... 
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    Full time

    Ikuto

    Mundelein, IL
    3 days ago

  • Senior Full Stack Engineer - Backend Focus / Security / Node (Hybrid)

    $210k

     ...for fleet administration (React), while ensuring the underlying API surface is robust and scalable. The Essential Requirements...  ..., Identity Management, IAM, HIPAA Compliance, Payment Systems Developer, Secure Systems Architect, Fleet Management, API Developer, Cloud... 
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    Attis

    Mundelein, IL
    3 days ago

  • Senior Backend Engineer

     ...an exciting tech start-up that is looking for multiple Backend Developers to join their team. This role will be on-site in San Francisco...  .... Background in complex scraping or working without strong APIs. Familiarity with distributed, event-driven architectures (... 
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    Velocity Tech

    Mundelein, IL
    3 days ago

  • Senior Backend Engineer

     ...Design, build, and maintain scalable backend and platform systems Develop and operate AI-driven services that work with large and evolving...  ...with Python, cloud infrastructure, relational databases, and API design ~ Comfort owning systems end-to-end in production ~... 
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    Flexible hours

    UMATR

    Mundelein, IL
    3 days ago

  • Lead Software Engineer

     ...AI Native Command Center startup is looking for a lead software developer to join their growing technology team. It centralizes internal...  ...Experience building and scaling data-rich products — including APIs, integrations, scraping tools, or cloud platforms ~ AI-native... 
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    Xcede

    Mundelein, IL
    2 days ago

  • Software Engineer

    $175k - $250k

     ...integrations with pharmacy and patient management systems Solve hard problems: LLM optimization, reliable systems on unreliable APIs, abstractions that speed up customer implementations Establish engineering patterns as we scale Must-have experience ~4+ years... 
    Suggested
    Flexible hours

    Sodalis AI

    Mundelein, IL
    10 days ago

  • Senior Software Engineer - Distributed Systems

     ...Do Design and build high-performance distributed systems Develop backend services using Java (Spring Boot), Node.js, or Python...  ...large-scale distributed systems Understanding of microservices, APIs, and asynchronous systems Exposure to IoT, hardware-... 

    Emerson United Inc

    Mundelein, IL
    3 days ago

  • AI Data Engineer

    $150k - $225k

     ...Airflow, Temporal, and n8n • Model SQL, vector, and NoSQL databases (Postgres, Qdrant, etc.) • Build API and function-based services in Python • Develop custom automations (Playwright, Stagehand, Zapier) • Work with AI researchers to define and expose context... 
    Work at office

    HartleyCo

    Mundelein, IL
    3 days ago

  • Lead integration Engineer

     ...cloud transformation initiatives. Responsibilities: Develop, test, implement, and evaluate complex solutions in a collaborative...  ...with Messaging and integration technologies including AWS API Gateway Programming with NodeJS, Python or Java, and working... 

    Sigmaways Inc

    Mundelein, IL
    4 days ago

  • Lead Generative AI Engineer

     ...available for engineers at varying levels — from early-career developers to senior leads and architects — across areas like AI platform...  ...tuning, prompt optimization, and training workflows. Develop APIs, microservices, and SDKs for internal and client-facing AI products... 

    Madison-Davis, LLC

    Mundelein, IL
    5 days ago

  • Lead Software Engineer, Global Payment Network

    $193.4k - $220.7k

     ...What You’ll Do:  Partner with Sr. Product Owner(s) to develop product vision and strategy and align product vision with technology...  ...Oriented Architecture (SOA), and microservices ~ Knowledge of API, Application integration patterns At this time,... 
    Full time
    Part time
    Internship
    H1b
    Local area

    Capital One

    Riverwoods, IL
    11 hours agonew

  • Manager, Platform Engineering (Connex Switch)- People Leader (Global Payment Network)

    $144k - $164.4k

     ...Onboarding, Implementation, Scaling, and maintenance. Lead and develop a team of Connex Database engineers. Mentor and develop team...  ...years experience in building platforms and services using REST APIs & Microservices Architecture ~ Experienced in cloud-native architecture... 
    Full time
    Part time
    H1b
    Local area
    Immediate start

    Capital One

    Riverwoods, IL
    11 hours agonew

  • Mobile Engineer

    Job Description Mobile Engineer (React Native + iOS/Android) We’re looking for Mobile Engineers to join a growing team. You’ll play a key role in technical decision-making and execution, and you’ll see firsthand the impact our work has in the healthcare space...

    Needl

    Mundelein, IL
    3 days ago

  • Senior & Lead Application Security Engineer

     .... • Build and integrate automated security tooling (SAST, DAST, dependency scanning, IaC scanning) into CI/CD pipelines. • Develop security automation and internal tooling using Python, Bash, or Go. • Partner with Engineering, DevOps, and Infrastructure teams... 
    Visa sponsorship

    Verticalmove, Inc

    Mundelein, IL
    4 days ago

  • Senior Software Engineer (Backend) - Python - AI-Driven Research Platform

    $160k - $220k

    Job Description &##128640; Senior Engineer (Backend) - Define the Future of AI-Driven Research &##128161; We're looking for a Senior Backend Engineer (Python) to join a groundbreaking, Series A-funded AI research platform that is currently defining a new category...
    Work at office
    Relocation

    Ikuto

    Mundelein, IL
    6 days ago

  • Client Platform Engineer

    $250k - $350k

     ...Windows, and Android environments Build automation and configuration workflows using Infrastructure-as-Code and GitOps practices Develop and maintain tooling and scripts to improve device provisioning, compliance, and lifecycle management What We Are Looking For... 
    Remote work

    Code Red Partners

    Mundelein, IL
    5 days ago

  • Frontend Engineer

    Job Description About You: You will be working on our frontend built with Next.js, TypeScript, and Tailwind. It’s a complex product with interactive, realtime systems that need to be coordinated. You should be immediately productive coming into a codebase on this...
    Immediate start

    Indent

    Mundelein, IL
    6 days ago

  • Frontend Engineer

    Job Description Frontend Engineer UMATR are supporting an early-stage AI startup on a mission to help growing organisations stay aligned and efficient as they scale. Our product acts as an intelligent teammate that understands a company’s context, goals, and culture...

    UMATR

    Mundelein, IL
    3 days ago

  • Frontend Developer

    Job Description &##128293; We’re Hiring: Frontend Software Engineer – Chalk hackajob has partnered with a forward-thinking tech-driven business that prioritizes innovation in its digital solutions and leverages extensive industry data to drive impactful results...

    hackajob

    Mundelein, IL
    6 days ago

  • Full Stack Engineer

     ...• Own full development cycles: design, implementation, testing, shipping, and iteration • Work with founders and designers to develop product direction and refine customer workflows • Contribute to engineering culture, code quality, and operational excellence •... 

    NXT Eng

    Mundelein, IL
    5 days ago

  • AI Platform Engineer

    $150k - $225k

     ...-by-side with the founding team to ship production systems at speed. You’ll evolve their proprietary context engineering platform, develop evaluation frameworks, architect ML models, and build growth-focused AI tools. This is a role for someone who thrives in high-intensity... 
    Work at office
    Visa sponsorship
    Relocation package

    HartleyCo

    Mundelein, IL
    6 days ago