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  • Open Source Developer

    The Railroad Retirement Board is hiring a GS-14 Open-Source Developer. This is being filled at either the GS-13 or GS-14 level. NOTE: The selected candidate may work at our HQ in Chicago, or in any of our district office locations. Please see the job announcement on USAJOBS... 
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    Night shift
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    US Railroad Retirement Board

    Chicago, IL
    3 days ago

  • Senior Software Engineer - Remote, Open Science Cloud

     ...the Digital team to design, build, and maintain cloud-native platforms and data pipelines, collaborating across functions to advance open science. The role requires strong full-stack experience, cloud familiarity (GCP), and a proven ability to deliver reliable, testable... 
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    Remote job
    Temporary work

    Public-Library-of-Science

    Chicago, IL
    4 days ago

  • Mid Software Developer

    $75k

     ...Req ID: 41105 Summary Mid Software Developer OFallon, IL Are you ready to enhance your skills and build your career in a...  ...Software Developer will modify existing GOTS code and integrate open-source software solutions for display and analysis within Aeronautical... 
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    Home office

    Chenega Corporation

    O Fallon, IL
    2 days ago

  • Open-Source Dev Lead for Multi-Cloud & DevSecOps

    The Railroad Retirement Board is seeking an Open-Source Developer at the GS-13/GS-14 level to design, develop, and modernize complex applications across multi-cloud environments. Candidates will work with Open-Source and Microsoft stack technologies, implement secure APIs... 
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    US Railroad Retirement Board

    Chicago, IL
    3 days ago

  • Senior .Net Developer

     ...Senior.Net Developer Chicago, IL, USA 80000-140000 per year Salary Full Time Life Insurance, Health Insurance, Paid Time Off...  ...Management Systems ~ Preferred: Knowledge of implementing open-source software and troubleshooting and debugging existing software systems... 
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    Full time
    Work experience placement
    Remote work
    Flexible hours

    Barrow Wise Consulting, LLC

    Chicago, IL
    18 hours ago

  • Cloud Engineer - Manager - Consulting - Location OPEN

    $142.6k - $261.5k

     ...insights and quality services we provide help build trust and confidence in the capital markets and economies all over the world. We develop outstanding leaders who are teamed to deliver our promises to all our stakeholders. In so doing, we play a critical role in... 
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    Summer holiday
    Flexible hours

    EY

    Springfield, IL
    2 days ago

  • Platform Engineer

    $116.3k - $178.4k

     ...design, build, and maintain the internal developer platform that enables our engineering organization...  ...and environment promotions from a single source of truth in version control (e.g., GitHub...  ...Operator, SOPS). Contributions to open-source projects or active engagement with... 
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    Part time
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    Remote work

    Camping World

    Lincolnshire, IL
    6 days ago

  • Platform Engineer

    $70 - $85 per hour

     ...Platform Engineer to design, build, and maintain our internal developer platform that enables reliable, large-scale software delivery....  ...Secrets, External Secrets Operator, SOPS). Contributions to open-source projects or active engagement with the CNCF ecosystem.... 
    Suggested
    Remote work

    Insight Global

    Lincolnshire, IL
    3 days ago

  • Data Platform Engineering Manager

     ...Lambda, or equivalents) Track record of managing, recruiting, and developing high‑performing remote engineering teams Ability to translate...  ...tooling for internal engineering consumers Contributions to open‑source streaming or data infrastructure projects Equal Opportunity... 
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    Local area
    Remote work

    Kraken

    Peru, IL
    18 hours ago

  • Front-End Developer

     ...Front-End Developer Our client is looking for a frontend technologist with an affinity to...  ...advocate for technical excellence while being open to change when needed Bonus Skills/...  ...engagements, contributions to open source, blogs, and more You're resilient in ambiguous... 
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    HiresRight Inc

    Chicago, IL
    3 days ago

  • Senior Software Engineer, Core Platform

    $190.8k - $267.1k

     ...passion, and trust, and is home to the most open and authentic conversations on the...  ...Reddit is one of the internet's largest sources of information. For more information, visit...  ...the future of Reddit! You will: Develop and design new and innovative solutions to... 
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    Flexible hours

    Reddit

    Chicago, IL
    3 days ago

  • Staff Platform Engineer

     ...production monitoring, CI/CD design & implementation, security automation, & AI/ML infrastructure management across the open-source software platforms CTDS develops and operates for translational data science. Production support includes triaging, researching, communicating,... 
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    Work experience placement

    University of Chicago

    Chicago, IL
    3 days ago

  • Sr. Lead Software Engineer (Python, Scala, Spark, AWS)

    $209k - $238.5k

     ...Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full...  ...programming languages like Java, Python, SQL, Node, Go, and Scala, Open Source RDBMS and NoSQL databases, Container Orchestration services... 
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    Part time
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    Capital One Financial Corp

    Chicago, IL
    4 days ago

  • Senior Oracle Applications Engineer

    Open Positions Vivayana offers a wide range of employee benefits depending on experience...  ...Associate Responsibilities: Define, develop, and implement new systems and major enhancements...  ..., and documentation skills. Skills: Source Control Management (SVN) Oracle SQL... 
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    Vivayana Technologies & Consulting Incorporated

    Naperville, IL
    4 days ago

  • C#/.NET Developer

     ...Overview We are open to remote 100%, but would look at some type of in person onboarding...  ...Skill Set for a mid-level C#/.NET Developer to join our team. Responsibilities/Skills...  ...Agile methodology Experience with Git for source code management Excellent analytical and... 
    Suggested
    Permanent employment
    Remote work

    The Timberline Group Company

    Chicago, IL
    2 days ago

  • Full Stack .NET Developer

    $72.7k - $145.4k

     ...ambitious, highly versatile Full Stack .NET Developer to join our close-knit internal business...  ...Write security-conscious code mitigating Open Worldwide Application Security Project (...  ...support. Working knowledge of source control (Git) and Agile project management... 
    Contract work
    Worldwide
    Relocation
    Flexible hours

    Motorola Solutions

    Chicago, IL
    2 days ago

  • Cloud Infrastructure Engineer

     ...these systems process. Experience with eBPF, kernel performance tuning, or NUMA-aware hardware configuration. Contributions to open-source infrastructure tooling. Why We Think You Will Love Teradata This is a rare opportunity to do foundational infrastructure... 
    Permanent employment
    Work at office
    Flexible hours

    Teradata

    Springfield, IL
    4 days ago

  • Full Stack Developer

    $100k - $150k

     ...delivering solutions to the research community worldwide. Globus develops and provides critical services that support scientific...  ...full‑stack applications, spanning backend services, APIs, and open‑source software, with a primary focus on Python‑based, scalable, and... 
    Work experience placement
    Remote work
    Work from home
    Worldwide

    University of Chicago

    Chicago, IL
    1 day ago

  • Full Stack Developer

    $42k - $52k

     ...The Full Stack Developer will ship interactive client work and architect back-end services...  ...Integrate the third-party platforms and data sources our clients depend on Engineering and...  ...field, or equivalent experience Internship, open-source, portfolio work, or a project you... 
    Full time
    Internship

    Armory 815

    Rockford, IL
    18 hours ago

  • Python Developer

     ...internal processes. The ideal candidate will have experience developing chatbots, implementing AI agents, and working with advanced AI...  ...and user experience. Work with OpenAI, Google AI, and open-source models to drive innovation. Build and manage API-based data... 

    3B Staffing LLC

    Chicago, IL
    3 days ago

  • Sr Lead, Cloud Security Engineering

    $114.5k - $194.7k

     ...Posture Management (CSPM), and collaborating with application developers’ security champions. As a technical leader you will also...  ...and support security measures for cloud platforms (3rd Party, Open Source, native), with a specific emphasis on Azure and AWS* Develop... 
    H1b
    Flexible hours

    Northern Trust

    Chicago, IL
    3 days ago

  • Sr Lead, Cloud Security Engineering

    $114.5k - $194.7k

     ...Posture Management (CSPM), and collaborating with application developers' security champions. As a technical leader you will also...  ...and support security measures for cloud platforms (3rd Party, Open Source, native), with a specific emphasis on Azure and AWS Develop... 
    H1b
    Flexible hours

    Koitecc Solutions

    Chicago, IL
    4 days ago

  • Physical AI Engineering Consultant - Manager - Consulting - Open Location

    $142.8k - $261.8k

     ...interaction in a fast-paced environment and the opportunity to develop your own career path for your unique skills and ambitions....  ...solutions that unify, enrich, and derive insights from varied data sources across a broad technology landscape. You will guide clients through... 
    Full time
    Work experience placement
    Summer holiday
    Flexible hours

    EY

    Springfield, IL
    18 days ago

  • Lead Web Technologies Developer

    $105k - $165k

     ...Lead Web Technologies Developer Fortune Brands Innovations, Inc. is an industry-leading home, security and digital products company...  ...practices and laws Experience working on enterprise platforms and open-source technologies Strong documentation, communication, and... 
    Work experience placement
    Flexible hours

    Fortune Brands

    Deerfield, IL
    2 days ago

  • Full Stack Engineer

    $180k - $200k

     ...solutions. The platform brings together disparate data sources into a single system and enables: real-time data...  ...fit for frequent job hoppers). This role is NOT open to: contractors or consultants, agency developers, sales, marketing, product, or executive profiles,... 
    For contractors
    Local area
    Relocation

    Energy Talent Search

    Chicago, IL
    12 hours agonew

  • Full Stack Developer

     ...Full Stack Developer Location: Hyrbid Forth Worth Texas (local only) Interview Mode: Virtual Interview Type: Contract (potential...  ...prem and in the cloud • 4+ years of professional design and open-source experience Preferred Qualifications- Education &... 
    Contract work
    Work at office
    Local area

    RIT Solutions, Inc.

    Chicago, IL
    1 day ago

  • Java Developer

     ...Java Developer Are you a passionate Java Engineer with experience building systems in a fast-paced agile environment? Here at, we...  ...of cloud technologies by contribution and collaboration to the Open Source community. is also committed to developing your skills and providing... 
    Work experience placement
    Monday to Thursday
    Shift work

    ClifyX

    Chicago, IL
    1 day ago

  • Tech Lead/Manager, Software Engineering

    $101.9k - $163k

     .... ~3+ years of technology leadership experience, including developing technology strategies, fostering innovation, and leading globally...  ...experience integrating or experimenting with commercial and open-source GenAI technologies and toolkits (e.g., coding assistants,... 
    Work experience placement
    Local area
    Remote work
    Worldwide

    Cengage

    Chicago, IL
    18 hours ago

  • DevOps Engineer/Systems Engineer (Mission Systems)

     ...Alertmanager and CloudWatch . Systems Integration: Proven ability to deploy and integrate diverse ecosystems, including COTS/GOTS , open‑source tools, and custom applications. Architecture & Security: Strong grasp of networking fundamentals, IAM policy hardening, and AWS... 

    Node.Digital

    Springfield, IL
    14 hours agonew

  • Lead Associate Principal, Cloud Engineering

     ...container orchestration environment using infrastructure as code* Develop and maintain Kubernetes operators, controllers, and custom...  ...similar). This can be demonstrated through either contributions to open-source Cloud Native Computing Foundation (CNCF) projects, OR... 
    Remote work
    Weekend work
    2 days per week

    The Options Clearing Corporation

    Chicago, IL
    18 hours ago