Principal Engineer - Software Systems

Join Wabtec Corporation as a Principal Engineer - Software Systems, where you'll lead the development of innovative software solutions that power our cutting-edge technology initiatives. As a pivotal member of our engineering team, you will be responsible for architecting, designing, and implementing complex software systems in a collaborative environment.Yo…

Join our dynamic team at stemxpert1 as an Information Security Officer / Client Facing Security Officer (CFSO). In this vital role, you will be responsible for ensuring the security of our clients' information systems while actively engaging with clients to address their security needs. Your expertise will help safeguard sensitive data and foster trust in our services.

About Rewards Network Rewards Network has supported restaurant growth for over forty years. The company helps restaurants boost revenue, attract more guests, and build customer loyalty. By combining technology and data analytics, Rewards Network offers financial and marketing solutions, along with dining rewards programs that connect diners to standout restaurant experiences. Our Culture The team values collaboration, creative problem-solving, and personal growth. Rewards Network partners with leading loyalty programs to bring full-price customers to local restaurants through targeted marketing and flexible funding. The workplace encourages development and recognizes achievements. Role Overview: Senior Scala Engineer (Hybrid, Chicago, IL) The Senior Scala Engineer will help design and build back-end systems for client-facing web applications. This work supports both the management portal and dining platform, focusing on scalable and secure features. The goal is to deliver smooth, modern digital experiences for millions of diners and thousands of restaurant partners. Candidates with mid or senior-level experience are welcome to apply.

Join wavestrong as a Senior Microsoft Security Consultant (SME) for an exciting 6-8 month remote contract opportunity. You will play a pivotal role in bolstering and expanding our enterprise cloud security program.Key Responsibilities:Lead the integration and operationalization of Microsoft Security tools across enterprise cloud and hybrid environments.Provide deep technical subject matter expertise in several areas, including:Microsoft Entra ID and Conditional Access Policies.Defender for Cloud (CSPM, CWP, DevSecOps integration).Microsoft Defender Suite, covering Defender for Endpoint, Defender for Cloud Apps, Defender for Identity, and Defender for Office 365 with a focus on email protection.Microsoft Purview (Information Protection & Compliance) and Microsoft Sentinel (configuration and tuning - a plus).Microsoft Intune (endpoint management and security policy enforcement).Demonstrated expertise with Microsoft cloud security technologies, including Entra ID, Defender for Cloud, XDR, and Purview.Strong understanding and hands-on experience with Conditional Access Policies (required).Experience implementing and managing Microsoft Defender security solutions across enterprise environments.Familiarity with Microsoft Sentinel use case development and tuning (preferred).

Renterra is an innovative Series A-backed SaaS company transforming the $100 billion heavy equipment rental sector. Our comprehensive platform empowers rental businesses to operate more efficiently, encompassing operations, payment solutions, marketing strategies, accounting integrations, and much more.This hybrid position is based in Chicago, promoting regular in-office collaboration while providing flexibility for focused remote work.Our Work Culture:We prioritize speed and efficiency through rapid iteration cycles. Our agile team values practicality over formality—streamlining build times, deployments, and meetings to deliver the best solutions to our clients.Responsibilities:Design, Build, and Innovate: Take the lead on greenfield projects, crafting new features and products from the ground up.Collaborate Closely: Engineering is a collective effort; we achieve our best results together. Work in tandem with our product and support teams to ensure we address the right challenges.Customer-Centric Development: Demonstrate empathy for our users, actively seeking feedback and iterating on our products to enhance their experience. (We engage with customers on-site to observe our software in action.)Business-Minded Decision Making: Make informed daily decisions about architecture investments, vendor integrations, or streamlining scopes to deliver valuable functionality to our users.Optimize and Deliver: Engage in a dynamic and fast-paced development process that is continuously refined and improved.Qualifications:AI-Forward Thinker: You are proficient with AI tools to expedite development and are eager to incorporate AI into product experiences that enhance outcomes.Passionate Builder: You thrive on delivering real products to actual customers.Proficient in TypeScript: You are well-versed in modern web engineering and enthusiastic about pushing the limits of exceptional product experiences.Curiosity and Energy: You approach each day with eagerness to ship, solicit feedback, and rapidly develop alongside the team.

Join our team as a Senior E-Discovery Application Administrator IIEmployment Type: Full-Time, ExperiencedDepartment: Legal ServicesCGS Federal is actively seeking a highly skilled professional with extensive experience in eDiscovery to provide vital IT legal support services for a prominent federal agency. In this role, you will be responsible for independently developing, modifying, and maintaining intricate programs that facilitate litigation environments, including litigation support databases, management systems, and analytical tools.At CGS, we unite motivated and creative individuals to tackle the government's most pressing challenges with innovative technology solutions. We value collaboration and seek candidates who are eager to contribute to government innovation and anticipate the needs of others. Our supportive environment fosters professional growth through various learning opportunities.Key Responsibilities:- Independently develop, modify, and maintain complex programs.- Translate program requirements into effective program code.- Test, debug, and refine programs to ensure compliance with specifications.- Optimize programs for efficiency and reduced processing time.- Create user-friendly data entry screens, standardized reports, and specialized reports as necessary.

Role overview Resource Innovations is seeking a Lead Java Software Engineer for its SaaS team. This is a remote role, though candidates based in metro areas like Chicago, San Francisco, Phoenix, Denver, Salt Lake City, or Madison may occasionally be asked to attend in-person meetings. This position blends hands-on technical leadership with active software development. The Lead Java Software Engineer will architect, build, and deploy cloud-based enterprise applications used by major energy organizations. The work supports Resource Innovations’ mission to advance clean energy solutions and help utilities address challenges such as load flexibility, electrification, and carbon reduction. What you will do Software development: Lead and contribute to the full software development life cycle for cloud-based enterprise applications, covering design, coding, testing, deployment, and support. Technical design and architecture: Design and build cloud-native applications using Java, Spring Boot, and related frameworks. Work with REST and SOAP web services, API Gateways, and relational databases to deliver scalable and secure systems. Code quality and review: Write clean, maintainable, and well-documented code. Conduct code reviews, provide feedback, and help raise development standards across the team. Troubleshooting and optimization: Diagnose and resolve complex technical issues, including production support and performance tuning, to improve scalability and reliability. Collaboration and process: Work closely with QA, DevOps, Product, and Business teams. Use Agile practices and tools such as Scrum, Jira, Confluence, and Git to deliver software on schedule. Continuous improvement: Stay up to date with new technologies, including AI-assisted development, and recommend improvements to tools, frameworks, and engineering processes. About Resource Innovations Resource Innovations is a women-led firm focused on energy transformation. The team works to expand clean energy solutions and support utilities as they adapt to changing industry needs. The company is committed to making a positive impact in the energy sector.

We are seeking a dedicated Application Support Analyst to join our dynamic team. In this role, you will be responsible for providing technical support and troubleshooting assistance for our applications, ensuring that our systems operate smoothly and efficiently.As an Application Support Analyst, you will work closely with users to resolve issues, implement solutions, and enhance the overall user experience. Your analytical skills and attention to detail will be crucial in identifying problems and implementing effective remedies.

Later stands as a pioneer in the influencer marketing landscape, dedicated to empowering brands to craft unforgettable campaigns. By harnessing authentic creator relationships, reliable intelligence, and expert insights, Later alleviates the uncertainties often associated with marketing investments.Our AI-driven platform is built on over a decade of proprietary data, encapsulating billions of social interactions, impressions, and more than $2.4 billion in verified influencer-driven purchases. This extensive data equips teams with the foresight needed to make informed decisions before launching campaigns.With a commitment to blending insightful analytics with professional guidance, Later simplifies the influencer marketing process, allowing brands to select the right creators, implement fully managed campaigns, and achieve substantial growth in awareness, engagement, and revenue. Esteemed brands such as Nike, Wayfair, Unilever, and Southwest Airlines trust Later to merge creativity with performance, ensuring that campaigns not only look appealing but also deliver tangible results. Discover more at later.com.Role Overview:The Senior Engineer will spearhead large-scale projects, deliver impactful features, and uphold exceptional engineering standards. You will tackle intricate challenges, collaborate across diverse teams, and mentor junior engineers, all while enhancing our codebases and promoting a culture of technical excellence. Your extensive knowledge of contemporary software development and Agile methodologies will play a crucial role in shaping our approach to building, scaling, and innovating—significantly impacting product velocity and engineering ethos.Key Responsibilities:Strategic ContributionsDefine, plan, and oversee the delivery of significant features and roadmap initiatives.Clarify and refine requirements across stakeholders in a rapidly evolving environment.Navigate ambiguous requirements and diverse interests to deliver user-friendly features.Contribute to long-term architectural planning and system design.Technical ExecutionLead technical problem-solving efforts for complex, cross-team challenges and production issues.Continuously enhance code quality through reviews, testing, and refactoring.

This is an immediate contract opportunity based in downtown Chicago. We are seeking local candidates who can join our team without delay.Below are the specifics regarding the role.Software Test EngineersThis engagement is scheduled for 6 to 12 months, with a high likelihood of extension. The targeted commencement date is October 1st.Local candidates are required.We are looking for multiple skilled software testers to join our new Enterprise Quality and Release Management Center of Excellence Group. Ideal candidates should possess significant experience in Load and Performance Testing, Automation, Predictive Analysis, and DevOps. Strong communication skills are essential.

Join Wehrtyou, a leading quantitative trading firm, where innovation meets excellence. Our mission is to leverage cutting-edge technology and build high-performance systems that drive our global trading operations. At Wehrtyou, we foster a collaborative environment that empowers engineers to tackle complex challenges and directly see the impact of their work.We are actively looking for talented Software Engineers with a strong foundation in programming and exceptional problem-solving skills. As part of our diverse teams, you'll engage in various exciting projects, such as:Optimizing distributed computation scheduling to enhance research efficiency.Enhancing developer experience through advanced tooling and AI integrations.Utilizing large language models (LLMs) to streamline operational support.Profiling system usage for both small-scale and large distributed computations.Creating systems that interface with trading venues to monitor and manage risk.

Join Vibes as a Full Stack Software Engineer II and contribute to the development and maintenance of our cloud-based applications. This hybrid role, based in Chicago, IL, offers you the chance to work with cutting-edge technologies, focusing on backend Ruby on Rails and frontend React development. You will also manage infrastructure deployments using Terraform and ensure the scalability and performance of our applications on AWS cloud services. We are looking for an enthusiastic team player with a growth mindset, excellent communication skills, and a passion for innovation in the rapidly evolving digital consumer engagement landscape.

About Loop At Loop, we are dedicated to revolutionizing the financial transactions between shippers, carriers, and brokers, aiming to enhance margins and boost liquidity within the supply chain. Currently, logistics payments represent a significant challenge, costing businesses thousands, if not millions, of dollars. Outdated services fail to meet the needs of the market. Transportation teams require solutions that extract insights from their intricate datasets instead of overwhelming them with manual processes. Leveraging our expertise in AI, combined with profound logistics industry knowledge, Loop provides automated audits, efficient resolutions, expedited payments, and, most critically, actionable insights. Our solutions empower shippers and 3PLs to enhance expenditure visibility, eliminate superfluous costs, and optimize their transportation spending, leading to an average 4% reduction in costs and an 80% increase in back-office productivity for our clients. We are a customer-centric organization that views the complexities of the supply chain as opportunities rather than hurdles. Our foundational AI thrives on the intricacies of the system to maximize outcomes for our clients. Our investors include Founders Fund, 8VC, Susa Ventures, Flexport, and numerous influential angel investors. Our team comprises experts from renowned companies such as Uber, Google, Flexport, Meta, Samsara, Intuit, and Rakuten, alongside traditional logistics firms like CH Robinson. About YouAs a Full-Stack Software Engineer, you will collaborate closely with founders and customers to identify and alleviate their logistics billing and payment challenges. You will play a pivotal role in shaping the product and delivering features that significantly impact our users. You will encounter and tackle various technical challenges, receiving valuable guidance and feedback from the team, while also influencing the culture and growth of Loop. Responsibilities Collaborate cross-functionally with product, design, and sales teams to gather requirements and deliver innovative solutions. Develop high-quality, extensible code. Participate in code reviews to uphold exceptional engineering standards. Lead discussions and create documentation to ensure optimal technical design. Work across various components, from frontend to backend and even infrastructure. Encourage best practices and share technical knowledge within the team. Contribute to Loop's growth through constructive feedback on product, processes, and culture.

Lessen is revolutionizing the delivery and management of commercial and residential real estate services through its innovative technology platform. As a tech-enabled, end-to-end property service provider, we empower stakeholders across the real estate ecosystem—including investors, owners, managers, and service providers—by providing data-driven insights that unlock significant growth opportunities. Lessen has a robust network of over 30,000 vetted vendors (Lessen Affiliates) serving clients with more than 1 million properties and executing over 3.5 million work orders annually across a diverse array of services. Our company, Lessen, LLC, is a venture-backed, privately held organization with offices in Scottsdale and Chicago.This position is based in Chicago, with in-office work required on Monday, Tuesday, and Thursday.Job SummaryThe Senior Software Developer plays a critical role in the Product and Technology Department by overseeing the daily operations of the software development team. As a key member of an agile development team, you will contribute to building enterprise-grade software, engaging in all aspects of the development process from design and implementation to testing. In this role, you will also lead a dedicated team of Software Developers, fostering collaboration and innovation.

We are seeking an experienced Application Support Manager to join our dynamic team in Chicago. In this role, you will be responsible for overseeing application support operations, ensuring that our software applications are functioning optimally, and managing a team of support professionals. Your expertise will help us maintain high service levels and enhance user satisfaction.

Formic is hiring a Full Stack Software Engineer to help build software that supports advanced robotics. This position is based in Chicago or Woodridge, IL. Role overview This role involves designing, building, and maintaining both front-end and back-end systems for robotics applications. Collaboration with other engineers is central, as is a focus on delivering software that integrates smoothly and provides a strong user experience. What you will do Develop and maintain software for both client-facing and server-side components Work closely with teammates to improve robotic functionalities Ensure systems work together seamlessly and meet user needs Impact This position supports Formic’s mission to automate industries using intelligent robotics. Contributions will help shape how robotics technology is delivered and experienced.

Join Our Team as a Software Engineer!At Inspire11, we pride ourselves on being a community of innovative thinkers who are dedicated to delivering exceptional quality. We foster an environment of respect and collaboration, where high standards are not just expected but celebrated. Our approach is unique; we don’t just talk about creating value — we embody it in every project we undertake.As a member of our team, you'll have the opportunity to reshape the future of technology and consulting. If you think outside the box, build with confidence, and lead with purpose, you’ll fit right in. We value diverse perspectives and are committed to unleashing your potential.

Join IMC, a leading technology-driven trading firm, as a talented C++ Software Engineer in our vibrant Chicago office. In this role, you will be instrumental in designing and crafting software solutions tailored to the unique hardware requirements of our global trading systems, with an emphasis on enhancing performance. Our innovative and fast-paced tech environment encourages teamwork and rapid iterations across international teams. You will identify new opportunities, tackle challenges, and contribute to groundbreaking technologies, making software development both exciting and rewarding, even amidst increasing complexity.

Join Walgreens Boots Alliance as a Lead Software Engineer and help shape the future of healthcare technology. In this role, you will lead a team of talented engineers, driving innovative software solutions that improve patient care and enhance the customer experience. Collaborate with cross-functional teams to develop cutting-edge applications and systems, ensuring scalability and reliability.

Position OverviewJoin the Compiler Team within ColdQuanta’s Quantum Software division as a Quantum Software Engineer. In this dynamic role, you will design, develop, and maintain cutting-edge quantum compilation software while engaging in co-design initiatives across the complete quantum stack, including applications, algorithms, hardware, and control systems. This position combines hands-on programming, code reviewing, and system architecture with innovative research and development. We welcome applications from both entry-level and seasoned professionals.Key ResponsibilitiesEngage in research and development focused on groundbreaking advancements in quantum technology, particularly in quantum compilation, as outlined in research paper and research paper.Implement software optimizations on our cloud platform, Superstaq, utilizing industry-standard software engineering practices, including comprehensive documentation, linting, rigorous testing, and type-checking.Collaborate with Superstaq customers to identify their requirements and provide prompt support.Contribute to the preparation of government and commercial proposals and ensure successful execution of global projects.Work closely with experimental physicists and fellow software engineers to translate theoretical concepts into practical applications.Participate in the broader scientific community by publishing research findings in journals and presenting at conferences.Keep abreast of the latest advancements in quantum computer architecture and quantum compilation.Mentor and support fellow team members, fostering a collaborative research environment.