Senior Software Developer I at Lessen | Chicago

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 th…

Join us at lessen for an exciting internship opportunity where you can gain invaluable experience in a dynamic and innovative environment. As an intern, you will have the chance to work alongside industry professionals, contribute to meaningful projects, and develop your skills in a collaborative setting.

Lessen is a pioneering technology-driven property service provider, revolutionizing the delivery and management of commercial and residential real estate services on a grand scale. Our advanced technology platform offers insightful data that reveals significant growth opportunities for the entire real estate ecosystem, including investors, owners, managers, and service providers. With a robust network of over 30,000 vetted and qualified vendors (Lessen Affiliates), we proudly support clients managing over 1 million properties and executing more than 3.5 million work orders annually across a diverse array of services. Based in Scottsdale and Chicago, Lessen, LLC is a venture-backed, privately held company committed to excellence.Position OverviewThe Account Representative plays a crucial role in ensuring the seamless delivery of facilities services to major client sites within a designated geographic area. This role is essential for effective client account management, operational support, and driving financial success for the assigned client portfolio. The Account Representative will collaborate closely with various internal and external stakeholders to address daily client challenges and proactively identify and implement opportunities for meaningful enhancements to client operations.Work ScheduleThis position is scheduled from 8 AM to 5 PM, Monday through Friday, with in-office requirements on Tuesdays, Wednesdays, and Thursdays.

Are you ready to take the lead in vendor sourcing and management? As a Vendor Sourcing Specialist at lessen, you will play a crucial role in identifying, evaluating, and establishing partnerships with key vendors. Your expertise will ensure that we maintain high standards of quality and efficiency while achieving cost-effective solutions.

We are seeking a proactive and detail-oriented Facility Manager to oversee the day-to-day operations of our facilities in Chicago. The ideal candidate will ensure that our premises are safe, functional, and well-maintained, providing an optimal work environment for our team.As a Facility Manager, you will be responsible for managing maintenance, security, and safety protocols, while also coordinating space allocation and optimizing facility services. Your role is crucial in enhancing employee satisfaction and operational efficiency.

About CoinflowCoinflow, a trailblazer in the payments industry, is based in Chicago and is at the forefront of transforming global financial transactions. We empower merchants and marketplaces to accept a variety of payment methods across more than 170 countries, offering instant settlements, AI-driven fraud prevention, and blockchain-based proof-of-delivery.Having secured backing from prominent investors such as Pantera Capital, CMT Digital, Coinbase Ventures, Jump Capital, and Reciprocal Ventures, Coinflow has recently completed a $25M Series A funding round to propel our mission of modernizing cross-border payments.Since our initial funding in 2024, we have experienced tremendous growth, achieving a remarkable 23x increase in revenue and reaching a multi-billion-dollar annual transaction volume run rate!About The RoleWe are on the hunt for a Senior Software Engineer who will play a pivotal role in constructing the core infrastructure that underpins our global payment systems. In this role, you will design and implement systems that manage billions in transactions while collaborating with Product teams to define our offerings, partnering with fellow engineers to refine our methodologies, and taking significant ownership of the systems you develop.What You'll DoBuild Core Payment InfrastructureDesign and implement high-throughput payment processing systems that meet stringent reliability standards.Create APIs and SDKs that facilitate merchant integration with Coinflow.Develop advanced fraud detection and risk management features leveraging real-time data analytics.Scale Our PlatformArchitect systems to ensure performance, reliability, and observability as we scale.Enhance database queries, caching strategies, and service communication for optimal performance.Implement monitoring, alerting, and debugging tools for production systems.Ship Product FeaturesManage end-to-end feature development from technical design to deployment.

FleetPulse™ stands at the forefront of trailer telematics, providing unparalleled visibility into trailer safety and cargo security through our innovative, OEM-agnostic telematics solutions.Headquartered in Chicago, Illinois, FleetPulse merges extensive experience in the trucking industry with top-tier technology expertise to deliver state-of-the-art telematics solutions. Our diverse portfolio includes OEM-installed sensors, user-friendly aftermarket sensors, and advanced cargo cameras. The data harvested directly from trailer sensors and components fuels real-time, proprietary insights via a digital dashboard, empowering our clients to optimize utilization, enhance safety, and minimize maintenance costs.At FleetPulse, we cherish our workforce as our most valuable asset. We cultivate a collaborative, innovative, and supportive atmosphere where each team member significantly contributes to our collective success. By joining FleetPulse, you will be part of an organization dedicated to revolutionizing the transportation sector while appreciating the unique talents of each individual.Please note: This position requires on-site work in Chicago, IL, and we do not offer relocation assistance.

Each year, companies allocate over a trillion dollars to freight movement throughout the U.S., yet the system for connecting trucks with jobs remains inefficient and disjointed. FleetWorks is revolutionizing this.We are developing intelligent voice agents that streamline the chaotic freight booking process, transforming it into a modern, efficient marketplace. Our agents eliminate the need for countless phone calls, texts, and emails by connecting truckers eager to earn with loads requiring transport.We are expanding our engineering team in Chicago, a key hub for our clients and the epicenter of U.S. freight operations. In this position, you will be an integral part of our core engineering team, directly engaging with the environments where our product impacts real-world operations. You will create production features, design integrations within complex customer systems, and develop internal tools and platform components that facilitate efficient scaling of our deployments.If you are a proficient software engineer eager to engage directly with users, tackle ambiguous challenges in real-time, and witness your code powering live operations within days, this role offers a uniquely impactful opportunity.Discover our Series A funding details here!

What Awaits You:Exclusive Employee Perks: Avail special discounts at Fairmont Chicago and Accor properties globally for you and your family.Complimentary Meals: Enjoy free meals at our on-site employee cafeteria.Lifelong Learning: Enhance your culinary skills through customized programs at our prestigious Academies.Make a Difference: Engage in our Corporate Social Responsibility initiatives.Health and Financial Security: Access comprehensive medical and dental benefits, along with convenient direct deposit options.Endless Opportunities: Discover career advancement prospects within Fairmont Chicago and beyond—limitless growth awaits!Your Role: Cultivating Culinary ExcellenceAre you passionate about culinary arts and seeking to elevate your career to a world-class platform? Join our esteemed culinary team and take your skills to new heights.Your Responsibilities:Deliver exceptional, friendly, and proactive guest service while collaborating with team members.Prepare and serve all food items for a la carte and buffet menus, adhering to hotel recipes and standards.Organize workstation with necessary mise en place, tools, equipment, and supplies.Demonstrate knowledge in Wok Cookery and Sushi/Ceviche preparation.Communicate effectively with Sous Chefs or Executive Chef during peak periods to ensure optimal guest service.Anticipate and respond to guests’ needs promptly, acknowledging all guests regardless of the time of day.Contribute ideas, opinions, and suggestions during daily shift briefings.Maintain proper product rotation in chillers to reduce waste and spoilage.Ensure accurate storeroom requisitions.Possess thorough knowledge of all menu items, daily features, and promotions.Maintain cleanliness and organization of all work areas, utensils, and equipment.Flexibility to work across all culinary sections within the hotel.Adhere to kitchen policies, procedures, and service standards.Follow safety and sanitation protocols when handling food and beverages.Comply with hotel attendance policies.Perform other related duties as assigned.Compensation: $28.26 per hour

Join Tovala as a Senior Software Engineer and play a pivotal role in developing innovative software solutions that enhance the culinary experience for our customers. You will work collaboratively with a talented team of engineers, product managers, and designers to create cutting-edge applications that integrate seamlessly with our smart oven technology.Your expertise will contribute to the design, development, and maintenance of scalable software systems, ensuring high performance and responsiveness to requests from the front-end. This is an exciting opportunity to shape the future of home cooking through technology.

About UsAt yassi, we are a profitable and rapidly growing startup based in Chicago, dedicated to developing state-of-the-art vehicle and driver information systems tailored for businesses. Our web-based B2B platform is utilized by Fortune 500 companies and innovative startups, allowing you to witness the immediate impact of your contributions. We blend the agility of a startup with the financial stability of an established business, ensuring you can thrive in a fast-paced, innovative culture without the typical stress associated with early-stage companies.Join our small, dynamic team where your work has a direct influence on the company's growth trajectory. With a flat organizational structure, you will collaborate directly with our CTO, enabling swift decision-making and execution.We are passionate about technology and operate with a cutting-edge tech stack. Our backend is powered by Golang (hosted on AWS) and we implement both gRPC and REST for our services. While the front-end utilizes Node.js and Next.js, your primary focus will be on backend and infrastructure development. If you are enthusiastic about high-performance systems, real-world data, and desire to lead architectural decisions, you will thrive here. We prioritize speed and iteration, valuing engineers who take initiative. Each team member has significant ownership over the product, allowing your ideas and code to shape the future of our platform.This role embraces a hybrid-remote work model in Chicago, promoting collaboration both in-person and remotely. You will be expected to collaborate in our Chicago office 2-3 days per week.Due to the sensitive nature of the information we manage, candidates must be eligible to work in the United States and undergo an enhanced criminal background check. If you are an experienced software engineer eager to apply your leadership and technical skills to make a substantial impact in a rapidly scaling startup and the industry, we invite you to apply for this exciting opportunity.

Join Lessen, a revolutionary property service provider that is reshaping the delivery and management of commercial and residential real estate services at scale. Our cutting-edge technology platform offers data-driven insights that reveal significant growth opportunities for investors, owners, managers, and service providers within the real estate sector. With a robust network of over 30,000 vetted vendors (Lessen Affiliates), we manage over 1 million properties and execute more than 3.5 million work orders annually, across a diverse array of services. Lessen, LLC operates as a venture-backed, privately held company with locations in Scottsdale and Chicago.At Lessen, we value quality over quantity while ensuring exceptional customer service for our clients. We are on the lookout for innovative, solution-oriented Field Maintenance Technicians eager to advance their careers as we expand our national presence.

Who We AreAs a premier transportation and technology firm in North America, Arrive Logistics is on a mission to expand significantly year after year. Our achievements reflect the dedication of our exceptional team and the innovative solutions we are creating together. We prioritize providing our employees with a fulfilling work environment and have cultivated an award-winning culture that fosters personal and professional growth within a fun, casual, and collaborative setting. Now is an exhilarating time to join us—read on to learn more and apply today!Who We SeekWe are looking for a Senior Software Engineer who will collaborate closely with Product Managers, Designers, and fellow Engineers to devise solutions, develop user stories, and implement enhancements for Arrive’s products and systems. This role demands a seasoned professional who will provide technical guidance to a team of engineers, overseeing software development projects to ensure high-quality and functional products that meet the evolving needs of both internal and external customers.

DV Trading seeks a Software Developer to join its Chicago office. This role centers on building software that supports trading operations and helps streamline processes throughout the firm. Key responsibilities Design and develop software that backs trading activities Build tools to improve efficiency for trading teams Work closely with colleagues to identify and solve technical challenges Requirements Professional experience developing software Interest in exploring new technologies Motivation to contribute within a trading-focused environment Location This position is based in Chicago.

Join eproinc as a Senior .NET Developer and take your career to the next level! In this role, you'll be responsible for designing and implementing robust applications using the .NET framework. You'll work alongside a talented team of developers to create innovative solutions that meet our clients' needs.

Join our dynamic team as a .NET Developer!Are you passionate about technology and eager to stay at the forefront of development trends? We are looking for a talented .NET Developer who possesses excellent communication skills to collaborate effectively with stakeholders and fellow developers. Attention to detail and strong analytical abilities are essential for success in this role.Key Responsibilities:Leverage your expertise in .NET Framework (4.0 or later) and C# to develop robust applications.Utilize JavaScript/ECMAScript 5, HTML5, and CSS3 to create responsive designs.Work with Visual Studio (2012 or later) and ASP.NET Web API (2 or later) to deliver high-quality solutions.

LogicGate® stands at the forefront of AI-driven Governance, Risk, and Compliance (GRC) solutions for enterprises. We empower governance, risk, and compliance teams to anticipate challenges, enhance resilience, optimize program performance, and effectively measure impact and business value. Our platform offers a holistic view of risk and compliance, integrating AI intelligence at its core to deliver real-time insights and actionable data that support informed business decisions, while also providing the flexibility to adapt to changing business needs. As a recognized leader in the GRC market, LogicGate is committed to maintaining its status as a premier platform in the industry.At LogicGate, our workforce is the cornerstone of our success. We are dedicated to fostering an outstanding experience for both our employees and customers by empowering individuals to take ownership, make meaningful contributions, and deliver exceptional results.The Role(Based in Chicago)Our Internship Program is meticulously crafted for college students or recent graduates from a variety of disciplines. It offers a unique opportunity to gain hands-on experience in a dynamic, fast-paced, and inclusive environment. This program provides exposure to cutting-edge technology, valuable professional experience, career guidance, and mentorship.How You Will Spend Your Time:Expanding your knowledge across the entire LogicGate technology stack.Utilizing AI tools like Claude Code to enhance the development process.Collaborating closely with experienced software engineers to build strong software engineering fundamentals.Writing tests to ensure a smooth development cycle and a dependable application.Working in a small team to bring innovative ideas to life.Engaging cross-functionally with the broader LogicGate organization.

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 Sonsoft Inc. as a Salesforce Developer I, where you will play a crucial role in developing custom Salesforce applications and solutions that enhance our clients' business processes. You will work alongside a dedicated team of professionals committed to delivering innovative solutions. This is an exciting opportunity for individuals who are passionate about technology and eager to learn and grow in a dynamic environment.

Infleqtion is committed to revolutionizing the field of quantum technologies, focusing on atom-based solutions that significantly enhance sensing and computing capabilities. We are looking for driven and energetic individuals with outstanding problem-solving and technical expertise to propel our Quantum Computing initiatives.At Infleqtion, we cultivate a results-oriented culture characterized by agility, innovation, and a customer-centric approach:We eliminate silos between disciplines, engaging wherever we can make the most substantial impact.We flourish in uncertain environments, viewing challenges as opportunities for growth.We prioritize rapid prototyping while adhering to essential systems engineering principles and meticulous attention to detail.We take bold, strategic risks to drive innovation forward.We are on the lookout for a Senior Software Engineer to be a key player in developing the control system software for Infleqtion’s quantum computing technology. The successful candidate will be an experienced backend engineer with a robust background in crafting reliable and scalable scientific applications. Your contributions will be vital in designing, developing, and maintaining backend services and control systems for our neutral atom quantum computers.