Senior Software Engineer - Windows/Desktop Applications

SpeechifyLouisville, KY, USA

On-site Full-time

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Experience Level

Senior

Qualifications

The ideal candidate will possess a strong proficiency in software development with a focus on Windows and desktop applications. You should have extensive experience in programming languages such as C#, C++, or Java, along with a solid understanding of software development methodologies. Strong problem-solving skills, attention to detail, and the ability to work effectively in a team environment are essential.

About the job

Join Speechify as a Senior Software Engineer specializing in Windows/Desktop applications. In this pivotal role, you will be instrumental in designing and developing innovative software solutions that enhance user experience and drive engagement. You will work collaboratively within a talented team, leveraging your expertise to deliver high-quality products that meet our users' needs.

About Speechify

Speechify is a leading tech company dedicated to making the written word accessible to everyone. Our innovative products are designed to transform reading and learning experiences through cutting-edge technology. Join us in our mission to empower users to consume content in new and engaging ways.

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Senior Materials and Process Engineer

Infleqtion

Full-time|$110K/yr - $125K/yr|On-site|Louisville, Colorado, United States

Infleqtion is a leading global enterprise in quantum technology, dedicated to addressing the world’s most pressing challenges. We leverage the principles of quantum mechanics to design and integrate advanced quantum computers, sensors, and networks. Our commitment to making 'quantum everywhere' a reality is driven by our innovative ecosystem of devices and p…

Apr 8, 2026

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Materials Handler

Umoja Biopharma

Full-time|$25/hr - $31/hr|On-site|Louisville, Colorado, United States

Umoja Biopharma is a pioneering biotech company with locations in Seattle, WA, and Louisville, CO, dedicated to revolutionizing cancer treatment through an innovative integrated immunotherapy platform. Our mission is to develop accessible therapies that can address any tumor, at any time. We pride ourselves on our diverse and expanding team, operating from state-of-the-art facilities in downtown Seattle and Louisville. We are in search of creative minds who are passionate about transformative science and technology, and who are eager to tackle the challenges associated with advanced drug development. At Umoja, we value the impact of storytelling and invite enthusiastic individuals to join us in creating meaningful narratives for ourselves and, more importantly, for patients and their families.Umoja Biopharma – Your Body. Your Hope. Your Cure.POSITION SUMMARYWe are currently seeking a dedicated and skilled Materials Handler to become a vital part of our Supply Chain team. In this role, you will collaborate with various departments, including Manufacturing, Quality, and Laboratory Materials groups, to meet the material requirements of the business effectively.The Materials Handler will primarily focus on the receipt, stocking, inventory management, and data entry of materials to support pre-clinical, toxicology, engineering, and GMP manufacturing operations. Adherence to Standard Operating Procedures (SOPs) is essential, and the Materials Handler must demonstrate the ability to follow all SOPs and work instructions accurately.The successful candidate will work closely with stakeholders to anticipate needs, resolve issues swiftly, and provide a consistently high-quality service experience. We seek someone who takes ownership of their responsibilities, communicates effectively, and collaborates well to ensure our partners receive timely and effective support.Additional responsibilities may include communication with Umoja teams and providing feedback on warehouse processes. The ideal candidate will possess strong communication skills, be highly organized, and detail-oriented.Previous experience in a GMP environment and proficiency in operating a forklift are highly preferred.This position supports supply chain activities and reports directly to the Warehouse Manager, working on-site five days a week in Louisville, CO.CORE ACCOUNTABILITIESSpecific responsibilities include:

Apr 3, 2026

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Senior Business Process Systems Analyst

Infleqtion

Full-time|$130K/yr - $150K/yr|On-site|Louisville, Colorado, United States

Infleqtion is a premier quantum technology firm dedicated to pioneering transformative, atom-based solutions that seamlessly blend quantum hardware and software. Our innovations are designed to enhance precision and performance across critical sectors, including national security, enterprise, and infrastructure. With a specialization in atomic clocks, quantum RF, quantum computing, and advanced quantum technologies, we are accelerating breakthroughs in artificial intelligence, sensing, and secure communications. Our systems are already making a substantial impact in mission-critical environments globally.Headquartered in Louisville, Colorado, with additional offices in Boulder, Madison, Chicago, Oxford, and Melbourne, Infleqtion operates on a global scale to spearhead innovation in quantum technology.As a dynamic deep-tech startup, Infleqtion is in search of a seasoned Senior Business Process & Systems Analyst to lead cross-functional process optimization initiatives and drive enhancements to our business systems, particularly NetSuite, facilitating our rapid growth and commitment to operational excellence.Key Responsibilities:Conduct comprehensive analysis, design, and optimization of business processes across finance, operations, supply chain, and commercial functions.Act as the internal NetSuite subject-matter expert, overseeing configuration, customization, enhancements, and integrations that align with business requirements and governance standards.Collaborate with stakeholders to gather requirements, translate needs into clear functional specifications, and manage delivery through the entire project lifecycle (intake, design, build, test, training, go-live, and stabilization).Design and maintain NetSuite dashboards, workflows, automations, and reporting to enhance visibility, controls, and decision-making processes.Work closely with technical teams and vendors to ensure reliable integrations between NetSuite and other enterprise applications (e.g., CRM, PLM, HRIS).Perform root-cause analysis on system/process issues and implement scalable, sustainable solutions.Support change management by providing documentation, user training, testing/UAT coordination, and adoption support.

Dec 22, 2025

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Laboratory Materials Associate

Umoja Biopharma

Full-time|$23K/yr - $29K/yr|On-site|Louisville, Colorado, United States

Join Umoja Biopharma, a pioneering biotech company with a mission to revolutionize cancer treatment through our innovative integrated immunotherapy platform. With state-of-the-art facilities in Seattle, WA, and Louisville, CO, we are dedicated to developing off-the-shelf therapies that can address any tumor at any time. Our diverse and expanding team is passionate about pushing the boundaries of science and technology in the field of drug development. We invite innovative thinkers who are eager to face the challenges of cutting-edge healthcare solutions to apply and help us create impactful stories for patients and their families.Umoja Biopharma – Your Body. Your Hope. Your Cure.POSITION SUMMARYWe are looking for a highly motivated and detail-oriented Laboratory Materials Associate to support our Research and Development (R&D) and Quality Control (QC) laboratories at our Colorado Laboratory, Innovation and Manufacturing Building (CLIMB) facility. The ideal candidate will have a solid understanding of biology and cell culture lab operations. Responsibilities include restocking supplies, managing shipping and receiving, conducting inventory counts, and processing incoming inventory. This role also offers opportunities for involvement in continuous improvement projects and supporting additional supply chain functions as needed.This position requires on-site availability 5 days a week at our Louisville, CO location.

Apr 3, 2026

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Senior Civil Engineer - Transportation

AECOM

Full-time|On-site|Louisville

Join our team at AECOM as a Senior Civil Engineer specializing in Transportation. You will play a critical role in designing and implementing complex transportation systems that enhance infrastructure and improve community connectivity. Your expertise will guide projects from conception through completion, ensuring adherence to regulatory standards and client specifications.

Dec 29, 2025

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Senior Water/Wastewater Engineer

Lochmueller Group

Full-time|On-site|Louisville KY

Join our innovative team as a Senior Water/Wastewater Engineer, where you will spearhead the planning, design, and execution of pivotal infrastructure initiatives that promote sustainable and efficient communities. In this role, you will offer technical leadership to deliver outstanding water and wastewater solutions for municipal and public agency clients. Your expertise will influence projects ranging from treatment plant enhancements to pipeline and pump station designs, directly impacting the reliability, efficiency, and long-term sustainability of critical water infrastructure. Additionally, you will be instrumental in mentoring team members, managing projects, and fostering the growth and success of our water practice. This position offers the flexibility to work from our offices in either Louisville, KY or Jeffersonville, IN. Lochmueller Group is a leading regional engineering consulting firm focused on enhancing infrastructure. We provide a wide range of multidisciplinary services to various public agencies and private organizations, including transportation, water resources, environmental analysis & permitting, construction engineering & inspection, traffic engineering & transportation planning, surveying, and land acquisition & appraisal. For more than 40 years, Lochmueller Group has empowered communities to shape their futures through strategic and actionable planning and design. Our commitment to cultivating a team that embodies our corporate values (CARDIA) distinguishes us: CARDIA: Creativity; Accountability; Respect; Dedication; Integrity; Achievement Lochmueller Group prides itself on a vibrant workplace culture nurtured by our team members who share these values. As a 100% employee-owned (ESOP) company, our employees are dedicated to the success and continuous development of one another and the organization. This is an exceptional environment to build your career and evolve with a company committed to quality and service.

Mar 26, 2026

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Senior Opto-Mechanical Engineer

ColdQuanta

Full-time|On-site|Louisville, Colorado, United States

Join ColdQuanta as a Senior Opto-Mechanical Engineer, where you will play a pivotal role in designing and developing cutting-edge opto-mechanical systems. You will collaborate with a team of skilled engineers and scientists to create innovative solutions that push the boundaries of technology.

Apr 30, 2026

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Sequencing Process Development Specialist

Eurofins Scientific

Full-time|On-site|Louisville

Join Eurofins Scientific as a Sequencing Process Development Specialist, where you will play a pivotal role in advancing our sequencing technologies. This position involves the development, optimization, and implementation of protocols to enhance sequencing processes. You will collaborate with cross-functional teams to ensure high-quality results that meet client specifications.

May 1, 2026

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Senior Manager of Electrical Engineering

Capella Space

Full-time|On-site|Louisville, CO

Join Capella Space as a Senior Manager of Electrical Engineering, where you will lead innovative projects in satellite technology. We are looking for a dynamic leader to oversee our electrical engineering team, ensuring the development of cutting-edge solutions for our satellite systems. You will play a crucial role in driving technical excellence and fostering a collaborative environment.

May 2, 2026

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Senior Structural Engineer - Technical Lead

AECOM

Full-time|On-site|Louisville

Join our dynamic team as a Senior Structural Engineer - Technical Lead, where you will be instrumental in shaping innovative and sustainable infrastructure solutions. You will lead design and engineering projects, ensuring the highest standards of quality and safety. Your expertise will guide junior engineers and collaborate with multidisciplinary teams to deliver exceptional results.

Jan 30, 2026

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Synthetic DNA Process Development Scientist

Eurofins Scientific

Full-time|On-site|Louisville

Eurofins Scientific seeks a Synthetic DNA Process Development Scientist to join its Louisville, KY laboratory. The position centers on advancing and improving synthetic DNA production methods, directly supporting projects in genetic engineering and molecular biology. Key responsibilities Drive process development and optimization for synthetic DNA manufacturing Work closely with scientists and technical staff to refine laboratory protocols Contribute to ongoing enhancements in the lab’s genetic engineering and molecular biology work Team environment Collaborate with colleagues committed to biotechnological research in a well-equipped, modern laboratory.

Apr 24, 2026

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Senior Software Engineer - Core Experiences

Speechify

Full-time|On-site|Louisville, KY, USA

About Speechify Speechify builds tools that let people listen to articles, documents, and books wherever they are, at a desk, on the move, or at their own pace. The platform aims to make information more accessible and help users learn faster and more deeply. Like streaming changed audio entertainment, Speechify is reshaping how people access audio information. The company leads its category and continues to grow quickly. Role Overview The Senior Software Engineer - Core Experiences will join the team responsible for the core services and SDKs that power Speechify’s product across platforms. This role suits someone who enjoys working where product and infrastructure meet, thinks strategically, and cares about building reliable APIs and smooth systems to improve user experiences. What You Will Do Work closely with Product Teams to define project scopes, spot ways to speed up customer feedback, weigh integration and UX trade-offs, and deliver solutions using a cross-platform SDK. Improve current features to boost performance, such as faster loading and smarter parsing, by designing efficient abstractions and refining algorithms. Build and deploy cloud functions, lightweight backend services, and jobs using Kotlin. Location Louisville, KY, USA

Apr 20, 2026

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Senior Project Manager - Forensic Engineering

Design Works Talent

Full-time|On-site|Louisville

Role Overview Design Works Talent seeks a Senior Project Manager with a strong background in forensic engineering for its Louisville office. This role takes ownership of complex projects, guiding them from initial planning through final delivery. What You Will Do Lead forensic engineering projects, managing all phases from start to finish Analyze technical data and conduct detailed investigations Deliver clear insights and findings to support project outcomes Ensure projects meet quality, timeline, and budget expectations Location This position is based in Louisville.

Apr 15, 2026

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Senior Optical & Hardware Integration Engineer

ColdQuanta

Full-time|On-site|Louisville, Colorado, United States

Join ColdQuanta as a Senior Optical & Hardware Integration Engineer, where you will play a pivotal role in the development and integration of cutting-edge optical systems and hardware components. You will collaborate with a talented team to innovate and enhance our product offerings, ensuring they meet the highest standards of performance and reliability.Your expertise will guide the integration of optical technologies into our hardware platforms, contributing significantly to the design and implementation of advanced solutions. If you are passionate about optics and hardware integration, and thrive in a fast-paced, dynamic environment, we want to hear from you!

Apr 8, 2026

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Senior GIS Solutions Engineer – AEC

Esri

Full-time|On-site|Denver, CO - Louisville

Esri is seeking a Senior GIS Solutions Engineer with expertise in the Architecture, Engineering, and Construction (AEC) sector. This position is located in Denver, CO - Louisville and focuses on using advanced GIS knowledge to support clients as they improve their project workflows and outcomes. Key Responsibilities Work closely with AEC clients to understand their project requirements and challenges. Develop and deliver GIS solutions that address specific client needs. Guide clients through the adoption and implementation of new GIS technologies and processes. Apply practical GIS methods to help clients achieve better project results. Role Focus This role centers on hands-on collaboration with clients in the AEC industry. The Senior GIS Solutions Engineer applies deep technical knowledge to design solutions, offer guidance, and ensure clients can make the most of GIS tools in their work.

Apr 22, 2026

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Senior Software Engineer - TrainingPeaks Virtual

Peaksware

Full-time|$111.2K/yr - $185.4K/yr|On-site|Louisville, Colorado, United States

Company OverviewJoin the dynamic team that empowers the world's elite endurance athletes.At TrainingPeaks, we understand that every exceptional athlete is supported by a dedicated coach and cutting-edge technology to unlock their full potential. Our platform is the trusted choice for champions, including Tour de France victors, Olympic medalists, and everyday athletes, providing them the tools to plan, monitor, and evaluate their training journeys. If you are a performance-oriented individual, an enthusiastic coach, or someone who thrives on creating impactful tools, TrainingPeaks is where your ambitions can truly make a difference.As part of the Peaksware family, which includes brands like TrainingPeaks, MakeMusic, Alfred Music, and TrainHeroic, we are unified by a common goal: to craft software that transforms purposeful practice into measurable performance. At Peaksware, we don’t just create products; we foster communities of driven individuals pursuing progress, encompassing athletes, musicians, performers, and their support teams.Position OverviewWe invite you to become a Senior Software Engineer on our TrainingPeaks Virtual team, dedicated to pioneering the future of virtual cycling, running, and endurance training.Collaborate with an experienced engineering team, taking charge of backend systems, delivering significant features, and contributing to a robust engineering culture characterized by code reviews, PR workflows, and testable patterns.TrainingPeaks Virtual is utilized by athletes around the globe to train, compete, and prepare for the events that matter most to them. Our engineering team is working diligently towards a refined, professional product in time for the trainer season this October. If you want your contributions to directly impact how athletes prepare for significant events, this is the ideal opportunity for you.This position is part of the TPV Engineering Team and reports directly to the Engineering Manager.Key Responsibilities:Develop features that resonate with athletes and coaches, taking full ownership from requirements through deployment, with clear accountability for results.Address intricate technical challenges to ensure our systems remain fast, reliable, secure, and resilient.Design and implement backend systems that enhance team productivity, code quality, and long-term sustainability.Create stable, scalable, and well-documented APIs that power our products and assist our internal and external development partners.Contribute to our CI/CD pipeline and testing culture as we establish the groundwork for scalability.Enhance the skills of your teammates by engaging in code reviews and sharing your knowledge during architecture discussions.Encourage open communication, promote best practices, and explore emerging technologies to keep our team innovative and sharp.

Apr 30, 2026

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Senior Software Engineer in Navigation & Robotics

ATEC Spine

Full-time|$120K/yr - $140K/yr|On-site|Louisville, Colorado, United States

Join ATEC Spine as a Senior Software Engineer, where you will play a pivotal role in advancing our surgical navigation and robotics platform. In this capacity, you will leverage your technical expertise to independently devise innovative solutions for complex challenges, ensuring our medical products not only meet but exceed user expectations and adhere to our rigorous quality and reliability standards.Your responsibilities will encompass the entire software development lifecycle, including the design, development, testing, maintenance, and documentation of high-quality applications. You will actively engage in various phases of product development—reviewing requirements, assessing risks, and executing tests. Collaboration is key, as you will work closely with mechanical, electrical, systems, software, and test engineers to achieve our collective objectives.Key Responsibilities:Architect and develop high-quality applications and frameworks for the Unix/Linux environment.Write and implement application software using C++.Collaborate with marketing and cross-functional R&D teams to evaluate, prioritize, and detail future product features.Conduct integration and system-level testing for both software and software/hardware systems.Create comprehensive documentation related to software development projects, including design artifacts and test plans.Estimate tasks and manage software projects in alignment with project plans.Balance multiple tasks and projects while maintaining priorities.Participate in surgical cases, maintaining close interaction with surgeons and keeping abreast of ongoing company projects across technical disciplines.Support the integration of advanced algorithms into production software, including AI/ML image processing systems.Work in tandem with R&D and Marketing teams for clinical prototyping, testing, and formal evaluations in cadaveric surgical labs.Ensure rigorous version control, unit testing, and thorough documentation to facilitate regulatory assessments.Willingness to travel up to 15% of the time.

Jan 29, 2026

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Lead Senior Software Engineer for Quantum Technologies

ColdQuanta

Full-time|On-site|Louisville, Colorado, United States

Join Our Mission at ColdQuantaAt ColdQuanta, we are pioneering the commercialization of atom-based quantum technologies, offering unparalleled enhancements in sensing and computing applications. As a forward-thinking deep-tech startup, we thrive on innovation driven by results, a fast-paced environment, and a steadfast commitment to our customers.We are currently in search of a Senior Software Engineer to spearhead the development and productization of our software systems that interact with advanced quantum and embedded hardware. This pivotal role emphasizes full-stack software engineering, effective team leadership, and the implementation of robust software engineering practices.While a background in physics is not a prerequisite, familiarity with physical systems or scientific instrumentation is advantageous. The ideal candidate will prioritize software engineering, possess a strong understanding of embedded systems, and have a proven track record of leadership in contemporary software development settings.Key ResponsibilitiesLead and coordinate global software development initiatives for quantum sensing products.Act as the technical lead for the software engineering team, steering daily operations and development priorities.Collaborate with project managers and technical leads to strategize and implement development milestones.Facilitate daily stand-up meetings, manage the Jira board, and guarantee the timely achievement of sprint objectives.Oversee and uphold software engineering best practices, including code reviews, testing standards, documentation, and CI/CD processes.Serve as the intermediary between the software engineering team and the wider multidisciplinary project team.Software DevelopmentGuide the development of the frontend application utilizing React/Next.js, ensuring high performance, maintainability, and scalability.Own the backend REST API developed in Python (FastAPI), ensuring seamless integration with hardware control and middleware components.Contribute to the integration of Rust-based middleware and/or driver software utilized for device control.Collaborate closely with embedded systems engineers to facilitate smooth interaction between software and hardware elements.Engage in architectural discussions and contribute to technical design documentation.Assist in transitioning projects from prototype to production-ready systems.

Nov 14, 2025

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Senior Software Engineer - Windows/Desktop Applications

Speechify

Full-time|On-site|Louisville, KY, USA

Apr 30, 2026

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Senior Embedded Software Engineer at Infleqtion | Louisville, CO

Infleqtion

Full-time|$140K/yr - $175K/yr|On-site|Louisville, Colorado, United States

At Infleqtion, we are dedicated to addressing some of the world’s most pressing challenges through the application of advanced quantum technology. Our goal is to bring atom-based quantum products to market, achieving exceptional enhancements in sensing and computing capabilities. We take pride in our commitment to advancing the quantum ecosystem, paving the way for significant technological breakthroughs today, as well as laying the groundwork for the innovations of tomorrow.POSITION SUMMARYThe Hardware Engineering Team within Infleqtion’s Computing Product Group (CPG) is on the lookout for a Senior Embedded Software Engineer. In this vital role, you will be responsible for developing and delivering high-performance embedded and systems software that facilitates real-time quantum error correction and classical control at scale. Your work will involve the integration of NVIDIA high-speed interconnects with quantum error-correction decoding pipelines, collaborating closely with quantum software, physics, and hardware teams.This is a senior-level individual contributor position where you will independently manage complex subsystems from start to finish within an established architecture, tackle technically challenging issues, liaise directly with external partners, and mentor junior engineers, without defining the long-term platform architecture. You will also act as the primary point of contact for subsystem hardware integration with NVIDIA’s NVQLink.JOB RESPONSIBILITIESIn this role, you will be entrusted with:Independently designing, implementing, validating, and maintaining embedded and systems-level software subsystems that support real-time quantum error correction and control.Translating quantum error-correction specifications (code distance, syndrome rates, latency budgets) into precise classical compute, memory, and interconnect requirements.Designing systems that fulfill deterministic latency, bandwidth, and reliability criteria across CPU, GPU, FPGA, and high-speed interconnect domains.Serving as the technical advisor for NVIDIA NVQLink integration, encompassing topology, bandwidth modeling, latency characterization, and failure analysis. This role involves direct collaboration with NVIDIA personnel, as well as experts from academia and U.S. national laboratories.Working in close partnership with Quantum Software, Physics, Electrical, and Systems Engineering teams to co-design hardware/software interfaces.Troubleshooting and resolving intricate performance, scaling, and integration challenges across firmware, drivers, operating systems (Embedded Linux/bare-metal environments), GPU runtimes, and hardware.Developing and maintaining validation infrastructure, performance benchmarks, and test harnesses to ensure deterministic behavior and scaling.

Feb 6, 2026

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