Application Software Engineer jobs in Los Angeles – Browse 925 openings on RoboApply Jobs

Application Software Engineer jobs in Los Angeles

Open roles matching “Application Software Engineer” with location signals for Los Angeles. 925 active listings on RoboApply Jobs.

925 jobs found

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K2 Space Corporation logoK2 Space Corporation logo
Application Software Engineer

K2 Space Corporation

Full-time|$123K/yr - $160K/yr|On-site|Los Angeles, CA

At K2 Space Corporation, we are pioneering the development of the world's largest and most powerful satellites, enabling unprecedented performance across all orbits. With an impressive backing of $450 million from prestigious investors like Altimeter Capital, Redpoint Ventures, and Lightspeed Venture Partners, along with an additional $500 million in contrac…

Mar 16, 2026
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Coupa Software logoCoupa Software logo
Full-time|On-site|Los Angeles, California, United States

Join Coupa Software as a Principal Software Engineer specializing in Application Architecture, where you'll play a crucial role in designing and implementing innovative software solutions. We are seeking a talented individual who is passionate about technology and thrives in a collaborative environment.In this role, you will lead the architectural design of applications that enhance business processes and support our clients’ needs. You will work closely with cross-functional teams to ensure that all solutions are efficient, scalable, and aligned with our strategic goals.

Feb 23, 2026
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Speechify logoSpeechify logo
Full-time|On-site|Los Angeles, CA, USA

Role overview Speechify seeks a Senior Software Engineer in Los Angeles, CA to focus on Windows and desktop applications. The position involves designing, developing, and enhancing desktop software with an emphasis on delivering a strong user experience. What you will do Develop and maintain Windows and desktop applications for Speechify’s users Collaborate with engineering, product, and design teams to launch new features and refine existing ones Improve application performance and ensure reliability Offer technical input and propose solutions to help advance Speechify’s technology

Apr 25, 2026
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K2 Space Corporation logoK2 Space Corporation logo
Full-time|$190K/yr - $230K/yr|On-site|Los Angeles, CA

K2 Space Corporation is at the forefront of aerospace innovation, creating the largest and most powerful satellites ever deployed. Our groundbreaking technology is set to redefine performance across all orbits, backed by $450 million in funding from esteemed investors such as Altimeter Capital, Redpoint Ventures, and T. Rowe Price. With an additional $500 million in contracts with commercial and government clients, we are mass-producing high-performance satellite platforms designed for missions ranging from Low Earth Orbit (LEO) to deep space.As the aerospace landscape evolves with the advent of heavy-lift launch vehicles, we believe a new generation of spacecraft is essential. Our satellites are engineered to withstand extreme radiation environments while maximizing the capabilities of today’s and tomorrow’s powerful rockets, delivering unparalleled performance at constellation scale across various orbits.With multiple launches scheduled through 2026 and 2027, we are committed to advancing humanity's exploration of the solar system, aspiring to achieve a Kardashev Type II (K2) civilization. If you are an enthusiastic engineer ready to thrive in a dynamic environment and eager to contribute to the success of a revolutionary Series C space startup, we invite you to apply.

Mar 25, 2026
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K2 Space Corporation logoK2 Space Corporation logo
Full-time|$160K/yr - $200K/yr|On-site|Los Angeles, CA

K2 Space Corporation is pioneering the creation of the largest and most powerful satellites ever launched, enabling unprecedented performance across all orbits. With a remarkable backing of $450 million from top investors such as Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, and Alpine Space Ventures, along with an additional $500 million in signed contracts with commercial and U.S. government clients, we are set to mass-produce the most advanced satellite platforms for missions ranging from Low Earth Orbit (LEO) to deep space.The evolution of heavy-lift launch vehicles is transforming the industry from a phase of mass constraint to one of mass abundance, prompting a need for a radically different class of spacecraft. Our K2 satellites are engineered to withstand the toughest radiation environments and fully leverage today’s and tomorrow’s massive rockets, delivering unparalleled capabilities at a constellation scale across various orbits.With multiple launches scheduled through 2026 and 2027, we are on a mission to build a Kardashev Type II (K2) civilization. If you are a driven individual who excels in a dynamic environment and is eager to contribute to the success of an innovative Series C space startup, we would love to see your application.

Mar 25, 2026
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Freeform Future Corp logoFreeform Future Corp logo
Full-time|On-site|Los Angeles, CA (On-site)

Join Freeform Future Corp as a Lead Applications Engineer specializing in the automotive sector. In this critical role, you will spearhead innovative solutions, ensuring the seamless integration of advanced technologies into our automotive applications. Your expertise will drive our projects forward, collaborating with cross-functional teams to deliver high-quality results.

Apr 3, 2026
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Hadrian Automation logoHadrian Automation logo
Applications Engineer

Hadrian Automation

Full-time|$130K/yr - $220K/yr|On-site|Los Angeles

Join Hadrian - Pioneering the Future of ManufacturingAt Hadrian, we are at the forefront of transforming manufacturing for the aerospace and defense sectors. Our autonomous factories empower companies to produce rockets, satellites, jets, and ships with a remarkable speed increase of up to 10 times and a cost reduction of 50%. By fusing cutting-edge software, robotics, and comprehensive manufacturing processes, we are redefining how America fabricates its essential components.With a recent $260 million Series C funding round, we are thrilled to announce the launch of a new 270,000 square-foot Factory in Mesa, Arizona, which will create 350 immediate job opportunities. Our new headquarters aims to support thousands of future hires, and we are also introducing Hadrian Maritime to enhance naval production. Our innovative Factory-as-a-Service model will deliver complete systems rather than merely individual components.Collaborating with startups, Tier 1 and Tier 2 suppliers, and major defense contractors across the domains of space, shipbuilding, and aviation, Hadrian is dedicated to scaling production, minimizing costs, and expediting delivery of mission-critical projects. Backed by prominent investors such as Lux Capital, Founders Fund, and Andreessen Horowitz, our rapidly growing team is united by our mission to reindustrialize American manufacturing for the 21st century and beyond!Your RoleAs part of Hadrian's Applications Engineering team, you will spearhead the development of innovative 0-1 machining solutions to enhance the throughput and capabilities of our factories. Your focus will be on creating groundbreaking solutions for CNC programming, workholding, fixturing, tooling, process control, and new materials.We are seeking a proactive and inquisitive Applications Engineer to drive our Machining roadmap, enabling Hadrian's multi-factory expansion across the United States. You will collaborate closely with the Applications Engineering, CAM Operations, Software Engineering, and Robotics teams to push the limits of machining at scale, joining our already world-class team.Key ResponsibilitiesInnovate New Capabilities – Challenge the boundaries of programming, machining, workholding, and automation to satisfy demanding market needs from our clients.New Product Introduction (NPI) Development – Create high-risk, high-reward 0-1 NPI parts as we onboard new customers or technologies (techniques, materials, part families).Subject Matter Expert – Contribute to the product vision of our Copilot software, enhancing productivity for our CAM programmers.

Jul 17, 2025
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Freeform Future Corp logoFreeform Future Corp logo
Full-time|On-site|Los Angeles, CA (On-site)

Join Freeform Future Corp as a Lead Applications Engineer in the dynamic field of robotics. In this pivotal role, you will spearhead the design and implementation of cutting-edge robotic applications that revolutionize industries. Collaborate with cross-functional teams to drive innovation and enhance our product offerings.

Apr 3, 2026
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Xometry logoXometry logo
Full-time|On-site|Los Angeles, CA

Join Xometry as an Application Engineer specializing in Injection Molding. In this role, you will leverage your engineering expertise to provide innovative solutions and support our clients in achieving optimal product performance. You will collaborate with cross-functional teams to design and implement injection molding processes that meet our customers' needs.

Feb 24, 2026
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Freeform Future Corp logoFreeform Future Corp logo
Full-time|On-site|Los Angeles, CA (On-site)

Join Freeform Future Corp as a Lead Applications Engineer in the dynamic semiconductor industry. In this pivotal role, you will spearhead innovative engineering projects, collaborate with cross-functional teams, and drive technical excellence. Your expertise will play a crucial role in enhancing product development and customer satisfaction.

Apr 3, 2026
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Freeform Future Corp logoFreeform Future Corp logo
Full-time|On-site|Los Angeles, CA (On-site)

Join Freeform Future Corp as a Lead Applications Engineer in the dynamic field of Aerospace & Defense. In this pivotal role, you will be responsible for leading the development and implementation of cutting-edge applications that drive innovation and enhance operational efficiency.Your expertise will play a crucial part in ensuring that our projects meet the highest standards of quality and performance. Collaborate with cross-functional teams to deliver tailored solutions that meet client specifications while pushing the boundaries of technology.

Apr 3, 2026
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Xometry logoXometry logo
Full-time|On-site|Los Angeles, CA

Join Xometry as a Senior Application Engineer specializing in CNC Machining, where you will play a pivotal role in optimizing our manufacturing processes and providing exceptional technical support to our clients. You will leverage your expertise in CNC machining to troubleshoot complex issues, develop innovative solutions, and enhance our service offerings. This position requires a deep understanding of CNC technologies and a passion for engineering excellence.

Mar 25, 2026
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Riot Games, Inc. logoRiot Games, Inc. logo
Full-time|On-site|Los Angeles, USA

At Riot Games, our Enterprise Technology division empowers our team members to unleash their full potential by providing secure, scalable, and efficient technology solutions. The Finance Technology team is dedicated to modernizing financial systems, streamlining workflows, and ensuring the long-term sustainability of Riot’s financial ecosystem.As a OneStream Application Engineer, you will play a pivotal role in the administration, operation, and governance of Riot’s OneStream platform. Your responsibilities will encompass system administration, upgrades, out-of-the-box module implementation, ETL data flows, data governance, reporting automation, documentation, and user enablement. Your expertise will ensure the platform remains stable, well-governed, and widely adopted within the Finance organization. You will collaborate closely with a senior application engineer who will spearhead technical system development and integrations, while you contribute your operational knowledge and execution excellence.

Mar 26, 2026
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accordion logoaccordion logo
Full-time|On-site|Atlanta; Boston; Charlotte; Chicago; Dallas; Los Angeles; New York; San Francisco

accordion is looking for an Application Architect to guide the design and delivery of new application solutions. This position is available in several major cities, including Atlanta, Boston, Charlotte, Chicago, Dallas, Los Angeles, New York, and San Francisco. Role overview The Application Architect leads efforts to create scalable and efficient applications that align with business goals. Collaboration with cross-functional teams is central to this role, ensuring that each solution supports both immediate needs and long-term growth. What you will do Design and implement application architectures that support business requirements Work closely with teams across departments to deliver effective solutions Apply architecture patterns and development best practices to all projects Help shape the direction of application development at accordion Requirements Strong background in application architecture and development practices Experience building scalable, high-performing applications Ability to collaborate effectively with diverse teams This role allows for meaningful input into how applications are developed and provides the chance to work alongside others who value innovation and teamwork.

Apr 29, 2026
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Hadrian Automation logoHadrian Automation logo
Backend Software Engineer

Hadrian Automation

Full-time|$120K/yr - $250K/yr|On-site|Los Angeles

Join Hadrian in Shaping the Future of ManufacturingAt Hadrian, we are on a mission to revolutionize the aerospace and defense manufacturing landscape through our state-of-the-art autonomous factories. Our innovative approach enables companies to manufacture rockets, satellites, jets, and ships at speeds up to 10 times faster and at costs reduced by half. By integrating cutting-edge software, robotics, and comprehensive manufacturing solutions, we are redefining the production of America's most essential components.Recently, we secured a $260 million Series C funding to expedite our vision. We are thrilled to open a new state-of-the-art Factory in Mesa, Arizona—a sprawling 270,000 square foot facility that will create 350 immediate job opportunities. Furthermore, we are establishing a new headquarters to accommodate thousands of hires in the future, launching Hadrian Maritime to support naval production, and introducing our Factory-as-a-Service model for delivering holistic systems instead of mere parts.We collaborate with startups, Tier 1 and Tier 2 suppliers, and major defense contractors across industries such as space, shipbuilding, and aviation to enhance production, drive down costs, and expedite delivery of mission-critical initiatives. Backed by prominent investors like Lux Capital, Founders Fund, and Andreessen Horowitz, our rapidly expanding team is united by a singular goal: to modernize American manufacturing for the 21st century and beyond!Your RoleAs a Backend Software Engineer, you will engage with multiple internal products and teams:Flow is our flagship FactoryOS platform, housing applications that model, manage, and automate an intricate web of factories.Copilot offers a suite of automation products that enhance or expedite crucial factory processes, including quoting, CAM programming, and CMM programming.Factory Automation is responsible for creating robotic solutions for our factories along with the software that powers them.Prospective candidates will find diverse opportunities to innovate within our extensive backend services and applications, particularly in redefining manufacturing software, from distributed systems to automation infrastructures.Key ResponsibilitiesDesign, architect, implement, and deploy critical backend services across various product lines.Develop and maintain robust, scalable, and high-performance APIs and systems tailored for a complex production environment.Collaborate with manufacturing and software experts during product discovery to determine essential features and improvements.

Jan 16, 2026
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Freeform Future Corp logoFreeform Future Corp logo
Full-time|On-site|Los Angeles, CA (On-site)

Join Freeform Future Corp as a Senior Embedded Software Engineer! In this role, you'll be at the forefront of developing innovative software solutions for embedded systems. Collaborate with a talented team to design, implement, and optimize software that powers our cutting-edge products. Your expertise will be essential in driving the success of our projects, ensuring high performance and reliability.

Apr 2, 2026
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Apex Technology Inc. logo
Full-time|On-site|Los Angeles

The aerospace industry faces a critical demand for innovative spacecraft solutions. With the recent surge in launch vehicles and decreasing costs to orbit, a growing number of companies are entering the space sector, necessitating advanced commercial spacecraft platforms, known as satellite buses. These satellite buses are essential for carrying payloads into space and are designed for optimal performance during launches.At Apex, we specialize in manufacturing these satellite buses at scale, leveraging cutting-edge technology in software, vertical integration, and hardware tailored for efficient manufacturing processes. Our spacecraft play a pivotal role in shaping the future of society, contributing to applications ranging from Earth observation to advanced communications.Join us on our mission to provide humanity with access to the galaxy beyond our planet!

Feb 6, 2026
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Hadrian Automation logoHadrian Automation logo
Frontend Software Engineer

Hadrian Automation

Full-time|$120K/yr - $250K/yr|On-site|Los Angeles

Join Hadrian - Shaping the Future of ManufacturingAt Hadrian, we are revolutionizing the aerospace and defense sectors by creating autonomous factories that enable the manufacturing of rockets, satellites, jets, and ships up to 10 times faster and at half the cost. By integrating cutting-edge software, robotics, and comprehensive manufacturing solutions, we are transforming how America produces its most essential components.With a recent influx of $260 million in Series C funding, we are poised to accelerate our mission. We are launching a state-of-the-art Factory in Mesa, Arizona, spanning 270,000 square feet and creating 350 immediate job opportunities. Additionally, we are establishing a new headquarters to accommodate thousands of future hires, unveiling Hadrian Maritime for naval production, and introducing a Factory-as-a-Service model that provides complete systems rather than just individual components.Hadrian collaborates with startups, Tier 1 and Tier 2 suppliers, and major defense contractors in the realms of space, shipbuilding, and aviation to enhance production capabilities, cut costs, and expedite delivery on mission-critical projects. Supported by leading investors such as Lux Capital, Founders Fund, and Andreessen Horowitz, our rapidly expanding team is dedicated to reindustrializing American manufacturing for the 21st century and beyond!Your RoleAs a Frontend Software Engineer, you will have the opportunity to collaborate with various internal products and teams. You will work on:Flow, our FactoryOS platform that encompasses a diverse range of applications designed to model, manage, and automate our intricate network of factories.Copilot, a suite of manufacturing automation tools that streamline essential factory processes like quoting, CAM programming, and CMM programming.Factory Automation, where you will help develop robotic cells and the software that governs them.This role offers ample opportunities for those passionate about redefining manufacturing software to make a significant impact.Your ResponsibilitiesDesign, architect, and deploy vital applications across various product lines.Collaborate with manufacturing and software experts during product discovery to identify needs and enhancements.Work alongside a talented team of engineers and operators to bring innovative solutions to life.

Aug 20, 2025
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Oscar Health logoOscar Health logo
Full-time|$192K/yr - $252K/yr|Hybrid|Los Angeles, California, United States

Join us at Oscar, where we are on a mission to redefine health insurance through technology! We are excited to invite talented Staff Software Engineers to become a part of our dynamic Engineering team. Founded in 2012, Oscar is pioneering a health insurance model centered around a comprehensive technology platform that prioritizes the needs of our members. We aim to create a health insurance experience that feels as supportive and caring as a family doctor. Role Overview We are looking for Staff Software Engineers with a fullstack focus (leaning towards frontend) to collaborate with various teams across our Engineering organization. In this pivotal role, you will spearhead technical initiatives aimed at developing dependable and maintainable applications, infrastructure, and user interfaces that streamline interactions with the healthcare system for both our members and providers. You will report to a leader within the Engineering Organization (Associate Director or higher). Work Location: This position is based in our Los Angeles office, requiring a hybrid work schedule with three in-office workdays per week. Thursdays are mandatory in-office days for team meetings and events, while the other two office days offer flexibility to accommodate your schedule. #LI-Hybrid Compensation Transparency: The base salary for this role ranges from $192,000 to $252,000 per year. Additionally, you will have access to employee benefits, participation in Oscar's unlimited vacation program, potential company equity grants, and annual performance bonuses.

Nov 19, 2025
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Hadrian Automation logoHadrian Automation logo
Fullstack Software Engineer

Hadrian Automation

Full-time|$120K/yr - $250K/yr|On-site|Los Angeles

Join Hadrian — Pioneering the Future of ManufacturingAt Hadrian, we are revolutionizing aerospace and defense manufacturing with our autonomous factories, enabling companies to produce rockets, satellites, jets, and ships up to 10 times faster and at half the cost. By integrating cutting-edge software, robotics, and comprehensive manufacturing processes, we are redefining the landscape of American production.Recently, we secured a $260 million Series C funding to further our mission. Our new state-of-the-art factory in Mesa, Arizona, spans 270,000 square feet and will create 350 jobs immediately. With an expanding headquarters and the launch of Hadrian Maritime for naval production, along with our innovative Factory-as-a-Service model delivering complete systems, we are poised for significant growth.Collaborating with startups, Tier 1 and Tier 2 suppliers, and major defense contractors, we aim to scale production, minimize costs, and expedite delivery for mission-critical programs. Backed by top-tier investors including Lux Capital, Founders Fund, and Andreessen Horowitz, our rapidly growing team shares a commitment to reindustrializing American manufacturing for the 21st century and beyond.Your RoleAs a Fullstack Software Engineer, you will have the opportunity to work across multiple internal products and teams:Flow — Our FactoryOS, a core platform featuring applications that model, manage, and automate a highly intricate network of factories.Copilot — A suite of manufacturing automation tools that enhance critical factory processes such as quoting, CAM programming, and CMM programming.Factory Automation — Focused on developing robotic cells and the software that powers them.We offer a diverse array of applications for those eager to innovate in manufacturing software.Note: Experience in aerospace, defense, or manufacturing is not a prerequisite for success in this role.Your ResponsibilitiesDesign, architect, implement, and deploy vital applications that drive revenue and create a meaningful impact.Lead a product vertical with the potential to build and mentor a team as the role evolves.Engage in cross-functional collaboration to refine and enhance our software products.

Jul 21, 2025

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