Software Engineer I/II, Flight Software Heart AerospaceSoftware Engineer I/II, Flight SoftwareLos Angeles, CaliforniaYou will interface with other engineers to develop and understand requirements, architect and writing high quality code, build tests and test infrastructure, documentation, and provide support through the software lifecycle. At Heart Aerospace we are developing the ES-30, a regional hybrid-electric airplane with a capacity of 30 passengers, an electric zero-emission range of 200 km and an extended hybrid range of 400 km.
Flight Operations Engineer IcarusFlight Operations EngineerEl Segundo, CaliforniaIcarus deliberately optimizes for a high signal (engineers) to noise (management) ratio, where engineering, flight, and execution matter more than process, politics, or management overhead. Bachelor's degree in aerospace, mechanical, electrical, or software engineering, or equivalent hands-on experience in aviation or aviation-adjacent military occupational fields.
Senior/Staff Software Engineer, Flight Software Heart AerospaceSenior/Staff Software Engineer, Flight SoftwareLos Angeles, CaliforniaWork with interdisciplinary teams to scope, design and build next generation hybrid electric aircraft capabilities, including engine controllers, battery management systems, flight control actuators, flight control systems and aircraft data networks. You will interface with other engineers to develop and understand requirements, architect and writing high quality code, build tests and test infrastructure, documentation, and provide support through the software lifecycle.
Senior Product Engineer - Palantir CHAOS IndustriesSenior Product Engineer - PalantirHawthorne, CaliforniaA key aspect of this role will be leveraging Palantir Foundry as CHAOS's internal data operating platform - building, maintaining, and optimizing end-to-end workflows and pipelines that manage sensor, operational, and enterprise data across the company. With a managing team that includes Epirus’ founding members (responsible for building a $1.5B company from scratch) + key drivers from Palantir (instrumental in Palantir’s growth to $1B in revenue), we are well-positioned to become one of the fastest growing companies to date!
NewSenior Electrical Engineer (PCB Layout) Castelion CorporationSenior Electrical Engineer (PCB Layout)Torrance, CaliforniaThis role requires strong technical judgment, the ability to drive layout decisions across analog, digital, RF, and power domains, and comfort leading fabrication and assembly partners through DFM and production readiness. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
Software Engineer Deep SkySoftware EngineerLos Angeles, CaliforniaDesign, develop, and maintain responsive web-based User Interfaces (UIs) and dashboards using React and TypeScript to visualize real-time sensor data, manage workflows, and facilitate data-driven control decisions. You will use React/TypeScript and strong product intuition to design and deliver high-quality web applications for internal operations, compliance reporting, and critical external-facing dashboards used by carbon credit customers and the public.
NewAutomation and Controls Engineer Castelion CorporationAutomation and Controls EngineerTorrance, CaliforniaTo conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Success requires a practical application of engineering principles to design, build, test, and commission process hardware, integrate new technologies into our production line, and integrate process equipment and technologies within our production line.
NewMechanical Engineer Castelion CorporationMechanical EngineerTorrance, CaliforniaCastelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
NewSenior Materials & Process Engineer, Non-Metals Castelion CorporationSenior Materials & Process Engineer, Non-MetalsTorrance, CaliforniaExperience with material characterization techniques including mechanical testing, FTIR/Raman, SEM/EDS, OM, DSC, TGA, DMA, CTE, Humidity/Salt fog exposure, UV exposure, and thermal aging/cycling testing. Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale.
NewSenior System Safety Engineer Castelion CorporationSenior System Safety EngineerTorrance, CaliforniaCastelion's approach to system safety is grounded in responsible engineering: hazards are systematically identified, risks are clearly documented, mitigations are technically justified, and risk acceptance decisions are explicit, traceable, and made at the appropriate level of authority. Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale.
NewPrincipal Build Reliability Engineer Castelion CorporationPrincipal Build Reliability EngineerTorrance, CaliforniaHands-on development of design for manufacturability through ensuring identification of key characteristics, prototype testing for manufacturability, First Article and Detailed Inspection planning, evaluation of previous non-conformances and lessons learned, and other manufacturing and quality tools as required. Participating in Preliminary Design Review (PDR) / Critical Design Review (CDR) to ensure design for quality (DFQ), design for manufacturability (DFM), risk quantification and mitigation, and that appropriate test validation methods and inspection techniques, including nondestructive evaluation methods, have been considered.
NewSenior PCB Design Engineer Castelion CorporationSenior PCB Design EngineerTorrance, CaliforniaThis role is ideal for someone who has designed and delivered complex smart PCBs - with embedded microcontrollers, high-speed interfaces, and networking components - ideally in constrained or mission-critical environments. Architect and design mixed-signal boards that include microcontrollers, high-speed digital interfaces (e.g., Ethernet, SPI, I2C, UART, DDR, etc.), network switches, and power management circuits.
RF/Microwave Hardware Engineer – High-Power RF Systems Confidential Recruiting PartnersRF/Microwave Hardware Engineer – High-Power RF SystemsCypress, CaliforniaRF test & measurement — Develop test plans, configure measurement systems (VNA, spectrum analyzer, signal generator, power meter), and characterize prototypes for gain, efficiency, noise figure, linearity, stability, and thermal behavior. Our client is seeking an RF Spatial Engineer is responsible for designing, simulating, validating, and supporting high‑power RF and microwave subsystems used in mission‑critical aerospace, defense, and satellite communication applications.
NewSenior Manufacturing Engineer Castelion CorporationSenior Manufacturing EngineerTorrance, CaliforniaIf the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
NewAvionics Hardware Engineer (All Levels) Castelion CorporationAvionics Hardware Engineer (All Levels)Torrance, CaliforniaTo conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. We design, build, and test next-generation long-range strike weapon systems to give the United States and its Allies a decisive advantage and deter future conflicts.
NewManufacturing Engineer, Equipment Castelion CorporationManufacturing Engineer, EquipmentTorrance, CaliforniaThe ideal candidate has experience designing, fabricating, assembling, testing, and troubleshooting mechanical systems through internships, manufacturing experience, Formula SAE, Baja SAE, rocketry, robotics, motorsports, machine shop projects, or other highly hands-on engineering programs. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements.
Senior Autonomous Flight Termination System Hardware Engineer Castelion CorporationSenior Autonomous Flight Termination System Hardware EngineerTorrance, CaliforniaYou will work hands-on with multidisciplinary engineering teams to design, build, test, and validate pulsed power electronics and firing systems, with a focus on electronic safe and arm devices (ESADs) and related architectures in a fast-paced, hardware-driven environment. We are seeking a Senior Autonomous Flight Termination System (AFTS) Hardware Engineer to design and deliver high-reliability flight safety electronics for Castelion's long-range hypersonic strike vehicles.
Integration & Test Engineer Butler America Aerospace LLCIntegration & Test EngineerAnaheim, CA$25–$30 / hourFollow company's inspection guidelines to conduct critical non-routine visual, dimensional, mechanical, electrical test and functional inspections on a wide variety of components, assemblies, equipment, systems, supplies and materials. The test engineer will work with manufacturing to do final acceptance testing and various engineering testing prior to shipment.
Mechanical Engineer Site Infrastructure Freeform Future CorpMechanical Engineer Site InfrastructureLos Angeles, CA$90,000–$150,000 / yearYou will deep dive into the complex mechanical systems that power Skyfall, our proprietary printing platform, ranging from industrial fluid and cooling systems, high-pressure gases, and factory performance monitoring systems leveraging sensors and data acquisition. MECHANICAL ENGINEER (SITE INFRASTRUCTURE) Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation.
Baremetal Infrastructure Engineer Nominal IncBaremetal Infrastructure EngineerCAWe serve top-tier commercial and defense customers, from autonomy leaders like Anduril and Shield AI to next-generation aerospace teams like Hermeus and REGENT, and performance engineering teams like Pratt Miller Motorsports, alongside mission partners within the U.S. Navy and U.S. Air Force on programs where failure isn't an option. Youll be on the front lines deploying Nominals software to our most demanding customers, including USG customers operating in restricted environments, owning runbooks, building deployment collateral, and working shoulder-to-shoulder with customer hardware engineers and the IT teams they need to satisfy.
Senior Mechanical Engineer Site Infrastructure Freeform Future CorpSenior Mechanical Engineer Site InfrastructureLos Angeles, CA$100,000–$200,000 / yearYou will deep dive into the complex mechanical systems that power Skyfall, our proprietary printing platform, ranging from industrial fluid and cooling systems, high-pressure gases, and factory performance monitoring systems leveraging sensors and data acquisition. As a growing company, the salary range is intentionally wide as we determine the most appropriate package for each individual taking into consideration years of experience, educational background, and unique skills and abilities as demonstrated throughout the interview process.
Field Service Engineer - California (LA to Bay Area) Illinois Tool Works IncField Service Engineer - California (LA to Bay Area)Los Angeles, CA$38–$45 / hourThis is a field-based, customer-facing technical role focused on installing, maintaining, calibrating, and troubleshooting complex servo-hydraulic and electro-mechanical test systems at customer sites. You may be a good fit if you have: Hands-on technical experience gained through internships, co-ops, labs, maintenance roles, automation, robotics, manufacturing, or military service (typically 24 years combined).
DFM Project Engineer Xometry IncDFM Project EngineerLos Angeles, CA$65,000–$85,000 / yearAdditionally, you will take on special projects related to expanding the capabilities of our manufacturing partner network, working with OEM equipment makers, and our internal team of experts to improve our core competencies. Xometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity.
Quality Engineer Advanced Cooling Technologies IncQuality EngineerAnaheim, CA$75,000–$95,000 / yearAdvanced Cooling Technologies, Inc. (ACT), located in Anaheim, CA and headquartered in Lancaster, PA, is a leading manufacturer of innovative thermal management products serving a broad range of industries, including commercial satellites, military vehicles, medical devices, primary calibration equipment, and HVAC systems. Guided by our core values of Innovation, Teamwork, and Customer Care, we are dedicated to developing world-class products and quality systems that support both commercial and government customers.
Additive Manufacturing Development Engineer Freeform Future CorpAdditive Manufacturing Development EngineerLos Angeles, CA$90,000–$140,000 / yearNice to Have: • Experience with metal 3D printing • Master's degree in mechanical engineering or aerospace engineering • Strong academic track record • Passion for additive manufacturing • Scrappy, first-principles approach to solving hard problems • Team-oriented mindset and positive attitude • Detail oriented with excellent verbal, graphical, and technical communication skills. DMLS (Direct Metal Laser Sintering) or LPBF (Laser Powder Bed Fusion) experience Process development experience for metal additive manufacturing Scripting experience in Matlab (or similar) for toolpath generation Experience working with internal and/or external customers Mechanical systems design experience.
Senior Facilities Engineer Butler America Aerospace LLCSenior Facilities EngineerBuena Park, CA$95,000–$110,000 / yearThis position would be responsible for supporting productivity and capital expenditure projects, product transfer projects with layout, linkage and flow of equipment and infrastructure, overseeing facility infrastructure improvement projects, ensures compliance and would work in partnership with the Maintenance and EH&S teams to provide operational support for facilities projects and services. Oversee and manage projects to upgrade and support the facility infrastructure including but not limited to: HVAC, ventilation and extractions systems, electrical systems, wastewater treatment and industrial water systems.
Field Service Engineer - California Struers GmbhField Service Engineer - CaliforniaCAEssential physical requirements include the ability to lift, carry, push, and pull equipment and tools weighing up to 80 pounds; stand, walk, bend, kneel, and reach for extended periods while performing service activities; and use hand and power tools requiring manual dexterity. The Field Service Engineer provides onsite customer service, maintenance, calibration, warranty, and break-fix repairs for precision materialographic sample preparation and analysis equipment.
Software Engineer, Missions Software Planet Labs PBCSoftware Engineer, Missions SoftwareCARemote$107,400–$134,300 / yearEAR/ITAR Requirements: This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate's ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls. Work closely with various teams across Planet, ranging from Satellite and Ground Operations, to Pipeline and Product teams to ensure the satellite constellation meets all of the needs to achieve Planet's missions.
Sr. Test Engineer Butler America Aerospace LLCSr. Test EngineerBuena Park, CA$110,000–$125,000 / yearThe Senior Test Engineer is responsible for the development and execution of Acceptance Test Procedures (ATP), Manufacturing Test Procedures (MTP), Qualification Test Procedures (QTP), designing and building test equipment and writing Equipment Operating Instructions (EOI). This position is accountable for ensuring that the testing of products meets all customer specifications and that the test equipment is available in a timely manner.
NewSr. Full Stack Engineer, Manufacturing Systems Space Exploration Technologies CorpSr. Full Stack Engineer, Manufacturing SystemsHawthorne, CA$165,000–$230,000 / yearThe application software team is the central nervous system of SpaceX - we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and flight as well as systems that allow Starlink to grow into a worldwide fast, reliable Internet service. Other applications range from platforms that support concurrent streams of data from many always-on assets to manage the world's largest satellite constellation to public facing systems where customers can join our Starlink network globally.
NewProject Engineer Total WesternProject EngineerParamount, CA$85,000–$115,000 / yearWith offices throughout California, the Pacific Northwest, and Arizona, Total-Western provides high-quality, cost-effective solutions across the Western U.S. We pride ourselves on fostering a culture of safety and innovation, enabling our clients to meet complex operational challenges while driving sustainable success. Reporting StructureThe Project Engineer reports to the Project Manager and works closely with other engineers, construction teams, and project stakeholders to ensure the successful delivery of projects.
Principal Research Engineer STIPrincipal Research EngineerHawthorne, California$157,500–$189,000 / yearThe Principal Research Engineer also manages multiple contracts that involve tracking budgets, ensuring successful deliverables, and managing junior engineers. As a 100% employee-owned company, STI understands that employees' individual and collective hard work and dedication will lead directly to the success of the company in the long term.
Senior Manufacturing Mechanical Engineer OnticSenior Manufacturing Mechanical EngineerChatsworth, California$90,000–$130,000 / yearThis role focuses on sustaining engineering activities, including troubleshooting issues, implementing design updates, and ensuring continued product performance and reliability. Our team is looking for a Senior Manufacturing Mechanical Engineer at our Chatsworth, CA Office to support legacy and fielded products with established, qualified designs.
Quality Lead Engineer OnticQuality Lead EngineerChatsworth, CAThis role provides technical leadership, prioritization, and oversight of quality engineering functions including MRB, RMA, FAIRs, process validation, corrective actions, and quality system adherence. The Lead Quality Engineer is responsible for leading quality engineering activities that ensure product conformity, regulatory compliance, and continuous improvement across aerospace programs.
Manufacturing Engineer (All Levels) Divergent 3DManufacturing Engineer (All Levels)Torrance, CA$96,350–$132,480 / yearProducts created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production. New Product Introduction and Rapid Iteration: Lead new concepts and product designs through the factory, ensuring efficient troubleshooting and rapid iteration to meet aggressive timelines.
Lead Quality Engineer OnticLead Quality EngineerChatsworth, CaliforniaThis role provides technical leadership, prioritization, and oversight of quality engineering functions including MRB, RMA, FAIRs, process validation, corrective actions, and quality system adherence. The Lead Quality Engineer is responsible for leading quality engineering activities that ensure product conformity, regulatory compliance, and continuous improvement across aerospace programs.
Staff Full Stack Software Engineer Divergent 3DStaff Full Stack Software EngineerTorrance, CA$122,430–$168,340 / yearProducts created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production. Divergent is seeking a Staff Full-Stack Software Engineer to lead the architecture, design, and development of mission-critical software systems that power our next-generation manufacturing platform.
New__MRB Design Engineer -May24 1377 Keltia Design Inc__MRB Design Engineer -May24 1377Los Angeles, CAThe key responsibilities of an Aircraft MRB Design Engineer may include: Reviewing and analyzing engineering data, including drawings, specifications, and test reports, to determine the root cause of issues related to aircraft design and manufacturing processes. To be considered for an Aircraft MRB Design Engineer role, candidates typically require a bachelor's degree in aerospace engineering or a related field, as well as several years of experience in aircraft design and manufacturing processes.
Full Stack Software Engineer II Divergent 3DFull Stack Software Engineer IITorrance, CA$122,430–$168,340 / yearProducts created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production. In this role, you will independently design, develop, and deliver production-ready software solutions that support business-critical applications across engineering, manufacturing, and operations.
Robotic Simulation Engineer Divergent Technologies, Inc.Robotic Simulation EngineerTorrance, CA$122,430–$168,340 / yearThe ideal candidate will use their expertise in automated systems, industrial robotics, and off-line programming to maintain & generate robotic programs for production parts and ongoing internal projects, while working with cross-functional teams to capture and implement process improvement. Products created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production.
Staff Full Stack Software Engineer Divergent Technologies, Inc.Staff Full Stack Software EngineerTorrance, CA$122,430–$168,340 / yearProducts created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production. Divergent is seeking a Staff Full-Stack Software Engineer to lead the architecture, design, and development of mission-critical software systems that power our next-generation manufacturing platform.
Manufacturing Engineer all levels Divergent Technologies, Inc.Manufacturing Engineer all levelsTorrance, CA$96,350–$132,480 / yearProducts created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production. New Product Introduction and Rapid Iteration: Lead new concepts and product designs through the factory, ensuring efficient troubleshooting and rapid iteration to meet aggressive timelines.
Full Stack Software Engineer Divergent Technologies, Inc.Full Stack Software EngineerTorrance, CA$122,430–$168,340 / yearProducts created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production. Full‑stack Development: Design, develop, and maintain scalable applications using modern web technologies, with a primary focus on TypeScript (Node.js and front‑end frameworks such as React or similar).
Automation Engineer Divergent Technologies, Inc.Automation EngineerTorrance, CA$122,430–$168,340 / yearThe ideal candidate will use their expertise in automated systems, industrial robotics, and off-line programming to maintain & generate robotic programs for production parts and ongoing internal projects, while working with cross-functional teams to capture and implement process improvement. Products created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production.
Forward Deployed Engineer Sift (US)Forward Deployed EngineerMarina Del Rey, CA$105,000–$150,000 / yearSift was born from our work at SpaceX on Dragon, Falcon, Starlink, and Starship-where scaling telemetry, debugging flight systems, and ensuring mission reliability demanded new infrastructure. Were looking for an engineer who thrives in dynamic, customer-facing environments and is passionate about industries like aerospace, autonomous systems, and renewable energy.
Application Software Engineer Sift (US)Application Software EngineerMarina Del Rey, CA$105,000–$150,000 / yearSift was born from our work at SpaceX on Dragon, Falcon, Starlink, and Starship-where scaling telemetry, debugging flight systems, and ensuring mission reliability demanded new infrastructure. Were looking for an engineer who thrives in dynamic, customer-facing environments and is passionate about industries like aerospace, autonomous systems, and renewable energy.
Senior Electronics Engineer Safran SASenior Electronics EngineerCarson, CA$94,230–$148,070 / yearElectronics Engineer will be responsible for the research, analysis, design, development, testing, debugging and modification of electronics equipment such as VFMDs (Variable Frequency Motor Drives) for vacuum generators and air compressors (ACIM/BLDC), AC/DC Power Converters (3-), 28V DC Valve Controllers, and W&W System Controllers for commercial aerospace industry. Safran Cabin designs, certifies, manufactures and supports innovative aircraft cabin interiors, equipment and systems, providing airlines and OEM Customers with distinctive aircraft branding, and their passengers with a safe, comfortable and enjoyable flying experience.
Senior Full Stack Software Engineer Divergent Technologies, Inc.Senior Full Stack Software EngineerTorrance, CA$141,380–$194,390 / yearAs a Senior Engineer, you will own large-scale initiatives from concept through deployment, influence technical strategy, mentor other engineers, and collaborate across disciplines to deliver highly reliable and scalable software platforms. This role is ideal for an engineer who thrives on solving complex technical challenges, driving architectural decisions, and delivering business-critical applications across engineering, manufacturing, and factory operations.
Senior DSP Engineer, ALG, Amazon Leo Government Amazon.com IncSenior DSP Engineer, ALG, Amazon Leo GovernmentNorthridge, CAThe Senior DSP Engineer will play a pivotal role in the team delivering innovative and fast-paced analysis and design solutions, focusing on satellite and ground system design and analysis as well as on the design of the various phased array communication system needs (link budget, beamforming, calibration, compensation, etc.) of the electronics sub-systems. The mission of Amazon Leo Government (ALG) team is to leverage existing Kuiper technology and provide high speed, low latency, and secure satellite broadband services to the United States and our allied government customers.
Mechanical Engineer - Structural Analysis & Hardware Development Approach VentureMechanical Engineer - Structural Analysis & Hardware DevelopmentLos Angeles, California$100,000–$140,000 / yearThis is an excellent opportunity for an early-career engineer looking to take on meaningful ownership while working alongside experienced engineers developing complex physical systems. This role offers broad exposure across mechanical design, structural analysis, hardware integration, manufacturing, and testing within a fast-moving startup environment.