Backend Developer jobs in Sunnyvale hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $233,234/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
fiserv.com • HQ: Milwaukee, United States • Cards & Card Issuing • Payment Processing & Gateways • Financial Software & Embedded Finance • 5000+ employees • Est. 1984 • NASDAQ: FISV • Trust A • Hiring 319, 70 new
HQ: Milwaukee, United States • Cards & Card Issuing • Payment Processing & Gateways • Financial Software & Embedded Finance • 5000+ employees • Est. 1984 • NASDAQ: FISV • Trust A • Hiring 319, 70 new
Fiserv is an American payments and financial technology company founded in 1984 that supplies core banking systems, card processing and merchant acquiring to banks, credit unions and retailers. Its 2019 acquisition of First Data added one of the largest merchant acquiring businesses in the world along with the Clover point-of-sale platform, turning the company into a full-stack provider spanning the issuing and acquiring sides of a card transaction. Headquartered in Milwaukee and listed on the New York Stock Exchange, it processes payments for millions of merchant locations and thousands of financial institutions.
grail.com • HQ: Menlo Park, United States • Molecular Diagnostics • Precision Medicine • Diagnostic Tests & IVD • 1001-5000 employees • Est. 2016 • NASDAQ: GRAL • Hiring 11
HQ: Menlo Park, United States • Molecular Diagnostics • Precision Medicine • Diagnostic Tests & IVD • 1001-5000 employees • Est. 2016 • NASDAQ: GRAL • Hiring 11
GRAIL is a healthcare and biotechnology company headquartered in Menlo Park, California, and founded in 2016. The company develops and commercializes the Galleri multi-cancer early detection test, which uses next-generation sequencing and machine learning to identify signals from over 50 types of cancer through a single blood draw. It operates as an independent publicly traded entity following its spin-off from Illumina, focusing on clinical research and partnerships with healthcare systems and biopharmaceutical companies primarily in the United States and United Kingdom.
coram.ai • HQ: Sunnyvale, United States • Computer Vision • Video Surveillance • 51-200 employees • Est. 2021 • Startup • Trust B • Hiring 42
HQ: Sunnyvale, United States • Computer Vision • Video Surveillance • 51-200 employees • Est. 2021 • Startup • Trust B • Hiring 42
Coram AI is an artificial intelligence company that develops advanced AI-powered video security and surveillance software. Founded by engineers from Stanford and MIT, it integrates with existing IP cameras to provide real-time threat detection, automated alerts, and fast natural-language search across security footage. The platform serves commercial businesses, educational institutions, and enterprise facilities by transforming traditional physical security setups into proactive, intelligent monitoring systems.
scoutco.ai • HQ: Sunnyvale, United States • Defense AI • Foundation Models • 51-200 employees • Startup • Trust A • Hiring 26, 3 new
HQ: Sunnyvale, United States • Defense AI • Foundation Models • 51-200 employees • Startup • Trust A • Hiring 26, 3 new
Scout AI is a defense technology company developing Fury, a robotic foundation model for defense. Its vision-language-action models take camera data and text prompts to let human operators command fleets of robots in natural language. The company is headquartered in Sunnyvale, California, United States.
illumio.com • HQ: Sunnyvale, United States • Cloud Security • Network Security • Information Security • 201-500 employees • Est. 2013 • Startup • Trust B • Hiring 62, 5 new
HQ: Sunnyvale, United States • Cloud Security • Network Security • Information Security • 201-500 employees • Est. 2013 • Startup • Trust B • Hiring 62, 5 new
Illumio is a pioneer in cybersecurity that specializes in Zero Trust Segmentation and breach containment across hybrid, cloud, and enterprise environments. Its platform provides real-time visibility into application traffic, helping organizations isolate critical workloads and prevent lateral movement of threats like ransomware. By adopting a default untrusted model, Illumio enables major enterprises to maintain operational resilience and stop cyber incidents from turning into widespread disasters.
cerebras.ai • HQ: Sunnyvale, United States • Servers & Data Center Hardware • AI Compute & Inference • AI Chips & Accelerators • Processors, MCUs & AI Chips • 1001-5000 employees • Est. 2016 • NASDAQ: CBRS • Trust A • Hiring 119, 3 new
HQ: Sunnyvale, United States • Servers & Data Center Hardware • AI Compute & Inference • AI Chips & Accelerators • Processors, MCUs & AI Chips • 1001-5000 employees • Est. 2016 • NASDAQ: CBRS • Trust A • Hiring 119, 3 new
Cerebras Systems is an American computer hardware company founded in 2016 and headquartered in Sunnyvale, California that builds accelerators for artificial intelligence at wafer scale. Instead of assembling clusters from many small chips, it manufactures a single processor the size of an entire silicon wafer, the Wafer Scale Engine, which removes most of the communication overhead in large model training and inference. The company sells CS-series systems to research laboratories and enterprises, operates its own inference cloud known for very high token throughput, and has built large supercomputers with partners including the Gulf technology group G42.
synopsys.com • HQ: Sunnyvale, United States • Simulation & Digital Twin Software • Semiconductor IP & Chip Design Services • EDA Software • 5000+ employees • Est. 1986 • NASDAQ: SNPS • Trust A • Hiring 464, 52 new
HQ: Sunnyvale, United States • Simulation & Digital Twin Software • Semiconductor IP & Chip Design Services • EDA Software • 5000+ employees • Est. 1986 • NASDAQ: SNPS • Trust A • Hiring 464, 52 new
Synopsys is an American software company founded in 1986 that supplies electronic design automation tools used to design and verify integrated circuits, together with a large portfolio of licensable semiconductor IP such as interface, memory and processor blocks. Its 2025 acquisition of Ansys added engineering simulation software for structures, fluids and electromagnetics, while it sold its application security business, now Black Duck, in 2024. Listed on Nasdaq, it hires applications engineers, SoC solutions engineers and R&D staff in the United States, India and Vietnam. The company is headquartered in Sunnyvale, California, United States.
meta.com • HQ: Menlo Park, United States • Digital Media • Foundation Models • Advertising • Virtual & Augmented Reality • Consumer Internet Groups • Messaging Apps • Social Networks • 5000+ employees • Est. 2004 • Trust B • Hiring 1065, 114 new
HQ: Menlo Park, United States • Digital Media • Foundation Models • Advertising • Virtual & Augmented Reality • Consumer Internet Groups • Messaging Apps • Social Networks • 5000+ employees • Est. 2004 • Trust B • Hiring 1065, 114 new
Meta Platforms is an American technology company founded in 2004 as Facebook and renamed in 2021 to signal its investment in immersive computing. It operates the largest family of social and messaging applications in the world, comprising Facebook, Instagram, WhatsApp, Messenger and Threads, and earns almost all of its revenue from advertising sold against that audience. Headquartered in Menlo Park, California, the company also develops the open Llama language models and the Reality Labs division behind Quest headsets and Ray-Ban smart glasses.
costar.com • HQ: Arlington, United States • Online Classifieds • Commercial Real Estate • Data Providers & Datasets • PropTech • 1001-5000 employees • Est. 1987 • Trust B • Hiring 338, 8 new
HQ: Arlington, United States • Online Classifieds • Commercial Real Estate • Data Providers & Datasets • PropTech • 1001-5000 employees • Est. 1987 • Trust B • Hiring 338, 8 new
CoStar Group is a real estate information, analytics and online marketplace company headquartered in Arlington, Virginia, behind the CoStar database and brands such as LoopNet, Apartments.com, Homes.com, Land.com, Ten-X, BizBuySell, STR, Matterport and OnTheMarket. Founded in 1987 by Andrew Florance, it is listed on NASDAQ and in the S&P 500, with major offices in Richmond, Irvine, London, Paris and Sydney serving brokers, owners, lenders, landlords and home buyers. It hires software, AI and security engineers, field researchers, account executives and sales associates, product marketers, recruiters and finance and lease administration staff.
abbott.com • HQ: North Chicago, United States • Prescription Drugs • Neurotech & Neuromodulation • Cardiovascular Devices • Diabetes Devices • Diagnostic Tests & IVD • 5000+ employees • Est. 1888 • Trust A • Hiring 2431, 192 new
HQ: North Chicago, United States • Prescription Drugs • Neurotech & Neuromodulation • Cardiovascular Devices • Diabetes Devices • Diagnostic Tests & IVD • 5000+ employees • Est. 1888 • Trust A • Hiring 2431, 192 new
Abbott is an American healthcare company founded in 1888 by a Chicago physician who began making precise doses of alkaloid medicines for his own patients. It now operates four large businesses: diagnostics, including the point-of-care and molecular testing that scaled during the pandemic, medical devices spanning cardiac rhythm, structural heart, neuromodulation and continuous glucose monitoring, nutrition brands such as Similac and Ensure, and established pharmaceuticals sold mainly in emerging markets. The company is headquartered in North Chicago, Illinois, and separated its research-based drug business as AbbVie in 2013.
digicert.com • HQ: Lehi, United States • Identity Management • Digital Signature • 501-1000 employees • Est. 2003 • Trust B • Hiring 44, 3 new
HQ: Lehi, United States • Identity Management • Digital Signature • 501-1000 employees • Est. 2003 • Trust B • Hiring 44, 3 new
DigiCert is a global cybersecurity provider specializing in digital trust infrastructure, high-assurance TLS/SSL certificates, and Public Key Infrastructure (PKI) management solutions. Headquartered in Lehi, Utah, the company enables enterprises, government bodies, and IoT device manufacturers to secure digital identities, automate certificate lifecycles, and encrypt web communications. Through its DigiCert ONE platform, the enterprise provides scalable trust management, secure code signing, and identity security services for organizations worldwide.
trimble.com • HQ: Westminster, United States • Supply Chain & Logistics Software • Construction Management Software • CAD, PLM & BIM Software • Satellite Navigation • Geospatial Analytics • 1001-5000 employees • Est. 1978 • NASDAQ: TRMB • Trust B • Hiring 187, 18 new
HQ: Westminster, United States • Supply Chain & Logistics Software • Construction Management Software • CAD, PLM & BIM Software • Satellite Navigation • Geospatial Analytics • 1001-5000 employees • Est. 1978 • NASDAQ: TRMB • Trust B • Hiring 187, 18 new
Trimble is an industrial technology company headquartered in Westminster, Colorado, that makes positioning hardware and software for construction, geospatial surveying, agriculture, government and transportation and logistics, connecting field data with design and enterprise systems. Founded by Charlie Trimble in 1978 and listed on Nasdaq, it has more than 150 locations in over 30 countries and owns businesses such as the freight platform Transporeon. It hires software engineers including AI and DevOps specialists, solutions architects, sales and lead development representatives, customer care and technical support staff, and production technicians and assemblers.
microsoft.com • HQ: Redmond, United States • Gaming Consoles • Console Games • Developer Tools • Cloud Platforms (IaaS & PaaS) • Office & Productivity Software • Operating Systems • 5000+ employees • Est. 1975 • Trust B • Hiring 1829, 136 new
HQ: Redmond, United States • Gaming Consoles • Console Games • Developer Tools • Cloud Platforms (IaaS & PaaS) • Office & Productivity Software • Operating Systems • 5000+ employees • Est. 1975 • Trust B • Hiring 1829, 136 new
Microsoft is an American multinational technology corporation founded in 1975 by Bill Gates and Paul Allen and headquartered in Redmond, Washington. It built the personal computing era around the Windows operating system and the Office productivity suite, and now generates the largest share of its revenue from Azure cloud infrastructure and commercial subscriptions. The company also owns GitHub, LinkedIn and the Xbox gaming business, and has invested heavily in artificial intelligence through its partnership with OpenAI and the Copilot assistants embedded across its products.
teradyne.com • HQ: North Reading, United States • Collaborative Robots (Cobots) • Semiconductor Equipment • Test & Measurement Instruments • 1001-5000 employees • Est. 1960 • NASDAQ: TER • Hiring 453, 40 new
HQ: North Reading, United States • Collaborative Robots (Cobots) • Semiconductor Equipment • Test & Measurement Instruments • 1001-5000 employees • Est. 1960 • NASDAQ: TER • Hiring 453, 40 new
Teradyne is a manufacturer of automated test equipment for semiconductors and electronics. Its testers validate chips before they ship into consumer and automotive products, the company also owns collaborative robotics businesses, and it hires engineers, planners, sales managers and field specialists in the United States and Asia. The company is headquartered in North Reading, Massachusetts, United States.
lyte.ai • HQ: Sunnyvale, United States • Artificial Intelligence • Machine Vision & 3D Cameras • 501-1000 employees • Est. 2017 • Startup • Trust A • Hiring 45, 1 new
HQ: Sunnyvale, United States • Artificial Intelligence • Machine Vision & 3D Cameras • 501-1000 employees • Est. 2017 • Startup • Trust A • Hiring 45, 1 new
Lyte is a technology company headquartered in Sunnyvale, California, that builds perception systems for physical AI, combining custom silicon, integrated sensors and software into one platform for robotics, mobility and automation. The company emerged from stealth with teams in Sunnyvale and Bucharest, Romania, plus a presence in Singapore and Sydney, and develops its own chips, optics and embedded software stack. It hires silicon validation and bring-up engineers, optical and hardware validation engineers, functional safety engineers, RTOS, SDK and platform software engineers, IT and network engineers and software engineering interns.
comcast.com • HQ: Philadelphia, United States • Streaming & OTT Platforms • Broadband • Broadcasting • 5000+ employees • Est. 1963 • NYSE: CCZ • Trust A • Hiring 542, 63 new
HQ: Philadelphia, United States • Streaming & OTT Platforms • Broadband • Broadcasting • 5000+ employees • Est. 1963 • NYSE: CCZ • Trust A • Hiring 542, 63 new
Comcast is an American media and telecommunications group founded in 1963 that grew from a single cable system in Mississippi into the largest broadband provider in the United States. Its connectivity business supplies internet, video, mobile and business services under the Xfinity brand, and it owns NBCUniversal, which combines broadcast and cable networks, the Universal film and television studios, the Peacock streaming service and theme parks, alongside the British operator Sky. Headquartered in Philadelphia and listed on Nasdaq, it separated most of its cable networks into a standalone company in 2025.
dolby.com • HQ: San Francisco, United States • Displays & Panel Technology • Headphones & Audio • Cinema • Audio Production • 1001-5000 employees • Est. 1965 • NYSE: DLB • Trust B • Hiring 74
HQ: San Francisco, United States • Displays & Panel Technology • Headphones & Audio • Cinema • Audio Production • 1001-5000 employees • Est. 1965 • NYSE: DLB • Trust B • Hiring 74
Dolby Laboratories develops audio and imaging technologies licensed to cinemas, broadcasters and device makers worldwide. Its noise reduction, surround sound, Atmos and Vision formats are built into televisions, phones, cars and thousands of screens. The company is listed on the New York Stock Exchange and headquartered on Market Street in San Francisco.
apptronik.com • HQ: Austin, United States • Robotics AI • Robotic Components & Sensors • Humanoid Robots • 501-1000 employees • Est. 2016 • Startup • Trust A • Hiring 78, 3 new
HQ: Austin, United States • Robotics AI • Robotic Components & Sensors • Humanoid Robots • 501-1000 employees • Est. 2016 • Startup • Trust A • Hiring 78, 3 new
Apptronik is an American robotics company founded in 2016 out of the Human Centered Robotics Laboratory at the University of Texas, and it develops Apollo, a general-purpose humanoid robot for logistics and manufacturing work. Its engineering heritage is in actuators: the team spent years building the force-controlled actuators that let a robot work safely alongside people, which is a different problem from position-controlled industrial arms behind a cage. Headquartered in Austin and backed by Google and Mercedes-Benz among others, it is piloting Apollo with manufacturers and logistics operators rather than selling it openly.
schlumberger.com • HQ: Houston, United States • Petroleum & Mining Engineering • Oil & Gas • 1001-5000 employees • Est. 1926 • Trust B • Hiring 410, 16 new
HQ: Houston, United States • Petroleum & Mining Engineering • Oil & Gas • 1001-5000 employees • Est. 1926 • Trust B • Hiring 410, 16 new
SLB, formerly Schlumberger, is a global energy technology company providing reservoir characterization, drilling, well completion and production services, digital software and new energy solutions such as carbon capture and geothermal, with principal offices including Houston, Texas. Founded in 1926 by the brothers Conrad and Marcel Schlumberger and listed on the New York Stock Exchange, it operates in more than 100 countries and renamed itself SLB in 2022. It hires field, drilling, wireline and production engineers, equipment and pump operators, mechanical and laboratory technicians, software engineers and data scientists, and many interns in HR, finance, legal and IT.
