Remote Backend Engineer: Build Impactful Cybersecurity
Horizon3.ai
At Horizon3.ai, we’re building a team of bold thinkers, problem solvers, and Learn-it-Alls. We’re looking for individuals who: Love solving tough problems , especially the ones no one else has cracked. Thrive in high-performing teams that celebrate success and lift each other up. Have the grit and tenacity to take on complex, mission-critical challenges. Want to make a real impact by helping organizations stay ahead of attackers. Continuously learn and adapt , embracing new technologies, perspectives, and ideas. Are passionate about disruption , driving innovation in the cybersecurity space. If you’re eager to grow, driven to contribute, and ready to shape the future of cybersecurity, we want to hear from you. The Perks of working with Horizon3.ai Our Culture We’re a team of “learn-it-alls” who love building awesome products. From intern to CEO, we celebrate diversity and bring a wide array of experience from technology startups, Fortune 500s, and the US Military. Remote Work Options With offices in San Francisco, Chicago, and Amsterdam, we have hybrid and remote positions available globally. Build Something Meaningful We’re motivated to create a safer, more secure environment, convert new ideas to exceptional solutions and deliver great customer experiences. Be part of a passionate and talented team which have entrepreneurial spirit, because it makes a huge difference. Think Long Term You’ll have complete ownership and responsibility along with huge potential for growth. We envision the future and build it one step at a time. Competitive pay, great health & dental care for you and your loved ones, and a 4 weeks + generous holidays and vacation packages globally. Positions We’re a remote-first company with teammates clustered around the globe. #J-18808-Ljbffr
$175k - $315k
...As a global leader in cybersecurity, CrowdStrike protects... ...accelerate execution, build expertise, uncover insights... ...for this Senior Engineer II has deep expertise... ...build, and treat customer-impacting incidents with the... ...Communication — As a remote-first company, bring excellent...Remote workHourly payPermanent employmentWork experience placementWork at officeLocal areaShift work$150k - $270k
...As a global leader in cybersecurity, CrowdStrike protects... ...accelerate execution, build expertise, uncover insights... ...for this Senior Engineer has deep expertise in... ...build, and treat customer-impacting incidents with the... ...Communication — As a remote-first company, bring excellent...Remote workHourly payPermanent employmentWork experience placementWork at officeLocal areaShift work$199k - $235k
...3 is a fast-growing, remote cybersecurity company dedicated to... ...cyber operators, startup engineers & operators, and... ...You’ll Do As a Senior Backend Engineer on the Onboarding... ...team, you’ll build the workflows that activate... ...keeping customer impact in view. Clear communication...Remote workFull timeWork at officeFlexible hours$230k - $270k
...3 is a fast-growing, remote cybersecurity company dedicated to... ...cyber operators, startup engineers & operators, and... ...You’ll Do As a Staff Backend Engineer on the Licensing... ..., customer impact, and delivery speed.... ...Experience Deep experience building and operating backend...Remote workFull timeWork at officeFlexible hours- ...Description Job Description Backend Software Engineer — Secure Mission... ...Location: Mainly remote, with onsite work in Laurel... ...in November 2026. Build Secure Software for a High-Impact Defense Mission... ...software, AI/ML, cloud, and cybersecurity teams. Rackner has...Remote workWeekly payContract workWork from homeHome office1 day per week
- ...Location: EU-Based, fully remote |Type: Contract B2B... ...for a Back-End Engineer to design, build, and operate the services... ...across our core backend -Java services,... ...flexibility and trust. High-impact role in a fast-... ...Elisity is a leading cybersecurity firm providing customers...Remote workContract work
- ...Generative AI / Backend Developer Remote (US-Based) Are you passionate about building AI-powered products and... ...shaping the future of cybersecurity? Our client, a... ...contributions will directly impact product direction,... ...with founders and engineering leadership What...Remote workFlexible hours
- ...Takealot Group is seeking a Software Engineer (backend, preferably with search experience) to join our team. You will design, build, and maintain robust e-commerce backends, focusing... ...response. The role offers a fully remote setup with optional office visits, and opportunities...Remote workWork at office
- ...solutions. You will work in an agile environment, focusing on impactful projects while ensuring security and quality in your deliverables... ...projects and enjoy development freedom. The company offers remote work, flexible hours, and comprehensive health benefits. #J-188...Remote workFlexible hours
$90k - $180k
...Bentonville, AR; remote and hybrid options... ...Java for backend services and ReactJS... ...You'll Do:Coding/Building: Engage in coding... ...time management. Engineering Excellence: Focus... ...data scientists, cybersecurity experts and service... ...who make an epic impact and are at the forefront...Remote workFull timeTemporary workPart time$147k - $237.5k
...of innovation and impact, solving real-world... ...order to be the cybersecurity partner of choice,... ...join us!This role is remote, but distance is... ...looking for experienced engineers with a strong... ...like LLMs, ML to build innovative capabilities... ...in one or more backend languages (e.g.,...Remote workFull time- ...intersection of innovation and impact, solving real-world... ...AreIn order to be the cybersecurity partner of choice, we... ...join us!This role is remote, but distance is no... ...their own users. We build products that help suggest... ...seeking experienced engineers who can craft...Remote workFull timeFlexible hours
$199.75k - $235k
...Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission... ...cyber operators, startup engineers, and formerly frustrated... ...What You’ll Do As a Senior Backend Engineer on the External Attack... ...Responsibilities Design, build, and maintain features in...Remote workFull timeWork at officeFlexible hours$36k - $120k
...5 hrs a week) Location: Remote Schedule: Flexible, you... ...We are seeking a skilled Backend Security Engineer to contribute to the development... .... Proven experience building scalable backend services,... ...experience in cybersecurity, application security (AppSec...Remote workContract workFor contractorsImmediate startFlexible hours- ...hybrid and no chance of 100% remote. 3 days on site or as... ...locations: 2 Broadway*** Senior Backend Software Engineer Position Overview The... ...for E-Citations. Build secure REST/SOAP APIs and integrations... ..., iOS, QA, infrastructure, cybersecurity, data, and enterprise...Remote workAfternoon shift
- ...Joining a dynamic team remotely, the experienced Laravel Backend Engineer will be responsible for developing software... ...processes in a rapidly growing cybersecurity awareness platform. Key... ...MySQL and Redis Experience in building RESTful APIs Familiarity with quality...Remote work
$160k - $200k
...and have an eagerness to build value through fast... ...Add functionality to backend systems to support enhancements... ...~ Performance engineering experience, including instrumentation... ...: Location: Remote in the US or open to... ...Want to make an impact at the intersection of...Remote workWork at office- ...About Astra Astra is building mission-critical infrastructure for... ...Role We're looking for a Backend Engineer to build and ship features... ...This Role Matters Direct impact: You'll be a big part of a small... ...growing fintech company. Remote-first culture with flexible...Remote workWork experience placementFlexible hours
$187k - $220k
...powered platform. We're not just building a phone system. We're... ...About the Role As a Senior Backend Engineer at Quo, you will spend a majority... ...the opportunity to tackle impactful challenges and help build... ...policy. Who we are We're a remote-first company with a culture...Remote workFlexible hours$164k - $295k
...As a global leader in cybersecurity, CrowdStrike protects... ...accelerate execution, build expertise, uncover insights... ...hiring a Sr. Software Engineer on the Infrastructure... ...code. We're a small, remote-first team of full... ...understanding of SOC2 compliance impacts on CI environments....Remote workPermanent employmentWork experience placementWork at officeLocal area- ...bad patient experience. We're building a new system from the ground... ...looking for talented Senior Backend Engineers to join our fast-growing... ...Square. This role also welcomes remote candidacy. Check out ‘... ...analytics to solve challenging and impactful problems in a data-driven...Remote workFull timeWork at office
- ...Description Job Description Senior Software Engineer – Cybersecurity & Backend Job Type: Contractor (~15 hrs/week) Location: Remote Schedule: Flexible Required Skills... ..., implement features and bug fixes, and build deterministic verifiers to evaluate...Remote jobFor contractorsFlexible hours
$135k - $200k
...World-Changing CompanyPalantir builds the world’s leading... ...militaries across the world.Backend Software Engineers at Palantir build software... ...understand how technical decisions impact the people who will use... ...few roles that allow for “Remote” work on an exceptional basis...Remote workFull timeWork experience placementWork at officeWork from homeRelocation package$140k - $250k
...Full Stack Software Engineer to design,... ...government organizations build, deploy, integrate... ..., robust backend services, and reliable... ...platform engineers, cybersecurity professionals, and... ...accelerating government impact with innovation... ...the work. Job Locations US-Remote...Remote workContract work$192k - $246k
...distribution. Kalepa is building AI that can perform... ...trust, and real-world impact count, Kalepa is just... ...our NY office, we have remote employees speaking 10+... ...are looking for smart engineers who love to code, seek... ...engineers to build scalable backend solutions as we...Remote workWork at office- ...HungaryEngineering - Engineering Commodities /Full-time... ...cutting-edge innovation for impactful results and experience... ...a high-autonomy "you build it, you run it" model,... ...message queues.Strong backend engineering mastery in... ...IoT telemetry, remote sensor feeds, time-series...Remote workFull time
$137.88k - $162.5k
...delivering high-impact technologies, technology... ..., digital engineering, systems integration... ...Location: Remote As a Full Stack Developer... ...work with other backend and frontend... ...pipelines, automated builds, and deployment... ..., engineering, cybersecurity, or a related field...Remote workPermanent employmentFull timeContract workWork experience placementImmediate start$10 per hour
...powered by our world-first Remote Driving technology on real public... ...model. If you want to build something real, visible, and... ...this role is exciting At Vay, backend engineering goes far beyond building APIs... ...scalability and real-world impact aren’t just engineering principles...Remote workLive inRelocationRelocation package$142k - $265k
...BRINC:At BRINC, we are building the technology that... ...recruiting exceptional engineers to build the next generation... ....About this Role:As a Backend Engineer working on... ..., video distribution, remote control links, and... ...opportunity to make major impacts in a fast-paced...Remote workWork at officeWorldwideFlexible hours- ...top-tier tech and engineering professionals with... ...companies and help them build exceptional teams.... ...-growing US-based cybersecurity startup... ...have a meaningful impact on the growth of the... ...looking for a Senior Backend Engineer who... ...It for You ~100% remote work within the United...Remote workFull timeFor contractors
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