Senior Backend Engineer, AI-First, Scalable Systems (Remote)
Unqork
Unqork is seeking an experienced Backend Engineer to design and implement scalable backend systems. You will work on optimizing the platform for performance, leading backend service implementations, and ensuring data integrity in a cloud environment.
The ideal candidate possesses 5+ years of backend engineering experience, strong API design skills, and familiarity with NoSQL databases like MongoDB. This remote-first position encourages innovative thinkers focused on leveraging AI tools to enhance workflows.
#J-18808-Ljbffr$150k - $180k
...Role We're hiring a Senior Backend Software Engineer to own architecture and system design as we scale our... ...workflow runs through AI tooling we built... ..., sync vs. async, and scalability that AI can't make on... ...around a dozen people — remote-first, and move fast. Our technical...Remote jobSeniorFull timeFlexible hours$140k - $170k
...Senior Backend Software Engineer, Subscriptions Enablement About... ...By building the first and best place to... ...you. We are a remote first, dynamic tech... ..., building systems that support our... ...reliability and scalability of existing systems... ...technologies, including AI, and applies...Remote jobSeniorFull timeTemporary workWork at officeWork from home$145k - $165k
...with a completely remote team. Imagine... ...innovators to build AI-powered solutions... ...Impact: As a Senior Backend Engineer on the Distribution... ...You'll architect scalable solutions using... ...migrating legacy systems to modern microservices... ..., remote-first team Bonus Skills...Remote workSeniorFull timeWork at officeLocal areaWork from homeWorldwideHome officeWeekend work$181.22k - $217.46k
...10/24/2026 Senior Backend Software Engineer (APIs), Security... ...support. Use AI coding agents as... ..., and scalability in your designs... ...large-scale backend systems - most Senior Engineers... ...qualified remote candidates within... ...that start on the first day of your employment...Remote workSeniorFull timeContract workWork at officeLocal areaFlexible hoursNight shift- Makeshift Software Inc. is seeking an experienced Gameplay Engineer to own enemy AI, core gameplay systems, and UI architecture for Hexborn. You will design... ...with production-ready code and UI tooling. This remote-first, 3-6 month grace period then hybrid on-site role offers...Remote jobSenior
- ...Valency Valency Systems is a small, dynamic team of engineers, scientists,... ...thought, and using AI to accelerate... ...for 2 days of remote work. About... ...looking for a Senior Software Engineer... ...foundation is backend systems:... ...reliability, and scalability issues; conduct...Remote workSeniorFull timeImmediate start3 days per week
$140k - $165k
...providers. We are a remote-first, high-ownership... ..., and creating systems that scale. We are looking for engineers who want to help define... ...Ops while using AI as a core part of... ...We are hiring a Senior Back End Engineer... ...teams to improve scalability, reliability, observability...Remote workSeniorFull timeShift work$180k - $280k
...Senior Backend Engineer, Customer Data Activation Remote (North America) The Problem Marketing... ...'s a distributed systems and data performance... ...Generative AI — using generative... ...about architecture, scalability, maintainability,... ...independent (remote-first policy). Meaningful...Remote workSeniorFull time- ...future of work: the first truly converged AI workspace unifying tasks... ...for talented backend engineers to join the Fields squad... .... We’re building scalable, high-throughput, low... ...wrangling distributed systems, fine-tuning... ...looks like. #LI-REMOTE #LI-MAV Equal...Remote workSeniorFull timeVisa sponsorshipWork visa
$150k - $200k
...is looking for a Senior Backend Engineer - Hyperliquid ecosystem... ...critical backend systems powering real-... ...This is a fully remote position open... ...ensuring they remain scalable, reliable, and... ...benefits. Remote-first: Work remotely... ...works: We use an AI-powered matching...Remote workSeniorPermanent employmentFull timeContract workFlexible hours- ...About the role Most backend roles touching “AI” mean a chatbot... ...building the AI engine that proposes... ...retires ownerless systems, and a live inventory... .... First-party product inventory... ...built and shipped scalable backend services... ...Logistics Remote, United States....Remote workSeniorContract workTemporary workRelocation
- ...Detection We develop advanced systems that provide superior fraud... ...prevention technology. Senior Backend Engineer (Rust & Serverless) The... ...brain" remains healthy and scalable. Technical Profile... ...environments. Automation First: You have a "script-first"...Remote jobSenior
$145.6k - $163.8k
...is looking for a Senior Backend Engineer based in the United... ...States. This remote role offers the... ...critical backend systems powering a modern... ...test, and maintain scalable services that... ...factors. ~ Remote-first work model with a... ...works: We use an AI-powered matching...Remote workSeniorFull timeHome office$170k - $220k
...looking for a Senior Software Engineer with a focus on... ...functional backend structures. Your... ...Containerized Systems Build and operate... ...and implement scalable, enterprise-... .... ~ AI-Assisted Development... ...lead DTEX’s first sales... ...in a hybrid or remote environment that...Remote workSeniorWork at officeWorldwide2 days per week- ...American healthcare system is completely... ...clinic. We're an AI-native digital health... ...for talented Senior Backend Engineers to join our fast-... ...life and building scalable technology to transform... ...time and open to remote or onsite/hybrid... .... ~ Think from first principles. Ask...Remote workSeniorFull timeWork at office
- ...ABOUT THE TEAM The AI Foundations Team at... ...-making. We’re a remote-first group of engineers, designers, and product... ...and build the core AI systems and platforms that enable... ...’ll work on the core backend systems that power... ...Design scalable services and APIs that...Remote workFull time
- ...looking for a Senior Backend Developer who... ...in a high-load system where performance... ...solving tough engineering problems, and seeing... ...a “build first, improve fast”... ...to a high-load, scalable system Take... ...use of AI coding agents such... ...Sick Leave Remote & Flexible Working...Remote workSeniorFull timeFlexible hours
$163k - $246.5k
...smarter as you build, with AI that learns your... ...About the role As a Backend Engineer, you'll work on our... ...backend and infrastructure systems to design, build and... ...vendors into existing first-party code. Our... ...offices depending on team. Remote employment will be...Remote workSeniorFull timeCurrently hiringLocal areaWeekend work3 days per week- ...re looking for a Senior Backend Engineer to help build and... ...scale distributed systems behind our... ...develop, and maintain scalable backend services... ...technologies, including AI-assisted... ...possibility to extend Remote - Candidates can... ...is a Node.js first environment, and...Remote workSeniorContract workLocal area
- ...works: we embrace AI as a core... ...this role As a Senior Backend Engineer on the Duo Chat team... ...clients and host systems reliable and clear... ...with attention to scalability, maintainability,... ...collaborating in an async-first, distributed team... ...page. Remote-Global How...Remote workSeniorFull time
$170k - $180k
...helping the healthcare system get better, too.... ...a highly skilled Backend Software Engineer IV to design,... ..., and AI-driven member features... ...ensuring a resilient, scalable backend that delivers... .... ~ Deep, senior-level expertise in... ...filled. #LI-remote We may use artificial...Remote workSeniorPermanent employmentFull timeLocal areaVisa sponsorshipWork visa$160k - $300k
...A leading technology firm is seeking a Backend Engineer with 5+ years of experience to develop scalable systems and optimize performance. The ideal candidate will have expertise in backend development, proficiency in Python, Java, or Go, and a strong background in cloud...- ...transformation in food systems. This is why we... ...which leverages AI, Blockchain and Remote Sensing... ...and build secure, scalable, and reliable web... ..., data engineers and product managers... ...to become Python-first in our tech stack... ...Expertise in backend software architecture...Remote jobSeniorFull time
- ...Crown Is Yours At DraftKings, AI is becoming an integral part of... ...the future together. As a Senior Software Engineer, you'll build the high-scale backend systems that power real-time experiences... ...ll Do Design and develop scalable back-end systems and APIs that...Remote workSeniorImmediate start
$184k - $284k
...constraint in AI’s growth trajectory... ...spanning power systems, AI, and... ...for a product engineer with infrastructure... ...an experienced Senior to Staff-level... ...mission-critical backend systems in... ...reliable, real time, scalable, and secure ,... ..., 2 days remote for focused work...Remote workSeniorFull timeWork at officeImmediate start3 days per week- ...Senior Backend Engineer Peek is the operating system powering the experiences industry - from museums... ...7B in bookings, Peek's AI-powered platform has... ...SpringCoast Partners. As a remote-first company recognized by... ...Emphasis on creating scalable and reliable backend systems...Remote workSeniorImmediate start
$205k - $270k
...combines the best of AI and human... ...: As a Senior Software Engineer, your goal will... ...reliable and scalable server solutions... ...and robust backend architectures... ...initiatives to enhance system scalability... ...and people-first benefits... ...the future Remote work setup budget...Remote workSeniorFull timeWork at officeHome officeFlexible hours$175k - $195k
...builds the data platform that AI labs and model builders... ...We are hiring a Senior Backend Software Engineer with deep expertise in building scalable, reliable systems. You will design and operate... ...encouragement to actually use it Remote First Policy : Work from...Remote workSeniorFlexible hours- ...Makai uses best-in-class AI and data to solve real-... ...This is a full-time remote role for a Senior Backend Software Engineer at Makai. This person will... ...applications for maximum speed and scalability Ensure the technical... ..., and to reason about systems rather than rely on...Remote jobSeniorFull timeLocal areaFlexible hours
$110k
...apply for the Senior Backend Developer role at Ryder System, Inc. 3 days... ...ago Be among the first 25 applicants... ...and maintains scalable back-end solutions... ...in a remote-first team environment... ...science, software engineering, or equivalent... ...with the help of AI. #J-18808-...Remote workSeniorFull time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Backend Engineer, AI-First, Scalable Systems (Remote). Be the first to apply!
- entry level back-end developer United States
- back-end developer United States
- java developer backend United States
- lead backend developer United States
- senior backend developer United States
- remote back end developer United States
- backend .net developer United States
- junior backend developer United States
- backend software engineer United States
- backend python developer United States




