Senior Backend Engineer: Core Services & Secure Runtime
Retool
Retool in San Francisco, CA is seeking an experienced backend software engineer to own end-to-end projects, talk with customers, and help scale a fast-growing product. You’ll work on core backend services powering the Retool product, including secure sandboxing, streaming, and EKS deployments. Bring 6+ years of professional software development, a track record of building distributed systems, and strong cloud/Kubernetes experience. #J-18808-Ljbffr Retool
- Affirm is building the next generation of CIAM to secure customer registration, login, and account lifecycle across B2C and B2B experiences. You will design and operate backend services in Python and Kotlin, implementing OAuth 2.0, OIDC, SAML, and SCIM, while integrating...Senior
- Nametag is seeking a Senior Backend Engineer to design and scale the systems behind identity verification... ...backend-first role owns production services, APIs, database design, authentication... ...and production outcomes, ensuring security-minded, scalable solutions in a remote...SeniorRemote job
- Fastly is looking for a Senior Backend Software Engineer for their Security Products team to design and own public-facing APIs and backend services. This role involves collaborating with frontend engineers and product managers to deliver customer experiences and requires...Senior
- A leading compensation platform company in San Francisco is seeking experienced backend engineers to build and maintain robust, data-rich systems for compensation processes. Ideal candidates have strong product intuition and hands-on experience with technologies like Node...SeniorFlexible hours
- Credit Genie in San Francisco is seeking a Senior Backend Engineer to design and build core services that enhance financial products, focusing on fraud detection and security. Ideal candidates should have over 5 years of experience in backend systems and excel in collaborative...Senior
- ...little – we have a growing engineering team and a laundry list... ...business. WHAT YOU'LL DO The Core Services team owns key backend services powering broad... ..., ensuring robustness, security, and efficiency. This includes... ...streaming. Use secure runtime and sandboxing...
- ...with enterprise‑grade security and compliance. As pioneers... ...) We are building the runtime that powers AI agents... ..., not just users: engineers who have stood up an agentic... .... 6+ years building backend systems or distributed... ...space (financial services, healthcare). Async and...SeniorWorldwideFlexible hours
- Kush Deshmukh is seeking an engineer to build and scale enterprise security AI agent infrastructure. You will own core surfaces—entity graphs, integrations with Okta/AWS, and... ...audit APIs that govern agent calls. Strong backend experience and comfort with ambiguous data...
$150k - $245k
About The Role As a Senior Backend Engineer, you’ll design the backbone of our... ...finance systems: scalable services, resilient APIs, and thoughtful... ...‑grade reliability and security. What You'll Do Design and... ...assuming AI is a first‑class runtime. What You’ll Need To Have 5...Senior$220k - $260k
...largest organizations to empower scientists, engineers, financial experts, product creators,... ...Apply to be the newest Snorkeler! The Core Services team within Snorkel AI’s Infrastructure... ...infrastructure, data platforms, or backend systems with significant data components...SeniorLocal areaShift work- ...digital experiences quickly, securely, and reliably by... ...Internet. Come join us. Senior Backend Software Engineer (APIs), Security Products... ...public-facing APIs and backend services in Go - from technical proposal... ...to be available during core business hours (Pacific Time...SeniorContract workWork at officeLocal areaFlexible hoursNight shift
- ngrok is seeking a dedicated Security Engineer to design and ship automated guardrails, self-service tooling, and production-grade security controls. You will partner with engineering, infrastructure, and leadership to balance speed with risk while building scalable security...Senior
$105k - $125k
A technology safety firm seeks a skilled backend developer to design and implement secure, scalable APIs and services. The role involves close collaboration with researchers to optimize AI models and ensure high standards of security and performance. Required qualifications...Remote job- ...Role We’re hiring a founding Senior Backend Engineer to help us design, develop,... ...members. You’ll help build our core systems and product and... ...ensuring they are scalable, secure, and reliable Design and implement... ...and scalability of our services to handle a growing number of...Senior
- ...motivated to learn deeply. You care about security, code quality, scalability, performance,... ...excellence and apply the best engineering practices possible. Not everything that... ...improve User experience, our Site, or our Service. Process transactions. Send emails about...
$147k - $192k
...Backend Engineer Baselayer is the intelligent business identity... ...to be an impeccable core/api backend engineer.... ...technologies. You prioritize security and compliance in... ...design core backend services that support KYC/KYB processes... ...- 0.05% – 0.25% Seniority Level Mid‑Senior level...SeniorFull timeWork at officeFlexible hours3 days per week$160k - $210k
Ellipsis Health is seeking a Senior Backend Engineer to design, build, and scale core systems for their conversational AI platform. Located in San... ...involves architecting APIs, managing orchestration services, and ensuring secure integration with healthcare systems. The...SeniorRemote job- ...Senior Backend Engineer As a Senior Backend Engineer, you will design, build, and deploy the backend services that power our creative brainstorming and creation products. You will work... ...APIs to our AWS infrastructure, write secure, stable, and scalable Python code,...SeniorFull timeWork at office
$140k - $190k
Loft Orbital is looking for a Backend Engineer to join our Mission Operations Services (MOS) team. MOS owns the backend services that let Loft operators and customers... ..., IoT connectivity, on‑orbit AI, national security missions, and more. Leveraging our existing space infrastructure...Local area$190k - $230k
Sauron Industries, Inc. is seeking a Backend Engineer to design and develop scalable systems for innovative residential security using robotics and AI. You will work on cloud services, APIs, and data pipelines, contributing to a collaborative team culture. The role requires...Senior- ...The Opportunity As a Senior Vulnerability Engineer at Kandji, you will lead efforts to design, build, and... ..., scalability, reliability, and security goals. You will work alongside our Staff... ...components, what new technologies and services to implement, and guide Kandji’s overall...SeniorFull timeWorldwide3 days per week
- ...Software Engineer, Core Services Our mission is to automate coding. The first step in our journey... ...infrastructure layer: auth, webhooks, and the backend systems that power agent workflows.... ...a scalable auth architecture that secures one of the most widely-used developer...Work at office
- ...classify, and protect sensitive data. As a Senior Backend Engineer you'll enable us to deliver our platform reliably, securely, and at massive scale. You'll help architect... ...available and secure authentication and API services. Maintaining and evolving mission-critical...Senior
- Hive is seeking a Staff Software Engineer to design and scale backend services, including REST APIs and distributed systems. You will own features end to end, write secure, high‑performing code, and help raise engineering standards while addressing production issues and...Senior
- ...Casap is looking for talented Backend Engineers (~10) in San Francisco excited... ...microservices. Design and implement core frameworks and libraries for various backend services, promoting code reuse and... ...system performance and security. Proactively identify areas for...SeniorFlexible hours
$145k - $188k
...evolving threat landscape. Senior Backend Engineer – Investigator As a Senior... ...builder of the evidence-based security platform that elite... ...: Develop REST and GraphQL services designed to interface with... ...proficiency in at least one core language (Python, Java, and...Senior- ...seeking a Sr. Software Development Engineer in San Francisco to help build critical, high-performance services for authentication and... ...software development, particularly in backend web services, and is passionate about security. Benefits include flexible paid time...SeniorFlexible hours
- Piston Technologies, Inc. is hiring a backend-focused engineer in the San Francisco Bay Area to own and evolve backbone services. You will design, implement, and optimize microservice... ...in CI/CD pipelines while upholding security standards like PCI DSS. #J-18808-Ljbffr...Senior
$190k - $230k
...driving cars to residential security. Our team is led by veteran operators and engineers, alumni of Sonos,... ...products make is a robust backend platform that securely... ...will work across cloud services, distributed systems,... ...'ll do Humanity at the Core: "Relationships over transactions...SeniorLocal area$163k - $246.5k
...Backend Engineer Semgrep, the leader in code security for builders, empowers invention without friction. Teams catch, flag, and fix real issues before they... ...other engineers to develop the APIs, data models and services that power Semgrep's products at scale. You should...SeniorCurrently hiringLocal areaRemote workWeekend work3 days per week
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