Senior Backend Engineer, Crypto API Platform
Framework Ventures
BitGo is seeking an experienced backend engineer to design and scale API‑driven services. You’ll own features end‑to‑end, work with cross‑functional teams, and help shape the architecture of a high‑throughput platform. You should bring 6+ years in backend development, strong TS/Node.js, PostgreSQL, and MongoDB experience, plus a passion for crypto. This role offers a fast‑paced startup vibe with serious scale and impact. #J-18808-Ljbffr Framework Ventures
$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 Francisco, the role offers opportunities... ....js. This role involves architecting APIs, managing orchestration services, and...PlatformSeniorRemote job- 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... ...building production‑ready services for a cloud AI platform used by top customers. #J-18808-Ljbffr HivePlatformSenior
$191.36k - $287.04k
...Sense is seeking a high-impact Senior Software Engineer in San Francisco to design... ...build scalable systems and APIs. The role involves... ...teams, requiring expertise in backend development and strong problem... ...and familiarity with cloud platforms like AWS or GCP. 6Sense offers...PlatformSenior- ...languages like Python and Go , Knowledge of database technologies like PostgreSQL, Elastic, Redis , Knowledge of designing and building API platforms and integration systems , Experience with cloud technologies like GCP, AWS and Azure , Experience with containerization...PlatformSeniorWork experience placement
$405k
Anthropic is seeking an experienced backend engineer to enhance the Claude API systems for user experiences. You will lead complex projects, ensuring reliability and scalability while collaborating with various teams. The ideal candidate has at least 8 years of relevant...PlatformSenior$220k - $405k
Perplexity is looking for experienced backend engineers to join our team specializing in building high-performance APIs. You will be responsible for designing and optimizing mission-critical APIs that power frontier intelligence for various customers. The ideal candidate...PlatformSenior$224k - $284k
ATOMS Careers page is seeking a Backend Engineer to join their San Francisco team. You will design and scale the cloud systems that power... ..., experience in Java or Go, and a strong knowledge of cloud platforms. The role offers a competitive salary range of $224,000 to $...PlatformSenior- Lila Sciences in San Francisco seeks a Senior Software Engineer II, Developer Platform to own critical systems spanning the enterprise lifecycle and the developer... .... You’ll shape multi-tenancy, auth, and public APIs while building SDKs and integrations for customers and...PlatformSenior
- Weave is seeking a Senior Platform Engineer for their Frontend Operations team, responsible for architecting backend services that support developer experiences. The role requires strong... ...experience, with a strong background in API services, distributed architecture, and...PlatformSeniorRemote job
$170k - $240k
Sigma Computing Inc. in San Francisco is seeking engineers to build a high-performance platform for data exploration. You will solve complex problems and deliver impactful capabilities in a collaborative environment. Ideal candidates have 5+ years of software development...PlatformSenior- ...connected with the things they love. Fastly’s edge cloud platform enables customers to create great digital experiences... ...re building a more trustworthy Internet. Come join us. Senior Backend Software Engineer (APIs), Security Products Some of the largest sites on the...PlatformSeniorContract workWork at officeLocal areaFlexible hoursNight shift
- Pivotal Health is seeking a Senior Software Engineer to develop backend systems that connect our platform to external healthcare data sources and tools. In this role, you will... ...engineering experience, strong skills in API development, and can handle messy real-world data...PlatformSeniorFlexible hours
$147k - $192k
...Backend Engineer Baselayer is the intelligent business identity platform that helps verify any business, automate KYB, and monitor real... ...to be an impeccable core/api backend engineer. Qualifications... ...192k + Equity - 0.05% – 0.25% Seniority Level Mid‑Senior level Employment...PlatformSeniorFull timeWork at officeFlexible hours3 days per week- Rippletide SAS is seeking a Senior Software Engineer in San Francisco to build the core systems for their Decision Context Graph platform. The role emphasizes performance-critical backend infrastructure and APIs, engaging with a talented team on significant AI projects....PlatformSeniorRemote job
- ...-backed Health-Tech company in San Francisco is seeking a Senior Backend Software Engineer to design and maintain their product suite. You will play... ...should have 5-8 years of experience, particularly in cloud and API development. The role offers competitive wellness benefits...Senior
- ...What You’ll Do Design and scale backend systems powering AI-driven... ...fast-paced environment Improve platform performance, observability,... ...years of professional software engineering experience Strong backend... ...development skills with Python and API frameworks Experience working...PlatformSenior
$250k
Senior Software Engineer (Python) - San Francisco, CA A fast‑growing deep‑tech... ...Doing? Building AI‑powered backend workflows and distributed systems... ...using Docker, cloud platforms, and orchestration tools.... ...Experience building scalable APIs and distributed systems. Familiarity...PlatformSenior- ...scale complex workflows. The platform serves a large and growing global... ...Design, build, and operate backend services that support a... ...Degree in Computer Science, Engineering, or a related field, plus 5+... ...as with Python or Go, RESTful API's, Kubernetes, PostgreSQL A...PlatformSenior
- ...point and we7;re looking for a Senior/Staff Engineers to help scale us to a $XXM+... ...years, thanks to excellent platforms that not only support... ...the caliber to scale: Python backend (primarily Django) with Postgres... ...React frontend Unified GraphQL API Hosted on Render (Services,...PlatformSeniorWork at officeFlexible hoursWeekend workAfternoon shift
$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$500 per month
...ambitions are larger: to become the go‑to AI platform for all enterprise automation, powered... ...companies. The Role We’re looking for backend engineers to build the infrastructure and systems... ...‑use agent in lieu of formal customer APIs Tech Stack Backend: Python (Django/...PlatformSenior- A fast-growing startup is seeking a talented backend developer to build and scale systems for a core booking platform. You will work on APIs and services that support thousands of small businesses. The ideal candidate has 3+ years of experience in Python, knowledge of Django...Platform
- Job Title: Senior Backend Engineer - Golang Location(s): San Francisco, CA Job Summary We are looking... ...commerce marketplace. This role spans API development, data pipelines, and core... ...systems on GCP or similar cloud platform. Demonstrated ability to design clean...PlatformSenior
- United States Digital Space LLC is seeking strong engineers to build mission-critical APIs for their API Platform. You will work on backend engineering using Python, Go, or Rust, focusing on performance optimization and delivering intelligent interfaces. Ideal candidates...Platform
$150k - $180k
...financial services firm in San Francisco is looking for a Backend Developer with expertise in Java and experience in... ...scalable services for decentralized finance platforms. Candidates should have strong skills in API development and database management. The role offers...Platform$140k - $200k
Join to apply for the Senior Backend Engineer role at HumanSignal HumanSignal is building the platform that powers the creation, curation, and evaluation of high‑quality data... ...at scale, and deliver reliable, fast APIs and backend systems. About the role Senior Backend...PlatformSenior- Commit is seeking a Senior Backend Engineer to work with the founders on product development and technical... ...power the consumer dashboard and B2B platform, and collaborate across time zones.... ...on performance, reliability, and clean API design. #J-18808-Ljbffr CommitPlatformSeniorRemote job
$150k - $245k
About The Role As a Senior Backend Engineer, you’ll design the backbone of our intelligent finance systems: scalable services, resilient APIs, and thoughtful data models. Our backend is primarily... ...improve system behavior. Ship platform foundations, not one‑off features,...PlatformSenior$160k - $300k
...mission is to revolutionize how engineering decisions are made, turning... .... About the Role As a Senior / Staff Backend Engineer at Apiphany, you’ll... ...that power our intelligence platform. You’ll own backend low-latency services and APIs that handle massive engineering...PlatformSeniorWork at officeVisa sponsorshipFlexible hours$200k - $260k
...-site in San Francisco, CA Are you a senior backend engineer who takes pride in building reliable,... ...most widely used LLM Gateway - a unified platform that gives developers secure, scalable... ...defend against common attacks on LLM APIs, MCP servers, and agents, build out...PlatformSenior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Backend Engineer, Crypto API Platform. Be the first to apply!
- back-end developer San Francisco, CA
- senior backend developer San Francisco, CA
- java developer backend San Francisco, CA
- backend software engineer San Francisco, CA
- lead backend developer San Francisco, CA
- backend python developer San Francisco, CA
- remote back end developer San Francisco, CA
- entry level back-end developer San Francisco, CA
- data platform engineer San Francisco, CA
- client platform engineer San Francisco, CA

