Backend Software Engineer (YC experience)
$180k - $300kPragmatike
Location: San Francisco, California — On-site
Compensation: $180,000–$300,000 USD
Start Date: ASAP
Languages: Fluent English required
Type: Full-time
Tech Stack: TypeScript, Python, Go
About the Opportunity
Pragmatike is recruiting on behalf of a fast-growing technology company building sophisticated software systems and infrastructure at scale.
We are seeking a Senior Backend Software Engineer with experience in YC-backed or Venture backed start-ups who can work across frontend and backend systems and take features from initial concept through production.
What You'll Do
Build production backend services using TypeScript, Python, and Go.
Design and implement scalable APIs and distributed services.
Develop data processing and asynchronous workflows.
Design robust service architectures and integrations.
Improve system performance, reliability, and scalability.
Implement monitoring, logging, and observability.
Write high-quality, maintainable, well-tested code.
Participate in architecture and technical design discussions.
Work closely with Product and other engineering teams.
What We're Looking For
4+ years of backend software engineering experience.
Strong experience with TypeScript, Python, or Go.
Experience building production APIs and backend services.
Strong understanding of databases and data modeling.
Familiarity with distributed systems and asynchronous processing.
Strong testing and software engineering practices.
Excellent problem-solving skills.
Willingness to work on-site in San Francisco .
Nice to Have
Kubernetes and cloud infrastructure.
Event-driven architecture.
Microservices.
High-volume transactional systems.
AI/ML infrastructure.
Startup or scale-up experience.
Why Join?
Our client is building highly scalable technology that sits at the core of critical business operations, offering engineers the opportunity to work on complex systems, large-scale integrations, and real-world technical challenges.
You'll join a collaborative, fast-moving environment where ownership is encouraged, decisions are made quickly, and engineers have meaningful influence on architecture, product direction, and engineering culture.
This role offers the opportunity to tackle challenging backend problems, work with modern technologies, and grow alongside an ambitious team building for scale.
Full benefit package and competitive compensation.
Pragmatike is committed to a fair, transparent, and inclusive recruitment process. We do not discriminate based on age, disability, gender, gender identity or expression, marital or civil partner status, pregnancy or maternity, race, religion or belief, sex, or sexual orientation.
In accordance with GDPR, your personal data will be processed lawfully, fairly, and securely, and used solely for recruitment purposes, including sharing it with our client(s) for employment consideration. You may request access, correction, or deletion of your data at any time. We are committed to maintaining the confidentiality and security of your information throughout the recruitment process.
$170k - $205k
...believes in each other, come build with us at Crusoe.About This Role:We are seeking a Senior Backend Software Engineer to join the Core Backend team within Cloud Customer Experience (CCX). The CCX organization is at the forefront of delivering a best-in-class user...SuggestedTemporary work- ...Built by exited founders, YC & MIT alum, ex-Tesla, ex-Google engineers. Hypergrowth with... ...performance tradeoffs Experience in API design, implementation... ...of experience as a software engineer. We're leveling... .... Keywords: Senior Backend Engineer, Sr. Backend Engineer...SuggestedLive inNight shift
- ...and building the most advanced hardware, software, and AI technology to make it possible.... ...into a personalized, data-driven recovery experience. We are trusted by high performers,... ...Role We are looking for a Full Stack Engineer to be the technical backbone of our Customer...SuggestedFull timeImmediate startWorldwideNight shift
$200k - $250k
...clinics by providing AI-powered software, payer contracting, and... ...are technical. Every engineer on the team has experience at early-stage startups. Several... ...one previously founded a YC-backed company. We care... ...ship. Role: Senior Backend Software Engineer We're a...SuggestedFull timeWork at office$180k - $230k
...effective, and adaptive learning experiences.We're looking for a Senior Full Stack Engineer to join our AI Experience Pod,... ...frontends to GoLang and Python backend services (being highly experienced... ...For:5-7+ years of professional software development experienceA full-stack...SuggestedPermanent employmentLocal areaFlexible hours- ...Having biology knowledge and experience is not required but is nice to... ...build, and maintain APIs and backend services using Python, Go, or... ...Shape product direction, engineering culture, and hiring processes... ...takes to scale a fast-growing YC company. If you’re entrepreneurial...
- ...our technology. About the Role We’re looking for backend software engineers with a product mindset to join the GTM Innovation team.... ...production, and your work will directly shape how customers experience our technology in the field. This role is ideal for engineers...Full time
- ...partners across research, product, design, engineering, and go-to-market to bring new... ...About the Role We're looking for backend engineers to build the systems that... ...you have: ~5+ years of professional software engineering experience, with a strong track record of...Full time
- ...capabilities. About the Role We are looking for an exceptional backend software engineer to help define and ship the enterprise capabilities our... ...care for the details that define a great developer experience. Build, operate, and debug highly reliable backend...Full timeInternship
- ...About the Team OpenAI’s Applications Engineering organization builds and operates the products... ...and platform layers that make those experiences possible — from identity & access, to... .... About the Role We’re hiring Backend Software Engineers to design and implement safe...Full timeWorldwide
- ...founded in 2024 by a team of former Scale AI engineers and operators. In less than a year, we'... ...models. About this role As a Backend Engineer at David AI, you'll build the... ...like ~2+ years of backend engineering experience. ~ Strong backend fundamentals with experience...Full timeWork at office
$100k - $130k
...patented technology empowers businesses and software engineers with a deploy-once, comply-and-secure-... ...We are looking for a highly skilled backend engineer who is comfortable with... ...Kubernetes deployments ~1-3 years of experience in software engineering $100,000 -...Full time- ...Our application integrates the three software tools radiologists use all day [1], together... ...disease. This role As a backend software engineer working on our radiology platform,... ...You have ~4+ years of progressive experience building and maintaining complex,...Full time
$163k - $246.5k
...and Dropbox. Learn more at semgrep.dev. About the role As a Backend Engineer, you'll work on our backend and infrastructure systems to design, build and maintain a fast and reliable user experience for our customers. You'll collaborate with other engineers to...Full timeCurrently hiringLocal areaRemote workWeekend work3 days per week$125k - $150k
...to upgrade manufacturing. We are engineers with deep experience across the product development cycle,... ...About the role: On Lumafield’s Backend team, you work on the core of our cloud... ...processing using numpy ~ Strong software engineering fundamentals including git...Full timeWork at officeWork visaFlexible hours- ...efficiently. Looking for thoughtful engineers, to really get in the mind... ...to building impactful software. We are inspired to work... ...their needs, learn from their experiences, and develop effective... ...feedback. As part of being a backend engineer, you’ll use a variety...Full timeLocal areaRemote work
$150k - $200k
...the size of SaaS!). But unlike software (with observability platforms... ...dashboards, and forecasting engines. We’re at an exciting... ...The Role The role of a Backend Engineer has evolved. With the... ...What You Bring ~3+ years of experience in Python, C++, Typescript,...Full timeLocal areaImmediate startFlexible hoursShift work$122k - $240.5k
Position Summary Software Engineer III with Agentic AI Experience, AI & Engineering/Engineering as a ServiceAgentic AI is moving from experimentation to production, and organizations everywhere are racing to figure out how to build it responsibly and at scale. We...Work at officeLocal areaFlexible hoursShift work$223k
...the RoleChime is looking for a Staff Software Engineer to help shape the future of member-facing... ...that enable us to deliver AI experiences that are reliable, safe, and scalable... ...and confidenceDevelop and harden the backend services and internal tooling behind Jade...Full timeWork at officeLocal areaRemote workShift work$145k - $217k
...DescriptionSenior Full Stack Engineer, Solve VoiceJoin us at Zendesk... ..., and intelligent customer experiences, because behind every interaction... ...be doingDesign and implement backend services powering real-time... ...3+ years building production software, with significant backend...Full timeRemote work$266k
...across the organization. From customer operations to engineering, we develop an ecosystem of automation products that empower... ...this mission.About the RoleWe’re looking for a Backend Software Engineer with experience working in ML/LLM-heavy domains to help to design and...InternshipWork at officeLocal areaFlexible hours$266k
About the TeamOpenAI’s Applications Engineering organization builds and operates the products... ...and platform layers that make those experiences possible — from identity & access, to... ...scale.About the RoleWe’re hiring Backend Software Engineers to design and implement safe...Work at officeLocal areaWorldwideFlexible hours$148.5k - $223.9k
To get the best candidate experience, please consider applying for a maximum of 3 roles... ...and you are the future of Salesforce.Backend Software Development EngineerNote: By applying... ...organization hiring for Backend Software Engineers will review your resume. Our goal is...Full timeWork at officeFlexible hours3 days per week- ...Pragmatike is partnering with a YC-backed AI technology start-... ...at the intersection of software, intelligence, and user experience. We're looking for a Frontend Engineer who thrives in fast-paced environments... ...working closely with backend systems and APIs. ~...Full timeImmediate startVisa sponsorshipRelocation package
$209.1k - $234.1k
...ready to shape the future of data security, Protegrity is the place for you.Role OverviewWe are seeking a senior software engineer with experience in backend API development, deployment on Kubernetes, familiarity with Generative AI (GenAI) application backend...Local area$120k - $150k
...and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs,... ...headquarters in Northern California, USA. Backend Software Engineer, Enterprise Systems... ...of professional software engineering experience. ~ Strong proficiency with Python....Permanent employmentFull timeFlexible hours- ...She's a teammate. We're a YC W24 company, have raised $35M+... ...an AI employee can do. The engineering problems are hard and the surface... ...The Role You’ll build the backend that makes AI employees... ...You Are ~6+ years of backend experience, ideally at a high-growth startup...Full timeRemote work
- Job Openings Lead Founding Backend Engineer (Node, Python, React, AI/ML) - Startup Experience About the job Lead Founding Backend Engineer (Node, Python, React, AI... ...). Consulting Backgrounds (Experience at IT software development firms instead of actual product companies...
$140k - $240k
...Senior Backend Software Engineer You'll join a small, highly collaborative team building the secure cloud platform behind some of the world... ...building technology with meaningful real-world impact. Experience in one or more of the following is a plus: Python...Permanent employmentCasual workRelocation package- ...Teambridge Backend Engineer Opportunity More than 60% of U.S. workers (and 70% worldwide)... ...work keeps the world running, yet the software they rely on is rigid, outdated, and not... ...field or equivalent practical experience. ~5+ years of experience in backend...Work at officeLocal areaRemote workWorldwideShift workNight shift3 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Backend Software Engineer (YC experience). Be the first to apply!
- back-end developer San Francisco, CA
- senior backend developer San Francisco, CA
- backend software engineer San Francisco, CA
- backend python developer San Francisco, CA
- remote back end developer San Francisco, CA
- entry level back-end developer San Francisco, CA
- backend intern San Francisco, CA
- software implementation project manager San Francisco, CA
- remote software sales San Francisco, CA
- bank software San Francisco, CA



