Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Backend Engineer

$155k - $225k

Harnham

Senior Backend Engineer

New York City (Hybrid, 3 days per week in office) | $155,000 - $225,000 + Equity + Benefits


This is an opportunity to join a high-growth technology business that is redefining a traditional industry through a modern software platform. You'll have significant ownership, work closely with Product and Design teams, and help build scalable systems that support a rapidly expanding customer base.


The Company
They are a venture-backed technology company with more than 200 employees and recent Series D funding. Their platform enables independent businesses to launch, manage, and grow their operations through a combination of software, marketplace access, and operational support.
The business has experienced strong growth and is continuing to invest heavily in its product and engineering teams. They offer a collaborative environment where engineers are encouraged to influence product direction and drive technical decisions.


The Role
  • Build, scale, and maintain backend services using Python
  • Design and develop APIs that power key platform functionality
  • Work closely with Product and Design teams to deliver customer-focused solutions
  • Contribute to architecture decisions that improve performance, scalability, and reliability
  • Develop systems across onboarding, customer management, communications, integrations, and operational tooling
  • Take ownership of features and projects from design through deployment
  • Promote engineering best practices and high-quality code standards
  • Support the growth of a modern cloud-based platform serving a growing user base
Your Skills & Experience
  • Strong commercial experience with Python backend development
  • Experience working with Django, Flask, or similar frameworks
  • Expertise designing and building REST APIs
  • Strong knowledge of distributed systems and web application architecture
  • Experience working with relational databases and ORM technologies
  • Exposure to AWS and cloud-native environments
  • Experience building customer-facing products within SaaS, marketplace, consumer technology, or other product-led businesses
  • Ability to work autonomously while collaborating effectively across teams
  • Product-minded approach with a strong sense of ownership
What They Offer
  • $155,000 - $225,000 base salary
  • Equity package
  • Comprehensive benefits package
  • Hybrid working model with 3 days per week in the New York City office
  • High levels of ownership and autonomy
  • Opportunity to solve complex technical challenges at scale
  • Clear progression opportunities within a growing engineering organisation
  • Collaborative and supportive engineering culture
How to Apply
If you are a Senior Backend Engineer with strong Python experience and a passion for building scalable products, apply today to learn more about this opportunity.
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Backend Engineer in New York, NY vacancy
  • $165 per hour

     ...DescriptionIf you say you have an idea and can covert that into a something beautiful, then you are the one we are looking for.As our Sr. Backend Engineer, you will be:You will develop efficient web services and APIsYou will participate in daily code deploys while working on... 
    Senior

    Roljobs Technology Services

    New York, NY
    2 days ago
  •  ...reliability — and grow the team that runs it. This is a high-impact engineering role with meaningful equity, real ownership, and direct...  ...scales. What you'll do Set the architecture. Own how our backend fleet and data pipeline fit together, and where they go next.... 
    Senior
    Full time

    Lawfully

    New York, NY
    1 day ago
  •  ...Senior Backend Engineer Responsibilities As one of the founding engineers, you will be responsible for…well pretty much everything engineering related. That means Working directly with the founders on specs Translating specs to engineering requirements Implementation... 
    Senior

    Canaan Partners

    New York, NY
    5 days ago
  • $150k - $250k

    $150,000-$250,000 per annum New York, United States Permanent Senior Backend Engineer - New York My client is a well funded early stage startup building a high scale social platform from the ground up. They are focused on building persistent, high performance... 
    Senior
    Permanent employment

    Apollo Solutions

    New York, NY
    4 days ago
  • $160k - $240k

     ...leading investors, the company is expanding rapidly and looking for engineers who thrive in a fast-paced, high-ownership environment where...  ...product and business. About the Role Design and build backend services powering fintech and SaaS products for healthcare customers... 
    Senior
    Full time
    Work at office
    Remote work

    Strategic Employment Partners (SEP)

    New York, NY
    9 hours ago
  • $250k

     ...and we need your help adding fuel to the fire.About the RolePolymarket is launching perpetual futures and we're looking for Senior Backend Engineers to own the core systems that make it run. This is backend exchange engineering in the truest sense: low-latency order... 
    Senior

    Polymarket

    New York, NY
    3 days ago
  • $250k

     ...ubiquitous beacon of truth in global media and we need your help adding fuel to the fire.About the RolePolymarket is looking for a Senior Backend Engineer to build and scale the payments infrastructure that powers deposits, withdrawals, and money movement across the platform.... 
    Senior

    Polymarket

    New York, NY
    5 days ago
  • $250k

     ...core of what Polymarket does. Every trade, every order, every market resolution runs through the systems this team owns. As a Senior Backend Engineer on the Services team, you'll be working directly on that infrastructure, building and scaling the backend that processes... 
    Senior

    Polymarket

    New York, NY
    5 days ago
  • $250k

     ...global media, powered by fast, reliable, and deeply technical market infrastructure.About the rolePolymarket is looking for a backend/product engineer to own the core domain APIs and data models that power our consumer-facing product.You’ll work at the intersection of... 
    Senior

    Polymarket

    New York, NY
    5 days ago
  • $165k - $225k

     ...Salary range: $165k – $225k USD* We are looking for smart engineers who love to code, seek challenging problems, and appreciate recognition...  ...full-stack, data, ML, and DevOps engineers to build scalable backend solutions as we continue to grow. We're a small team where... 
    Senior
    Work at office
    Remote work

    Kalepa

    New York, NY
    5 days ago
  • $173.48k - $213.96k

    ABOUT THE ROLEWe are seeking a seasoned backend software engineer and hands-on technical lead to drive the expansion of Peloton’s e-commerce platform across web, retail, and emerging sales channels. In this role, you will architect and scale high-performance, resilient... 
    Senior
    Local area

    Peloton Cycle

    New York, NY
    1 day ago
  • $160k - $180k

     ...Description Senior Backend Engineer Full-time New York, NY, US Exclusive confidential search - details shared with qualified applicants. Benefits You'll Love ~ Equity / ownership upside Become a Key Player as a Senior Backend Engineer... 
    Senior
    Hourly pay
    Full time

    NextDeavor

    New York, NY
    1 day ago
  •  ...The Role Raydar is recruiting for this role on behalf of our client. Serve as the lead backend engineer for an early-stage software platform, owning system design, reliability and delivery across a range of high-stakes services. The work spans real-time data processing... 
    Senior
    Full time
    Work at office
    Immediate start

    Healthcare Technology Corp

    New York, NY
    3 days ago
  •  ...brands to build a deep, systematic understanding of trends, audiences, and influence. You’ll join a small but mighty team where engineers own systems end-to-end — not tickets. You’ll work directly with founders, shape foundational architecture, and make decisions that... 
    Senior

    Visible Hands

    New York, NY
    4 days ago
  •  ...operators get patients the right care, at the right time, in the right setting. Role Description We’re seeking a Senior Backend Engineer with a passion for systems architecture, data modeling, and large-scale workflow orchestration . In this role, you’ll... 
    Senior
    Work at office

    Tennr

    New York, NY
    4 days ago
  •  ...Senior Backend Engineer WHY THIS ROLE EXISTS Our client is building AI technology to make healthcare accessible and free for everyone. They are seeking backend engineers to develop scalable infrastructure that supports billions of AI driven consultations while... 
    Senior

    NxT Level

    New York, NY
    4 days ago
  • $190k - $235k

     ...interviewing, a best-in-class ATS (applicant tracking system), and the most powerful job search experience in the world. As a senior backend engineer, you’ll be responsible for leading engineering efforts across both our job-seeker and company experiences. You’ll be... 
    Senior

    Sarah Smith Fund

    New York, NY
    2 days ago
  •  ...A financial data platform is looking for a Backend Engineer to help turn complex, unstructured financial documents into data that powers real client decisions. This role sits at the intersection of LLMs, document parsing, and backend architecture, with the chance to build... 
    Senior

    Mission Staffing

    New York, NY
    3 days ago
  •  ...Senior Backend Software Engineer Duration: one year C2c Rate: $70 - 80/hr Hybrid: Location : 2, Broadway , NY, NY Position Overview The Senior Backend Software Engineer / Consultant is a hands-on engineer responsible for developing... 
    Senior
    Afternoon shift

    Anveta

    New York, NY
    1 day ago
  •  ...by investors who believe the home services industry is ready for a technology-first approach. About the Role As a Senior Backend Engineer, you'll design and build the systems that power Skape's real-time marketplace. Every time a homeowner books a service, a... 
    Senior
    Immediate start
    Remote work

    skape Industries LLC

    New York, NY
    5 days ago
  •  ...Senior Backend Engineer | FinTech Data Platform We're partnering with an innovative and rapidly growing technology business that is transforming how financial data is extracted, structured, and delivered through cutting-edge AI, NLP, and machine learning technologies... 
    Senior
    Work at office
    Remote work

    WSS Associates

    New York, NY
    2 days ago
  • $170k - $210k

     ...a self-service-first purchasing experience that exceeds customer expectations before and after their rug purchase. As a Senior Backend Engineer, you will be a foundational member of the engineering team building Ernesta's in-house order management system from the ground... 
    Senior

    Ernesta Home, Inc

    New York, NY
    3 days ago
  •  ...allowed. You own how agents and developers connect to us, and the backend that keeps every rule current. This is a hands‑on, individual‑...  ...real say over the architecture. You will be one of our first engineers, shaping the architecture of a new category, with the ownership... 
    Senior
    Full time
    Work at office
    Remote work
    3 days per week

    Engg

    New York, NY
    3 days ago
  • 1Password is hiring a back-end leaning Senior Developer to join the Growth Team, focused on self-serve experiences, evolving systems, and rapid experimentation across our B2B product suites. We value autonomy, collaboration, and a growth mindset while delivering secure... 
    Senior
    Remote job

    Jobicy

    New York, NY
    3 days ago
  • Zillow Group is seeking a collaborative, product-minded backend engineer to design, build, and scale evaluation frameworks for agentic AI experiences. You will work with applied scientists, ML engineers, and product leaders to deliver reliable, scalable AI evaluation capabilities... 
    Senior
    Remote job

    Zillow Group

    New York, NY
    2 days ago
  • $166.6k - $208.3k

     ...through the skies. It embodies the elegance of simplicity in engineering, transforming the demanding task of controlling an aircraft...  ...product engineering group is growing and we’re looking to hire senior backend engineers . We’re a team of pragmatic, product-minded... 
    Senior

    Mercury

    New York, NY
    2 days ago
  • $210k - $232k

     ...part of a team that's reshaping the way value flows on the internet. We’re looking for an enthusiastic, self-motivated Senior Backend Engineer to help us build the next generation of financial products. We are headquartered in SoHo in New York City, and this role... 
    Senior
    Full time
    Remote work
    Home office

    Universal Navigation Inc. (commonly known as Uniswap Labs)

    New York, NY
    1 day ago
  • $250k

     ...ubiquitous beacon of truth in global media and we need your help adding fuel to the fire.About the RolePolymarket is looking for a Backend Engineer to build the detection, monitoring, and case-management systems that keep our platform compliant and safe at scale.This role... 
    Senior

    Polymarket

    New York, NY
    5 days ago
  • Sporty Group is seeking an experienced software engineer to design and implement microservices in a distributed environment. You will work with Docker and Kubernetes to deliver scalable backends used by millions of users, while learning and applying modern Java frameworks... 
    Senior
    Remote job

    Sporty Group

    New York, NY
    2 days ago
  • Docker is seeking a Senior Backend Engineer for the Supply Chain Security group. You will build, secure, and evolve Docker’s registry and SaaS offerings, focusing on security and policy enforcement within large-scale infrastructure. The role collaborates across product... 
    Senior
    Remote job

    Docker

    New York, NY
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Backend Engineer. Be the first to apply!