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Backend Full Stack Engineer Jobs (NOW HIRING)

De Circle

Reins - Fullstack Engineer

San Francisco, CA · On-site +1

Full-stack engineer (preferred) * Backend engineer * Product/frontend contributor (optional) Focus areas are prioritized as follows: security & smart contracts, full-stack, backend, and product ...

Stelvio Inc.

Full Stack Engineer

Austin, TX · On-site

Remote Senior Full-Stack Engineer - Backend / Python / Django / React Stelvio is supporting a fast-growing, product-led technology company that is looking to hire several Senior Full-Stack Engineers.

Mondo

Full Stack Engineer

Irvine, CA · Remote

$160K - $190K/yr

The client is seeking a senior full-stack engineer to own and drive backend services, APIs, and platform architecture across a fast-growing, IoT-powered retail media network scaling to tens of ...

Vale Concepts

Full Stack Engineer

Seattle, WA · On-site

They are seeking a Full Stack Engineer to design and build features across both front-end and back-end systems, ensuring a seamless experience for customers and internal teams. Responsibilities : • ...

Scadea

Full Stack Engineer

Boston, MA

Full Stack Engineer Location: Boston, MA - 5 days a week onsite is required Length: 6-10 months Top ... backend technologies. In this role, you'll work across the full development lifecycle--owning ...

Soni Resources

Full Stack Engineer

Houston, TX · On-site

$100/hr

The Full Stack Engineer develops, integrates, and maintains robust web and mobile applications that ... NET. * Create and maintain RESTful and GraphQL APIs connecting front-end interfaces to back-end ...

DataDelivers LLC

Full Stack Engineer

Schaumburg, IL · On-site

$115K - $130K/yr

Full Stack Engineer Product Strategy & Technology Team (PST) Reports to: Director of Product ... Experience with Python for scripting, APIs, or backend services * Strong SQL skills - querying ...

DataDelivers LLC

Full Stack Engineer

Schaumburg, IL · On-site

$115K - $130K/yr

Full Stack Engineer Product Strategy & Technology Team (PST) Reports to: Director of Product ... Experience with Python for scripting, APIs, or backend services * Strong SQL skills - querying ...

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All JobsBackend Full Stack Engineer Jobs

Backend Full Stack Engineer information

See salary details

$44.5K

$134.8K

$190.5K

How much do backend full stack engineer jobs pay per year?

As of Jul 31, 2026, the average yearly pay for backend full stack engineer in the United States is $134,771.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,000.00 and $158,000.00 per year, depending on experience, location, and employer.

What is a Backend Full Stack Engineer?

A Backend Full Stack Engineer is a software developer who specializes in building and maintaining the server-side logic, databases, and APIs of an application, while also having proficiency in front-end technologies. They are capable of working on both the backend and frontend parts of web applications, allowing them to develop end-to-end features and ensure seamless integration between the client and server sides. This role requires strong knowledge of programming languages such as JavaScript (Node.js), Python, or Java, as well as familiarity with databases, server architectures, and various web frameworks. Backend Full Stack Engineers often collaborate with designers, frontend developers, and other stakeholders to deliver complete and functional products.

How does a Backend Full Stack Engineer typically collaborate with frontend developers and other team members?

Backend Full Stack Engineers frequently work alongside frontend developers, product managers, and QA engineers to deliver seamless user experiences. They are responsible for building and maintaining server-side logic and APIs, ensuring data flows efficiently between the backend and frontend. Effective communication is essential, as they must align backend functionality with frontend requirements and participate in code reviews, sprint planning, and troubleshooting sessions. This collaborative environment fosters learning and often provides opportunities to contribute across the tech stack, enhancing both technical and interpersonal skills.

What are the key skills and qualifications needed to thrive as a Backend Full Stack Engineer, and why are they important?

To thrive as a Backend Full Stack Engineer, you need strong proficiency in server-side languages (such as Node.js, Python, or Java), database management, and a solid understanding of front-end technologies, usually supported by a degree in computer science or related experience. Familiarity with frameworks (like Express, Django, or Spring), version control systems (like Git), and cloud platforms (such as AWS or Azure) is typically required. Effective problem-solving, communication, and teamwork skills help you collaborate across disciplines and deliver robust solutions. These skills ensure scalable, maintainable applications and seamless integration between backend and frontend systems, which are critical for organizational success.

What is the difference between Backend Full Stack Engineer vs Frontend Developer?

AspectBackend Full Stack EngineerFrontend Developer
Primary FocusDeveloping server-side logic, databases, and APIsDesigning and implementing user interface and client-side features
Required SkillsProgramming languages like Python, Java, Node.js; databases; server managementHTML, CSS, JavaScript; frameworks like React or Angular
Work EnvironmentOften involved in both front-end and back-end tasks, collaborating across teamsPrimarily focused on client-side development, UI/UX design

While both roles require strong programming skills, Backend Full Stack Engineers handle both server-side and client-side development, whereas Frontend Developers focus mainly on creating engaging user interfaces. Understanding these differences helps employers and job seekers target the right skills and responsibilities for each role.

More about Backend Full Stack Engineer jobs
What cities are hiring for Backend Full Stack Engineer jobs? Cities with the most Backend Full Stack Engineer job openings:
What states have the most Backend Full Stack Engineer jobs? States with the most job openings for Backend Full Stack Engineer jobs include:
What job categories do people searching Backend Full Stack Engineer jobs look for? The top searched job categories for Backend Full Stack Engineer jobs are:
Backend Full Stack Engineer jobs near you
Infographic showing various Backend Full Stack Engineer job openings in the United States as of July 2026, with employment types broken down into 5% Locum Tenens, 88% Full Time, 2% Part Time, and 5% Contract. Highlights an 79% Physical, 4% Hybrid, and 17% Remote job distribution, with an average salary of $134,771 per year, or $64.8 per hour.

Reins - Fullstack Engineer

De Circle

San Francisco, CA • On-site, Remote

Full-time

Re-posted 24 days ago

Job description

Reins is building an enterprise stablecoin account that looks and feels like a first-class business bank account, while giving companies the benefits of stablecoin rails and self-custody. Reins makes stablecoins operationally simple for businesses, providing familiar banking features such as ACH, wires (and global equivalents like SEPA), cards, multi-level permissions, approvals, and AML/compliance workflows-combined with stablecoin-native advantages like instant 24/7 global settlement, better control via self-custody, and access to lending, insurance, and exchange markets as DeFi infrastructure matures.
Role Overview
You'll work directly with founder and CEO Sebastian Delgado (co-founder of Fei Labs), taking ownership of meaningful chunks of backend, full-stack, and security work. The role is flexible:
  • Full-stack engineer (preferred)
  • Backend engineer
  • Product/frontend contributor (optional)

Focus areas are prioritized as follows: security & smart contracts, full-stack, backend, and product/frontend. Infrastructure/devops is not a current priority.
Backend & Integrations
  • Design and build backend services connecting custody, fiat rails, policies, and operational workflows
  • Implement and maintain APIs and services for ACH, wires, cards, permissions, AML/compliance workflows, and reporting
Smart Contracts & Security
  • Implement and review Solidity smart contracts, focusing on correctness, safety, and upgradeability
  • Contribute to threat modeling, security reviews, and audit/vendor management

Product & Full-Stack Work
  • Collaborate on the design and implementation of customer-facing applications (currently Dart/Flutter)
  • Translate user and operational needs into product and UX decisions, especially around permissions, approvals, and money flows

Security & Audit Participation
  • Own parts of audit/security review processes for your areas of the stack
  • Coordinate with external security firms
  • Build internal systems and processes with a security-first mindset appropriate for handling customer funds

  • Strong background as a backend or full-stack engineer, ideally in early-stage fintech (Plaid, Brex, Ramp, modern neobanks)
  • Experience with crypto infrastructure, wallets, or stablecoin projects
  • Proficiency in Solidity smart contracts or a willingness to contribute to security-critical logic
  • Familiarity with APIs, integrations, and operational workflows (ACH, wires, cards, permissions, AML/compliance)
  • Ability to collaborate on frontend/product work is a plus (Dart/Flutter experience beneficial)
  • Strong understanding of security best practices for handling customer funds
  • Excellent problem-solving, attention to detail, and autonomy in early-stage environments

Preferred Backgrounds
  • Early engineers at crypto infra/wallet/stablecoin companies
  • Strong backend/full-stack engineers from top fintechs who are crypto-native

Apply