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Backend Engineer Jobs (NOW HIRING)

Nexusflow.ai Inc.

Backend Engineer

Palo Alto, CA

Backend Engineer Nexusflow is currently adding Backend Engineers to our team. Our Backend Engineers package up our technology in models and last-mile quality tooling. Our Backend Engineers will be ...

FlowPlay, Inc.

Backend Engineer

Seattle, WA · On-site

$160K - $175K/yr

Job Title: Backend Engineer Department/Team: Engineering Reports To: Backend Engineering Manager Job Summary The Backend Engineer at FlowPlay is responsible for developing, maintaining, and ...

Flowplay, LLC

Backend Engineer

Seattle, WA · Hybrid

$160K - $175K/yr

Job Title: Backend Engineer Department/Team: Engineering Reports To: Backend Engineering Manager Job Summary The Backend Engineer at FlowPlay is responsible for developing, maintaining, and ...

Flowplay, LLC

Backend Engineer

Seattle, WA · On-site

$160K - $175K/yr

Job Title: Backend Engineer Department/Team: Engineering Reports To: Backend Engineering Manager Job Summary The Backend Engineer at FlowPlay is responsible for developing, maintaining, and ...

Career Movement

Backend Engineer

They operate highly distributed systems and process massive volumes of web-based data at scale, and are looking to add a strong backend engineer to the team. This is a hands-on role focused on ...

Vic.ai

Backend Engineer

New York, NY · Remote

Backend Engineer - AI Integrations Location: Remote (Madrid Hybrid) Department: Engineering About Vic.ai Vic.ai is building the future of autonomous accounting using AI. We help finance teams ...

Junior

Backend Engineer

New York, NY · On-site

Role Description As a Backend Engineer , you'll help build and scale the systems that power our AI-driven research platform. This is a systems-level role - ideal for engineers who love thinking about ...

Wilcore Technologies, Inc.

Back End Engineer

They are hiring a Back End Engineer to manage and expand their portfolio of federal contracts, specifically supporting the U.S. Department of Veterans Affairs by developing and maintaining secure ...

Otter

Backend Engineer

Mountain View, CA · On-site

As a Backend Engineer, you will design and optimize systems that support mission-critical applications, collaborating with various teams to deliver high-quality services. Responsibilities : • ...

ProNexus

Backend Engineer

New York, NY · On-site

The company is hiring a Backend Engineer to build the reliable systems behind its AI products. About the role As a Backend Engineer, you will design and build the services, APIs, data models, and ...

ProNexus

Backend Engineer

San Francisco, CA · On-site

The company is hiring a Backend Engineer to build the reliable systems behind its AI products. About the role As a Backend Engineer, you will design and build the services, APIs, data models, and ...

ProNexus

Backend Engineer

New York, NY · On-site

The company is hiring a Backend Engineer to build the reliable systems behind its AI products. About the role As a Backend Engineer, you will design and build the services, APIs, data models, and ...

ICONSTAFF

Senior Backend Engineer

Boston, MA · Remote

$160K - $240K/yr

Senior Backend Engineer Role The Opportunity As a Senior Backend Engineer, you'll design and build scalable backend systems for an AI-driven data platform. You'll lead technical projects, handle ...

ProNexus

Backend Engineer

The company is hiring a Backend Engineer to build the reliable systems behind its AI products. About the role As a Backend Engineer, you will design and build the services, APIs, data models, and ...

Cylake

Backend Engineer

Sunnyvale, CA · On-site

The Backend Engineer will be responsible for designing and building the management layer for a distributed embedded system, contributing to the architecture and delivery of impactful products.

depthfirst

Backend Engineer

San Francisco, CA · On-site

They are seeking an experienced Backend Engineer to lead the development of an AI-native platform that autonomously finds and fixes software vulnerabilities, focusing on scalable infrastructure and ...

Navier AI

Backend Engineer

San Francisco, CA · On-site

Role Overview We're hiring a Backend Engineer to help build the infrastructure behind our autonomous engineering agents. You'll work across model serving, simulation orchestration, multi-agent ...

Noom US

Backend Engineer

Princeton, NJ · On-site

$129K - $152K/yr

Deliver backend engineering work across Noom's product and Agentic/AI initiativesd * Partner with cross-functional stakeholders across engineering, product, and healthcare teams to execute on defined ...

SLR Search

Staff Backend Engineer

New York, NY

$200K - $250K/yr

Join an elite team as a Senior Backend Engineer architecting the high-performance data backbone and ML infrastructure that powers autonomous manufacturing. You will build the low-latency systems that ...

Lakeview Loan Servicing

Backend Engineer

Manhattan, NY · Remote

$140K - $240K/yr

Overview The Backend Engineer on the AI Platform team plays a critical role in building and evolving the backend systems that power internal products, customer-facing capabilities, AI-enabled ...

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Backend Engineer information

See salary details

$60.5K

$147.7K

$199K

How much do backend engineer jobs pay per year?

As of Jul 14, 2026, the average yearly pay for backend engineer in the United States is $147,662.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,000.00 and $172,000.00 per year, depending on experience, location, and employer.

What are some common challenges Backend Engineers face when integrating new technologies into existing systems?

Backend Engineers often encounter challenges when integrating new technologies, such as ensuring compatibility with legacy systems, maintaining data consistency, and minimizing service disruptions during deployment. They must carefully plan migrations, coordinate with frontend and DevOps teams, and implement thorough testing to avoid introducing bugs or security vulnerabilities. Effective communication and documentation are key to overcoming these challenges and ensuring a smooth transition.

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

To thrive as a Backend Engineer, you need strong programming skills in languages like Java, Python, or Node.js, a solid understanding of algorithms, and experience with databases, typically supported by a degree in computer science or related field. Familiarity with tools such as RESTful APIs, cloud platforms (e.g., AWS, Azure), version control systems (like Git), and containerization technologies (Docker, Kubernetes) is common. Problem-solving ability, attention to detail, and effective communication are vital soft skills for this role. These skills and qualities are essential for building robust, scalable systems and collaborating efficiently within development teams.

What is the difference between Backend Engineer vs Software Developer?

AspectBackend EngineerSoftware Developer
Primary FocusDesigning, building, and maintaining server-side applications and databasesDeveloping software across various layers, including frontend and backend
Skills & CertificationsProficiency in server-side languages (e.g., Java, Python), databases, APIsProficiency in multiple programming languages, software design, and sometimes frontend skills
Work EnvironmentTypically in backend teams, working on server infrastructure and APIsCan work on full-stack or specific areas; broader scope
Industry UsageCommon in tech companies, startups, and enterprises focusing on backend systemsWidespread across all software development sectors

While both roles involve coding and software development, Backend Engineers specialize in server-side logic, databases, and APIs, whereas Software Developers may work on both frontend and backend components. The roles often overlap, but Backend Engineers focus more on the infrastructure that powers applications.

What are Backend Engineers?

Backend Engineers are software developers who focus on building and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They ensure that the data requested by the frontend systems is delivered efficiently and securely. Their work involves writing code in languages like Python, Java, or Node.js, integrating with databases, and optimizing the overall performance of applications. Backend Engineers also play a crucial role in ensuring data integrity and implementing security best practices.
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Backend Engineer jobs near you
Backend Engineer

Backend Engineer

Nexusflow.ai Inc.

Palo Alto, CA

Full-time

Re-posted 8 days ago

Job description

About Nexusflow.ai

Modern enterprise copilots & agents call for last-mile quality, enterprise-grade robustness and scalable operation costs, beyond simplified programming interfaces for generative AI. Nexusflow tackles this challenge, enabling enterprises to own their workflow copilots & agents stacked on top of powerful yet cost-effective, compact LLMs. We train large language models and build last-mile quality dev tooling for copilots & agents on your enterprise workflows. Our team has built the open-source LLM, NexusRaven-V2, rivaling GPT-4 in function calling with a 100X smaller model size. Our team members are also behind the scenes of Starling, the #1 ranked compact 7B chat model based on human evaluation in Chatbot Arena.

Position: Backend Engineer

Nexusflow is currently adding Backend Engineers to our team. Our Backend Engineers package up our technology in models and last-mile quality tooling. Our Backend Engineers will be the driving force to build our products and solutions, in extensive collaboration with our ML Engineers and Front-end Engineers.

Responsibilities

  • API system development for copilot & agent quality tooling

  • API system development for copilot serving and integration with a focus on enterprise-grade requirements in the following areas

    • Integration with on-prem & cloud compute vendors

    • Integration with software tools required in customer oriented solutions

  • Distributed system and optionally GPU performance optimization

  • Wear many hats and collaborate with the whole team for product development, deployment and customer success

Qualification Required

  • Experience in ML model or ML data pipeline deployment (on-prem or on cloud)

  • Experience in building backend for application or platform API systems

Preferred
  • Working experience in fast-pace team environment  

  • Experience in using or contributing to modern compute frameworks for LLMs (e.g. Deepspeed, Huggingface TGI, FSDP)

  • Experience in projects involving LLMs

Apply