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Backend Infrastructure Engineer Jobs (NOW HIRING)

FlexAI

Senior Backend Engineer

Santa Clara, CA · On-site

Required : • 5+ years of Backend or Infrastructure Engineering experience • Expert-level ... proficiency in Golang (must-have, heavy hands-on) • Strong experience building production-grade ...

Apple Inc.

$80K - $108K/yr

Design, develop, and operate the large-scale backend infrastructure that powers Apple's information ... Strong software engineering fundamentals in data structures, algorithms, and system design * BS, MS ...

BluJuniper, Inc.

Lead Backend Engineer

Washington, DC · On-site

Build backend infrastructure for authentication, authorization, role based access control, and ... Review code, mentor engineers, establish engineering standards, and help the team make sound ...

FlexAI

Senior Backend Engineer

Santa Clara, CA · On-site

The FlexAI Compute Infrastructure Platform provides an "end-to-end AI compute layer" for running ... As a Senior Backend Engineer , you'll drive backend architecture, scale platform services, and ...

Anytime AI Inc.

Infrastructure Engineer

Manhattan, NY · On-site

$118K - $155K/yr

Position Overview As an Infrastructure Engineer, you will play a pivotal role in building and ... Collaborate closely with product managers, designers, and backend engineers to translate complex ...

Anytime AI

Infrastructure Engineer

OR · Remote

$100K - $200K/yr

Position Overview As an Infrastructure Engineer, you will play a pivotal role in building and ... Collaborate closely with product managers, designers, and backend engineers to translate complex ...

Bedrock Talent

Staff Backend Engineer

Boston, MA · On-site

Staff Backend Engineer Boston, MA (Hybrid) About Bedrock Talent At Bedrock Talent, we're ... Their platform combines cutting-edge machine learning with developer-first infrastructure to power ...

FlexAI

Senior Backend Engineer

San Jose, CA · On-site

$180K - $225K/yr

The FlexAI Compute Infrastructure Platform provides an "end-to-end AI compute layer" for running ... As a Senior Backend Engineer , you'll drive backend architecture, scale platform services, and ...

Nomadic AI

About the Role We're looking for a Backend / Infrastructure Engineer who thrives at the intersection of cloud systems, SDK design, and large-scale inference infrastructure . You'll build and scale ...

Hired Recruiters

Senior Web Engineer (React)

Austin, TX · On-site +1

$130K - $180K/yr

As the senior backend and infrastructure engineer, you will provide insight into how we can optimize our backend infrastructure as we continue to expand. As a chat application, our backend needs to ...

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Backend Infrastructure Engineer information

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$60.5K

$147.7K

$199K

How much do backend infrastructure engineer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for backend infrastructure 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 does a backend infrastructure engineer do?

A Backend Infrastructure Engineer is responsible for designing, building, and maintaining the foundational systems and services that support software applications. They focus on scalability, reliability, security, and performance of backend systems, such as databases, servers, APIs, and cloud platforms. Their work ensures that applications can handle large amounts of data and traffic efficiently, and they often collaborate with other engineers to deploy and monitor these services. Additionally, they may automate infrastructure processes and implement best practices for system architecture and monitoring.

What are the key skills and qualifications needed to thrive as a backend infrastructure engineer?

To thrive as a Backend Infrastructure Engineer, you need a deep understanding of server-side languages, distributed systems, network protocols, and a relevant degree in computer science or engineering. Familiarity with cloud platforms (such as AWS, GCP, or Azure), containerization tools like Docker and Kubernetes, and CI/CD pipelines is typically required. Strong problem-solving abilities, attention to detail, and effective communication help engineers collaborate and respond to complex technical challenges. These skills and qualities are essential for building, maintaining, and scaling reliable backend systems that support business operations.

What are some common challenges faced by backend infrastructure engineers in scaling systems to support rapid user growth?

Backend Infrastructure Engineers often encounter challenges in ensuring systems can scale efficiently as user demand increases. This includes addressing bottlenecks in databases, optimizing server performance, implementing effective load balancing, and maintaining high availability. Collaboration with frontend engineers, DevOps, and product teams is crucial to proactively identify scaling issues and to deploy solutions that minimize downtime. Staying updated with evolving infrastructure technologies also helps engineers anticipate and mitigate scaling-related challenges.

What is the difference between Backend Infrastructure Engineer vs Backend Developer?

AspectBackend Infrastructure EngineerBackend Developer
Primary FocusDesigning, building, and maintaining the infrastructure that supports backend systems, including servers, databases, and cloud services.Developing and maintaining the application logic, APIs, and server-side code for web applications.
Required SkillsCloud platforms, server management, networking, scripting, infrastructure automationProgramming languages (e.g., Java, Python), API development, database management
Work EnvironmentSystems and infrastructure teams, cloud environments, DevOps pipelinesApplication development teams, software engineering environments

While both roles work on backend systems, the Backend Infrastructure Engineer focuses on the underlying infrastructure and deployment environment, whereas the Backend Developer concentrates on coding and application logic. Both roles are essential for robust backend systems but serve different aspects of the development lifecycle.

More about Backend Infrastructure Engineer jobs

What are popular job titles related to Backend Infrastructure Engineer jobs?

For Backend Infrastructure Engineer jobs, the most frequently searched job titles are:

Backend Infrastructure Engineer jobs near you
Infographic showing various Backend Infrastructure Engineer job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 87% Full Time, 9% Part Time, and 3% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $147,662 per year, or $71 per hour.

Senior Backend Engineer

Santa Clara, CA • On-site

FlexAI
See more jobs at FlexAIexternal

Full-time

Re-posted 9 days ago

Job description

Job Summary:
FlexAI is a company focused on building and deploying AI solutions. They are seeking a Senior Backend Engineer to architect and develop high-performance backend systems for their AI compute and PaaS platform, working at the intersection of distributed systems and cloud infrastructure.
Responsibilities:
• Architect and develop high-performance Golang services for FlexAI's AI PaaS and infrastructure platform
• Build internal APIs powering model deployment, job scheduling, and compute lifecycle management
• Develop components interfacing with GPU/compute infrastructure and AI runtimes
• Design and scale microservices and event-driven systems for high-throughput AI workloads
• Optimize for low latency, high concurrency, and fault tolerance
• Implement service-to-service communication (gRPC/REST, message queues, async pipelines)
• Drive reliability, observability, and resilience across services
• Collaborate with AI/ML and Runtime teams to integrate systems with training pipelines, inference infrastructure, experimentation workflows, and dataset/artifact management
• Enable orchestration across cloud and on-prem environments
• Build abstractions that simplify AI infrastructure consumption
• Design cloud-native, Kubernetes-native services
• Work with DevOps/SRE on CI/CD, deployment automation, and scalability
• Contribute to architecture decisions for multi-region, multi-cloud infrastructure
• Improve monitoring, logging, and diagnostics
• Lead architecture reviews and set engineering standards
• Mentor engineers and guide complex problem-solving
• Drive long-term roadmap for backend infrastructure and AI platform capabilities
• Partner with Product, Runtime, and Infra leadership to translate requirements into scalable systems
Qualifications:
Required:
• 5+ years of Backend or Infrastructure Engineering experience
• Expert-level proficiency in Golang (must-have, heavy hands-on)
• Strong experience building production-grade distributed systems
• Proven track record on infrastructure platforms, PaaS, or deep-tech systems
• Deep understanding of cloud-native architectures and containerized environments
• Strong experience with Kubernetes, Docker, and cluster orchestration
• Experience with distributed databases (PostgreSQL, Cassandra, DynamoDB, etc.)
• Strong understanding of caching, queues, and streaming systems (Redis, Kafka, etc.)
Preferred:
• Familiarity with compute scheduling, resource management, or platform runtimes is a strong plus
• Experience on AI/ML platforms, model infrastructure, or data platforms
• Familiarity with ML pipelines, inference systems, or GPU-backed workloads
• Exposure to PyTorch, TensorFlow infrastructure, or model serving systems is a plus
Company:
AI infrastructure that adapts as you grow Founded in 2023, the company is headquartered in Paris, FRA, with a team of 11-50 employees. The company is currently Early Stage.

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