5,953 backend jobs at 2,488 companies in United States

2mo
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Backend Engineer
United States
$140k-$240k/yr RemoteFull Time
Bayview Asset Management
Bayview Asset Management: Investment management firm specializing in credit and mortgage assets.
3+ YOEStrong backend engineer with experience designing, building, and operating production-grade backend services; proficient in multiple languages and distributed systems.
Python, Go, C++, Rust, Java, Kotlin, Scala, TypeScript, C#, AWS, GCP, Azure
2mo
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Backend Engineer
San Francisco, California, United States
$190k-$230k/yr OnsiteFull Time
Lapel
Lapel: Unifying customer data to power personalized service at scale.
3+ YOE3+ years backend or software engineering; API design; backend architecture; Node.js/Python/Go; PostgreSQL/MySQL; scalable systems; customer-focused.
Node.js, Python, Go, PostgreSQL, MySQL, TypeScript, Temporal, Pulsar
3mo
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Backend Engineer
United States
RemotePart Time, Full Time
SwapRail
SwapRail: Building a self-custody wallet for secure cross-chain swaps.
Backend engineer with Node.js/TypeScript/Go/Rust; build high-performance backend systems; distributed async systems; PostgreSQL; microservices; blockchain data integration.
Node.js, TypeScript, Go, Rust, PostgreSQL, Redis
1w
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Backend Engineer
United States or Greece
$90k-$150k/yr RemoteFull Time
Clerkie
Clerkie: AI-powered debt recovery and financial wellness platform.
Experience building and shipping backend systems, strong system design and backend fundamentals, proficiency with JavaScript/Node.js and NoSQL (MongoDB), ability to own projects and communicate across teams.
JavaScript, Node.js, MongoDB, AWS, EC2, S3, Coda, Google Meet, Coderbyte
20h
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Backend Engineer
Washington, District of Columbia, United States
$121k-$165k/yr OnsiteFull Time
The Nuclear Company
The Nuclear Company: Deploys standardized nuclear reactors for utility-scale energy generation.
5+ YOE5+ years building production backend systems and APIs; strong skills in backend languages; experience with databases, cloud (AWS preferred), CI/CD, testing, security, and reliability.
Python, Go, Java, TypeScript, AWS, CI/CD, NOS
1mo
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Backend Engineer
Ramat Gan or Tel Aviv-Yafo or New York City or London or Lisbon
HybridFull Time
Shield
Shield: Compliance platform for monitoring employee digital communications in finance.
3+ YOE3+ years backend experience, 1+ year Java, experience with multiple backend languages, two or more data stores, event-driven architecture and message brokers, cloud (AWS/GCP/Azure) experience, and frequent use of AI tools.
Java, Go, Python, C#, TypeScript, MySQL, PostgreSQL, MongoDB, Elasticsearch, Redis, Kafka, RabbitMQ, AWS, GCP, Azure
2mo
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Backend Engineer
San Francisco, California, United States
$140k-$290k/yr OnsiteFull Time
Paraform
Paraform: Marketplace connecting hiring companies with specialized recruiters and AI.
Deep backend expertise; pragmatic, operationally minded, high ownership; experience building production services, databases, and integrations.
PostgreSQL, REST APIs, CI/CD, Git, Authentication, Observability
3mo
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Backend Engineer
San Francisco, California, United States
$190k-$220k/yr OnsiteFull Time
Wordware
Wordware: Full-stack operating system for building AI applications.
Senior backend-leaning full-stack engineer; onsite in San Francisco; full-time; $190k-$220k; US-based or relocation.
TypeScript, React, Next.js, Node.js, PostgreSQL, Cloudflare, AWS, AI model integrations
2mo
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Backend Engineer
Beaverton, Oregon, United States
RemoteFull Time
Oneleet
Oneleet: Provides an all-in-one cybersecurity and compliance automation platform.
5+ YOE5+ years in Go with REST API design; PostgreSQL optimization; third-party integrations; startup experience; strong communication; SaaS backend architecture.
Go, PostgreSQL, REST APIs, gRPC, TypeScript, SaaS, Observability, Distributed Systems
3mo
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Backend engineer
San Jose, California, United States
$150k-$200k/yr RemoteFull Time
Protocol Nine
Protocol Nine: Building AI-native security infrastructure for threat detection and response.
4+ YOE4+ years building backend or distributed systems; strong in Python, Go, Java, or TypeScript; experience operating production systems and building APIs/integrations.
Python, Go, Java, TypeScript, REST
2mo
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Backend Engineer
San Mateo, California, United States
OnsiteFull Time
Luminary Cloud
Luminary Cloud: Cloud-native physics simulation platform for accelerated product engineering.
10+ YOE10+ years building high-performance backend systems; Kubernetes expertise; SaaS focus; cloud infrastructure and security; leadership and mentoring; strong communication.
Kubernetes, Docker, GCP, CI/CD
3mo
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Senior Backend Engineer
San Francisco, California, United States
OnsiteFull Time
Sirius Technology: AI-powered retention platform for subscription-based businesses.
5+ YOE5+ years backend experience; server-side programming; API development; scalable, database-driven applications; production systems.
Backend frameworks, APIs, Databases
4w
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Backend Engineer
United States or Denmark
RemoteFull Time
Clinical Ink
Clinical Ink: Clinical trial software for electronic data collection and management.
Backend development with strong programming fundamentals; experience with Python, APIs, databases/SQL, version control, testing; familiarity with healthcare data and regulated environments preferred.
Python, FastAPI, SQLAlchemy, Postgres, SQL, AWS, CloudWatch, Sentry, FHIR
1mo
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Backend Developer
Boise, Idaho, United States
OnsiteFull Time
Landlord Tech
Landlord Tech: Animal management and compliance platform for property managers.
4+ YOE4+ years backend development experience with Java; experience with PostgreSQL, REST APIs, Git, and Unix environments; strong problem-solving, communication, and collaborative skills.
Java, Python, PostgreSQL, Spring Boot, FastAPI, Node.js, Express, AWS, Stripe, Git, Unix, REST APIs
1d
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Backend Developer
United States
OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
Experienced Java backend developer with BigCommerce and Adobe Commerce experience, geospatial knowledge, RESTful API design, database geospatial support, and strong collaboration skills.
Java, BigCommerce, Adobe Commerce, RESTful
1d
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Backend Developer
United States
OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
Strong Java backend experience integrating geospatial components with BigCommerce and Adobe Commerce, RESTful API design, geospatial data modeling, and collaboration with product and data teams.
Java, BigCommerce, Adobe Commerce
3mo
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Backend Engineer
New York, New York, United States
$160k-$215k/yr OnsiteFull Time
Treeswift
Treeswift: Provides AI-augmented vegetation management and asset monitoring for utilities.
7+ YOE7+ years backend engineering experience; Python/Django or similar; PostgreSQL with geospatial queries; Docker, Kubernetes, AWS; OAuth2/OIDC/JWT; strong cross-functional communication.
Python, Django, PostgreSQL, PostGIS, Kubernetes, AWS, Docker, OpenAPI, Terraform, OpenTofu, CI/CD
2w
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Backend Senior
Scottsdale or Lima or Peru
HybridFull Time
Encora
EncoraNSE: COFORGE: Provides global digital engineering and software product development services.
5+ YOE5+ years backend Java experience (Java 21) with Spring Boot, REST APIs, AWS services, microservices, reactive programming, CI/CD, and banking domain experience.
Java 21, Spring Boot, AWS, Aurora MySQL, DynamoDB, EKS, MSK, SQS, AWS Batch, RxJava, Spring Data, Retrofit, JUnit, Mockito, Spock, OpenAPI, OpenSearch, Kibana, Docker, LocalStack, GitHub Copilot, Claude Code, Kiro
2w
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Backend Engineer
New York, New York, United States
HybridFull Time
Chariot
Chariot: Payment infrastructure for charitable giving and Donor Advised Funds.
4+ YOE4+ years software development experience, 2+ years backend development, proficiency with Go, Node, Docker, Terraform, Kubernetes, Postgres, REST and gRPC; bachelor’s in a technical field preferred.
Go, Node, Docker, Terraform, Kubernetes, Postgres, REST APIs, gRPC, AWS
2w
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Backend Engineer
California or United States
HybridFull Time
Arena
Arena: Benchmarks AI models using crowdsourced human preference evaluations.
5+ YOE5+ years backend experience building product-facing APIs, services, and data systems; strong Go proficiency; Postgres/Redis/data-scaling skills; product and ambiguity comfort.
Go, Postgres, Redis, Stripe, Metronome, Orb, OpenAI, Anthropic, Google, vLLM, LiteLLM, LangChain