3,590 backend engineer sr jobs at 1,661 companies in United States

1w
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Sr Backend Engineer
New York, New York, United States
$185k-$215k/yr HybridFull Time
Slang AI
Slang AI: AI-powered voice platform for restaurant guest communications and reservations.
5+ YOE5+ years backend experience, strong OO fundamentals, experience with REST/GraphQL, containerization and cloud (GCP), observability, and mentoring other engineers; Kotlin and telephony/voice AI experience preferred.
Kotlin, React, TypeScript, Slack, GitHub, Docker, Google Cloud Platform (GCP), Firestore, Cloud Run, Cloud Functions, Pub/Sub, Terraform, Twilio, Telnyx, GraphQL
3w
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Sr Backend Engineer
San Francisco or New York
$167k-$219k/yr HybridFull Time
Quizlet
Quizlet: Digital learning platform providing study tools and flashcards.
4+ YOE4+ years backend or data engineering experience; strong SQL and data warehouse experience; proficiency in Python/Java/Scala; Elasticsearch/OpenSearch experience; experience building production data pipelines and backend services.
Elasticsearch, OpenSearch, SQL, Snowflake, BigQuery, Redshift, Python, Java, Scala, Airflow, Dagster, Prefect, dbt, REST, gRPC, Datadog, Prometheus, Grafana, Docker, Kubernetes, AWS, GCP, Azure, Spark, Kafka, Flink, FAISS, ScaNN, pgvector, LightGBM, XGBoost, BM25, HNSW, kNN
2mo
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Sr. Backend Engineer
Jersey City or New Jersey or New York
$160k-$190k/yr HybridFull Time
Sunbit
Sunbit: Financial technology platform for point-of-sale consumer financing.
5+ YOE5+ years software engineering; Bachelor’s in CS or related; hands-on Kotlin, Java, or Scala; Spring Framework; relational and non-relational DBs (MySQL, MongoDB); microservices and message queues (Kafka, SQS, RabbitMQ); strong testing and observability.
Kotlin, Java, Scala, Spring Framework, MySQL, MongoDB, Kafka, SQS, RabbitMQ
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Sr. Backend Engineer
Beaverton, Oregon, United States
OnsiteFull Time
Concora Credit
Concora Credit: Provides credit card and financing solutions for non-prime consumers.
8+ YOE8+ years backend engineering experience with C#, .NET, APIs, databases, CI/CD, and cloud (AWS/Azure); strong testing, design, and communication skills.
C#, ASP/ASP.Net, .NET Core, RESTful API, JSON, jQuery, Python, Microsoft SQL Server, No-SQL databases, React, Drupal/PHP, CMS, Azure Service Bus, Azure Event Grid, Azure Functions, Data Lake, AWS, Azure, Azure DevOps Pipeline, Terraform, TeamCity, Jenkins, Concourse, Hudson, Bamboo
1mo
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Sr. Backend Engineer
United States
$160k-$185k/yr RemoteFull Time
Sphinx Defense
Sphinx Defense: Develops software for secure satellite and space mission operations.
5+ YOE5+ years software engineering experience; strong with Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform; cloud and API/backend architecture, security mindset, mentorship and customer interaction skills.
Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform
2d
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Sr. Backend Engineer
Søborg or United States
OnsiteFull Time
Clinical Ink
Clinical Ink: Clinical trial software for electronic data collection and management.
Strong backend experience with Python, FastAPI, SQLAlchemy/Postgres, API design, observability, infra/IaC (Terraform/AWS), production ownership, mentoring, and familiarity with healthcare/regulatory domains.
Python, FastAPI, SQLAlchemy, Postgres, OAuth, webhooks, Terraform, AWS, Snowflake, dbt, Flutter, FHIR, Withings, Polar, Whoop, Fitbit, Apple Health, Health Connect
2mo
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Sr. Backend Developer
Richardson, Texas, United States
$115k-$135k/yr HybridFull Time
Systemates
SystematesNasdaq Stockholm: HEXA B: Construction project management software for capital project owners.
5+ YOE5+ years backend software development; expert C#/.NET; Azure SQL; REST APIs; Azure cloud; ReactJS collaboration; code reviews; tests; mentor.
C#, .NET, Azure SQL, Azure DevOps, Azure, ReactJS
2mo
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Sr. Backend Engineer (Hybrid, Austin)
Austin, Texas, United States
$140k-$215k/yr HybridFull Time
CrowdStrike
CrowdStrikeNASDAQ: CRWD: Provides cloud-native endpoint protection and cybersecurity services.
Design, develop, test, and maintain large-scale backend services; ensure scalability and reliability; collaborate with multiple teams; implement features for Kestrel platform using Go, Python, and modern tech.
Go, Python, Git, Cassandra, Kafka, OpenSearch, Kubernetes, PostgreSQL, Redis, AWS
1mo
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Backend Engineer
Seattle, Washington, United States
$160k-$175k/yr HybridFull Time
FlowPlay
FlowPlay: Develops and publishes social casino games and virtual worlds.
5+ YOE5+ years Java backend experience, proficiency with MySQL, EMR not referenced, familiarity with cloud (AWS or GCP), RESTful API design, version control (SVN/Git); Bachelor's in CS or related preferred.
Java, Spring Boot, MySQL, AWS, GCP, RESTful API, Apache SVN, Git, Docker, Kubernetes, PostgreSQL, Oracle, NoSQL
1mo
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SR Backend Engineer
United States
RemoteFull Time
Sphere Labs
Sphere Labs: Building compliance-native infrastructure for global cross-border stablecoin payments.
6+ YOE6+ years software engineering experience; experience taking products to production; familiarity or willingness to learn TypeScript, GCS, PostgreSQL; strong problem-solving and communication skills.
TypeScript, GCS, PostgreSQL
1mo
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Sr. Backend Engineer, Infrastructure team
New York, New York, United States
$150k-$200k/yr OnsiteFull Time
Pinwheel
Pinwheel: API for payroll connectivity and income data verification.
3+ YOE3+ years backend engineering and 2+ years platform/infrastructure experience; strong Python and/or Go; Kubernetes, cloud (AWS/Azure/GCP), Terraform, Helm, GitOps, CI/CD, and observability experience; security and PKI familiarity.
Go, Python, Kubernetes, Terraform, Helm, Flux, ArgoCD, CircleCI, GitHub Actions, Datadog, Prometheus, Grafana, AWS, Azure, GCP, Public Key Infrastructure (PKI), mTLS, MCP servers, GitOps
1mo
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Backend Engineer - Extensions
Europe or Tel Aviv or United States
RemoteFull Time
Fundamental
Fundamental: An AI building foundation models and tooling to improve enterprise decision-making.
5+ YOE5+ years backend engineering experience with strong Python skills, production distributed systems experience, concurrency and workflow orchestration knowledge, and ability to ship reproducible, observable production systems.
Python, Temporal, Dramatiq, Celery, Kubernetes, NEXUS
1w
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Sr. Backend Engineer
New York or Sunnyvale or Berkeley Heights or Alpharetta
$128k-$216k/yr OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
10+ YOEBachelor's or equivalent,10+ years software engineering,Java/JVM and Spring Boot expertise,cloud-native/Kubernetes and Terraform experience,SQL/NoSQL schema design,REST API architecture,mentorship and on-call experience.
Java, Spring Boot, Kubernetes, Terraform, PostgreSQL, MySQL, Google Cloud Platform (GCP), GitHub Copilot, Cursor, Claude, ChatGPT
1mo
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Lead Backend Engineer
San Francisco or Lehi or Plano
$138k-$216k/yr HybridFull Time
Collective Health
Collective Health: Cloud platform for managing employer-sponsored health benefits.
10+ YOE10+ years backend engineering experience with Java and Spring Cloud, microservices and integration platform experience (Mulesoft), AI tooling familiarity, cloud (AWS/GCP), SQL/PostgreSQL, system development, and strong communication and leadership skills.
Java, Spring Cloud, Mulesoft, GitHub Copilot, Cursor, WindSurf, AWS, GCP, SQL, PostgreSQL
1w
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Principal Engineer, Backend Engineering
San Francisco, California, United States
$210k-$274k/yr OnsiteFull Time
Atlassian
AtlassianNASDAQ: TEAM: Develops software for team collaboration and project management.
Expert backend engineering to design and lead an AI proxy platform, ensure high availability, cost-efficiency, security integration, and mentor engineering teams.
Codex, Cursor, Claude Code, Rovo CLI
2mo
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Senior Backend Engineer
San Francisco, California, United States
$150k-$300k/yr OnsiteFull Time
Amari
Amari: AI agents automating document-heavy workflows for the logistics industry.
4+ YOE4–6 years backend software engineering in a high-growth startup; ownership of backend systems; strong architectural judgment; in-person SF collaboration.
1d
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Sr. Backend Engineer - Xumo
Irvine or Philadelphia
$142k-$189k/yr HybridFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
5+ YOEBachelor's degree preferred; 5+ years building Java backend servers, web service APIs, databases, and Linux systems. Requires microservices, Kubernetes, cloud, and video streaming experience.
Java, REST, SOAP, HTTP, SSL, MySQL, PostgreSQL, Oracle, MongoDB, Linux, CentOS, OSX, Docker, Kubernetes, Google Cloud, AWS, Azure, HLS, JSON, RSS, ETL, RabbitMQ, Kafka, MP4, Mpeg-Dash
1w
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Sr Backend Engineer
Atlanta or United States
RemoteContract
ProArch
ProArch: Provides managed cybersecurity, cloud, and data engineering services.
5+ YOEBS in Computer Science or related,5+ years software development,SDLC/STLC and agile experience,troubleshooting skills,experience with COTS integration,SSO/IAM and application security.
COGNOS, CRM, IVR, Oracle E-Business Suite, IBM DataStage, IBM Watson Analytics, Salesforce, PEGA, MuleSoft, FileNet, SharePoint, Oracle SOA, Pitney Bowes - EngageOne, EDIFECS - XEngine, SSO, IAM
5d
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Senior Backend Engineer
San Francisco, California, United States
$110k-$200k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
5+ YOE5+ years backend experience, proficiency in Python, FastAPI, SQL, testing with pytest, experience designing data architectures and shipping production systems, familiarity with AI-assisted coding tools.
Python, FastAPI, pytest, Claude Code, Codex, OpenCode, SQL, AWS
4d
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Senior Backend Engineer, Platform Readiness
Canada or United States
RemoteFull Time
GitLab
GitLabNASDAQ: GTLB: Unified platform for the entire software development lifecycle.
Strong backend engineering with cloud-native and deployment architecture experience; systems thinking; collaborative platform engineering skills.
Kubernetes, GitLab, CI