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3,673 senior backend engineer jobs at 1,650 companies in United States

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Senior Backend Engineer
Colorado Springs, Colorado, United States
$160k-$185k/yr HybridFull Time
Sphinx Defense
Sphinx Defense: Private aerospace software building secure satellite-operations and ground-data systems for government and commercial space missions.
5+ YOE5+ years software engineering experience; strong Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform; cloud architecture, API/backend development, security focus, mentorship and customer integration skills.
Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform
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1w
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Senior Backend Engineer
London or New York City or Paris or London or London
HybridFull Time
SeedLegals
SeedLegals: Private UK legal-technology platform that automates fundraising, cap-table, and business legal documents for startups and small businesses.
5+ YOESenior backend engineering experience with Kotlin, Spring, high-performance APIs, code reviews, software engineering best practices, test-driven development, and full development lifecycle ownership.
Kotlin, Spring, Claude, LLMs, Kotlin, Spring
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2mo
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Senior Backend Engineer
San Francisco, California, United States
OnsiteFull Time
Slope
Slope: Private fintech platform that helps B2B businesses accept payments, access credit, and automate underwriting and order-to-cash workflows.
5+ YOE5+ years backend experience; strong Node.js/TypeScript and Python skills; strong SQL and relational/database/ETL experience; API and service design; experience productionizing models and working with data science and risk teams.
Node.js, TypeScript, Python, SQL, Postgres, Snowflake, AWS
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Senior Backend Engineer
United States or North America or South America or Europe
RemoteFull Time
Sequencing.com
Sequencing.com: Consumer genomics combining whole-genome sequencing, DNA storage, and personalized health reports for individuals.
5+ YOE5+ years building production backend systems; expert TypeScript; experience with large-scale data processing, distributed systems, PostgreSQL/OLTP and DuckDB/OLAP; familiarity with async event systems (SQS, RabbitMQ, BullMQ).
TypeScript, Apache Spark, DuckDB, PostgreSQL, Qdrant, Redis, AWS SQS, RabbitMQ, BullMQ, Rust, Scala, Python, Anthropic, OpenAI, Bedrock, Google AI, Langfuse, LangSmith, Temporal
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4w
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Senior Backend Engineer, Platform Readiness
Canada or United States
RemoteFull Time
GitLab
GitLabNASDAQ: GTLB: Intelligent orchestration platform for DevSecOps and software development.
Strong backend engineering with cloud-native and deployment architecture experience; systems thinking; collaborative platform engineering skills.
Kubernetes, GitLab, CI
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4d
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Senior Backend Developer
Framingham, Massachusetts, United States
$100k-$150k/yr RemoteFull Time
Bright Vision Technologies
Bright Vision Technologies: AI-powered enterprise automation and software development firm.
6+ YOEBachelor’s or Master’s degree in a related technical field, 6+ years of backend or platform engineering experience, distributed systems expertise, and proficiency in a major backend language.
Java, Go, Scala, Rust, C++, Kafka, Pulsar, NATS, Kubernetes
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1mo
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Senior Backend Engineer
Cary or Washington
$162k-$238k/yr OnsiteFull Time
Epic Games
Epic Games: Developer of video games and real-time 3D creation tools.
4+ YOE4+ years building secure, scalable web applications; experience with backend Java/Scala, frontend frameworks, cloud, and relational/NoSQL databases.
Java, Scala, AWS, MongoDB, Dynamo, Redis, React, Vue, Angular
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2mo
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Senior Backend Engineer
New York or United States
RemoteFull Time
Astra
Astra: Fintech payments infrastructure providing APIs and automation for businesses to move money instantly across payment rails.
5+ YOE5+ years building production backend systems, strong systems engineering, Python experience, distributed systems and microservices, Google Cloud Platform familiarity, BS in CS/Engineering required, MS preferred.
Python, Google Cloud Platform, SQL, NoSQL
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2w
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Senior Backend Engineer
Vienna, Virginia, United States
OnsiteFull Time
Antithesis
Antithesis: Software reliability platform that autonomously tests mission-critical systems for engineering teams.
5+ YOE5+ years of software engineering experience; expertise in APIs, services, storage or data-intensive backend systems, distributed systems, correctness, testing, and system performance.
Rust, C, C++
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2w
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Senior Backend Engineer
Dallas, Texas, United States
RemoteFull Time
Steer Health
Steer Health: AI-native healthcare operations software helping hospitals and medical groups capture patients, automate workflows, and recover revenue.
5+ YOERequires 5+ years of backend engineering experience, expert Node.js and TypeScript, Kafka architecture, MongoDB at scale, API design, testing, documentation, and production system ownership.
Node.js, TypeScript, Kafka, MongoDB, Next.js, AWS, Docker, Kubernetes, Redis, LLM, FHIR, HL7, HIPAA, EHR, PHI
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1mo
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Senior Backend Engineer - Application Access
United States
$189k-$342k/yr RemoteFull Time
Teleport
Teleport: Private infrastructure-identity software securing human, machine, workload, and AI access for engineering teams.
Product-oriented backend engineering experience with Go, Linux systems, web fundamentals, OAuth; experience building scalable, resilient distributed services and security features.
Go, Linux, OAuth, GitHub, Slack
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2w
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Senior Backend Engineer
Norwalk, Connecticut, United States
OnsiteFull Time
Oxbridge Health
Oxbridge Health: Episode-based health insurance for self-funded employers, providing guaranteed prices and broad provider choice.
7+ YOERequires 7+ years of backend engineering experience, expert AWS serverless and Python skills, distributed systems expertise, REST API development, databases, CI/CD, and technical leadership.
AWS, AWS Lambda, Amazon API Gateway, Amazon SQS, Amazon SNS, Amazon DynamoDB, AWS Step Functions, Amazon EventBridge, Apache Kafka, Python, PostgreSQL, Amazon RDS, GitHub Actions, HIPAA, RESTful APIs, TDD, IaC, CI/CD
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1mo
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Senior Backend Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time
Mochi Health
Mochi Health: Private telehealth serving patients with personalized virtual clinical care, weight management, and treatments across 120+ conditions.
5+ YOE5+ years backend engineering experience, strong distributed systems and data modeling skills, experience owning infrastructure (Kubernetes, Terraform, AWS), proficiency with TypeScript/Node.js, excellent communication.
TypeScript, Node.js, Express, PostgreSQL, Redis, Kubernetes, Terraform, AWS, Codex 5.3, Claude Opus 4.6
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Senior Backend Engineer
Minneapolis, Minnesota, United States
$120k-$140k/yr RemoteFull Time
In Tandem
In Tandem: Global family-technology platform helping parents, caregivers, and professionals manage routines, communication-parenting, and custody.
5+ YOE5+ years production backend engineering with a statically typed language, AI-native spec-driven development, experience orchestrating AI coding agents, strong systems and API design judgment.
Java, Spring, Kotlin, C#, Go, React, iOS, Android, Claude Code, Cursor, GitHub Copilot Agent, OpenAI Codex, MCP, Docker, Kubernetes, Bitbucket Pipelines, Jira, Confluence, Confluent Cloud, Kafka, Hibernate
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2mo
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Senior Backend Engineer
New York City, New York, United States
HybridFull Time
ZeroDrift
ZeroDrift: ZeroDrift is a private AI compliance software helping regulated enterprises enforce policies before communications are sent.
5+ YOE5+ years building production backends at scale; expertise in a modern backend language, APIs, distributed systems, databases, queues, caching, cloud, containers, and CI/CD.
Go, Python, Java, Node, SDKs, APIs, CI/CD
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2mo
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Senior Backend Engineer
New York City or United States or Canada
RemoteFull Time
Moonshot
Moonshot: Private U.S. fintech operating a mobile app that lets users discover, buy, and sell memecoins.
5+ YOE5+ years backend/platform engineering experience building high-scale, highly available systems; deep expertise in auth, financial systems, or blockchain infrastructure; strong distributed-systems and operational skills.
Flutter, React Native, React, Go, Rust, Solana, Google Cloud, Amazon Web Services
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1mo
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Senior Backend Engineer
United States
$150k-$200k/yr RemoteFull Time
Novellia
Novellia: Patient-powered health-data giving U.S. patients unified medical records and providing de-identified longitudinal data for biopharma research.
5+ YOEBachelor's in CS/Engineering/Math or equivalent,5+ years backend development,experience with distributed systems,cloud platforms,APIs,relational databases,LLM/AI integration and strong problem-solving skills.
Python, Node.js, Java, AWS, GCP, Azure, LangChain, LlamaIndex, FHIR, Large Language Models (LLMs)
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Senior Backend Engineer, Trust & Safety
New York City, New York, United States
OnsiteFull Time
Polymarket
Polymarket: Private blockchain-based prediction market platform where users trade on outcomes of real-world events.
Backend engineer experienced building detection, monitoring, and case-management systems for AML/KYC/sanctions; integrating surveillance platforms; modeling and reconciling financial data; partnering with Compliance and Risk.
Eventus, Palantir, S3
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1mo
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Senior Backend Engineer, Security Controls
United States
$188k-$209k/yr RemoteFull Time
Horizon3.ai
Horizon3.ai: Private cybersecurity providing organizations with continuous autonomous penetration testing.
7+ YOEBachelor's degree,7+ years software engineering experience,expert SQL,GraphQL,cloud (AWS/Azure/GCP),Docker/Kubernetes,EDR telemetry knowledge,ability to design ETL and backend APIs.
Python, Java, Go, Scala, C++, TypeScript, AWS, Azure, GCP, Docker, Kubernetes, SQL, PostgreSQL, Neo4j, GraphQL, CrowdStrike, SentinelOne, Microsoft Defender
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1mo
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Senior Backend Engineer
United States
$120k-$190k/yr RemoteFull Time
Nametag
Nametag: Private U.S. identity verification and account protection software serving enterprises and their employees and customers.
5+ YOE5+ years building production backend systems; strong experience with Node.js/Go/Python/Java, API and database design (PostgreSQL preferred), AWS, authentication/authorization, security-minded engineering; US work authorization required.
Node.js, Go, Python, Java, PostgreSQL, AWS, React, Vue, OAuth, SAML, SSO, JWTs
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