3,511 senior backend developer jobs at 1,610 companies in United States
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Senior Backend Engineer
London or New York City or Paris or London or London
HybridFull Time
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.
Yerevan or New York City or Israel or Ukraine or Armenia
RemoteFull Time
Commit: Provides custom software, IT, cloud, and cybersecurity services.
5+ YOE5+ years backend development (Python, JavaScript), building and operating production SaaS services, designing scalable architectures and data pipelines, driving projects end-to-end, and using AI/LLMs in development workflows.
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.
Techsa: Private software development serving businesses with industrial IoT, digital transformation, analytics, and sustainability solutions.
Backend development expertise with Java, Spring Boot, microservices, REST APIs, Kafka, databases, Docker, Kubernetes, testing, Git, and agile practices.
Arxlight: Arxlight is a private defense-technology startup developing interceptor drones for U.S. and international customers.
Requires Linux expertise, backend or systems development in Python, C++, Go, TypeScript, or similar languages, networking, Docker, Systemd, Git, and AI coding tools.
Copenhagen or Dallas or Dubai or London or Miami or Pune or Buenos Aires or Bogota or Mexico or Singapore
OnsiteFull Time
CellPoint Digital: Private fintech providing payment orchestration and digital commerce platforms for airlines, travel businesses, hospitality, and merchants.
Experienced backend engineer with strong production experience building distributed systems, preferably using Go; familiarity with microservices, event-driven architecture, REST APIs, CI/CD, Docker/Kubernetes, cloud platforms, and AI-assisted development tools.
Go (Golang), Google Cloud Platform (GCP), Temporal, Docker, Kubernetes, CI/CD pipelines, GitHub Copilot, Cursor, Claude Code, ChatGPT, Windsurf, VS Code, JetBrains, Microsoft Azure, AWS
Dragos: Private industrial cybersecurity providing OT/ICS software, threat intelligence, and services to critical-infrastructure operators.
5+ YOE5+ years backend development experience, cybersecurity background, strong Rust skills, 3+ years with Postgres, Elasticsearch, and microservices; experience integrating devices and AI tooling.
Fundraise Up: Unlocking the world's generosity potential by optimizing how people give.
7+ YOE7+ years backend development experience with Node.js, TypeScript, MongoDB or NoSQL, distributed systems, Kafka or Bull/Redis, ClickHouse or similar analytics databases, Elasticsearch, and system design.
Vay: German remote-driving mobility offering affordable, door-to-door electric car rentals and B2B teledriving technology.
Bachelor's in STEM, strong backend experience (Golang preferred), cloud/distributed systems, event-driven messaging, CI/CD, PostgreSQL and API development; strong algorithms and systems fundamentals.
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.
Tel Aviv-Yafo or Jerusalem or Israel or United States
OnsiteFull Time
Fullpath: AI-powered customer data platform and agentic CRM provider serving automotive dealerships.
7+ YOEB.Sc. in Computer Science or related, 7+ years backend development with at least one technical lead role, strong SQL (PostgreSQL/MySQL), cloud experience (AWS preferred), microservices, web development, daily use of AI, and fluent Hebrew and English.
PostgreSQL, MySQL, SQL, AWS, Google APIs, Facebook APIs, Microsoft APIs, Customer Data Platform (CDP), AI
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.
Tel Aviv-Yafo or United States or Netherlands or London
OnsiteFull Time
Noma Security: Security platform helping enterprises discover, govern, test, and protect AI applications and agents.
7+ YOE7+ years backend development experience; hands-on with Go, Docker, Kubernetes, Temporal; experience with cloud, observability, and integrating AI/LLM platforms; strong system design, reliability, and production debugging skills.
Kizen: The Agentic Orchestration System That Powers What’s Possible.
5+ YOEBachelor's in CS or related, 5+ years professional development (Python preferred), experience shipping LLM-enabled features, Django and modern backend stack experience, strong collaboration and problem-solving skills.
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)
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.
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
Aircall: Private B2B SaaS providing AI-powered cloud communications software for business sales and support teams.
6+ YOE6+ years backend development with a typed language (TypeScript preferred), production AWS experience, infrastructure-as-code (CloudFormation or Terraform), security-first mindset, serverless experience, GraphQL a plus, on-call rotation and mentoring experience.
United States or Canada or Brazil or United Kingdom or Switzerland or Mexico or Argentina or Chile or Uruguay or Europe or North America
$120k-$200k/yrRemoteFull Time
Nango: N open-source developer platform helping teams build product integrations with AI.
5+ YOE5+ years (Senior) or 10+ years (Staff) backend experience; proven ability to scale high-traffic systems; experience with developer infrastructure, APIs and databases; comfortable with Node.js; strong communication and product mindset. Remote in North America, LATAM, or Europe.
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.
Cloudbeds: Hospitality software serving independent hotels, hotel groups, and multi-property lodging portfolios.
5+ YOE5+ years PHP backend experience, relational DB and API design expertise, strong testing and Git skills, English fluency, performance and scalability focus.