707 senior backend engineer jobs at 391 companies in Hackensack, NJ
2mo
Save
Mark Applied
Hide
Senior Backend Engineer
New York, New York, United States
$160k-$200k/yr OnsiteFull Time
6+ YOE6+ years backend engineering; distributed systems and APIs; payment/ledger/transaction experience; Elixir and GraphQL preferred.
Elixir, GraphQL, APIs, Ledger, Payment Systems, eCommerce
2mo
Save
Mark Applied
Hide
Senior Backend Engineer
New York, New York, United States
$168k-$189k/yr HybridFull Time
4+ YOESenior backend engineer with 4+ years of experience, strong Python/Django or similar OOP experience, relational and non-relational databases, RESTful APIs, and containerization (Docker/Kubernetes).
Python, Django, C#, NET, PHP, MySQL, PostgreSQL, MSSQL, MongoDB, CosmosDB, REST, Docker, Kubernetes
2mo
Save
Mark Applied
Hide
Senior Backend Engineer
New York or United States
RemoteFull Time
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
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco or New York City
HybridFull Time
7+ YOE7+ years software engineering with heavy backend/distributed-systems responsibility; experience owning reliability, incident response, APIs, databases, cloud-native architectures, and using AI coding agents.
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
New York City or United States or Canada
RemoteFull Time
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
1w
Save
Mark Applied
Hide
Senior Backend Engineer, Trust & Safety
New York City, New York, United States
OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
TypeScript Backend Engineer
Tokyo or New York City or Singapore
RemoteFull Time
Senior backend engineer with extensive production experience building scalable TypeScript backend systems, PostgreSQL expertise, Web3 integrations, and operating high-traffic distributed services.
TypeScript, NestJS, Fastify, Express, PostgreSQL, Go, Kafka, NATS, RabbitMQ, The Graph, Subsquid, Docker
1w
Save
Mark Applied
Hide
Sr Backend Engineer
New York, New York, United States
$185k-$215k/yr HybridFull Time
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
2mo
Save
Mark Applied
Hide
Senior Backend Engineer
Yerevan or New York City or Israel or Ukraine
RemoteFull Time
5+ YOEBachelor's in CS or related, 5+ years backend experience, production-grade systems, proficiency in Node.js, SQL and NoSQL, familiarity with cloud platforms and microservices.
Node.js, SQL, NoSQL
1mo
Save
Mark Applied
Hide
Backend Engineer (Senior/Staff)
New York City, New York, United States
$175k-$225k/yr RemoteFull Time
5+ YOE5–10+ years backend engineering experience; strong backend systems, data modeling, and compliance logic; proficiency with Python (FastAPI, Pydantic, pandas, duckdb), Postgres/SQL, and AWS; strong communication and ownership.
Python, FastAPI, Pydantic, pandas, duckdb, Postgres, SQL, AWS, LLMs, Playwright
3w
Save
Mark Applied
Hide
Senior Backend Engineer
Chemnitz or Berlin or London or Sydney or Tokyo or Prague or Minneapolis or Saint Paul or New York City
HybridFull Time
5+ YOE5+ years backend experience with Go (and Java/Kotlin preferred), strong problem solving, agile experience preferred, English proficiency, collaborative and quality-focused.
React.js, Javascript, Typescript, Tailwind CSS, Kotlin, Go, Java, MongoDB, Terraform, Docker, Playwright
1w
Save
Mark Applied
Hide
Senior Backend Engineer
New York City, New York, United States
OnsiteFull Time
Proven experience owning production backend systems with emphasis on correctness, reliability, operational ownership, integration with external APIs, observability and testing; experience with distributed systems and cloud infrastructure.
AWS, Kotlin, Spring Boot, Postgres, AI coding agents
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
Romania or London or New York City or Los Angeles
$100k-$170k/yr HybridFull Time
5+ YOE5+ years building and operating production backend systems; strong Python and Django experience; SQL, Celery, GCP and Terraform experience; familiarity with LLMs, RAG pipelines and production reliability.
Python, Django, DRF, Celery, GCP, Terraform, SQL, LLMs, RAG, Flutter, Vue
2mo
Save
Mark Applied
Hide
Senior Backend Engineer - Product Platform
St. Gallen or London or New York City or Switzerland
HybridFull Time
Senior backend engineering experience, strong problem-solving and communication, PHP (or willingness to learn), TypeScript knowledge welcome, experience with scalable, secure, maintainable architectures, English fluency.
PHP, TypeScript
2mo
Save
Mark Applied
Hide
Semiotic Labs - Senior Backend Engineer
New York or San Francisco
RemoteFull Time
5+ YOE5+ years backend development in Python; async programming; deep PostgreSQL; multi-tenant data isolation; Redis; OpenTelemetry; AWS; strong system design and collaboration.
Python, FastAPI, Pydantic, Async SQLAlchemy, PostgreSQL, pgvector, Row-level security, Redis, OpenTelemetry, AWS, React, Vite
3w
Save
Mark Applied
Hide
Senior Backend Engineer, Integrations Tooling
New York, New York, United States
$160k-$200k/yr HybridFull Time
5+ YOE5+ years backend experience, CS degree or equivalent, strong systems design, experience with services/queues/data pipelines, autonomous project leadership, AI-forward thinking.
Selenium, CDP, Playwright, Python
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
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.
TypeScript, AWS, CloudFormation, Terraform, GraphQL
3mo
Save
Mark Applied
Hide
Senior Engineer, Backend
New York City, New York, United States
$160k-$250k/yr OnsiteFull Time
5+ YOE5+ years backend engineering; systems design; Python/Go/Java; API design; distributed systems; multi-tenant data isolation; security; NYC relocation.
Python, Go, Java
1w
Save
Mark Applied
Hide
Senior Backend Engineer (ML)
New York City, New York, United States
$200k-$230k/yr HybridFull Time
4+ YOE4+ years building production distributed systems or data infrastructure; strong backend fundamentals; proficiency in Python and TypeScript; hands-on AWS and PostgreSQL experience; observability and incident response skills.
Python, TypeScript, AWS, PostgreSQL, vLLM, SGLang, TensorRT, k8s
1mo
Save
Mark Applied
Hide
Senior Backend Engineer, Ambient AI
Mountain View or San Francisco or New York City
$170k-$230k/yr OnsiteFull Time
Professional software development experience; strong backend skills with Python and web frameworks; experience with containers and cloud (Docker, Kubernetes); production systems, alerting, metrics, and SRE practices; leadership and customer-facing experience.
Python, Flask, Django, FastAPIs, Docker, Kubernetes, LLMs, EHRs
Explore Jobs