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Senior Software Engineer - Backend Jobs

131 Job Offers

Senior Backend Software Engineer
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Join Twenty in New York as a Senior Backend Software Engineer. Build scalable Go services and high-performance APIs for mission-critical national security cyber operations. 5+ years backend experience required.
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Twenty
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Senior Backend Software Engineer
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Join Twenty in Arlington as a Senior Backend Software Engineer building scalable Go services and high-performance APIs for offensive cyber operations. 5+ years backend experience required. Competitive benefits included.
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Twenty
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Senior Software Engineer, Web3 Backend
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Senior Software Engineer, Web3 Backend in Menlo Park. Build scalable distributed systems bridging traditional finance with on-chain infrastructure. Requires 5+ years, Go/Python/Java, and deep system design expertise.
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Robinhood
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Senior Software Engineer, Backend (SIG)
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Join Anduril as a Senior Software Engineer, Backend in Santa Ana. Build full-stack web apps and UE5-based 3D visualization for maritime digital production. Requires 6+ years experience, JavaScript/TypeScript, React, Node.js, and real-time 3D engines.
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Anduril Industries
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Senior Backend Software Engineer
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Senior Backend Engineer role in Bengaluru (hybrid) building payment orchestration platform in Java/Spring Boot. Own core payment flows, routing logic and acquirer connectors on AWS. Requires distributed systems expertise, PostgreSQL and production ownership.
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APEXX Global
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Senior Software Engineer, Backend (SIG)
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Join Anduril as a Senior Software Engineer, Backend in Santa Ana. Build full-stack web apps and UE5-based 3D visualization for maritime digital production. Requires 6+ years experience, JavaScript/TypeScript, React, Node.js, and real-time 3D engines.
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Anduril Industries
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Senior Software Engineer, Backend Systems
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Senior Backend Engineer role in NYC to build scalable distributed systems and LLM agent infrastructure. Requires 4-6+ years experience, Python/Go/Rust, AWS, and ML inference expertise. Above-market salary, equity, and flexible PTO.
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Distributed Spectrum
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Senior Software Engineer, Backend - International
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Join Justworks as a Senior Software Engineer, Backend in Toronto. Lead large-scale projects, mentor engineers, and build scalable systems with Golang, SQL, and AWS. Enjoy great benefits and a supportive culture.
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Justworks
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Senior Backend Software Engineer, AI Observability & Evals Platform (NYC)
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LangChain seeks a Senior Backend Engineer in NYC to build APIs and services powering LangSmith's AI observability platform. Requires 5+ years backend experience, Python or Go, and expertise in high-throughput systems.
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LangChain
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Senior Staff Software Engineer - Backend
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DeepIntent seeks a Senior Staff Backend Engineer in Pune to lead Java/Spring architecture for high-throughput distributed systems. Requires 8+ years backend experience, deep Java 17+ expertise, and Kafka/Redis skills.
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DeepIntent
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Senior Backend Software Engineer
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Join CHAOS Industries as a Senior Backend Software Engineer in San Francisco. Build secure Azure cloud infrastructure and real-time data services for defense technology. Requires U.S. Person status and security clearance eligibility.
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CHAOS Industries
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Senior Backend Software Engineer (PHP/Java) - RaceBets
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Join RaceBets as a Senior Backend Engineer (PHP/Java) and build a global horse racing betting platform used by millions. Own features end-to-end with PHP 8+, REST APIs, and SQL in a high-traffic, real-money system.
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Betsson Group
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Senior Backend Software Engineer - Loki | NASA | Remote
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Join Grafana Labs as a Senior Backend Software Engineer on the Loki team, working fully remote. Build and operate critical distributed systems with Python, C, C++, or Rust while shaping observability at scale.
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154000.00 - 185000.00 USD / Year
Grafana Labs
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Senior Backend Software Engineer - Loki | NASA | Remote
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Join Grafana Labs as a Senior Backend Software Engineer on the Loki team, working remotely from Canada. Design and operate critical Go-based distributed systems on Kubernetes while contributing to open-source projects and mentoring teammates.
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164500.00 - 197000.00 CAD / Year
Grafana Labs
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Senior Software Engineer, Backend - KYC
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Join Sardine as a Senior Software Engineer, Backend - KYC, and build robust backend services in Golang to fight financial crime. Remote-first role in Canada with equity, flexible PTO, and top benefits.
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Sardine
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Senior / Staff Software Engineer — Product (Backend-Focused)
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Snorkel AI seeks Senior/Staff Product Engineers with 7+ years of backend experience to build APIs, services, and data workflows for frontier AI products. Hybrid roles in San Francisco or NYC offer growth, leadership, and impact.
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Snorkel AI
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Senior Software Engineer - Backend
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Deploy seeks a Senior Backend Engineer in Seattle to build scalable APIs, microservices, and distributed systems using Node.js and Postgres. Requires 5+ years experience, strong testing practices, and a passion for code quality.
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Seattle
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Hive
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Senior Software Engineer (Backend)
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Senior Backend Engineer role in Istanbul building scalable Node.js/TypeScript systems for AI-powered mobile apps used by millions. Requires 6+ years experience with PostgreSQL, MySQL, Redis, and distributed systems design.
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AppNation
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Senior Software Engineer I – Backend & AI-Enabled
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Senior Software Engineer I in Bengaluru for backend and AI-enabled development. Requires 5+ years with Java, Spring Boot, Terraform, Salt, AWS, Kubernetes, and AI coding tools. Build scalable cloud-native systems.
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Everbridge
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Senior Backend Software Engineer
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Delivery Hero
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About the Senior Software Engineer - Backend role

Explore a world of opportunity in Senior Software Engineer (Backend) jobs, a pivotal role at the heart of modern technology companies. Senior Backend Engineers are the architects of the server-side logic, databases, and application programming interfaces (APIs) that power web and mobile applications, ensuring they are robust, scalable, and performant. This profession involves translating complex business requirements into elegant technical solutions that serve millions of users reliably.

Professionals in these roles typically bear a wide range of responsibilities centered on system design, development, and leadership. A core duty is designing, building, and maintaining backend services and APIs, often within a microservices architecture. This includes writing clean, efficient, and well-documented code in languages such as Java, Python, C#, Go, or Kotlin. They are responsible for data modeling and working extensively with relational databases (like PostgreSQL or MySQL) and often NoSQL systems, optimizing queries for performance. Ensuring system reliability is paramount; senior engineers implement monitoring, logging, and alerting solutions to proactively identify and mitigate issues. They champion engineering best practices, including automated testing, continuous integration/deployment (CI/CD), and thorough code reviews. Beyond hands-on coding, a senior engineer mentors junior team members, contributes to strategic technical decisions and architecture reviews, and collaborates closely with cross-functional partners in product management, design, and quality assurance to deliver user-centric features from conception to deployment.

The typical skills and requirements for Senior Backend Engineer jobs are both technical and interpersonal. Candidates generally possess 5+ years of professional backend development experience, with a deep understanding of software development life cycles, design patterns, and data structures. Expertise in building and scaling distributed systems is essential, as is proficiency with cloud platforms like AWS, Azure, or GCP. A strong grasp of API design (REST, GraphQL) and containerization technologies (Docker, Kubernetes) is highly valued. Equally important are the soft skills: excellent problem-solving abilities, effective communication for collaborating across teams, and a proactive mindset for driving projects autonomously. A passion for continuous learning, mentoring others, and advocating for technical excellence rounds out the profile for these critical roles.

If you are an experienced developer seeking to leverage your deep technical expertise to build foundational systems that drive business impact, exploring Senior Software Engineer (Backend) jobs is your next step. This career path offers the challenge of solving complex problems at scale and the opportunity to lead technical initiatives that shape the digital experiences of users globally. Discover roles where you can architect the future, one service at a time.