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Senior Backend Software Engineer 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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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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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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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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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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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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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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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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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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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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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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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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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
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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
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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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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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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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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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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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Senior Backend Software Engineer
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About the Senior Backend Software Engineer role

Explore the world of Senior Backend Software Engineer jobs, a critical and high-impact career path at the heart of modern technology. Senior Backend Engineers are the architects of the server-side logic, databases, and application programming interfaces (APIs) that power websites, mobile apps, and enterprise software. They build the robust, scalable, and secure systems that handle data processing, business logic, and integration with other services, ensuring that applications perform reliably for millions of users. This role is a senior-level position, requiring not just technical mastery but also strategic thinking, mentorship capabilities, and a deep understanding of system design principles.

Professionals in these roles typically shoulder a broad range of responsibilities. Core duties include designing, developing, and maintaining complex backend services and distributed systems. They create efficient, well-documented APIs (often RESTful or GraphQL) that serve frontend clients and facilitate communication between different software components. A significant part of the job involves designing data models and working with various databases (SQL and NoSQL) to ensure data integrity and performance. Senior Backend Engineers are also responsible for integrating third-party services, implementing authentication and authorization protocols, and ensuring the overall security of the application layer. Beyond pure coding, they collaborate closely with product managers to translate business requirements into technical specifications, mentor junior developers, conduct code reviews, and contribute to architectural decisions. They play a key role in optimizing application performance, troubleshooting production issues ("firefighting"), and establishing robust monitoring and alerting systems.

The typical skill set and requirements for Senior Backend Software Engineer jobs are extensive. Candidates are generally expected to have 5+ years of professional backend development experience. Proficiency in one or more server-side languages such as Python, Java, Go, Node.js, C#, or Scala is essential, along with deep expertise in associated frameworks. A strong grasp of software engineering fundamentals—data structures, algorithms, design patterns, and system design—is non-negotiable. Experience with cloud platforms (AWS, Azure, GCP), containerization (Docker, Kubernetes), and infrastructure-as-code is highly valued. Familiarity with database design, caching strategies, message brokers (e.g., Kafka, RabbitMQ), and CI/CD pipelines is standard. Crucially, senior roles demand excellent problem-solving skills, the ability to work effectively in agile, cross-functional teams, and strong communication skills to interface with both technical and non-technical stakeholders. A commitment to best practices in testing, version control, and code quality defines top candidates in this field. For those seeking a role that blends deep technical challenge with strategic influence, Senior Backend Software Engineer jobs offer a rewarding and future-proof career building the digital foundations of tomorrow.