Top Senior Software Engineer Jobs

Design, develop, and optimize the exchange's low-latency matching and risk engines. Deliver production-ready, deterministic code, robust unit and integration tests, and diagnose complex issues via logs. Collaborate with quant, gateway, and product teams, support API integrations (REST/WebSocket), and improve SDKs for blockchain signatures to scale a global trading gateway.

Design and implement core Web3 protocol features and secure Solidity smart contracts, ensure scalability and performance, integrate blockchain solutions, review code, and mentor junior developers.

Design, develop, test, and deploy scalable, secure software across the full stack. Own end-to-end feature delivery, write automated tests, troubleshoot production issues, mentor engineers, and drive spec-driven development while leveraging AI-assisted tools to improve productivity and code quality.

Participate in Agile ceremonies and develop new enterprise software features across service layers, integrations, UIs and data. Act as the team's primary UI resource and React subject-matter expert. Build secure web applications and APIs, design data architecture, maintain Postgres databases using Liquibase, use AWS, CI/CD (GitHub Actions, Bamboo) and Test Driven Development. Support production issue resolution and propose product enhancements.

Design, develop, test, document, and review complex enterprise software across services, integrations, UIs, and data. Provide technical leadership, mentor engineers, propose enhancements, troubleshoot outages, and ensure performance, security, and maintainability.

Design, build, and optimize ETL/EMR data pipelines on AWS using Hadoop/Spark/NiFi/Python. Ingest and transform source data (SQL Server) into the Titan data lake, evaluate new architectures (Snowflake, Debezium, Kafka), resolve production/data quality issues, and support CDK customers.

Design and build full-stack features for a dealer management system, modernizing digital sales and contracting workflows. Implement scalable backend services, complex data models, and interactive UIs. Improve CI/CD, address technical debt, collaborate with product owners, and apply Agile practices to deliver robust, high-volume transaction applications.

Design, build, and maintain scalable RESTful APIs and microservices using Java/Spring Boot and cloud-native AWS patterns. Lead design reviews, mentor engineers, implement CI/CD and automated tests, troubleshoot production issues, work with Kafka-based event architectures, and design databases across SQL and NoSQL stores.

Design, build, and operate the core GraphQL platform including routers, schema workflows, and infrastructure. Collaborate with engineering teams, support platform users, improve observability, perform code reviews, drive CI/CD and platform reliability, and leverage AI to modernize tooling.

Design, develop, and performance-tune high-performance financial messaging applications using C++/Java, Boost, gRPC, multithreading, Linux/RHEL, Python and Docker. Analyze requirements, follow security and coding standards, expand test automation, and collaborate with cross-functional teams to deliver highly available systems.

Lead design, development, and deployment of full-stack, multi-service applications that integrate data science and ML capabilities for government missions. Mentor developers, prototype rapid capabilities, build APIs and microservices, support frontend interfaces, enhance existing applications, gather requirements with analysts, and demo solutions. Must handle sensitive data and interface with stakeholders.

Senior backend engineer and technical lead building scalable microservice-based platforms to deliver data products. Design, develop, integrate, test, document, and support production systems; collaborate on architecture and agile delivery; troubleshoot incidents and mentor team members.

Lead architecture and implementation of high-throughput, low-latency AdServer and Exchange services. Design scalable, resilient distributed systems, integrate demand/supply partners, improve RTB/auction capabilities, advance observability and automation (including AI-driven testing/IaC), and mentor engineers to increase platform reliability and revenue growth.

Design, build, and maintain scalable full-stack applications using Node.js, React, and Python. Develop APIs and microservices, implement IaC (Terraform), manage CI/CD pipelines, optimize cloud infrastructure (Azure preferred), integrate AI-assisted development tools, perform technical leadership, conduct code reviews, and mentor developers to support real estate investment management operations.

Design, build, and maintain a TypeScript-based shared front-end design system and component library. Develop framework-agnostic Web Components, Node.js build/test/release tooling, ensure accessibility and quality standards, produce documentation and enablement materials, support internal consumers, and collaborate with product, design, QA, and engineering teams to uphold UI standards and release practices.

Architect, develop, and maintain full‑stack software systems for DoD environments—focusing on performance, scalability, reusable components, and the full software lifecycle. Collaborate with engineers and stakeholders, implement modern JavaScript front ends and object‑oriented backends, review code, optimize performance, and mentor junior developers.

As a Staff Software Engineer, you'll develop high-performance systems for DNA data storage, architecting software with various programming languages, and collaborating with hardware teams.

The Principal Software Engineer leads the architectural design of a data platform, ensuring isolated and compliant data flows, overseeing AI data lakes, batch and streaming pipelines, and developing service APIs.

Lead a team of 3-4 engineers to build scalable ad platform services, APIs, and SDKs. Drive architecture and technical direction, collaborate with Product and ML teams, enforce engineering standards, perform design and code reviews, identify and resolve performance bottlenecks, and participate in hiring and team development.

Design, implement, and deploy scalable API-driven features and services for the Matterport Platform using Kotlin, Python, and front-end technologies. Work with relational and non-relational datastores, microservices, monitoring, and cross-functional teams. Mentor junior engineers and advocate for strong engineering practices.

Design, build, and maintain scalable backend services and workflow orchestration using Java/Spring Boot or Node.js/NestJS, Temporal or Google Cloud Workflows, and Kafka. Ensure high availability, observability, fault tolerance, and performance for large-scale event-driven systems; troubleshoot production issues, define best practices, mentor engineers, and collaborate on architecture and SLAs.

Build and maintain Talos' foundational platform infrastructure: high-performance API gateways (FIX, WebSocket, REST), Aeron-based low-latency messaging, and sequencer/market-data pipelines. Solve hard distributed-systems problems (ordering, determinism, active-active, zero-downtime), ensure throughput and latency requirements, and provide reusable service primitives. Own projects end-to-end and lead technical decisions across abstraction layers.

Design, build, and operate scalable, privacy-conscious backend and distributed systems for Clean Room products. Lead architecture, technical delivery, cross-functional collaboration, mentoring, incident response, and improvements in reliability, observability, testing, and developer workflows.

Build and evolve Otter Insights by shipping full‑stack features with end-to-end ownership. Implement React/TypeScript micro-frontends, integrate data via GraphQL, ensure data correctness with platform teams, add analytics/BI features (dashboards, reports, chat with data), create reusable frontend components, and maintain quality through Jest and Cypress testing and performance frameworks.

Lead setup of software architecture, development environments, and tooling for a complex Navy weapon-system component. Define requirements, design and benchmark code, optimize CPU/disk/network utilization, establish Agile processes, and guide future maintenance and defect resolution while collaborating with government customers.