Top Senior Software Engineer Jobs

As a Senior/Staff Software Engineer, you will design and implement products, guide other engineers, and drive innovation in health data solutions.

Design, implement, and maintain server-side Java services and APIs. Provide technical leadership, mentor developers, perform architecture and code reviews, troubleshoot issues, ensure security best practices, and contribute to project planning and delivery within an agile team.

Design, develop, test, deploy, and maintain software systems for intelligence ground enterprise applications. Translate requirements into designs, create prototypes, implement DevOps/CI-CD and containerized solutions, use Agile tools (Jira, Confluence, Bitbucket/Git), lead and mentor junior engineers, ensure software quality and configuration management, and support on-site customer deliveries.

Develop backend Command & Control (C2) systems connecting Quindar's platform to satellites. Implement machine-to-machine communication, binary protocols, serialization, transport, stateful comms, telemetry, and hardware integrations. Onboard diverse spacecraft, translate interfaces into maintainable integrations, build scalable abstractions and tooling, and improve reliability, observability, and performance while collaborating cross-functionally.

Design, build, deploy, and operate ledger, payments, and reconciliation services that ensure accurate crypto and fiat money movement. Partner with finance and treasury, implement safeguards for correctness and auditability, design scalable APIs/data models, write tested production code, monitor system health, respond to incidents, mentor teammates, and participate in on-call rotations.

Build and maintain high-performance Ruby on Rails services on a Rails/AWS/Kubernetes stack. Own end-to-end feature development, optimize DB queries and APIs, support legacy modernization and new product growth, participate in on-call rotation, and drive CI/CD, testing, and architectural improvements.

Design and develop APIs and microservices for BaaS partner onboarding; collaborate with product and architecture teams; mentor engineers; ensure CI/CD, testing, observability, and SLA compliance; participate in incident response and root cause analysis; document architectures; evaluate emerging technologies and refactor code to build secure, scalable, configurable systems.

Provide technical leadership and hands-on development for the Nexity platform. Lead distributed engineering teams, establish architecture and coding standards, run Agile delivery, mentor engineers, drive secure, scalable cloud-based solutions using Azure/.NET and modern web stacks, leverage AI-assisted development tools, and collaborate with product, architecture, QA, and infrastructure to meet business objectives.

Lead design and rewrite of cloud-native core systems. Build scalable back-end services and front-end features, drive architecture and testing discussions, mentor engineers, and improve telemetry, performance, and reliability.

Senior software engineer responsible for designing, building, and supporting application components, mentoring junior engineers, leading code reviews, collaborating with product and architecture teams, and improving systems via research and SDLC best practices.

Design, develop, and support cloud-native web applications and enterprise platforms using .NET, Angular, JavaScript, SQL Server and cloud technologies. Partner with product teams, participate in platform modernization, ensure high availability and performance, conduct code reviews, testing, documentation, and support Agile delivery.

Design, build, and maintain scalable analytics database systems based on Apache Druid. Collaborate across teams to deliver performant data products, mentor engineers, and contribute to product and architecture decisions while promoting inclusive teamwork.

Design, develop, and deliver full-stack software features for consumer health products; collaborate cross-functionally to define requirements and dependencies; propose technical solutions and design choices; implement using tools like GitHub, cloud platforms, React, and infrastructure-as-code.

Design, build, and maintain production-grade microservices and web applications to power personalization and recommendations. Implement model-serving and inference integrations, ensure resiliency, observability, and low-latency performance, work with event-driven and caching patterns, collaborate with AI/ML and data teams, drive technical designs, mentor engineers, and operationalize services for production readiness.

Design, build, and operate distributed, event-driven microservices and cloud infrastructure. Lead technical delivery across the full stack with backend emphasis, integrate data pipelines and AI models, ensure high code quality and testing, produce documentation and runbooks, mentor peers, and own services through their lifecycle.

Design, operate, and scale Compass's database, cache, and streaming fleet (Postgres, Redis/ValKey, DynamoDB, Kafka/MSK). Build multi-tenant isolation and SDKs, run fleet-scale upgrades with zero downtime, improve observability, and partner with product teams to migrate workloads and resolve high-impact production incidents.

Design, build, and operate full‑stack, cloud-based microservices and frontend interfaces. Lead technical projects, integrate AI/data pipelines, ensure quality via automated tests and CI/CD, author documentation and runbooks, mentor peers, and own services across their lifecycle.

Design, build, and operate scalable web applications, APIs, services, and AI-enabled workflows. Use AI tools across the development lifecycle, ensure reliability, performance, and observability, contribute to technical decisions, iterate from user feedback, and own production quality and delivery as part of cross-functional squads.

Modernize a legacy operational system into microservices: develop Java Spring Boot and Python services using AWS (Lambda, Step Functions, EC2, S3), build REST APIs, implement CI/CD with Maven/GitLab/GitOps, and collaborate in Agile teams to sustain mission-critical government software.

Senior Software Engineer to sustain and enhance mission-related software for a U.S. Government customer. Requires deep software engineering experience, cloud and big-data tooling (Hadoop, Accumulo, AWS, Terraform), and development in Java/Python. Role supports secure, mission-critical systems, with partial telework after onboarding and strong communication and teamwork expectations.

Design, build, and support scalable full-stack Salesforce solutions using Aura/LWC and Apex. Integrate Salesforce with external systems, implement agentic platforms like AgentForce, deploy services on AWS, incorporate AI-assisted development, manage CI/CD pipelines and infrastructure-as-code, collaborate in Agile teams, and ensure performance, reliability, security, and accessibility.

Design, prototype, and evaluate quantum algorithms for finance; build and maintain quantum software libraries and simulators; collaborate with scientists and engineers to integrate quantum solutions; publish research and present technical findings internally and at conferences.

Lead design, development, testing, deployment and support of cloud-native Java microservices and APIs. Build event-driven data pipelines using Kafka, work with AWS EKS/ECR/EC2/Beanstalk, implement CI/CD and containerization, collaborate in Agile teams, and drive technical alignment and innovation across IB Tech & CRM/Analytics.

Lead architecture and delivery of highly available healthcare and payment systems. Design, implement, and operate cloud-based services, drive engineering standards, mentor engineers, and resolve complex production incidents.

Design and deliver scalable backend services and high-performance APIs for a SaaS platform. Collaborate cross-functionally to scope and ship features, maintain clean architecture and tests, optimize application and database performance, evaluate backend technologies, and troubleshoot live systems to maximize uptime.