Top Senior Software Engineer Jobs

Design, build, and operate scalable Python backend services, APIs, event-driven systems, integrations, and data pipelines supporting manufacturing and operations. Partner with hardware, manufacturing, quality, and operations teams to deliver reliable production systems. Lead technical design, mentor engineers, establish engineering patterns, and contribute to deployment, monitoring, observability, and continuous improvement across globally distributed teams.

Owns backend software engineering for a data platform supporting federal disability claims. Designs APIs, internal tools, shared Python libraries, and services; establishes architecture, testing, packaging, documentation, and code-quality standards. Partners with data engineers, leads reviews, resolves complex defects, mentors engineers, and supports planning. Requires substantial Python, pytest, API, software design, and mentoring experience, along with U.S. citizenship and Public Trust eligibility.

Design, develop, deploy, and support scalable SaaS services and web front ends for identity assurance and passwordless authentication products. Own features end to end, implement automated testing, participate in on-call support, research technologies, and collaborate across engineering, operations, and support teams. The role requires expertise in Java, Spring, Kubernetes, cloud development, relational and NoSQL databases, distributed systems, authentication flows, and modern frontend frameworks.

Lead infrastructure resiliency, observability, scalability, and performance initiatives for a revenue platform. Build reliable, performance-critical infrastructure, including real-time event processing, recovery mechanisms, tenant isolation, and load-spike handling. Investigate complex failures and performance issues, partner with engineering teams on reliable product features, and mentor engineers on observability, rollout strategies, and risk mitigation.

Lead backend-focused software architecture and development across distributed systems, data ingestion, experimentation platforms, AI workflows, and product capabilities. Build primarily in Python while contributing to React and TypeScript frontend work. Translate ambiguous product needs into scalable production systems, guide technical direction, partner with product and data teams, mentor engineers, and improve engineering practices.

Build and operate AI-first full-stack applications, internal tools, service connectors, automations, and data products supporting business functions. Translate operational and financial reconciliation needs into scalable software solutions, integrate business systems, improve engineering processes, and own products across the full lifecycle. The role requires production engineering experience, data warehouse and SQL expertise, and familiarity with frontier AI tooling, with opportunities to evaluate LLM systems and work with platforms such as Snowflake, dbt, and enterprise business applications.

Own performance of a real-time autonomous vehicle behavior-planning pipeline, including latency, throughput, memory usage, thread safety, profiling, optimization, concurrency, benchmarking, telemetry, and performance regression prevention. Partner with autonomy teams to design low-overhead C++ interfaces and execution guardrails.

Design, develop, and lead scalable cloud-native platform services, REST APIs, and reusable microservice components. Provide technical leadership through architecture, code reviews, roadmap participation, and best-practice adoption. Build highly available distributed systems, improve performance and security, troubleshoot production issues, and promote AI-assisted software development practices. Collaborate with engineering, design, and product teams in a highly automated CI/CD environment.

Leads full-stack software development across the Censis application stack, including design, coding, testing, deployment, production support, and defect resolution. Develops C#/.NET and Vue.js applications, REST APIs, and SQL Server solutions. Improves security, reliability, observability, and performance through automated testing, secure coding, root-cause analysis, and preventive engineering practices. Mentors developers, leads technical discussions, collaborates across Product, QA, DevOps, Security, and Support, and uses approved generative AI tools responsibly.

Senior Software/SRE Engineer responsible for building Go, Python, and TypeScript/React applications; designing architecture; reviewing code; operating Kubernetes infrastructure across AWS and GCP; managing Terraform-based infrastructure; improving CI/CD and GitOps workflows; and ensuring reliability, observability, security, and HIPAA compliance in patient-facing systems.

Lead architecture and hands-on development of Replit’s agentic commerce and payments platform. Build purchasing workflows, merchant integrations, agent-facing APIs, secure authorization, enterprise controls, provisioning, subscriptions, refunds, reconciliation, and reliable distributed transaction processes. Drive cross-team delivery, mentor engineers, and ensure agent-driven purchases are secure, auditable, idempotent, and successfully fulfilled.

Design, develop, test, implement, and support mission-critical COBOL mainframe applications. Troubleshoot application, batch, and production issues; support client migrations and product upgrades; collaborate with business and technical teams; manage deliverables across concurrent projects; facilitate cross-functional initiatives; and mentor new associates. The role is onsite Monday through Friday with rotational nights, weekends, and future on-call responsibilities.

Leads and mentors ServiceNow software engineers delivering complex customer projects. Develops and customizes ServiceNow solutions, troubleshoots platform and CSM issues, maintains integrations and modules, collaborates with stakeholders, supports upgrades and performance initiatives, documents technical solutions, and performs deployments.

Build and maintain shared JavaScript libraries, UI components, and workflow tools for Disney’s digital media supply chain. Develop business logic, review JavaScript and TypeScript code, lead technical initiatives, and apply test-driven and agile practices. Partner with product and program teams, address scalability and performance, support production incidents, and develop AI capabilities to accelerate software delivery.

Lead architecture, development, code quality, troubleshooting, and delivery for complex AEM and full-stack web applications. Design AEM components, OSGi services, Sling servlets, event-driven systems, and Spring Boot APIs. Develop React and TypeScript frontends, integrate enterprise platforms, and optimize performance, caching, and publishing. Mentor developers, establish engineering standards, review code, solve complex technical issues, and collaborate with architects, product owners, stakeholders, and engineering teams.

Develop and maintain ChartCheck, a full-stack application supporting radiotherapy plan checking and clinical workflows. Responsibilities include building performant WPF desktop software, DICOM integrations, image and dose visualization, DVH evaluation, architecture, testing, code reviews, and technical decision-making. The role collaborates with physicists and product leaders, mentors teammates, and requires front-end and back-end development across C#, .NET, JavaScript, databases, and cloud systems.

Design, develop, and maintain scalable Python applications; collaborate with cross-functional teams to deliver features; ensure performance and quality; identify and fix bugs; maintain code quality and automation; lead and mentor team members using agile practices.

Design and maintain scalable Python backend services, enterprise data integration frameworks, batch pipelines, REST APIs, and AWS cloud-native applications. Build serverless solutions using Lambda, DynamoDB, API Gateway, EventBridge, SQS, and Step Functions. Improve data pipeline observability, resilience, monitoring, and performance while supporting analytics, machine learning, and AI use cases. Collaborate with stakeholders and engineering teams, troubleshoot distributed systems, mentor junior engineers, conduct code reviews, and promote modern development and DevOps practices.

Lead architecture and delivery of clinician-facing and patient-facing Android applications for neural interfaces and powered exoskeletons. Build real-time streaming data visualizations, device connectivity, cloud integrations, and safety features. Develop within IEC 62304 and FDA-regulated processes, producing documentation for audits and submissions. Partner with medical teams, translate user feedback into designs, and direct external contributors while ensuring accessibility, compliance, and integration quality.

Analyzes and maintains hardware and software performance, user interfaces, external system interfaces, workloads, downtimes, and system modifications. Defines system requirements and specifications, coordinates implementation with programmers, evaluates COTS upgrades, and develops alternative solutions with functional users.

Lead the technical design and delivery of banking features at Cash App, collaborating across teams, driving architecture improvements, and mentoring engineers.

As a Senior Software Engineer, you will lead technical design, execution, and delivery of banking features, drive architectural decisions, and collaborate across teams to enhance customer experiences.

You will develop and maintain backend systems for a platform analyzing in-person sales conversations while collaborating with product and design teams, ensuring the technical excellence of features.

The Staff Software Engineer will lead the architecture of the FCM platform, ensuring financial correctness and system integrity, while modernizing systems and improving operational tooling.

Vannevar is seeking a Senior Software Engineer to lead the deployment of AI-enabled software products in government environments, focusing on security and compliance. Responsibilities include roadmap ownership, technical design, mentorship, and documentation.