Top Senior Software Engineer Jobs

Leads development of the Tech 360 enterprise reporting platform. Designs scalable applications, REST APIs, web applications, ETL solutions, databases, microservices, cloud-native deployments, and CI/CD pipelines. Partners with architecture and security teams on integrations and access controls, mentors engineers, and contributes to Agile delivery. The role also supports executive reporting, data visualization, risk controls, regulatory standards, and engineering best practices.

Build and maintain Gravitee’s API management and AI gateway platform across Java backend services, gateway runtime, management APIs, and TypeScript/Angular interfaces. Develop API security, policies, observability views, data models, automated tests, and production-ready features. Support customer escalations through L3/L4 pager duty, collaborate across international teams, and apply AI-assisted development practices. The role requires full-stack ownership from technical design through release and iteration.

Build and deploy reliable full-stack software using React, Django, Python, TypeScript, and Azure. Own architecture and design decisions, collaborate in Agile ceremonies, improve engineering processes, mentor junior developers, and develop internal financial modeling tools. Partner with business stakeholders to define requirements, solve problems, and deliver scalable software supporting clean-energy investment and operations.

Provides hands-on technical leadership across architecture, infrastructure, backend services, APIs, ML systems, and product development. Partners with the CTO on technical direction, leads design and code reviews, mentors engineers, improves reliability and scalability, and works with customers to translate requirements into solutions. The role requires substantial production software engineering experience, cloud infrastructure expertise, and the ability to guide a growing engineering team without direct management responsibility.

Architect and operate large-scale data pipelines that power startup, people, and investment intelligence. Own data quality, discover new data sources, and advance extraction and reconciliation through LLM-powered agentic workflows and evaluations. Work across backend systems, databases, search indices, and GraphQL APIs to deliver customer-facing data products and features, collaborating with GTM, Product, and Design.

Build Harmonic’s first iOS app from scratch, owning architecture, project setup, product development, testing, CI/CD, and production releases. Partner with Product and Design to create polished, AI-native mobile experiences, establish scalable engineering foundations, make technical decisions, and mentor future mobile engineers. The role requires strong product intuition, customer focus, modern iOS architecture expertise, and the ability to operate independently in an ambiguous environment.

Build and improve Harmonic’s frontend platform for reliability, performance, scalability, and developer productivity. Responsibilities include resolving production issues, optimizing large-data rendering and bundles, implementing monitoring and observability, establishing testing strategies, creating reusable abstractions, driving technical migrations, making architecture decisions, and mentoring engineers.

Build and own customer-facing full-stack features end to end, with an emphasis on backend systems, data pipelines, scalability, performance, and observability. Collaborate with Design, Product, and GTM to ship, measure, and iteratively improve products. The role involves developing startup intelligence, deal management, or ecosystem integrations while balancing technical, product, and organizational tradeoffs.

Architect and lead the systems powering Harmonic’s AI-driven startup search product. Own data ingestion, retrieval, ranking, personalization, model orchestration, evaluation pipelines, and LLM-powered workflows. Drive experimentation with embeddings, memory systems, prompt libraries, schemas, and agentic frameworks while ensuring reliability, performance, and cost efficiency. Partner with Product and Design on AI-native experiences, establish technical direction, mentor engineers, and guide cross-team architecture.

Lead architecture, development, and delivery of Azure SmartNIC and networking software, including RDMA, virtualization, hardware offloads, and high-performance networking. Collaborate across hardware, firmware, silicon, and cloud teams; improve reliability and performance using telemetry; guide platform strategy; troubleshoot production systems; and provide technical leadership through design reviews, mentoring, and incident response.

Build and operate Custral’s full-stack product using TypeScript, React, Next.js, Node.js, Express, PostgreSQL, AWS, and related technologies. Own core architecture, data modeling, performance, caching, realtime systems, APIs, SDKs, webhooks, infrastructure, security practices, and monorepo standards. Contribute hands-on code, conduct reviews, mentor engineers, make architectural decisions, and help hire early team members.

Design, develop, integrate, administer, and optimize complex Salesforce solutions across enterprise environments. Build GovCloud integrations, configure Sales Cloud and CPQ, develop Apex and Lightning components, support CI/CD, releases, upgrades, and production operations. Collaborate with product owners, QA, Scrum teams, and stakeholders to translate business requirements into scalable, compliant solutions. The role also involves technical documentation, performance optimization, testing, automation, and continuous improvement.

Lead the architecture and technical direction of Alpaca’s margin and risk systems across equities, options, crypto, and future asset classes. Design low-latency, high-throughput services for margin calculation, real-time risk enforcement, exposure limits, margin calls, and operational workflows. Drive reliability, correctness, transactional integrity, observability, incident prevention, technical reviews, mentorship, and cross-functional integration with product, brokerage operations, compliance, and engineering teams.

Lead full‑stack design and delivery of customer‑facing web and mobile features across frontend and backend systems. Own architecture, ship reliable and observable services, mentor engineers, drive process and cross‑team designs, participate in on‑call rotation, and collaborate with product, design, and analytics.

Build a zero-to-one fullstack product for Remitly Business, design secure scalable frontend and backend systems, set technical standards, lead and decompose team projects, mentor engineers, ensure reliability and observability, and collaborate cross-functionally. Hybrid role based in Seattle.

Lead and contribute to an agile engineering team to design, build, test, and operate secure, scalable Java-based microservices on AWS. Provide technical direction, code development and review, drive architecture and tooling decisions, adopt enterprise AI-assisted development practices, and mentor engineers to ensure operational stability and secure coding practices.

Lead and deliver secure, scalable Java-based microservice solutions; drive adoption and safe use of enterprise AI-assisted engineering tools; produce architecture and high-quality production code; improve CI/CD, data models, and system reliability while mentoring engineers and contributing to engineering communities.

Lead technical design, develop and maintain high-quality iOS applications and reusable frameworks. Drive secure, automated CI/CD practices, operational stability, and AI-assisted engineering adoption. Mentor teams, evaluate external vendors, and promote best practices across software engineering communities. Apply cloud-native and financial-services domain knowledge to deliver scalable mobile solutions.

Design and own large-scale simulation evaluation pipelines and metrics to validate autonomous driving software. Lead cross-functional integration, invent methodologies to quantify simulation trustworthiness, drive technical roadmaps, and present results via dashboards to inform release and safety decisions.

Design, implement, and optimize large-scale autonomous vehicle simulation testing pipelines and shared libraries. Build automation for test creation, data collection/analysis, debugging, and monitoring. Integrate AI tools to automate test generation and analytics, lead technical roadmaps, perform code reviews, and mentor engineers to improve AV behavior validation and deployment.

Own a feature area end-to-end: author clear specs, define acceptance criteria and UAT, manage AI-assisted codegen, ensure production health, mentor engineers, and deliver verified production software in a Rails-focused full-stack environment.

Design and deliver blockchain network infrastructure and platform APIs, lead multi-quarter initiatives (chain integrations, re-architecture, data migrations), define APIs/SLOs/observability and on-call ownership, ship SDKs and platform primitives, establish data contracts, and simplify cross-chain operations to enable analytics, ML, and data engineering teams.

Design, build, and operate backend Go services and smart contracts that mint, burn, bridge, and reconcile wrapped assets across multiple chains. Own end-to-end delivery from smart contract deployment through API design, SLOs, and production rollout. Drive asset migration pipeline improvements, run on-call operations, build observability and runbooks, and mentor junior engineers.

Design, build, and maintain scalable full‑stack web applications in a cloud containerized environment. Improve reliability and observability, ship features, refactor codebase, and collaborate with hardware, product, and design teams while promoting testing and knowledge sharing.

Leads the design, development, testing, and deployment of scalable enterprise software, APIs, backend services, cloud integrations, and data-processing workflows. Partners with data engineers and scientists on analytics and AI initiatives, contributes to architecture and technical planning, troubleshoots production issues, mentors engineers, and drives code quality, scalability, security, and continuous improvement.