Top Software Engineer Jobs in Leon

Design and build scalable, user-focused software for Dropbox products serving millions of daily users. Collaborate with product managers, designers, and analysts to deliver web and desktop features, develop product roadmaps, support full-stack projects, conduct code reviews, mentor engineers, improve internal tools, and participate in occasional on-call rotations.

Design and develop scalable full-stack software across product areas, building front-end interfaces and back-end systems for millions of users. Collaborate with cross-functional teams to identify user needs, deliver reliable features, create product roadmaps, and support AI-enabled functionality. Responsibilities include code development and review, technical leadership, mentoring, interviewing, and occasional on-call support for bugs and outages.

Develop and ship scalable, user-focused software for Dropbox products. Responsibilities include independently delivering solutions, writing code alongside junior engineers, collaborating with product and design teams, managing technical roadmaps, mentoring engineers, and supporting system reliability through occasional on-call work.

Provides technical leadership on complex, high-impact engineering projects from design through launch. The role involves architecture, company-wide initiatives, engineering excellence, mentoring technical leaders, and establishing standards for scalable, reliable, secure, observable systems. The engineer will collaborate across teams, communicate complex technical topics, and apply customer-focused decision-making and A/B testing techniques.

Build and ship backend features end-to-end using Ruby on Rails and SQL. Lead complex technical projects, solve architecture challenges, establish standards, conduct meaningful code reviews, resolve high-risk bugs, document systems, collaborate across engineering teams, and mentor junior engineers.

Build and maintain scalable data pipelines, transformations, services, and automation supporting reporting, analytics, AI, and product experiences. Collaborate with cross-functional stakeholders to deliver reliable technical solutions. Implement data quality checks, monitoring, telemetry, testing, privacy, security, and access controls. Participate in code and pipeline reviews while contributing to maintainable, secure, and production-ready engineering systems.

Build and operate high-volume backend services using TypeScript and Node.js. Design distributed, event-driven, idempotent systems, resilient asynchronous workflows, and contract-driven APIs. Own features from technical discovery through production, navigate unfamiliar codebases, collaborate across backend, frontend, mobile, and platform teams, and use Claude Code or similar agentic tools to accelerate development, testing, refactoring, and debugging. Contribute to AWS and Terraform infrastructure and support product decisions with strong technical and business judgment.

Build, ship, and maintain front-end and back-end features across the stack. Responsibilities include writing tested and documented code, integrating APIs and databases, participating in code reviews and sprint planning, troubleshooting bugs, improving performance and reliability, and collaborating with product, design, and QA teams. The role is fully remote, based in Mexico, with overlap during U.S. business hours.

Develop Java backend systems for financial benchmark calculation and pricing services. Build new features, implement business logic, analyze data, and support a 24/7 real-time distributed platform. Ensure reliable systems through testing, metrics, and alarms while collaborating with product and engineering teams. The role requires strong problem-solving, mathematical reasoning, attention to detail, and effective communication.

Design and implement robust Rust and C++ services and libraries for trading, payments, and cryptocurrency systems. Build scalable, low-latency distributed systems, network services, and asynchronous applications supporting revenue-critical infrastructure. Collaborate with product and engineering teams, debug across the operating system, network, and application layers, and take end-to-end ownership of reliable, secure, and high-performance systems.

Build and ship features for an AI-powered risk intelligence platform using spec-driven, AI-assisted development. Translate requirements into specifications, direct AI coding agents, review and test generated code, develop backend services and APIs, define acceptance criteria, maintain development standards, and improve CI/CD workflows. The role requires end-to-end feature ownership, strong testing practices, cloud deployment experience, and excellent English communication with a US-based client team.

Build and maintain open source AI integrations, frameworks, SDKs, notebooks, and example applications integrating AI workflows with Backblaze B2 Cloud Storage. Develop production-quality code using multiple open source languages and AI coding agents, contribute to public repositories, and ensure strong testing, documentation, security, reproducibility, and developer usability. Collaborate with Product and QA to support real-world AI workflows.

Senior full-stack engineer responsible for architecting, testing, and shipping end-to-end Flask/React applications. Optimize and refactor systems using Agile practices, collaborate with product and data engineering teams, and build scalable services and data-access layers to support complex financial reporting and analytics.

Owns production SaaS infrastructure across Azure and AWS, including Terraform infrastructure code, GitHub Actions pipelines, customer environment provisioning, Windows Server and SQL Server operations, monitoring, alerting, incident response, root-cause analysis, and reliability improvements. The role also automates operational work with PowerShell, supports least-privilege access and SOC 2 evidence collection, maintains runbooks, and participates in on-call rotations.

Build and ship large product initiatives for financial advisors and clients. Responsibilities include owning the end-to-end development lifecycle, writing production-ready and maintainable code, and collaborating with product, design, and business teams. The role requires full-stack web development expertise, knowledge of authentication, authorization, caching, background processing, API design, and SQL databases. Fintech experience and familiarity with modern development, CI/CD, infrastructure, and observability tools are preferred.

Design, implement, and scale Rust services and libraries for trading, payments, and crypto. Build reliable, high-performance distributed systems, collaborate on architecture, write testable async network code, and own production systems end-to-end.

Design, build, and maintain consumer-facing features across web (React) and mobile (React Native). Own product lifecycle from discovery through release, monitoring, experimentation, and iteration. Drive A/B testing and feature-flag strategies, make architectural decisions, ensure accessibility/performance/testability, mentor engineers, and collaborate with Product, Design, Data, and Platform teams.

Build and maintain Clara’s QA automation platform, including Playwright frameworks, backend APIs, fullstack internal tools, test reporting, CI/CD pipelines, and integrations. Develop reliable, reusable automation infrastructure, reduce test flakiness, support AI-assisted test generation, and collaborate with QA and product engineering teams on testability, code quality, documentation, and adoption.

Build and operate Kraken’s internal AI Gateway, integrating LLM providers and implementing routing, budgets, rate limits, APIs, SDKs, access controls, key management, audit logging, and usage observability. Own platform features from design through production, support internal engineering teams, collaborate with Security and SRE, and contribute to documentation, code reviews, and engineering practices.

Own end-to-end delivery of major customer projects, collaborating with engineers and executives to design architectures, build integrations, and solve complex technical problems using ElevenLabs technologies. The role requires customer-facing technical work, strong Python and software development skills, API integration expertise, communication, problem-solving, and fluency in English and Spanish. It is remote from Mexico, with regular travel to customer onsite engagements.

Staff-level product software engineer responsible for shaping, architecting, implementing, testing, and launching end-to-end marketplace initiatives. Partners closely with product managers and designers, directs AI coding agents, owns production quality and observability, and measures success through post-launch business metrics. Requires strong technical judgment, autonomous decision-making, cross-functional collaboration, and production experience using AI-assisted development workflows.

Own the architecture and long-term direction of Alpaca’s Redpanda-based event streaming platform. Lead migration to event-driven systems, design scalable real-time client streaming, establish schema and library standards, shape authentication for streaming, partner on resilience and testing, mentor engineers, influence cross-team technical decisions, and participate in platform on-call. The role primarily uses Go and involves Kubernetes, Helm, PostgreSQL, observability, and distributed systems.

Build and architect Alpaca’s algorithmic trading platform, developing high-performance, low-latency brokerage systems. Responsibilities include extensive frontend and backend coding, distributed system design, database and concurrency architecture, high availability, throughput optimization, and object-oriented modeling. The role requires prior experience with trading or exchange systems, including OMS and RMS platforms, and involves making critical technical decisions in a demanding early-stage environment.

Designs, develops, and maintains scalable backend services and RESTful APIs using C# and .NET Core. Responsibilities include API-first development, SQL Server and Entity Framework data access, architectural collaboration, automated testing, CI/CD, troubleshooting performance and integration issues, code reviews, mentorship, and ensuring application quality, security, and maintainability.

Build and maintain developer tools, SDKs, CLI, MCP interfaces, integrations, and supporting backend services. Collaborate on API contracts, compatibility, testing, releases, documentation, and shared tooling. Support developers through GitHub issues and pull requests while designing reliable systems with authentication, retries, idempotency, rate limits, monitoring, and error recovery.