Top Software Engineer Jobs in Leon

Design, build, and operate high-throughput backend services powering AI agent orchestration, connector integrations, and real-time data pipelines. Collaborate with ML, product, and front-end teams to ship AI-powered features, evolve infrastructure as code for high availability, mentor junior engineers, and contribute to documentation, testing, and reliability across the Superhuman product suite.

Build and maintain backend services primarily with Java and Spring Boot, while supporting an Angular frontend. Design RESTful APIs, apply domain-driven design and object-oriented patterns, and work with PostgreSQL, Oracle, SQL, and JPA/Hibernate on high-transaction enterprise platforms. Collaborate in cross-functional squads to deliver scalable features and modernize legacy architectures.

Develop experimental AI techniques for agentic marketing applications, especially image and video generation. Build proofs of concept, autonomous evaluation and improvement systems, realistic AI-generated video, and brand-aligned creative generation workflows. The role requires strong quantitative and probabilistic thinking, backend architecture skills, creativity with LLM applications, and product intuition.

Build and maintain open source AI integrations, frameworks, SDK extensions, notebooks, and example applications for Backblaze B2 Cloud Storage. Contribute to public repositories through coding, reviews, issue triage, testing, documentation, and maintenance. Use AI-assisted development tools while validating security, performance, and correctness. Collaborate with Product and QA to support real-world AI workflows and strong developer adoption.

Develop and support Experlogix and V6 product configurator platforms, integrations, APIs, and custom software. Build C#/.NET back-end services, JavaScript and HTML interfaces, and SQL solutions while leveraging Azure services. Monitor operational health, troubleshoot incidents, perform root-cause analysis, coordinate vendor fixes, maintain technical documentation, and support releases, CI/CD, and deployment automation.

Design, build, and support scalable full-stack web applications using C#, .NET, Angular, and SQL Server. Lead technical design and architecture discussions, optimize APIs and database performance, implement CI/CD and testing practices, troubleshoot production issues, and mentor junior engineers while collaborating with product, QA, and business teams.

Design, develop, test, maintain, and optimize enterprise web applications using TypeScript and modern frontend frameworks. Build responsive reusable UI components, integrate RESTful APIs, troubleshoot issues, and improve software quality. Collaborate with backend engineers, product owners, designers, customers, QA, DevOps, and cross-functional teams throughout the software development lifecycle.

Design, develop, test, and maintain enterprise Java/Kotlin applications. Gather technical requirements, propose software solutions, collaborate with product, architecture, QA, and development teams, and produce clean, maintainable code. Troubleshoot complex technical issues and drive resolutions while applying engineering best practices. The role also involves enterprise application development with Spring Boot, REST APIs, microservices, cloud platforms, SQL databases, CI/CD, DevOps, and Agile/Scrum practices.

Develop and maintain Python-based data and cloud migration frameworks for Snowflake and Azure. Migrate databases, stored procedures, analytic scripts, and potentially web applications to cloud platforms. Build scalable software solutions, participate in Agile delivery, testing, code reviews, technical design, requirements gathering, documentation, and technology evaluation. Collaborate with engineers, designers, managers, and financial-market users while maintaining quality, reporting progress, and owning projects through launch.

Own Aleph’s shared AI foundation, including model selection and routing, proxy infrastructure, context management, tool design, and evaluation systems. Ship production agentic features using prompt engineering, caching, parallel tool calls, and subagents. Build observability for agent performance, collaborate with customers and finance experts to define quality standards, and drive adoption of reliable AI systems across product teams.

Own major product surfaces across Aleph’s FP&A platform, leading features from customer discovery through launch and iteration. Build performant spreadsheet-grade interfaces over large financial datasets, design robust data models and APIs, develop AI-native features involving orchestration, tool calls, and retrieval, and improve engineering standards through high-quality code and reviews. The role requires strong full-stack fundamentals, customer engagement, technical leadership, pragmatism, and experience building complex B2B products.

Develop and maintain MCP tools and the MCP Toolbox for Databases; expand test coverage for agentic coding assistants; refactor and maintain test frameworks; convert technical posts into production-ready sample code and documentation; build real-world data applications (QueryData) to support product R&D and collaborate with cross-functional teams to accelerate agentic AI adoption.

Develop server-side APIs for user authentication and data management, utilizing AI-assisted tools while ensuring code quality and addressing customer issues at scale.

The Software Engineer III will design and maintain APIs for B2 and S3-compatible systems, enhance scalability, and develop observability tools. They will also engage in technical discussions and participate in an on-call rotation for incident response.

The Back-End Engineer will design and develop scalable services in a Java ecosystem, integrate AI tools, diagnose issues, and provide technical leadership.

The Sr. Software Engineer will design and build backend services and APIs, focusing on performance, security, and maintainability, while collaborating cross-functionally and managing complex systems.

Design, develop, and maintain custom ServiceNow applications, workflows, catalog items, and integrations. Build AI skills, autonomous agents, and agentic workflows using Now Assist. Govern platform changes, manage cross-platform impacts, oversee upgrades, and ensure vendor compliance. Partner with architects and stakeholders to translate requirements into Agile deliverables. Mentor developers and apply ITIL principles while supporting core ServiceNow modules.

Design and develop innovative software solutions, contributing to high-quality releases, code reviews, and continuous improvement in a SCRUM team. Participate in application support and manage deployment processes for production environments.

As a Software Engineer, you will build features, write maintainable Roblox Lua code, collaborate with teams, and enhance gameplay for millions of players.

Participate in all phases of the software development lifecycle using Agile. Translate business requirements into BRDs, design, develop, and maintain .NET applications, debug defects, execute unit/integration/system testing, collaborate cross-functionally, and produce technical documentation and test plans.

Design, develop, and maintain integration services connecting warehouse management systems with ERP platforms, carriers, and trading partners. Build feature enhancements, resolve defects, improve integration architecture and reliability, and troubleshoot distributed systems. Collaborate in an Agile environment, document technical solutions, contribute to development standards, and mentor junior engineers. The role requires C#/.NET, JavaScript, REST/OData, WCF, SQL Server, NHibernate, EDI, data transformation, and Azure DevOps/Git experience.

The Software Engineer will design and maintain payment processing systems, mentor other engineers, and ensure security in client transactions within the crypto ecosystem.

Join a distributed team to design, build, and maintain scalable full-stack web applications. Contribute backend and frontend code, follow OOP principles, troubleshoot and optimize performance, participate in code reviews, work in Agile, and learn or use PHP/Laravel as needed. Must overlap Central or Pacific Time and communicate in advanced English.

Early-career engineer role building AI-driven features, prototypes, and production-quality systems using modern AI coding agents. Work closely with founders and senior engineers to iterate fast, direct and evaluate AI agents, and contribute to AI infrastructure and agentic development workflows.

As a Software Engineer, you will develop high-quality software solutions, ensure timely project completion, and participate in the Agile process, improving methods of product development.