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Lower · 8 hours ago

Senior Software Engineer - LowerOS Team

Columbus, OH (N High St)

Full-time

Hybrid

Senior Level

$140K/yr - $165K/yr

6+ years exp

Lower is a mission-driven fintech company that simplifies the home-buying process through cutting-edge technology. As a Senior Software Engineer on the LowerOS team, you will shape core services and features that enhance the mortgage experience, collaborating with a talented team to build scalable systems that help people achieve homeownership.

FinanceFinancial ServicesFinTechLending

No H1B

Responsibilities

System design & architecture: Ability to design scalable, reliable, and maintainable systems, with an understanding of tradeoffs between performance, cost, and complexity

Code quality & testing: Strong in unit, integration, end-to-end testing, and test automation frameworks

Performance optimization: Proficiency in profiling, debugging, and optimizing application performance

DevOps & CI/CD: Experience with deployment pipelines, monitoring, observability, and release management

Security awareness: Knowledge of secure coding practices, threat modeling, and compliance requirements

Data & APIs: Comfortable designing and consuming APIs, working with databases, and handling data modeling

Tooling & automation: Skilled at improving developer workflows through automation (build systems, config management, test infrastructure)

Stakeholder communication: Translate business needs into technical requirements, clearly communicate tradeoffs, and align solutions with product goals

Mentorship: Coach junior and mid-level engineers, providing guidance on coding practices, system design, and career development

Code review: Promote best practices in readability, maintainability, and scalability through constructive code reviews, providing guidance and support

Cross-functional collaboration: Work effectively with product managers, QA, designers, and other teams

Project ownership: Coordinate projects from design through delivery, ensuring scope, deadlines, and quality are balanced

Risk management: Identify risks early (technical debt, bottlenecks, scalability limits) and propose mitigations

Tradeoff negotiation: Weigh cost, scalability, and performance when evaluating solutions and clearly explain reasoning

Documentation: Produce and maintain high-quality technical documentation for systems, processes, and decisions

Continuous improvement: Advocate for better processes, tooling, and practices that improve velocity and reduce errors

Technical vision: Influence long-term technical direction, helping shape architecture and tech stack decisions

Innovation: Proactively identify opportunities for new technologies, frameworks, or approaches that benefit the business

Quality bar setting: Advocate for engineering excellence, ensuring the team balances speed with maintainability

Qualification

System design & architectureFull-stack expertiseTypeScriptPerformance optimizationDevOps & CI/CDSecurity awarenessData & APIsStakeholder communicationCode reviewProject ownershipRisk managementTradeoff negotiationContinuous improvementTechnical visionInnovationQuality bar settingMentorshipCross-functional collaborationDocumentation

Required

6–11 years of professional experience in software engineering and enterprise-scale web application development (or closely related fields)

Full-stack expertise with proven ability to deliver high-quality backend and frontend solutions

Problem solver and innovator, with a track record of implementing new ideas and tackling complex technical challenges in design and architecture

Proficiency in our stack— TypeScript, React, AWS, Next.js, Node.js and Postgres —or the ability to quickly learn new languages, frameworks, and tools

Strong computer science foundations, including algorithms, data structures, concurrency, parallelism, asynchronous programming, networking, and system design

Excellent communication and collaboration skills—someone who values teamwork, gives and receives feedback constructively, and helps foster a supportive engineering culture