Senior Software Engineer – Tech Startup

Taxfyle

. Build high-quality, innovative, and high-performing software solutions .

Posted 10/23/2026full-timeCoconut Grove • Florida • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building high-quality software solutions, making architectural decisions, and mentoring engineers. Proven ability to lead complex projects with autonomy while driving engineering best practices and collaborating effectively with cross-functional teams.

Highest-signal resume keywords

C# ProficiencyReact ExpertiseTypeScript KnowledgeArchitectural Decision-MakingMentorship Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentHigh-Performance SystemsScalable SystemsDistributed SystemsTechnical Risk MitigationCode Review StandardsEngineering Best PracticesComplex Codebase ManagementProject DeliveryTechnical Documentation

Soft Skills

MentorshipCollaborationCommunicationProblem-SolvingPositive Attitude

Tools & Technologies

.NETNode.jsGCPPostgresPub/SubElasticsearch

Industry Keywords

Software SolutionsTechnical LeadershipCross-Functional ProjectsEngineering PracticesProduct Roadmap

Tech Stack

Tools & technologies

Distributed SystemsElasticSearchGoogle Cloud PlatformJavaScriptNode.jsPostgresReactTypeScript.NET

About the role

Key responsibilities & impact

Build high-quality, innovative, and high-performing software solutions
Serve as subject matter expert across multiple areas of the system and tech stack
Make architectural and technical decisions with team-wide impact and document trade-offs
Own delivery of significant, complex projects with multiple moving pieces and full autonomy
Identify and mitigate technical risk early and unblock others
Set code review patterns and standards for the team
Grow L1 and L2 engineers through mentorship, pairing, and code review feedback
Establish and maintain engineering practices with the Engineering Manager and Principal Engineer
Lead the pod technically by setting direction and translating product decisions into technical plans
Collaborate with Product on roadmap and scoping conversations
Communicate architectural decisions to technical and non-technical stakeholders
Handle complexity and ambiguity in a fast-growing company and evolving product

Requirements

What you’ll need

6+ years of experience building and shipping production-quality software is preferred
Proficiency across C#, React, TypeScript, Node.js, .NET, GCP, Postgres, Pub/Sub, and Elasticsearch
Demonstrated track record of making architectural decisions that had team-wide impact
Experience owning and delivering multi-piece, cross-functional projects with full autonomy
Deep expertise in multiple areas of a complex codebase, with the ability to handle genuinely ambiguous problems
Experience developing high-performance, scalable, and distributed systems
Strong mentorship track record
Ability to drive engineering best practices and establish standards adopted by the team
A positive attitude, a passion for sharing knowledge, and a borderline unhealthy commitment to code quality
Bachelor’s degree in a related field is appreciated but not required; equivalent practical experience is valued
Candidates may come from non-traditional backgrounds

Benefits

Comp & perks

Health, dental, and vision insurance
Life Insurance
Additional Supplemental Benefits
401(K) contribution (no match)
Paid Time Off
Remote work flexibility available