Senior Software Developer

BECU

Senior software developer building secure, scalable systems for BECU, a member-owned financial services cooperative. Leading engineering workstreams, modernizing platforms, and mentoring developers across the full SDLC.

Posted 8/4/2026full-timeTukwila • Arizona, California, Idaho, North Carolina, Oregon, South Carolina, Texas, Virginia, Washington • 🇺🇸 United StatesSenior💰 $141,800 - $173,300 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing scalable, secure services and applications using .NET, C#, Node.js, and modern JavaScript frameworks. Proficient in leading engineering teams, mentoring developers, and applying secure coding practices throughout the software development lifecycle.

Highest-signal resume keywords

Expertise In .NET, C#, Node.js, And Modern JavaScript/TypeScript FrameworksExperience With CI/CD Systems Such As Azure DevOps Services And JenkinsProficiency In Test-Driven Development Concepts And ToolsDeep Experience In Server-Side And Client-Side Web DevelopmentKnowledge Of Public Cloud Technologies Including Azure And AWS

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

.NETC#Node.jsJavaScriptTypeScriptSQLREST/Web ServicesMachine Learning FrameworksSOLID Design PrinciplesTest-Driven Development

Soft Skills

MentoringCollaborationCommunicationLeadershipProblem-Solving

Tools & Technologies

Azure DevOps ServicesGitHub ActionsJenkinsPowerShellBashStatic Code Analysis ToolsYAMLETL ProcessesAnalytics EnginesNoSQL Systems

Industry Keywords

Software Development LifecycleDistributed Systems DesignCloud TechnologiesData AnalyticsService Mesh

Tech Stack

Tools & technologies

AndroidAngularASP.NETAWSAzureCloudDistributed SystemsETLFlutterJavaJavaScriptJenkinsKotlin.NETNode.jsNoSQLPythonReactReact NativeSDLCSpringSpring BootSpringBootSQLTypeScript

About the role

Key responsibilities & impact

Design and develop scalable, resilient, and secure services, prototypes, proofs of concept, and production-ready features
Lead small to medium engineering teams through designing, building, testing, and delivering system components and services
Model coding standards, conduct code reviews, and champion clean, maintainable design principles
Identify and drive modernization and technical improvements, including greenfield initiatives
Collaborate with architects and product owners on technical direction, roadmaps, and long-term engineering strategy
Mentor junior developers and SDETs through pairing, feedback, and knowledge-sharing
Lead automation and process-streamlining efforts
Share technical insights and communicate complex concepts to technical stakeholders
Apply secure coding practices and resolve vulnerabilities using static analysis tools
Contribute across the full SDLC, including analysis, design, coding, debugging, testing, documentation, and operational hand-off
Build and maintain data models, database scripts, and migrations for large datasets and analytics workflows
Shape engineering direction, patterns, and best practices across BECU
Collaborate with architects, product owners, analysts, and cross-functional technical partners
Support member-first digital experiences and BECU’s mission to improve members’ financial well-being

Requirements

What you’ll need

Bachelor’s degree in Computer Science or related discipline, or equivalent work experience required
Minimum five years of experience designing software and writing production code in a team environment
Regular use of static code analysis tools to identify and correct secure coding flaws
Ability to deliver highly scalable solutions in multiple programming languages and technical environments across the full product lifecycle
Expertise with .NET, C#, Node.js and modern JavaScript/TypeScript frameworks, or Python
System administration and automation with PowerShell or Bash
Knowledge of open-source technologies and libraries
Experience with public cloud technologies including Azure, AWS, or Google Cloud
Deep experience in server-side web development, modern client-side web development, REST/web services, large-scale data analytics with machine learning frameworks, networking, or service mesh
Expertise in SOLID design principles, object-oriented programming and design
Experience with SOA patterns and distributed systems design
Expertise with CI/CD systems such as Azure DevOps Services, GitHub Actions, Jenkins, or TeamCity
Proficiency building deployment pipelines in YAML
Deep expertise in test-driven development concepts, methods, and tools
Experience with unit, integration, or performance/load testing
Experience using Git, including code reviews, pull requests, and Git Flow or trunk-based development
Experience presenting to technically adept audiences
Experience with SQL, large datasets, data warehousing, sophisticated ETL processes, and analytics engines
Ability to stay current with emerging technologies through work or continuing education
Experience leading and collaborating within teams through all aspects of the SDLC
Proficient verbal and written communication skills
Full-time hours required
Preferred: knowledge of cloud-hosted SQL data stores and NoSQL systems
Preferred: full-stack development across front-end and back-end technologies
Preferred: .NET, C#, ASP.NET, MVC, and .NET Core web and service development
Preferred: .NET and Java Spring Boot service/API development
Preferred: mobile technologies including Angular, React Native, Flutter, Kotlin, and Java for Android
Preferred: full-stack senior development across modern UI frameworks, APIs, and database systems

Benefits

Comp & perks

401(k) Company Match (up to 3%)
4% annual contribution to your 401(k) by BECU
Medical, Dental and Vision (family contributions as well)
PTO Program + Exchange Program
Tuition Reimbursement Program
BECU Cares volunteer time off + donation match
Compensation incentives are available; incentives are performance based and targets vary by role
Opportunities for continuous learning and technical growth
Freedom to explore, prototype, and influence emerging technologies and engineering approaches