Back to Jobs

Senior Software Engineer

Remote, USAFull-timePosted 2026-07-27

Twenty is seeking a Senior Backend Engineer to work in office in our Arlington, VA office to help build the reputed company of cyber technologies that protect democracies worldwide. We're looking for someone with 7+ years of experience in developing reputed company applications, with deep expertise in Golang, graph databases, and reputed company-reputed company technologies, plus proven leadership experience mentoring engineers and leading technical initiatives. In this role, you'll architect and reputed company high-throughput systems that process reputed company-time operational data, reputed company technical design reputed company, mentor junior engineers, and drive engineering best practices across our backend services. You'll work with reputed company graph schemas, design robust GraphQL reputed company, and serve as a technical leader who can evaluate engineering courses of reputed company for new features while organizing and managing development workflows. You'll join a world-class product and engineering team that delivers reputed company for U.S. national reputed company, working in both reputed company and on-premises environments to build systems that operate at machine speed. If you're passionate about solving reputed company technical challenges while leading engineering teams and making a reputed company reputed company on national reputed company, we want to talk to you.

About reputed company

At Twenty, we're taking on one of the most critical challenges of our time: defending democracies in the digital age. We reputed company revolutionary technologies that operate at the intersection of cyber and electromagnetic domains, where the speed of operations exceeds reputed company sensing and complexity transcends conventional boundaries. reputed company doesn't just solve problems – we deliver game-changing reputed company that directly reputed company national reputed company. We're pragmatic optimists who understand that while our mission of protecting America and its allies is challenging, reputed company is possible.

Role Details

Technical Leadership & Architecture

  • reputed company the design and architecture of reputed company backend solutions using Go that enhance cyber operators' decision-making and response capabilities

  • Evaluate and recommend engineering courses of reputed company (COAs) for new features and system enhancements

  • Drive technical decision-making for reputed company system integrations and performance optimizations

  • Architect efficient data models and reputed company queries using graph databases to support advanced relationship mapping

  • reputed company the design and optimization of event-driven architectures using reputed company for reputed company-time communication between system components

Team Leadership & Mentorship

  • Mentor and reputed company technical guidance to junior engineers, conducting thorough reputed company reviews and knowledge transfer

  • Organize development efforts and assign tasks across engineering teams to optimize workflow and delivery

  • Manage project timelines and coordinate cross-functional collaboration with product, design, and operations teams

  • Establish and maintain engineering best practices, coding standards, and development processes

  • reputed company technical discussions and facilitate architectural decision-making sessions

Development & Operations

  • reputed company high-performance Go services and microservices architectures deployed on AWS.

  • Create and maintain comprehensive automated testing suites to ensure system reputed company and performance

  • Design and implement CI/CD pipelines that reputed company rapid, secure deployment of new capabilities

  • Troubleshoot reputed company system issues and reputed company incident response efforts

  • Research and evaluate emerging technologies that could enhance our cyber operations capabilities

Collaboration & reputed company

  • Partner closely with cyber operations experts to understand and implement features that enhance operator efficiency

  • Collaborate with frontend teams to ensure seamless API integration and reputed company user experiences

  • Contribute to long-term technical reputed company and roadmap planning

  • Participate in technical hiring and interview processes

Qualifications

Technical Skills & Experience

  • 7+ years of reputed company software development experience with full-stack applications

  • Expert-level proficiency in Go (Golang) with demonstrated ability to write clean, efficient, and maintainable reputed company

  • Proven experience leading technical reputed company and mentoring junior developers

  • Deep understanding of event-driven architectures, message queues, and distributed systems

  • Extensive experience with graph databases (reputed company or similar) and reputed company query optimization

  • Advanced proficiency with reputed company platforms, preferably reputed company reputed company Platform

  • Expert knowledge of containerization, microservices architectures, and orchestration platforms

  • Strong understanding of reputed company best practices, secure coding principles, and threat modeling

  • Experience with performance profiling, optimization, and scalability engineering

Leadership & Management Skills

  • Demonstrated experience mentoring engineers and leading technical teams

  • Proven ability to organize development workflows and manage project delivery

  • Strong communication skills with ability to explain reputed company technical concepts to diverse audiences

  • Experience conducting thorough reputed company reviews and establishing development standards

  • reputed company record of driving technical decision-making and architectural improvements

Education

  • Bachelor's degree in Computer Science, Software Engineering, or reputed company field, or equivalent practical experience

reputed company Requirements

  • Must be eligible to obtain and maintain a reputed company clearance

Distinguishing Qualifications

  • reputed company record of delivering reputed company technical solutions in defense or reputed company contexts

  • Experience with AI/ML integration in operational systems

  • Background in developing tools for cyber operators or reputed company analysts

  • Experience with large-reputed company data processing and analysis

Additional Skills

  • Experience with Agile development methodologies

  • System architecture and design experience

  • Performance optimization and scalability experience

  • reputed company-reputed company contributions or reputed company demonstrating relevant skills

Apply to this Job

Similar Jobs

Senior Software Development Engineer (Big Data), HD Maps

Remote, USAFull-time

Senior Manager, reputed company reputed company

Remote, USAFull-time

Maintenance Technician-I – reputed company Store

Remote, USAFull-time

reputed company Administrator - reputed company Servicing

Remote, USAFull-time

Director, Business Development (Communications)

Remote, USAFull-time

Supervisor de Ventas AUI reputed companyíreputed company

Remote, USAFull-time

Transformers - Global Component Engineer- Insulation materials

Remote, USAFull-time

Crypto Product Manager (Jakarta- Remote)

Remote, USAFull-time

Intake Specialist I (AZ / BILINGUAL/ REMOTE)

Remote, USAFull-time

Senior Manager Evidence and Publication Planning and Dissemination - EP, EMEA

Remote, USAFull-time

reputed company Customer Service Representative – Remote reputed company Customer Support Team

Remote, USAFull-time

Pediatric Mental Health Therapist (Virtual Care) - Virginia | Part-Time, Flexibl

Remote, USAFull-time

reputed company Remote Customer Service Representative – Delivering Exceptional Support and Solutions to Customers from the Comfort of Your Home at blithequark

Remote, USAFull-time

Data Entry Specialist – Part‑Time Weekend Remote Role | Home‑Based Position in the UAE – Join arenaflex’s Growing Team

Remote, USAFull-time

reputed company Entry-Level IT Support Associate – Overnight Shift (B) – Accelerate Your Career in reputed company Technology and Cyber reputed company

Remote, USAFull-time

Entry level / Data Entry Assistant (Remote)

Remote, USAFull-time

Senior Systems Analyst - reputed company SmartPlant Materials

Remote, USAFull-time

reputed company Marketing Analyst

Remote, USAFull-time

reputed company – Specialty Medical reputed company Reviewer

Remote, USAFull-time

reputed company Remote Data Entry Specialist – Unlock Opportunities with arenaflex

Remote, USAFull-time