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About this Senior Software Engineer role at Two Six Technologies

Two Six Technologies · Onsite · Arlington, Virginia

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future.

Overview of Opportunity 

Two Six Technologies is hiring a Senior Software Developer to support the customer's mission-essential applications within an Agile Team. The developer will be responsible for the development and support of high-performance Go-based multi-domain platforms,  leveraging a distributed database and messaging infrastructure on a decentralized compute mesh.

Location: Arlington, Va

What you will do:

  • Implement complex platform architectures including, but not limited to, distributed or decentralized topologies, scalable and efficient data fabric, APIs, message queuing and event streaming, secure authentication and authorization, and containerization and orchestration.
  • Participate in code reviews and ensure high-quality, reusable, and highly concurrent code.
  • Troubleshoot and debug complex distributed systems issues, including performance optimization, latency reduction, and database query tuning.
  • Provide continuous maintenance, support, and enhancements in existing data pipelines and backend systems.
  • Provide customer support for software systems and application issues.
  • Stay up to date with industry trends, and emerging technologies, applying this knowledge to improve our backend architecture.

What you will need:

  • Minimum of 5+ years of Software Development experience, or the equivalent combination of education, technical training or work experience.
  • Strong proficiency in Go (Golang), including experience with concurrent programming, Goroutines, and microservices architecture.
  • Deep understanding of Distributed Systems, including fault-tolerant design, event-driven architectures (e.g., Kafka, RabbitMQ), and service mesh or discovery tools.
  • Strong proficiency with Databases, including advanced relational schema design (e.g., PostgreSQL), NoSQL solutions (e.g., DynamoDB, Cassandra), and distributed caching (e.g., Redis).

Security Clearance:

  • Eligibility to obtain and maintain a TS/SCI clearance 

#LI-MS1

Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. We believe in rewarding skills, experience, and performance. Our offerings include but are not limited to, medical, dental, and vision insurance, life and disability insurance, retirement benefits, paid leave, tuition assistance and professional development.

The projected salary range listed for this position is annualized. This is a general guideline and not a guarantee of salary. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements.

Salary Range
$124,600—$200,500 USD
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How this Software Engineer salary compares

This role pays $162,550/yr — in line with the typical range for Software Engineer roles.

$137,500 median $179,704 $263,400

Typical range $162,000–$238,250/yr, from 34 comparable Software Engineer listings on JobsRadar (pay annualized to USD). See Software Engineer salary insights →

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