Senior Software Engineer, Backend

Job overview

The Senior Software Engineer, Backend role is hybrid in Bellevue, WA, with three days in the office Monday through Wednesday and optional remote work Thursday and Friday. Compensation is $160,000–$210,000 per year, plus equity. Cognitiv develops a deep-learning advertising platform and ContextGPT products. The engineer owns backend design and delivery for ContextGPT integrations, building reliable, scalable services and APIs as the platform expands. The role also improves observability and system reliability, mentors engineers, and aligns technical decisions with product and business priorities.

What you'll do

• Design and deliver .NET Core backend services and APIs
• account for scalability, performance, failure modes, and security
• improve metrics, logging, and monitoring
• lead blameless post-mortems and systemic fixes
• conduct code reviews and provide technical mentorship
• collaborate with Product and Engineering leadership.

What we're looking for

Skills & competencies

senior software engineer

backend

.net core

apis

distributed systems

system reliability

observability

contextgpt

hybrid

bellevue wa

monday–wednesday in office

$160k–$210k/year

equity

cognitiv

Work arrangement

• Weekend coverage required

Benefits & perks

• Equity, medical, dental and vision plans for US employees, 12 weeks paid parental leave plus four weeks work-from-home, unlimited PTO, work-from-anywhere August, career development, hybrid work model, daily team lunch, wellness stipend, cell phone reimbursement, 401(k) match, commuter benefits, employee assistance program, and onboarding.

Why this role

Hybrid schedule: three office days Monday–Wednesday and optional remote work Thursday–Friday. Salary is $160,000–$210,000 plus equity. Experience with .NET Core, AWS, RDS, ClickHouse, or Datadog is listed as a bonus.

About the employer

Cognitiv is hiring for this role. Industry: Software Publishers. Sector: 51.