Senior Software Engineer
X4 Life Sciences
Washington, DC · Posted November 2, 2026
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Where Washington, DC ranks
Where Washington, DC placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Cities hosting the most business conferences in the Mid-Atlantic104 conferences · of 12
- #1Cities hosting the most government & public sector conferences18 conferences · of 29
- #1Cities hosting the most accounting & audit conferences8 conferences · of 14
- #1Cities hosting the most finance conferences9 conferences · of 24
- #1Cities hosting the most legal conferences10 conferences · of 10
- #2Best cities for sales pay after cost of living$169k · of 45
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 1,035 open senior software engineer listings that state pay, the middle half runs $166,500 to $222,000 and the median is $198,500.
Listed pay is what employers advertise, not what people are paid.
Senior Software Engineer salaries by state · Check your own pay
How AI is used in this kind of work
Among software developers, AI is already used for some of the tasks. Measured exposure for software developers: 29% (some).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
... Senior AI/ML Engineer | Healthcare AI
X4 are partnered with a growing healthcare AI company that builds intelligent software for healthcare organizations. Their products use machine learning, generative AI and AI agents to cut through complex clinical and administrative...