Senior Software Engineer * NO THIRD PARTY CANDIDATES *

Yoh Services LLC; Reston (VA); Hybrid; USD 87,000 - 124,000; Full time

Benefits offered by this job

Medical, Prescription, Dental & Vision

Health Savings Account (HSA)

Life & Disability Insurance

401K Retirement Savings Plan

Direct Deposit & weekly epayroll

Referral Bonus Programs

Certification and training opportu n (

Job summary

Yoh seeks a Senior Software Engineer to build and scale AI‑driven applications, agents, and developer tools across platforms. You will work closely with ML scientists, software engineers, DevOps, Product, and QA to deliver secure, high‑performance solutions.

The ideal candidate is hands‑on, translates evolving product concepts into scalable software, and contributes to architecture and production deployment from design to release.

Qualifications

• Five or more years of professional software engineering experience.
• Experience designing and developing large‑scale, distributed, or cloud‑based systems.
• Strong hands-on experience with Python.
• Experience designing RESTful APIs, preferably FastAPI.
• Experience with relational databases (PostgreSQL).
• Understanding of microservices and distributed‑systems architecture.
• Experience with Docker and containerized development.
• Experience with automated testing and test‑driven development.
• Experience with Kafka or similar messaging/streaming tech.
• Experience with Git, CI/CD, and Agile/Scrum practices.
• Strong communication with technical and non-technical stakeholders.
• Bachelor’s or equivalent experience in CS/Engineering.

Responsibilities

• Design, develop, test, deploy, and support production‑quality software for AI products.
• Build and enhance scalable applications, APIs, microservices, and distributed systems.
• Collaborate with ML scientists and engineers to integrate AI capabilities.
• Work with Product, QA, DevOps and stakeholders to define practical technical solutions.
• Break down complex requirements into well‑defined engineering tasks.
• Contribute to architecture, standards, and best practices.
• Troubleshoot performance, reliability, and scalability in production.
• Participate in code reviews, Agile ceremonies, and continuous improvement.
• Provide technical mentorship to other engineers.
• Utilize AI‑assisted development tools to improve productivity and quality.

Skills

Python

RESTful APIs

FastAPI

PostgreSQL

Docker

CI/CD

Git

Agile/Scrum

Kubernetes

AI tooling

Communication

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

Kafka

GitHub Actions

Cloud platforms

Job description

Senior Software Engineer

Location: offices in Reston, VA; Austin, TX or Menlo Park, CA. 100% remote will be considered.

Employment type: long-term contract, 12+ months.

About the Opportunity

Our clientis seeking a Senior Software Engineer to help build, enhance, and scale the applications, agents, and developer tools that support related platforms and services.

You will work closely with machine learning scientists, software engineers, DevOps professionals, Product, and QA to deliver secure, reliable, and high-performance solutions. The ideal candidate is a hands‑on engineer who can operate effectively in a fast‑moving environment, translate evolving product concepts into scalable software, and contribute to technical decisions from architecture through production deployment.

What You’ll Do

• Design, develop, test, deploy, and support production‑quality software supporting AI products.
• Build and enhance scalable applications, APIs, microservices, and distributed systems.
• Collaborate with machine learning scientists and engineers to integrate AI capabilities into client products, agents, and workflows.
• Work closely with Product, QA, DevOps, and business stakeholders to define practical technical solutions.
• Break down complex or ambiguous requirements into well‑defined engineering tasks.
• Contribute to architecture, technical standards, coding practices, and engineering best practices.
• Troubleshoot performance, reliability, scalability, and integration issues in production environments.
• Participate in code reviews, technical discussions, Agile ceremonies, and continuous improvement initiatives.
• Provide technical mentorship and support to other engineers.
• Use AI‑assisted development tools to improve productivity, code quality, testing, and documentation.

Required Qualifications

• At least five years of professional software engineering experience.
• Experience designing and developing large‑scale, distributed, or cloud‑based systems.
• Strong hands‑on experience with Python.
• Experience designing and developing RESTful APIs, preferably using FastAPI.
• Experience working with PostgreSQL or another relational database.
• Strong understanding of microservices and distributed‑systems architecture.
• Experience with Docker and containerized application development.
• Experience with automated testing and test‑driven development practices.
• Experience with Kafka or a comparable messaging, streaming, or queueing technology.
• Experience with Git, CI/CD, and Agile/Scrum development practices.
• Strong communication and collaboration skills with both technical and non‑technical stakeholders.
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
• Demonstrated experience using AI technologies, including large language models, AI agents, or AI‑enabled development tools.

Preferred Qualifications

• Experience with Kubernetes and cloud‑native application deployment.
• Experience building AI‑powered products, agents, platforms, or developer tools.
• Experience using AI coding assistants such as Claude Code, Codex, Cursor, or comparable tools.
• Experience working with machine learning engineers, data scientists, or applied AI teams.
• Experience operating software in security‑sensitive, regulated, government, or mission‑critical environments.
• Experience with observability, performance optimization, and production operations.
• Experience working in an early‑stage, high‑growth, or highly entrepreneurial technology environment.

What Success Looks Like

• Deliver production‑ready features across related AI applications and services.
• Contribute meaningfully to architecture and engineering decisions.
• Improve system reliability, scalability, testing, and development practices.
• Build strong working relationships across Engineering, Product, QA, DevOps, and Machine Learning.
• Help the team use AI‑assisted development tools effectively and responsibly.

Estimated Min Rate: $63.00

Estimated Max Rate: $90.00

What’s In It for You?

• Medical, Prescription, Dental & Vision Benefits (for employees working 20+ hours per week)
• Health Savings Account (HSA) (for employees working 20+ hours per week)
• Life & Disability Insurance (for employees working 20+ hours per week)
• MetLife Voluntary Benefits
• Employee Assistance Program (EAP)
• 401K Retirement Savings Plan
• Direct Deposit & weekly epayroll
• Referral Bonus Programs
• Certification and training opportunities

Note: Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.

Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Visit https://www.yoh.com/applicants-with-disabilities to contact us if you are an individual with a disability and require accommodation in the application process.

For California applicants, qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All of the material job duties described in this posting are job duties for which a criminal history may have a direct, adverse, and negative relationship potentially resulting in the withdrawal of a conditional offer of employment.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

By applying and submitting your resume, you authorize Yoh to review and reformat your resume to meet Yoh’s hiring clients’ preferences. To learn more about Yoh’s privacy practices, please see our Candidate Privacy Notice: https://www.yoh.com/privacy-notice

Stay Safe During Your Job Search

Fraudulent recruiting communications have become increasingly common. Emails from Yoh recruiters will only come from an @yoh.com email address. Yoh will never ask candidates to pay fees, purchase equipment, send gift cards, or transfer funds as part of the recruiting or hiring process. If you receive a communication that appears suspicious or requests payment, contact Yoh directly before responding or sharing personal information.