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Mercury Aircraft

44 Mercury Software Developer Jobs Hiring Near You

Mercury

Software Engineer - Product

San Francisco, CA · On-site +1

$122K - $158K/yr

... of controlling an aircraft into a more graceful and manageable endeavor. At Mercury, we are ... Our product engineering group is growing and we're looking to hire backend and full-stack engineers.

Mercury

Senior Full-Stack Engineer

San Francisco, CA · On-site +1

... of controlling an aircraft into a more graceful and manageable endeavor. At Mercury, we are ... We want to transcend the status quo for banking and fintech software, and many of our customers are ...

Mercury

Senior Software Engineer - AI Engineering

$125K - $165K/yr

Mercury is a company making a deliberate, company-wide bet on AI, aiming to transform scattered AI experiments into shared infrastructure and capabilities. The Senior Software Engineer will extend ...

Mercury

Head of Data Engineering & Platform

Portland, OR · On-site

$362K/yr

... systems, developer tooling, cloud infrastructure, and much of the software we rely on today--not ... Mercury is a fintech company, not an FDIC-insured bank. Banking services provided through Choice ...

mercury

Test Engineer I

Chantilly, VA · On-site

... across Mercury's ruggedized servers and secure software product lines. * Design and implement ... Partner with systems engineering, hardware design, and software development teams to align test ...

mercury

Principal Engineering Project Lead

Hudson, NH · Hybrid

... Software Engineering, System Architecture, Integration, Test, Quality, and Documentation to facilitate the effective on-time/on-budget development and delivery of Mercury's products and system ...

mercury

RF Engineer III

Hudson, NH · On-site

Mercury Systems is seeking the best and brightest talent to help us bring cutting edge technology ... Experience using data analysis tools such as MATLAB and simulation software (Microwave Office, ADS ...

mercury

RF Engineer II

Oxnard, CA

Mercury Systems is seeking the best and brightest talent to help us bring cutting edge technology ... Experience using data analysis tools such as MATLAB and simulation software (Microwave Office, ADS ...

mercury

Senior RF Engineer

Oxnard, CA

Mercury Systems Signal Technologies group has a great opportunity for an RF Electrical Engineer III ... Experience using RF simulation software (Microwave Office or AWR, ADS, HFSS) * Broad experience ...

mercury

RF Engineer Principal

Hudson, NH

Mercury Systems is seeking the best and brightest talent to help us bring cutting edge technology ... Expertise using RF simulation software (Microwave Office, AWR, ADS, HFSS). * Experience ...

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What is it like to work at Mercury?

Mercury is a technology-driven company that values innovation, collaboration, and a fast-paced work environment. The company's team structure is designed to foster a sense of community, with employees working closely together across various departments to drive mission success, and its offices often feature open layouts and modern amenities. Working at Mercury may appeal to candidates who are passionate about technology and problem-solving, as the company offers opportunities to work on cutting-edge projects and contribute to its mission of advancing the field of technology.

What makes Mercury an attractive place to work?

Mercury is a well-established and respected company in its industry, known for its commitment to innovation and customer satisfaction. The company's workplace culture values collaboration, flexibility, and continuous learning, providing employees with opportunities to grow professionally and contribute to meaningful projects. Joining Mercury offers the chance to be part of a dynamic team that drives progress and innovation, with opportunities for career advancement and personal development in a fast-paced and challenging environment.

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Senior Software Engineer - Mercury Command

Mercury

Portland, OR • On-site

$129K - $171K/yr

Full-time

Re-posted 20 days ago

Job description

Job Summary:
Mercury is a fintech company that is building technology to enhance financial interfaces for the long term. The Senior Software Engineer will be responsible for designing and shipping new capabilities for Command, maintaining the LLM layer, and ensuring the reliability and quality of the product.
Responsibilities:
• Design and ship new Command skills, the domain-specific instruction sets that teach the model how to handle workflows like sending money, managing invoices, and understanding cash flow
• Design and build agentic workflows in Command, defining the architecture for how multi-step agent interactions should work as we extend what the product can do on a customer's behalf
• Work with backend teams to define tool schemas for new capabilities, shaping the data contracts between Mercury's business logic and the model
• Own new capabilities end to end, from the system prompt to the frontend component that renders the response
• Maintain and evolve Command's prompt architecture: the system prompt, skill loading system, session context, and the policy and compliance layers underneath
• Tune model behavior: reasoning effort, prompt caching strategy, fallback chains, and the streaming patterns that make the product feel fast
• Stay current with how models are evolving and bring that knowledge back to how Command is built
• Write and expand Command's eval harness, adding cases that cover new capabilities and scoring rubrics that detect regressions before users do
• Partner with product and compliance teams to define what 'working correctly' means for each new capability, then build the tests that prove it
• Own the reliability and quality of what you ship, from initial design through post-launch monitoring
Qualifications:
Required:
• Has 7 or more years of software engineering experience, with deep technical expertise building and scaling LLM-powered applications in production
• Has gone beyond shipping a first version: you have scaled an LLM-powered product, dealt with the reliability and performance problems that come with real usage, and made it better over time
• Has experience designing agentic systems and has opinions about how to architect multi-step workflows that are reliable, explainable, and safe to run on behalf of real users
• Has built eval infrastructure and can write cases that actually measure whether the product works, not just whether the model outputs something plausible
• Understands the real tradeoffs in LLM deployments: latency, cost, compliance, and what breaks in production that doesn't show up in demos
• Has opinions about what makes an AI product trustworthy, not just impressive, and can build toward that bar
• Is comfortable with TypeScript and willing to learn Haskell for backend tool work, or already comfortable with both
• Can work across the full stack of an AI product, from the system prompt to the streaming frontend
• Has a track record of mentoring engineers and raising the technical bar of their team
Company:
Mercury provides digital banking and financial tools tailored for startups and modern businesses. Founded in 2017, the company is headquartered in San Francisco, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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