Manufacturing Engineer

Citadel; Antioch (CA); On-site; USD 123,000 - 187,000; Full time

Job summary

Citadel, based in Antioch, CA, is seeking a Manufacturing Engineer who will focus on building scalable systems with Spring Boot and TypeScript. The role emphasizes hands-on engineering work over meetings, with a compensation range of $123,000 to $187,000 annually.

The successful candidate will own critical written communication streams, contribute to mentorship, and help harden systems while aligning with Citadel’s growth roadmap in Northern California.

Qualifications

• 7+ years of standing behind your own estimates.
• Portfolio or work samples demonstrating technology expertise.
• Working knowledge of Spring Boot.
• Practical TypeScript skills sharpened in an internship setting.

Responsibilities

• Implement secure authentication and authorization flows using TypeScript.
• Catch the candor-rich Interpersonal Skills regression in staging before it ever reaches Antioch customers.
• Own the senior Written Communication workstream that unblocks the rest of Citadel's Antioch, CA roadmap.
• Apply Jest and Go to solve quietly-relentless engineering challenges.
• Negotiate Linux tradeoffs with product when Citadel timelines and reality collide.
• Stress-test Spring Boot systems until they bend, then harden where they cracked.
• Own the question-everything Written Communication subsystem that the rest of Citadel quietly depends on.
• Cut Jest cold-start times so Citadel functions wake before CA users notice.

Skills

Critical thinking

Independent judgment

Interpersonal skills

Written communication

Pattern recognition

Tools

Spring Boot

TypeScript

Jest

Go

Linux

Job description

Our next Manufacturing Engineer will spend less time in meetings and more time in Spring Boot, which is how Citadel prefers to operate. The structure is built for growth: $123,000 - $187,000 now, technology ownership soon, and a Citadel ladder that keeps adding rungs.

Key Responsibilities

• Implement secure authentication and authorization flows using TypeScript
• Catch the candor-rich Interpersonal Skills regression in staging before it ever reaches Antioch customers
• Own the senior Written Communication workstream that unblocks the rest of Citadel's Antioch, CA roadmap
• Apply Jest and Go to solve quietly-relentless engineering challenges
• Negotiate Linux tradeoffs with product when Citadel timelines and reality collide
• Stress-test Spring Boot systems until they bend, then harden where they cracked
• Own the question-everything Written Communication subsystem that the rest of Citadel quietly depends on
• Cut Jest cold-start times so Citadel functions wake before CA users notice

What You'll Bring

• Critical thinking skills and sound, independent judgment
• A portfolio or work samples that demonstrate your technology expertise
• Working knowledge of Spring Boot alongside transferable Interpersonal Skills chops
• At least 7 years of standing behind your own estimates
• Eagerness to take ownership and run with new responsibilities
• Pattern recognition earned across many technology engagements
• Practical TypeScript skills sharpened in an internship setting

Quietly, from Antioch, Citadel has become the flexible technology partner that CA's most demanding teams refuse to replace. We look out for one another, and burnout is treated as a problem to solve, not a badge to wear.

Here the offer compounds, $123,000 - $187,000 now, mentorship next, benefits throughout, and flexible Antioch, CA hours for the long haul.

The Antioch, CA office is bringing people on this season, and this is one of those roles.