Jobs in the United States

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Added 1 min ago
Powertrain Development Engineer
Roush Yates Racing Engines
Mooresville, NC
We're looking for an experienced Powertrain Development Engineer to conduct motorsport engine development for NASCAR and sports car programs. . This is an exciting opportunity to work at…
Added 4 mins ago
Principal Engineer - Integration, Test, & verification
Firestorm
United States
…Regulations (EAR), you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or otherwise eligible to obtain the required…
Added 4 mins ago
Senior Product Manager, UAS Development
Firestorm
United States
Communication. Clear, concise writing and briefing. You can explain a trade to an operator, a program office, and an engineer.
Added 6 mins ago
A
Advanced Mechanical Design Engineer
Aerospace
San Diego, CA
- $117,000 to $146,000 USD / year
As an Advanced Mechanical Design Engineer here at Honeywell Aerospace-EDS, you will be a key contributor to the design and development of complex integrated RF\High speed printed circuit…
Added 6 mins ago
A
Principal Project Engineer
Aerospace
Plymouth, MN · Minneapolis, MN
- $156,000 to $196,000 USD / year
Seeking an experienced Project Engineer to lead the next generation guidance sensors with the design team in Minneapolis Minnesota to meet the high demand of reliable and efficient…
Added 11 mins ago
Manufacturing Engineer 4
APPLIED COMPOSITES INC
Los Alamitos, CA
Applied Composites Los Alamitos (ACLA) is seeking a Sr. Manufacturing Engineer with Composites Processing and Tool Design Background, who will serve as a technical leader and subject matter…
Added 16 mins ago
Site Reliability Engineer (Application Software)
SpaceX
Hawthorne, CA
…a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to…
Added 16 mins ago
Principal Software Engineer (Application Software)
SpaceX
Hawthorne, CA
…a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to…
Added 17 mins ago
Maintenance Team Member
Cardinal Group Companies
Denver, CO
…and the community. This is accomplished by ensuring that all resident maintenance issues are resolved expertly and…
Added 17 mins ago
Maintenance Team Member
Cardinal Group Companies
Tallahassee, FL
…and the community. This is accomplished by ensuring that all resident maintenance issues are resolved expertly and…
Added 21 mins ago
IT Infrastructure & Systems Engineer
Star Catcher
Jacksonville, FL
…space. We are seeking a hands-on IT Infrastructure & Systems Engineer to support enterprise systems, network operations, cybersecurity tools, end-user technology, and IT projects. As…
Added 24 mins ago
SS
Aerospace Engineer
Starfish Space Inc.
Littleton, CO
- $100,000 to $180,000 USD / year
- Must be a US person (citizen or permanent resident)
Added 25 mins ago
Quality Engineer
Safran
Grand Prairie, TX
The Quality Engineer is a member of the Quality Team with primary responsibilities for ensuring the quality and airworthiness of components and repairs carried out at the repair station…
Added 26 mins ago
Full Stack Software Engineer
STC
United States
STC is hiring a Fullstack Software Engineer to work across the HIVE program's two core repositories: a React/TypeScript micro-frontend monorepo and a Java/Spring Boot microservices backend,…
Added 26 mins ago
Sr DevSecOps Engineer
STC
United States
STC is hiring a Senior DevSecOps Engineer to build and operate the cloud platform behind the HIVE safety-of-life weather-warning system for the National Weather Service. The platform runs…
Added 26 mins ago
Sr DevSecOps Security Specialist
STC
United States
…security and compliance into a technical DevSecOps role, or for an engineer ready to grow into cybersecurity configuration and federal security…
Added 26 mins ago
Verification Engineer
STC
United States
STC is seeking a Verification Engineer/Quality Assurance specialist to support the National Weather Service (NWS) on the AWIPS Application Environment contract. As a Verification Engineer,…
Added 26 mins ago
Staff Engineer - I&C Job Details | Black & Veatch Family of Companies
Black & Veatch
Dallas, TX
…construction support, field services, testing, commissioning, resident engineering, staff augmentation, training, on-call services, and system implementation, configuration, and…
Added 27 mins ago
Sr. Strategic Healthcare Advisor
Quantum Health, Inc.
Remote, United States
Engineer effective prompts and queries to develop deeper insights and answer complex questions using GenAI and other analytical tools.
Added 27 mins ago
NC
General Engineer
National Cemetery Administration
Oakland, CA
- $133,060 to $172,980 USD / year
The incumbent works with Project Engineers, Resident Engineers, National Cemetery Administration Central Office Project Managers, Cemetery Directors and West District Office (WSD) office…
Added 28 mins ago
Quality Engineer
MAN Materion Newton Inc.
Newton, MA
The Quality Engineer will be responsible for overseeing the quality assurance processes related to customer orders, ensuring that all products meet the specifications and expectations of…
Added 40 mins ago
Senior Optical Systems Engineer
Optimax Systems Inc.
Ontario, NY
The Senior Optical Systems Engineer is responsible for any and all parts of the development of optical assemblies. A successful candidate will be able to design novel lenses, perform…
Added 41 mins ago
SO
Highway Technician Senior - Chariton RCE
State of Iowa
Chariton, IA
- $25.89 to $39.33 USD / hour
Location: Chariton Resident Construction Engineer Office
Added 41 mins ago
IS
Propulsion Engineer, Stage
Impulse Space
Redondo Beach, CA
- $100,000 to $140,000 USD / year
As a Propulsion Engineer at Impulse Space, you will own all aspects of propulsion system design, analysis, implementation and operation while working closely with a fast paced, agile team…
Added 41 mins ago
IS
Senior Propulsion Engineer, Stage
Impulse Space
Redondo Beach, CA
- $140,000 to $195,000 USD / year
As a Senior Propulsion Engineer at Impulse Space, you will own all aspects of propulsion system design, analysis, implementation and operation while working closely with a fast paced, agile…

Addgene

Application Developer IV

Watertown, MA, United States

SALARY $130,000 - $145,000

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Job details

Pay: SALARY $130,000 - $145,000
Apply by: Feb 1, 2027
Posting language: English
Posted: Nov 3, 2026

Original job description

TITLE Application Developer IV (Full Time)

WHAT YOU WILL ACHIEVE

The Application Developer IV will join our Application Development team to architect and build features across our digital products and lead complex technical initiatives. You’ll help shape how we build and evolve the systems that power Addgene’s operations and researcher experience, so we can better serve researchers and partners with greater reliability, clarity, and speed as the organization grows.

POSITION REPORTS TO

Director of Application Development

APPROXIMATE START DATE

January 2027

SALARY $130,000 - $145,000

LOCATION & POLICY ON REMOTE WORK

This role is completely flexible to be fully remote, hybrid, or onsite, whatever works best for you! Our office is located at 490 Arsenal Way in Watertown, Massachusetts. Our beautiful office space has free, ample parking with a complimentary shuttle from Harvard Square and is on multiple bus lines, with the cost of public transit fully covered by Addgene (if onsite at least 2 days/week).

You must be a resident in one of the following states: MA, VT, ME, RI, NC, FL, CO and OH.

The Role:

The Application Development team builds and evolves the systems behind Addgene’s digital products as part of our digital product development practice, collaborating closely with Digital Technology teams and others across the organization, so researchers and partners can rely on the high-quality solutions we deliver. We are looking for a senior engineer who brings sound judgment to complex technical work, drives challenging initiatives forward while staying aligned with roadmap priorities, and helps the team adapt its engineering practices as AI and other emerging tools reshape how we build software.

To Succeed in this Role, You Will:

Lead complex digital product initiatives from discovery through delivery: turn prioritized opportunities into sound technical solutions, provide clear options and reliable cost estimates, and advance roadmap outcomes through to completion
Architect and deliver features across our digital products, balancing roadmap goals with long-term maintainability and paying down technical debt as you go
Build and evolve systems and workflows that maintain data integrity under concurrent use, retries, and partial failures
Help the team evaluate and adopt AI and other emerging tools in ways that improve how we build and deliver software
Improve our test strategy by choosing the right kinds of tests so the team can ship confidently and efficiently
Identify where performance improvements matter most and use data to guide and confirm the results
Help other engineers grow through mentoring, code review, and pair programming

Skills and Competencies Must-haves

6+ years building and maintaining production web applications, with deep Python and Django expertise
Working fluency across a modern web stack: JavaScript, HTML/CSS, SQL, REST APIs, Docker, Git and CI
A track record of shaping test strategy for a codebase, balancing speed, coverage and confidence, and helping others do the same
Experience designing systems that maintain data integrity under concurrent use, with sound transaction handling and idempotent operations
Strong instincts for clean, maintainable design, favoring explicit dependencies and well-scoped state over shortcuts
Deep experience with database performance in Django applications, from query design to indexing and profiling
Experience making significant data-model changes and migrations in a production application without disrupting users
Experience with search relevance, embeddings, or recommendation systems, including measuring whether results actually improved
Experience building, evaluating or integrating machine learning or LLM-based features, such as classification, ranking or features that work with scientific data

Behavioral competencies

Takes ownership of work from first idea through production, and follows through
Leads through influence: disagrees constructively, explains tradeoffs to non-engineers and builds shared approaches
Seeks and acts on feedback as readily as giving it
Mentors generously and shares knowledge openly
Thinks ahead about what could go wrong and raises risks early
Stays curious and keeps learning as tools and practices evolve

Nice to have (not required) None of these are necessary to apply. Each would be a welcome addition to the team.

Experience with AI-assisted development beyond individual use: helping define a team’s AI coding harness (shared agent instructions, guardrails, evaluations and automated quality checks) and keeping current as these tools and practices evolve
Designing versioned public APIs and role-based access control for external partners or customers
Advanced software design: layered or domain-driven design in Django, async or event-driven patterns, observability, and web security practices such as Content Security Policy
Third-party integrations and data pipelines, including responsible handling of personal data
Familiarity with molecular biology, lab workflows or research data

Benefits

At Addgene, we prioritize our people with comprehensive benefits that support both your work and your life.

Full-time employees receive:

85% company-paid healthcare premiums including dental (extending to family members) and 100% company-paid deductible
Life, short-term, and long-term disability insurance.
22 days of PTO on top of our winter break closure and company holidays. ‌
A 403(b) retirement account with a company match of 4% after 2 years of employment. ‌
Annual professional development stipend
Annual lifestyle stipend
Fully paid public transportation for employees who work onsite two or more days per week. ‌
Onsite yoga classes & wellness reimbursement
Pet insurance
Annual financial planning one-on-ones with our plan administrator

The Organization:

Addgene is a self-sustaining, thriving nonprofit life sciences organization that was created to help scientists share DNA-based research materials called plasmids. ‌Our mission is to accelerate research and discovery by improving access to useful research materials and information. Since its founding in 2004, Addgene has grown and innovated in order to assist the research community by archiving and sharing useful DNA-based research materials and resources (such as plasmids, viral vectors, and recombinant antibodies) with scientists worldwide. Broad availability of these unique research materials promotes the advancement of research in a wide variety of disciplines, including cancer, heart disease, and neurodegenerative disorders, while increasing collaboration within the scientific community. Learn more here from our President & Executive Director, Chonnettia Jones. As an “Addgenie”, you will work collaboratively with internal teams to help fulfill this mission, including scientists, software engineers and product developers, renowned customer support teams, scientific content creators, and business development professionals. Together, Addgenies create and enhance opportunities for research scientists to deposit their materials, find products and resources easily on our website, and receive unparalleled support in receiving and expertly using our materials in their own experiments.

Life at Addgene:

Addgene is a truly special place to work. We are an inclusive and welcoming group of people from many backgrounds and perspectives. We believe in flexibility, actively supporting professional development, and a strong work/life balance. We value sharing ideas and feedback with each other and the company. Learn more about Life at Addgene We also believe it's important to make time for fun, whether it's eating popcorn at our outdoor movie night, sharing cute photos in the #pets slack channel, or sampling whiskeys at our end-of-year social hour. Bookworms, athletes, gamers, parents, foodies, and more will find community in Addgene's events and Slack channels. Addgene works with a global scientific community in which the best innovations and discoveries come from diverse teams. We continuously learn from and celebrate a variety of perspectives and seek to create an environment where all people can feel heard, respected, and valued.

Addgene is an Equal Opportunity Employer and considers all applicants without regard to race, color, religion, national origin, sex, ancestry, sexual orientation, genetic information, gender identity, active military or veteran status, age, handicap, or any other characteristic protected by Federal, State or Local law.

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Skills

Coaching
Python
Django
JavaScript
HTML
CSS
SQL
API development
Docker
Git
Machine learning
Statistical quality control
Molecular biology
Research

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