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Senior Python Developer Jobs

Firefly Aerospace

SEF Energy

Onsite

<p><span style="color: #000000;"><strong><span>Full Stack Developer IV</span></strong></span> </p>
<p><span style="color: #000000;"><strong><span>Desired Traits: Dynamic, Accountable, Returns-Driven, Commercial, Integrity</span></strong></span> </p>
<p><span style="color: #000000;"><strong><span>What is a Full Stack Developer IV?</span></strong></span></p>
<p><span style="color: #000000;">The Full Stack Developer IV develops, integrates, and maintains full-stack applications and cloud infrastructure supporting SEF Energy IT operations, automation, and digital transformation. Independently delivers software solutions across front-end, back-end, database, and cloud layers, driving productivity and operational efficiency across the organization and its subsidiaries.<strong><br /></strong></span></p>
<p><span style="color: #000000;"><strong><span>In this role, you will:</span></strong></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Design, develop, and maintain full stack web applications (React, Next.js, Python) supporting business operations and automation</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Build and maintain cloud infrastructure on Azure and AWS including VMs, networking, containers, and deployment pipelines</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Develop and integrate APIs and middleware connecting internal systems (ERP, email, calendar) with custom applications</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Implement and maintain MQTT broker, real-time data pipelines, and IoT Integrations for operational monitoring</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Design and manage databases (PostgreSQL, SQL Server) including schema design, optimization, and migrations</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Build and maintain CI/CD pipelines and DevOps workflows for automated testing, deployment, and monitoring</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Develop workflow automation integrations (n8n, webhooks, schedule jobs) to streamline business processes</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Collaborate with IT team on security hardening, identity/access management, and infrastructure monitoring</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Provide technical documentation and knowledge transfer for developed systems, APIs, and procedures</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Troubleshoot and resolve production issues across application and infrastructure layers including on-call support</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Occasional travel to company offices or data center facilities may be required, estimated less than 10% of time (must possess a valid driver’s license and meet the                   </span></span><span style="color: #000000;"><span> company driver requirement to operate a company vehicle while traveling)</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Perform other duties as assigned<br /></span></span></p>
<p><span style="color: #000000;"><strong><span>Required and Preferred Experience: </span></strong></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>8+ years of progressive full-stack development experience with demonstrated proficiency across the front-end, back-end, database, and cloud infrastructure</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Proficiency in JavaScript/TypeScript, Python, and SQL</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Experience with React or similar frontend frameworks and Node.js or similar backend runtime</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Working knowledge of Azure and/or AWS cloud platforms</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Familiarity with relational databases (PostgreSQL, SQL Server)</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Strong problem-solving and ability to work independently</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Effective communication</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Self-motivated with strong time management</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Use of MQTT, IoT protocols, or real-time data streaming</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Familiarity with containerization (Docker, Kubernetes)</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Experience with Microsoft Graph API and Office 365 integrations</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Knowledge of workflow automation tools (n8n or similar)</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Oil and gas experience or industrial sector IT environments</span></span><strong><span> </span></strong></p>
<p><span style="color: #000000;"><strong><span>Work Environment and Physical Requirements:</span></strong></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Office environment of an oil & gas manufacturing and servicing company</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Occasionally required to stand, sit, use hands to manipulate with fingers, handle, or feel, walk, reach with hands and arms</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Lift, push, pulls up to 50 lbs. (SEF Energy employees shall not manually lift an item weighing more than 50 lbs., they shall utilize mechanical assistance devices. If mechanical assistance devices are not available, utilize a team lift.)</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Quiet conditions</span></span> </p>
<p><span style="color: #000000;"><strong><span>Education: </span></strong></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Bachelor’s degree in computer science or software engineering</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Cloud certifications (Azure or AWS)</span></span></p>
<p><span style="color: #000000;"><span><span>·<span>         </span></span></span><span>Experience may be substituted for the bachelor’s degree: 8+ years of progressive full-stack development experience with demonstrated proficiency across the front-end, back-end, database, and cloud infrastructure</span></span> </p>
<p><span style="color: #000000;"><strong><span>This is a high-level overview of the main job responsibilities; however, it is not meant to be an exhaustive list of duties. At times you may be asked to perform other tasks by your supervisor that are not listed in this job description.<br /></span></strong></span></p>
<p><span style="color: #000000;"><strong><span>We pride ourselves in maintaining a safe and healthy environment for all employees. To gain employment, the candidate will need to pass a hair follicle drug test and a background check once the offer of employment has been accepted.</span></strong></span></p>

Full Stack Developer IV

Full Stack Developer

8+ years full-stack development; JS/TS, Python, SQL; React; Azure/AWS; PostgreSQL/SQL Server; CI/CD; APIs; IoT/mqtt; Docker/Kubernetes; MS Graph; Office 365 integrations; oil/gas IT experience.

Propulsion Manufacturing Engineer IV - Careers At Firefly Aerospace	

	

	

	


	
	
	

	
	
	

		 							
	 
		
	
	
	
	
	
	













						
				
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										<p>Career Opportunities with Firefly Aerospace</p>
<p><em><strong>Come be a part of the 21st Century Space Race!</strong></em></p>
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		<h2>Propulsion Manufacturing Engineer IV</h2>	
	
	
			
		
		      			      	<b>Department:</b>
					Propulsion Manufacturing		      					
		      			      	<b>Location:</b>
					Briggs, TX<br />					
		      		      		      		      		      		      		



<div><div><a href="https://apply.hrmdirect.com/resumedirect/ApplyOnline/Apply.aspx?req_id=3659406&source=3659406-CJB-0">START YOUR APPLICATION</a></div><div></div></div>


		
	
		<div><p><strong>ABOUT FIREFLY AEROSPACE</strong></p>

<p>Firefly Aerospace is a space and defense technology company that enables our world to launch, land, and operate in space � anywhere, anytime. As the partner of choice for critical space missions, Firefly is the only commercial company to launch a satellite to orbit with 24-hour notice and the only company to achieve a successful Moon landing. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the Moon and beyond. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.</p>

<p><strong>SUMMARY</strong></p>

<p>The Firefly Propulsion Senior Manufacturing Engineering (ME) Team is responsible for the fabrication, integration, test, and delivery of the engines and fluid systems to vehicle and spacecraft programs. The individual MEs take profound ownership of engine components from the time the design is released to the delivery of a completed product. Propulsion MEs are makers, people who can take an idea on paper and turn it into a fully functioning component ready to fly to space. <strong>This role is located at our manufacturing and test site in Briggs, TX, north of Cedar Park.</strong></p>

<p><strong>RESPONSIBILITIES</strong></p>

<ul>
	<li>Lead the transition of products from development to production</li>
	<li>End to end ownership of the fabrication, assembly, and check out procedures for propulsion subassemblies and full up engines.</li>
	<li>Continuous process development and improvement with the aim of radically increasing production rate and substantially reducing cost.</li>
	<li>Lead investigations of process failures and drive to root cause.</li>
	<li>Own the development, test, and qualification of new production processes.</li>
	<li>Participate in design reviews and provide feedback to the design teams.</li>
	<li>Own the assembly and integration instructions and work with technician teams towards continuous improvement.</li>
	<li>Develop and execute functional checkout procedures and processes where applicable.</li>
	<li>Disposition non-conformances that occur throughout the build process, develop and implement corrective actions</li>
	<li>Conduct manufacturability reviews and implement design improvements</li>
</ul>

<p><strong>QUALIFICATIONS</strong></p>

<p><strong>Required</strong></p>

<ul>
	<li>Bachelor�s degree in Engineering or related technical field</li>
	<li>10+ years of experience working in a Manufacturing Engineer role not including internships</li>
	<li>Proven experience with complex assemblies, e.g. production in aerospace/aviation/automotive industries</li>
	<li>Able to read and interpret technical drawings and assembly instructions</li>
	<li>Proven experience with complex troubleshooting</li>
	<li>Proven experience working in dynamic and evolving environments</li>
	<li>Excellent written and verbal communication skills to convey methodologies for assembly and troubleshooting</li>
	<li>Strong interpersonal and conflict resolution skills � Must be a team player</li>
	<li>Proven experience with tasks requiring extreme attention to detail and prolonged mental concentration</li>
	<li>Ability to thrive in high stakes, stressful, short deadline environments</li>
	<li>Critical thinking and strong decision making ability</li>
</ul>

<p><strong>Desired</strong></p>

<ul>
	<li>3+ years of experience in an aerospace production environment</li>
	<li>Experience with advanced manufacturing techniques (welding, brazing, casting, additive fabrication, forging, spin forming, etc.)</li>
	<li>Experience working with cryogenics and high-pressure pneumatics systems</li>
	<li>Experience with modern manufacturing principles, such as Lean Manufacturing, Six Sigma, etc.</li>
	<li>Experience with complex system assembly and hands on build experience preferably in space systems or aerospace applications</li>
	<li>Experience with writing assembly procedures or documentation for mechanical, electrical, or structural systems</li>
	<li>Experience writing test plans, procedures and identifying pass/fail criteria on systems.</li>
	<li>Knowledge of data analysis packages (Python/high level Excel) preferred</li>
	<li>Working knowledge of fluid components and systems</li>
</ul>

<p><strong><em>Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, educational reimbursement, short term disability, and flexible PTO options.</em></strong></p>

<p><em>To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) 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 eligible to obtain the required authorizations from the U.S. Department of State.<br />
<br />
Firefly Aerospace, Inc. is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.</em></p>
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Propulsion Manufacturing Engineer IV

Bachelor's in Engineering or related field; 10+ years in manufacturing engineering; aerospace/aviation/automotive experience; strong reading of drawings; excellent communication; detail-oriented; thrives under high pressure.

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