15 principle developer jobs at 10 companies in Middletown, DE
3mo
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3mo
Senior Java Developer
Camden or Conshohocken
$145k-$165k/yrHybridFull Time
United States Cold Storage: Provides temperature-controlled warehousing and cold chain logistics services.
8+ YOE8+ years of software development; expert Java and Spring; strong architecture and coding principles; event-driven patterns; observable, testable production systems; containerization; CI/CD; data modeling; API design.
Techximius: Provides specialized IT and engineering services for defense missions.
4+ YOE4+ years experience reading and analyzing code for vulnerabilities, proficiency in one or more languages (C/C++, Java, Ada, Rust, Go), knowledge of security principles, IV&V, and ability to prepare professional reports.
Perform traffic engineering design and analysis using engineering principles, prepare plans and computations, analyze survey data, develop cost estimates, and coordinate with project teams.
The Whiting-Turner Contracting Company: A construction contracting firm providing project management and field services across building projects.
Bachelor's in engineering, engineering technology or construction management; knowledge of engineering principles, construction processes, and technical drawings; proficiency in Microsoft Office; effective verbal and written communication.
Microsoft Project, Suretrak, Primavera, Microsoft Word, Microsoft Excel
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
3+ YOEBachelor’s degree in mechanical or related engineering and 3 years experience; US citizen with active SECRET DoD clearance or ability to obtain; experience with equipment design principles and 2D/3D CAD tools.
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
3+ YOEBachelor's degree, 3+ years experience (HVAC or chiller technology preferred), knowledge of refrigeration principles, ability to support sales and design chiller systems, up to 15% travel.
CTDI: Repairs and manages logistics for telecommunications and electronic equipment.
3+ YOEBS in Mechanical Engineering or Mechanical Engineering Technology, 3+ years mechanical engineering and 2D/3D CAD experience, knowledge of pneumatic/mechatronics concepts, Lean principles, technical leadership ability, and Microsoft Office proficiency.
SolidWorks, AutoCAD, Creo/Pro/ENGINEER, FlexSim, Visual Components, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, PLC, HMI
H&K Group: Provides heavy civil contracting and construction materials solutions.
1+ YOEBachelor’s degree or 1 year related experience; strong knowledge of stormwater, erosion and sediment control; water and sewer design principles; read blueprints; interpret municipal land use ordinances; MS Office; AutoCAD 2017+/Civil 3D; Hydraflow; valid driver’s license.
AmphenolNYSE: APH: Manufactures electronic and fiber optic connectors and interconnect systems.
BS in Electrical Engineering or Physics required; hands-on frequency- and time-domain characterization; experience with TDR, VNA, pattern generators, error detectors; understanding of electromagnetic principles; EM simulation tools preferred.
Vanguard: Provides mutual funds, ETFs, and investment management services.
6+ YOE6+ years Elasticsearch experience, undergraduate degree or equivalent, expertise with ECS, AWS, data streaming and data lake integrations, infrastructure-as-code, security principles, and mentoring experience.
AmphenolNYSE: APH: Manufactures electronic and fiber optic connectors and interconnect systems.
BS in Electrical Engineering or Physics required; hands-on frequency/time-domain characterization, TDR/VNA measurement experience, EM principles understanding; BLS/CPR not applicable; MS/PhD and 2+ years preferred.
The Whiting-Turner Contracting Company: National construction providing building services.
0+ YOEBachelor’s degree in engineering, engineering technology, or construction management; knowledge of engineering principles; effective communication skills.
Primavera, Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook, Microsoft Exchange
CNANYSE: CNA: Provides commercial property and casualty insurance and risk management.
7+ YOEBachelor's in Business, typically 7+ years underwriting experience, ability to lead and develop underwriters, strong analytical, communication and negotiation skills, knowledge of underwriting principles and Microsoft Office.
Gaudenzia: Provides comprehensive addiction and mental health treatment services.
High school diploma/GED required. Knowledge of child care and early childhood development, drug/alcohol program principles, ability to work with clients, maintain records, and hold a valid driver's license.
United States Cold Storage: Provides refrigerated warehousing and logistics services for the cold chain.
10+ YOE3+ Mgmt10+ years software development with Java; 3+ years in software architecture/management; experience modernizing monoliths to microservices; strong distributed systems, cloud-native design, observability, and performance tuning; knowledge of 12-factor principles.