858 junior developer jobs at 395 companies in Mastic, NY
3mo
Save
Mark Applied
Hide
Junior AI Engineer
Lawrence, New York, United States
$85k-$110k/yr OnsiteFull Time
2+ YOE1–2 years in tech; strong interest in AI; growth mindset; startup energy; authorized to work in the US; able to work EST hours.
3w
Save
Mark Applied
Hide
Junior Manufacturing Engineer
Cheshire, Connecticut, United States
OnsiteFull Time
Hanwha Aerospace USA: Manufactures precision components and assemblies for aircraft engines.
1+ YOEBachelor's degree in manufacturing/mechanical engineering, 1+ year manufacturing experience, U.S. Person for ITAR, CAD and Microsoft Office proficiency, able to interpret blueprints and participate in RCA.
Microsoft Outlook, Microsoft Word, Microsoft Excel, SolidWorks, NX
1mo
Save
Mark Applied
Hide
Junior Engineer - Communications
Bethpage, New York, United States
$33-$40/hr OnsiteFull Time
Bachelor's in Telecommunications, Electrical/Electronic Engineering, Networking or related required; valid driver's license; strong communication, problem solving, detail orientation; must be available 24/7; training position for future signal department management.
2mo
Save
Mark Applied
Hide
Junior Project Engineer
Wallingford, Connecticut, United States
$55k-$75k/yr OnsiteFull Time
1+ YOEBachelors in Electrical Engineering, 1+ years experience (1-3 preferred), proficiency with Autodesk Revit and MS Office, basic electrical/construction knowledge, strong communication, and familiarity with the National Electric Code.
Autodesk Revit, Microsoft Office
2w
Save
Mark Applied
Hide
C# .NET Developer
East Haven, Connecticut, United States
OnsiteFull Time
2+ YOE.NET Framework/.NET Core and C# experience, Blazor, SQL Server (2016+), REST/SOAP, Visual Studio, Git, HTML/CSS/JavaScript, web API development, Agile experience.
.NET Framework, .NET Core, Blazor, C#, SQL Server 2016, ASP.NET, ADO.NET, REST, SOAP, Visual Studio, Git, HTML, CSS, JavaScript, JSON, AJAX, Wrike, Jira, bash, PowerShell, cmd
1mo
Save
Mark Applied
Hide
Software Engineer
Greenwich, Connecticut, United States
OnsiteFull Time
2+ YOEBachelor's in CS/Math/Physics required; 2+ years C++ software development experience with OOP, STL, networking, concurrency, Linux/UNIX and shell scripting; strong communication skills.
C++, C, STL, Linux, UNIX, shell scripting
3w
Save
Mark Applied
Hide
Software Engineer I
Grand Rapids or Uniondale or Austin or Atlanta
$100k-$150k/yr HybridFull Time
1+ YOE1+ year software engineering experience; strong skills in Python or JavaScript/TypeScript; familiarity with APIs, integrations, automated testing, debugging; comfortable with AI-assisted development (Claude Code preferred); onsite collaboration required.
Python, JavaScript, TypeScript, Claude Code
4d
Save
Mark Applied
Hide
Full Stack Software Engineer (Python)
Irving or Stamford
$74k-$116k/yr HybridFull Time
2+ YOEBachelor's in Computer Science or related,2+ years full-stack software development, strong Python knowledge, experience with Django/Flask, HTML/CSS/JavaScript/jQuery, relational SQL databases, and AWS or ReactJs.
Python, Django, Flask, HTML, CSS, JavaScript, jQuery, AWS, ReactJs, SQLServer, MySQL, PostgreSQL, HTTP, SOAP, REST, XML, JSON
1mo
Save
Mark Applied
Hide
Quantum Software Engineer II
New Haven, Connecticut, United States
$103k-$154k/yr HybridFull Time
2+ YOEBachelor's in CS/ECE/math/physics/chemistry required; 2+ years Python software development; experience with debugging/profiling, version control, software testing, and quantum APIs (Qiskit, Q#, CUDA-Q, Cirq).
Python, Qiskit, Q#, CUDA-Q, Cirq
1mo
Save
Mark Applied
Hide
Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
2+ YOE2–5 years software engineering experience; proficiency with JavaScript, Node.js, ReactJS, and React Native; knowledge of REST APIs, databases, OOP, and version control; strong problem-solving and collaboration skills; bachelor's degree or equivalent.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
5d
Save
Mark Applied
Hide
Guidewire Developer, Senior Associate
Chicago or Stamford or Atlanta or Charlotte or Austin or Washington or Columbus or Dallas or Los Angeles or Milwaukee or Denver or Boston or New York or Florham Park or San Francisco or Silicon Valley or Philadelphia or Phoenix or Pittsburgh or Hartford
$77k-$202k/yr OnsiteFull Time
2+ YOEBachelor's degree, minimum 2 years experience, Guidewire platform knowledge, Object Oriented Programming, API integration experience, certifications (Guidewire,Scrum Master) preferred, up to 60% travel.
Guidewire PolicyCenter, Guidewire BillingCenter, Guidewire ClaimCenter, GOSU, PCF, Guidewire Integration Framework, Spring Boot, Rest Client API, SOAP APIs
3mo
Save
Mark Applied
Hide
AI Software Developer
Westport, Connecticut, United States
$25-$75/hr OnsiteContract
Experience building complex, data-sensitive apps and programs using AI; able to build applications and IT infrastructure.
2mo
Save
Mark Applied
Hide
Software Engineer
New York City or Old Greenwich
OnsiteFull Time
0+ YOEStrong programming skills, SQL, and knowledge of one or more of C#, JavaScript, or TypeScript; Python helpful; experience with APIs, CI/CD, and AI tooling; strong problem-solving and ownership.
SQL, C#, JavaScript, TypeScript, Python, React, Angular, CI/CD
2w
Save
Mark Applied
Hide
Civil Engineer - Senior Technical
Melville, New York, United States
$90k-$130k/yr HybridFull Time
8+ YOE8+ years civil engineering experience, PE license preferred, land development and stormwater design expertise, construction and utility design experience, and ability to mentor junior staff.
3d
Save
Mark Applied
Hide
12T Technical Engineer
Stratford, Connecticut, United States
OnsitePart Time
Requires Army National Guard enlistment, junior-year high school status or high school diploma/GED, age 17–35, physical qualification, legal and moral eligibility, and citizenship requirements.
Computer Aided Drafting, Automated Integrated Survey Instruments, Global Positioning Survey Technology
5d
Save
Mark Applied
Hide
Job Developer
Greenwich, Connecticut, United States
$21/hr OnsiteFull Time
2+ YOEProvide job development, coaching, documentation, employer engagement, and support for individuals with developmental disabilities; valid driver’s license and CPR; 2+ years experience in vocational or habilitation programs; Associates degree or equivalent experience preferred.
5d
Save
Mark Applied
Hide
Manufacturing Engineer I
Trumbull, Connecticut, United States
OnsiteFull Time
0+ YOEBachelor's in engineering, 0-5 years manufacturing engineering experience in medical device/pharma, knowledge of manufacturing processes, Lean Six Sigma awareness, Minitab, Microsoft Excel/Word/PowerPoint/Visio, ISO 13485/FDA QSR/EU MDR/GMP familiarity, project management and communication skills.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Visio, Minitab
1mo
Save
Mark Applied
Hide
Associate, Front Office Software Engineer
Stamford or Houston
OnsiteFull Time
2+ YOEBachelor's or Master's in CS/STEM, 2+ years software engineering experience, strong CS fundamentals, backend Python proficiency, front-end experience (React/Angular/TypeScript) preferred, cloud (AWS) and data warehousing (Snowflake) familiarity, Linux and CI/CD experience, strong communication.
Python, React, Angular, TypeScript, AWS, Snowflake, Linux/Unix, CI/CD
2mo
Save
Mark Applied
Hide
Mechanical Engineer
Seymour, Connecticut, United States
OnsiteFull Time
2+ YOEBSME or equivalent experience; 2–6 years machine design experience preferred; SolidWorks and CAM experience preferred; machine shop experience and vibratory feed systems desirable; ability to support full development cycle and interface with customers.
SolidWorks, CAM
2mo
Save
Mark Applied
Hide
Sr Principal Engineer Propulsion
Palm Beach Gardens or Elkton or Ronkonkoma
$129k-$194k/yr OnsiteFull Time
8+ YOERequires a STEM degree with significant design experience, ability to obtain Secret clearance (US citizenship required), proficiency with Siemens NX, travel up to 25%, and prior experience mentoring junior engineers.
Siemens NX, Siemens Teamcenter United Architecture
Explore Jobs