74 applications developer jobs at 42 companies in Hatfield, MA
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Applications Engineer-Valves
Warren, Massachusetts, United States
$89k-$111k/yr OnsiteFull Time
5+ YOEFive years in technical customer service or applications engineering in manufacturing; mechanical knowledge; proficient with MS Word/Excel; strong problem solving.
Microsoft, Excel, Access
1w
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Applications Engineer
Farmington, Connecticut, United States
FieldFull Time
Experience in machine tool or sales/service roles, technical school degree (2-year) required, 4-year degree preferred, excellent communication skills, ability to support customers and travel ~20-30%.
TruLaser
3d
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Applications Engineer
Windsor, Connecticut, United States
FieldFull Time
2+ YOERequires 2–5 years of hands-on CNC machining experience, Haas CNC expertise, G-code programming, CNC setup and operation, process optimization, engineering drawing and GD&T interpretation, a driver's license, and regional travel willingness.
Haas CNC, G-code, PPE
2w
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Applications Engineer
East Granby, Connecticut, United States
FieldFull Time
5+ YOEBachelor's preferred in engineering/computer science, minimum 5 years experience (wire and cable/RF/Coax preferred), strong communication and problem-solving, ability to travel extensively.
2w
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Applications Engineer
East Granby, Connecticut, United States
FieldFull Time
5+ YOE5+ years experience (preferably in wire and cable with RF/Coax), bachelor\u0002s degree preferred, strong communication and presentation skills, customer-facing technical support, ability to travel extensively (up to ~80%).
3d
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Applications Engineer
Windsor, Connecticut, United States
FieldFull Time
2+ YOERequires 2–5 years of hands-on CNC machining experience, Haas CNC expertise, G-code programming, machine setup and operation, troubleshooting, drawing and GD&T interpretation, a driver's license, and regional travel.
CNC, Haas CNC, G-code, GD&T, PPE
3w
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Compressed Air System Applications Engineer – Systems Design
West Hartford or Merrimack
$90k/yr FieldFull Time
Support outside sales by qualifying leads, analyzing compressor-room and plant data, developing energy-efficiency measures, and producing customer-ready presentations.
Microsoft Excel, Microsoft PowerPoint, CADD, CRM
3w
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Compressed Air System Applications Engineer – Systems Design
West Hartford or Merrimack
$90k/yr OnsiteFull Time
Support outside sales by vetting leads, analyzing compressor-room and plant data, developing efficiency measures, and presenting findings; Excel and presentation skills required.
Microsoft Excel, Microsoft PowerPoint, CADD, CRM
5d
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Java Developer
Hartford, Connecticut, United States
OnsiteFull Time
Experience in Java application development; familiarity with Angular, React, and SQL; strong communication and problem-solving; bachelor's degree or equivalent experience required.
Java, Angular, React, SQL, SQL Server
4w
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Peoplesoft Developer (Hybrid)
Canton or Farmington or Boston or Raleigh
$81k-$115k/yr HybridFull Time
3+ YOE3+ years PeopleSoft Financials and 3+ years enterprise Java or C# development experience; experience with PeopleTools, Application Engine, PeopleCode, Integration Broker, BI Publisher, and BMC Control-M; bachelor’s in CS/IS preferred.
PeopleTools, Application Engine, PeopleCode, Integration Broker, BI Publisher, BMC Control-M, Java, C#
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Principal Software Engineer
Hartford or Charlotte or Columbus or Chicago
$168k-$253k/yr HybridFull Time
12+ YOE12+ years enterprise application development experience, bachelor’s degree in CS/Engineering required, hands-on with Java, Spring Boot, Angular/TypeScript, SQL, cloud (AWS), APIs/microservices, observability tools; strong communication and AI-first experience.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, event-driven architectures, Identity and Access Management, AI frameworks, CI/CD, DevSecOps
2mo
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Senior Application Engineer (REMOTE or HYBRID TO MA)
Worcester, Massachusetts, United States
$101k-$126k/yr HybridFull Time
7+ YOE7+ years in application development; Java/J2EE; Pega experience;Bachelor's degree; US work eligibility; strong OO design; DevOps/Azure experience.
Pega 24, React, Java, Tomcat, Object-Oriented Design, UX, HTML5, CSS, JQuery, AngularJS, JSON, Azure, DevOps, AKS
2mo
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Sr. Software Engineer (Hybrid)
Hartford or Charlotte or Short Hills
$123k-$157k/yr HybridFull Time
5+ YOE5+ years of experience designing and developing complex applications; Bachelor's preferred in CS/Engineering; strong .NET/C#, API, SQL; cloud, Azure, DevOps, and leadership skills.
C#, .NET, API development, SQL, Azure, Container Apps, API Management, App Gateway, Key Vault, App Services, Logic Apps, SQL MI, Infrastructure-as-Code, Bicep, ARM, Terraform, Angular, SAFe
2d
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Software Engineer II – AI Agents & Harnesses
Atlanta or Hartford
$120k-$199k/yr HybridFull Time
4+ YOEBachelor's degree in computer science or related STEM field, 4+ years of software development, Python, AI application delivery, cloud platforms, distributed systems, and CI/CD experience.
Python, TypeScript, AWS, Azure, Kubernetes, Terraform, CDK, GitHub Actions, Jenkins, AWS AgentCore, Strands Agents, LangGraph, Helm
2mo
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ATE Software Engineer III/IV
Wilmington, Massachusetts, United States
$116k-$225k/yr OnsiteFull Time
5+ YOEDevelop automated test equipment software using C# for DoD/Aerospace applications; strong EE background; experience with test automation, instrumentation interfaces, data acquisition.
C#, PXI, Serial, Ethernet, IEEE-488, USB
1d
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Software Engineer II – AI Agents & Harnesses
Hartford, Connecticut, United States
$120k-$199k/yr HybridFull Time
4+ YOEBachelor’s degree or equivalent experience; 4+ years software development experience; Python and AI application delivery experience; cloud, Kubernetes, IaC, CI/CD, distributed systems, and strong communication skills.
Python, TypeScript, AWS, Azure, Kubernetes, Terraform, CDK, GitHub Actions, Jenkins, AWS AgentCore, Strands Agents, LangGraph, Helm
2mo
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Senior Application Engineer (REMOTE or HYBRID TO MA)
Worcester, Massachusetts, United States
$101k-$126k/yr HybridFull Time
7+ YOEBachelor’s degree; 7+ years application development; 5+ years Java/J2EE; Pega experience; strong OO design; web tech (JavaScript, React, HTML5, CSS); Azure and DevOps familiarity; able to work remotely or hybrid.
Pega 24, React, Java, Tomcat, Object-Oriented design, UX, HTML5, CSS, AJAX, JQuery, JSON, Agile methodologies, AKS (bonus)
3mo
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Sr. Engineer, Applications (Microgrid Integration) (South Windsor, CT, US, 06074)
South Windsor, Connecticut, United States
OnsiteFull Time
5+ YOE5+ years in designing/integrating microgrid systems with fuel cells; strong power electronics; EMS experience; data center power expertise.
MATLAB, Simulink, PSCAD, HILS, Energy Management System, Inverters, Controllers
2mo
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Business Development Manager / Applications Engineer - Optical Interconnect (Southbridge, MA, US)
Southbridge, Massachusetts, United States
$110k-$190k/yr OnsiteFull Time
12+ YOESenior-level BD role in semiconductor/opto-electronics with global accounts; 12+ years in BD/strategic sales; travel ~30%; strong technical and commercial skills.
Microsoft 365, CRM tools
1w
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Senior .NET Full Stack Developer Lead (React/AWS)
Hartford, Connecticut, United States
$64k-$115k/yr OnsiteFull Time
Proven experience designing and delivering enterprise applications with .NET Core/C#, React, AWS, and SQL Server; technical leadership and stakeholder-facing skills required.
.NET Core, C#, React.js, JavaScript, AWS, SQL Server
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