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Senior Developer
NTT Data Americas, Inc.
Mahwah, NJ
We are currently seeking a Senior Developer to join our team in Plano, Texas (US-TX), United States (US).
Added just now
Application Configuration Analyst - IT Tx & Dx Systems and Compliance
Jersey Central Power & Light Company
Holmdel, NJ
Becoming a proficient software developer on the supported software applications and related tools.
Added just now
Senior Specialist Engineering (Onsite)
Merck
Rahway, NJ
…position is also responsible for ensuring facility readiness for API (Active Pharmaceutical Ingredient) processing and shares accountability for the building performance. Ultimately, this…
Added 1 min ago
Senior Specialist, Global Engineering Solutions (GES)
Merck
Rahway, NJ
…Design, Execution and Startup for Small Molecule High Potency/API/Containment Projects. With a large volume and variety of capital project work in GES, this position will also afford future…
Added 1 min ago
Data Engineer ADAS Fleet Analytics
Mercedes-Benz
San Jose, CA
Strong Python, PySpark DataFrame API and performance-tuning skills, and SQL skills including window functions and aggregations.
Added 1 min ago
Manager, ERP Architecture
J&J Family of Companies
New Brunswick, NJ
Added 1 min ago
NI
Sr. AI/ML Engineer
Nuveen Investments
Iselin, NJ
- $150,000 to $209,000 USD / year
Full-stack development skills including backend API development with RESTful design principles, frontend development
Added 1 min ago
WA
Senior Software Engineer
Walmart Associates, Inc.
Hoboken, NJ
- $137,717 to $216,000 USD / year
…architecture. Experience designing and implementing RESTful API web services development. Experience building Android UI using XML layouts. Experience integrating REST APIs and data…
Added 1 min ago
C
Frontier Engineer (AI/Agentic)
Cognizant
Bridgewater, NJ
- $100,000 USD / year
…strength in full-stack or backend application development, API design, databases, cloud platforms, and emerging AI…
Added 1 min ago
Director of Software Engineering - Unified Ingress
JPMorgan Chase
Jersey City, NJ
…Envoy Proxy (xDS/ADS, ext_authz, HTTP/2, gRPC) and/or Kong API Gateway - sufficient to lead design reviews and challenge implementation decisions…
Added 1 min ago
AC
Cloud Native Engineer-Other - Intermediate - Jersey City, NJ
AMERICAN CYBERSYSTEMS INC.
Jersey City, NJ
- $80 USD / hour
…(unit/integration testing, TDD familiarity). Familiarity with modern API design patterns (REST, gRPC) and observability practices (metrics, tracing). Qualified candidates should APPLY NOW…
Added 1 min ago
Software Engineer III - Asset & Wealth Management Tech | Know Your Client
JPMorgan Chase
Jersey City, NJ
Solid experience with AWS cloud services including but not limited to EC2, Lambda, S3, API Gateway, DynamoDB and CloudFormation.
Added 1 min ago
Customer AI Solution Architect
Deloitte
Morristown, NJ
…using composable, headless, application programming interface (API)-led, and event-driven architectures; account for identity, consent, real-time data, security, and experience…
Added 1 min ago
Lead Software Engineer - NBA
Humana
Trenton, NJ
…topic strategy, schema evolution, delivery guarantees, and API…
Added 1 min ago
Lead Technical Product Manager | Healthcare | APIs, Integrations, & Embedded AI Solutions
Wolters Kluwer
Trenton, NJ
Apply and improve standards for API governance, lifecycle management, versioning, reliability, and developer experience.
Added 1 min ago
C
SDET / QA Automation Engineer – Playwright, Selenium, Java & Functional Testing
Cognizant
Trenton, NJ
- $53,000 to $92,500 USD / year
Added 1 min ago
Lead AI Engineer
Perficient
DALLAS, TX
Familiarity with API design, integration patterns, observability, resiliency mechanisms, and circuit-breaker patterns.
Added 1 min ago
Consulting Principal, AI-Led Mainframe Modernization
Cognizant
Trenton, NJ
…assessment, including code conversion, application decomposition, API enablement, data migration, cloud migration, cutover, and…
Added 1 min ago
Data Governance Analyst
Intermountain Health
Trenton, NJ
Experience with system and data integration via API
Added 1 min ago
Senior Consulting Manager, AI-Led Mainframe Modernization
Cognizant
Trenton, NJ
…go-live, including code conversion, application decomposition, API enablement, data migration, cloud migration, cutover, and…
Added 1 min ago
C
Senior .NET / SQL Developer
Cognizant
Trenton, NJ
- $64,025 to $94,500 USD / year
We are seeking a highly skilled Senior .NET / SQL Developer to join our team. In this role, you will be responsible for designing, developing, and supporting enterprise applications with a…
Added 2 mins ago
C
Senior Quality Engineering Automation Engineer
Cognizant
Trenton, NJ
- $53,477 to $92,500 USD / year
Experience with API testing tools and automation frameworks.
Added 2 mins ago
Backend Engineer – Advanced
MSys Inc.
Jersey City, NJ
Added 2 mins ago
Java Full Stack Developer - Onsite
MSys Inc.
Jersey City, NJ
We are seeking an experienced Java Full Stack Developer with strong expertise in AWS, React.js, Spring Boot, Kafka/Event-Driven Architecture, Terraform, Oracle, and SQL. The ideal candidate…
Added 3 mins ago
Software QA / Test Automation Engineer - 2 positions - 100% remote
System One
Ashburn, VA
Implement automated unit, integration, API, and end-to-end testing within CI/CD pipelines.

Microsoft

Principal Software Engineer

United States

$142,800 to $304,200 USD / year

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Job details

Pay: $142,800 to $304,200 USD / year
Apply by: Apr 26, 2027
Posting language: English
Posted: Oct 28, 2026

Original job description

Overview

As a Principal Software Engineer, on the Substrate App Platform team, you will help the next generation platform for internal and external developers and agents to access M365 data and APIs via Work IQ. This role offers the opportunity to think about deep technical problems, define new best practices, collaborate across teams to achieve shared goals, and grow through continuous learning and innovation alongside your teammates.

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

Design, develop, and maintain scalable Ai forward API’s, model context protocols (MCP’s) and services. Identify dependencies and contribute to design documentation with minimal oversight.
Develop and implement reusable, high-quality code for services and features.
Lead feature development from concept through launch.
Break down large work items into smaller tasks and provide accurate estimations.
Serve as a Designated Responsible Individual (DRI) working on-call to monitor system/product feature/service for degradation, downtime, or interruptions and gains approval to restore system/product/service for simple problems.
Stay current with technologies to improve reliability, performance, and scalability.
Provide guidance and mentorship to other team members

Qualifications

Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
OR equivalent experience.

Other Requirements Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:

Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications

Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
OR equivalent experience.
10+ years of professional experience in full-stack software development.
Experience shipping complex, enterprise-scale software with emphasis on reliability, scalability, and maintainability.
Proficiency in a back-end programming language (e.g., Node.js, C#, Java).
Experience with RESTful APIs and their design and microservices architecture.

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

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Skills

Documentation
Computer science
C
C++
C#
Oracle Java
JavaScript
Python
Software development
Node.js
API development
Microservices Architecture

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