Principal .NET Engineer Job at Sigma Software Group

Principal Engineer

We are hiring a Principal Engineer for a client that provides a cloud-native Saa...

Location

United States , New York

Salary:

175000.00 - 185000.00 USD / Year

Resourceful Talent Group

Expiration Date

Until further notice

Requirements

10+ years of experience building SaaS applications
3+ years in a Principal Engineer or Tech Lead role
Strong C#, ASP.NET, .NET Core, and xUnit experience
1+ years AWS experience: Lambda, API Gateway, S3, CloudFormation, RDS, DynamoDB, EC2, Cognito
Strong system architecture and distributed systems expertise
Ability to review and guide React/TypeScript development
Excellent leadership and collaboration skills
Bachelor’s degree in Computer Science or related field (preferred)
Must be a U.S. Citizen or Green Card holder

Job Responsibility

Lead the architectural direction and modernization of a large-scale SaaS platform
Improve system scalability, performance, and reliability
Build features in .NET and AWS (Lambda, API Gateway, DynamoDB, RDS, etc.)
Guide backend, frontend, DevOps, QA, and offshore engineers
Implement and uphold engineering best practices and code standards
Collaborate with Product leadership to deliver high-quality releases

Fulltime

Principal Backend Software Engineer

Apply for the Principal Backend Software Engineer role at Atlassian and give you...

Location

Poland , Gdańsk

Salary:

324900.00 - 433200.00 PLN / Year

Atlassian

Expiration Date

Until further notice

Requirements

10+ years of experience in software development
Familiarity with .NET/C# is preferred
Deep architectural understanding of web application
Experience with data structures, in particular, how they are implemented and how to apply them
Passion for collaborating, solving hard problems, and asking questions
Drive for growth, both as a developer and teammate

Job Responsibility

Guide projects independently, from technical design to launch
Apply architectural standards and start using them on new projects
Contribute to code reviews and documentation and take on complex bug fixes
Begin writing useful technical documentation
Mentor more junior members
Report directly to the Engineering Manager

What we offer

health coverage
paid volunteer days
wellness resources

Fulltime

Principal Full Stack Software Engineer

We're looking for a Principal Full Stack Software Engineer to join our team, foc...

Location

Poland , Gdańsk

Salary:

324000.00 - 433200.00 PLN / Year

Atlassian

Expiration Date

Until further notice

Requirements

10+ years in a software development team with strong fundamental software development skills
Experience with .NET Framework (C#)
Proficiency in web-based applications, architecture, and REST API integration
Experience in resolving customer issues through code error diagnosis, debugging, validation, and root cause analysis
Strong knowledge of HTML, CSS, JavaScript, jQuery, and browser/JavaScript fundamentals (React is a plus)
Familiarity with scripting languages and databases such as MSSQL and Postgres
Security-conscious approach to development
Experience in product experimentation and a track record of delivering value to customers

Job Responsibility

Understand the user journey and funnel to enhance Jira Align product strategy and direction by collaborating with product, design, and engineering teams
Guide the technical direction for implementing large-scale product features, evaluating trade-offs between correctness, robustness, performance, and customer impact to ensure optimal solutions
Debug team inefficiencies and ship well-tested, secure, reliable, and maintainable code, always prioritizing customer interests
Contribute to code reviews, documentation, and complex bug fixes with a focus on security, performance, and reliability
Mentor teammates to improve their skills and the overall growth of the engineering team, identifying blockers to ensure software engineering excellence in design principles, unit testing, performance engineering, and best practices for security and privacy

What we offer

This role may also be eligible for benefits, bonuses, commissions, and equity

Fulltime

Software Engineer

As a Software Engineer you will be part of a team of talented developers, busine...

Location

India , Kochi

Salary:

Not provided

Valorem Reply

Expiration Date

Until further notice

Requirements

Bachelor's degree or higher in computer science, engineering, or related field
4 years experience with Microsoft & open source Technologies
Proficient developing web-based interfaces, including: ASP.Net MVC, Angular/React.js and HTML5
JavaScript, jQuery, Typescript
Modern, multi-device and form factor Single Page Applications
Experience working with Microsoft Azure is preferred, including: Compute & Containers - App Service (Web Apps and API Apps) and Containers
Database & Storage - Azure SQL, Storage Accounts and Table Storage
Integration - Service Bus, Event Grid, API Management and Logic Apps
Security - AAD & Key Vault
Azure Management, including deployments, configuration and the SDK

Job Responsibility

Be an active individual contributor on a team: creating working, readable code that fits given business requirements, and participating in code reviews
Understand project scopes, architectural diagrams and requirements to further breakdown more granular requirements and implementing them as part of a project team
Work in an Agile team (Scrum, Kanban, etc.) and be a vocal participant in team meetings
Promote the organization's present technology within a team

Fulltime

Principal Software Engineer

Thank you for your interest in BAE Systems! Are you a Software Engineer with 8+ ...

Location

United States , Nashua

Salary:

115779.00 - 196825.00 USD / Year

Baesystems

Expiration Date

Until further notice

Requirements

Strong understanding of .NET, .NET Framework and experience programming in C#
Understanding of Object-Oriented Programming
Strong Technical Communication
Bachelor's Degree and 6+ years’ work experience (min) or equivalent experience
Possess good interpersonal and team communication skills
Takes initiative with general guidance and has a closure-oriented nature

Job Responsibility

Architecting, designing, analyzing, developing, and maintaining (typically in C#, Python, and/or Test Stand) test instrument driver abstraction software, common test utility software, and data collection microservices
Determine user needs and analyze system capabilities to resolve problems.
Be able to mentor junior engineers through regular design and code reviews, and provide guidance on best practices, coding standards, and software development principles.
Testing and integrating common software on RF and digital test equipment

What we offer

health, dental, and vision insurance
health savings accounts
a 401(k) savings plan
disability coverage
life and accident insurance
employee assistance program
legal plan
discounts on things like home, auto, and pet insurance
paid time off
paid holidays

Fulltime

Principal Engineer - .Net Full Stack Architect

Wells Fargo is seeking a Principal Engineer.

Location

India , Bengaluru

Salary:

Not provided

Wells Fargo

Expiration Date

March 30, 2026

Requirements

7+ years of Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education
Strong proficiency in architecting and building critical enterprise solutions using API ecosystems, cloud‑native applications, and microservice/serverless architectures.
Proficiency in designing and developing API‑based applications using .Net Core, microservices, and cloud‑native patterns.
Strong experience in UI, UX to build modern applications.
Strong ability to define non‑functional requirements, assess architectural risks, and recommend mitigation strategies to stakeholders.
Demonstrated capability to drive continuous improvement, modernize technology stacks, and address technical debt while balancing long‑term architectural vision with short‑term business needs.
Proven ability to lead technology innovation, influence engineering direction, and champion emerging technologies to deliver meaningful business outcomes.
Expertise in translating business and functional requirements into high‑quality architectural documentation and design artifacts.
Strong awareness of industry trends, with the ability to evaluate new technologies and guide product teams on adoption strategies.
Excellent communication skills for articulating complex technical concepts to senior leadership and engineering teams.

Job Responsibility

Act as an advisor to leadership to develop or influence applications, network, information security, database, operating systems, or web technologies for highly complex business and technical needs across multiple groups
Lead the strategy and resolution of highly complex and unique challenges requiring in-depth evaluation across multiple areas or the enterprise, delivering solutions that are long-term, large-scale and require vision, creativity, innovation, advanced analytical and inductive thinking
Translate advanced technology experience, an in-depth knowledge of the organizations tactical and strategic business objectives, the enterprise technological environment, the organization structure, and strategic technological opportunities and requirements into technical engineering solutions
Provide vision, direction and expertise to leadership on implementing innovative and significant business solutions
Maintain knowledge of industry best practices and new technologies and recommends innovations that enhance operations or provide a competitive advantage to the organization
Strategically engage with all levels of professionals and managers across the enterprise and serve as an expert advisor to leadership
Advise leadership on technology strategies across applications, cloud, security, data, and enterprise platforms.
Lead the resolution of highly complex, large‑scale technical challenges requiring deep analytical, innovative, and strategic thinking.
Translate business objectives and emerging technology opportunities into robust engineering and architectural solutions.
Provide vision and technical direction to influence enterprise‑wide digital initiatives and long‑term technology planning.

Fulltime

!

Senior Principal Software Engineer

The Senior/Principal Software Engineer provides architectural depth, delivery ex...

Location

United States

Salary:

138568.00 - 221709.00 USD / Year

One Call

Expiration Date

Until further notice

Requirements

10+ years building enterprise .NET applications in C# (.NET Framework + .NET Core)
Experience modernizing large legacy .NET codebases (service extraction, modularization, domain consolidation)
Familiarity with Azure cloud services, logging, monitoring, and observability patterns
Experience in healthcare, workers’ compensation, claims processing, or regulated industries
Experience with distributed queues, messaging patterns, event-driven architecture
Experience maintaining VB.NET codebases
Deep experience with ASP.NET MVC, Web API, WCF, Web Forms, WinForms
Strong proficiency in SQL Server (T-SQL, performance tuning, SSIS, SSRS)
Strong front-end fundamentals in JavaScript, TypeScript, HTML, CSS/SASS
Familiarity with jQuery, Knockout, and Kendo UI

Job Responsibility

Own and drive architecture and design discussions across multiple applications and services
Provide pragmatic, hands-on guidance to teams working across .NET, SQL, and mixed front-end stacks
Evaluate legacy architectures and propose modernization patterns (service boundaries, APIs, refactors, consolidation)
Facilitate technical decision-making with crisp rationales, tradeoff analysis, and clear documentation
Champion engineering excellence: code quality, testing, CI/CD maturity, observability, and maintainability
Unblock teams quickly by diagnosing issues across the entire stack (app, API, data, infrastructure)
Collaborate with Product, QA, Design, and other engineering teams to ensure predictable delivery
Translate complex requirements into executable technical plans, work breakdowns, and sequencing
Identify risks early and recommend options that balance delivery velocity with long-term stability
Contribute high-quality code in .NET (.NET Framework, .NET Core), C#, and VB.NET where necessary

What we offer

Remote Work: We are a remote-first company, and almost all positions receive the flexibility of working from home
Generous Time Off: Besides 8 company holidays and 2 personal days every year, all colleagues receive a minimum of 18 days of paid time off
Comprehensive Benefits Package: Including medical, dental, vision, and pet insurance
401(k) matching program
and company-paid life insurance and short and long-term disability coverage
Supportive Services: We offer a Colleague Assistance Program that provides free counseling and financial services, and our One Call Foundation, a non-profit arm of our company, provides colleagues financial assistance during times of unexpected hardships

Fulltime

New

Engineering Manager

Engineering Manager for Product Data Services (PDS), leading a mission-critical ...

Location

Australia , Surry Hills, Sydney

Salary:

Not provided

Woolworths Supermarkets

Expiration Date

Until further notice

Requirements

Minimum of 10+ years of experience in software development
Track record of leading high-performing teams in a complex, data-heavy environment
Experience with Product Information Management (PIM), Master Data Management (MDM), or Digital Asset Management (DAM) platforms is highly advantageous
Strong computer science fundamentals and ability to guide complex system designs involving data pipelines and high-availability APIs
Demonstrated experience building services with a "platform-as-a-service" mindset
Comfort with modern technologies
Experience with .Net, Cloud Infrastructure (GCP/Azure), GraphQL and Kubernetes is essential
Proven ability to improve team health, mentor senior talent, and navigate technical transitions
Expert understanding of the SDLC, automated testing, and a "You Build It, You Run It" operational philosophy
A curious mindset with an interest in AI-assisted development

Job Responsibility

Lead a mission-critical squad of engineers and QAs
Be the custodian of our "Source of Truth" for product data
Oversee the platforms that power our entire e-commerce ecosystem
Build and guide a team to deliver high-quality, scalable, and secure SaaS-style platforms
Act as a product-minded technical leader
Partner closely with the Platform Product Lead, Principal Engineer, Architect and Technical BAs
Translate a complex data strategy into seamless user-centric features
Balance rapid delivery with a relentless focus on technical and architectural excellence
Manage, mentor, and coach a squad of engineers and QAs
Partner with the Principal Engineer and Product Lead to define a technical roadmap

What we offer

Team discounts across our range of Woolworths Group brands
A robust rewards program that celebrates and incentivises purpose-driven work
A global business with endless career possibilities
A progressive and flexible ‘work from anywhere' policy
A range of programs to help you prioritise and manage your wellbeing, including 24/7 access to the Sonder app

Fulltime

Principal .NET Engineer

Sigma Software Group

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Requirements:

Additional Information:

Job Posted:
March 26, 2026

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