Jobs in the United States

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Added 17 days ago
Senior Full-Stack Engineer C#
Coderio
Miami, FL
Design and build backend services in C# / .NET, applying clean architecture and engineering best practices.
Added 17 days ago
Sr. Software Engineer (Open to hiring at Lead level)
Wellmark, Inc.
Des Moines, IA
…development experience (ex. Angular, NodeJS, TypeScript, C++, .NET, Java, SQL) OR 9 years of related and applicable…
Added 17 days ago
M
Software Engineer - CTJ - Poly
Microsoft
WA · VA · Redmond, WA · Reston, VA · Redmond · Reston
- $85,400 to $183,700 USD / year
The successful candidate must have an active U.S
Added 17 days ago
M
Software Engineering II
Microsoft
United States
- $102,100 to $219,200 USD / year
Added 17 days ago
PR
Senior Software Developer
Preferred Risk Insurance
Bedford Park, IL
- $120,000 to $140,000 USD / year
We are seeking the ideal candidate for our Software Developer opening for our growing insurance company.
Added 17 days ago
Full Stack Java Developer
Preferred Risk Insurance
Bedford Park, IL
We are looking for a Senior Developer who combines strong Java and/or C#/.NET engineering fundamentals with an AI-first development mindset.
Added 17 days ago
Principal Software Engineer Supply Chain Operations
Alex Lee
Hickory, NC
Coding Skills/Technology Stacks: Familiarity with ASP.NET MVC, .NET Core, Entity Framework, Microservices, LINQ (proficient), REST APIs, Full Stack Applications, Azure DevOps & GIT, Azure…
Added 17 days ago
WI
Senior Software Developer
Warrior Insurance Network
Bedford Park, IL
- $120,000 to $140,000 USD / year
We are seeking the ideal candidate for our Software Developer opening for our growing insurance company.
Added 17 days ago
Software Engineer
Swivel Transactions LLC
San Antonio, TX
Proven efficiency in a variety of programming languages, potentially including C#, Node.js, ASP .NET, JavaScript/jQuery, TypeScript, HTML/CSS, etc.
Added 17 days ago
Senior Full Stack Developer
LEIDOS, INC.
Reston, VA
Must have an active TS/SCI with Polygraph
Added 17 days ago
Senior Associate - Full Stack Engineer - Investment Technology
New York Life
New York
Location Designation: Hybrid - 3 days per week
Added 17 days ago
Senior AI Application Engineer
Default Brand
Stamford, CT
Azure Data Factory or Fabric, API Management, Azure OpenAI or AI Foundry, Bicep or Terraform, Azure certifications (AZ-204, DP-203 or equivalent)
Added 17 days ago
Senior Associate - Full Stack Engineer - Investment Technology
New York Life Insurance Co
New York, NY
Location Designation: Hybrid - 3 days per week
Added 17 days ago
Software Engineer - Secret Clearance
Zantech
Arlington, VA
4+ years experience developing web applications using a modern front-end framework (e.g., React, Angular, Vue.js) and a back-end language (e.g., Python, Java, Node.js, .NET).
Added 17 days ago
Principal Consultant, Solutions Architect
Qualus
Remote, United States
Technical Skills: .NET, C#, C++, Java, JMS, REST Service, and Web Service development experience is required. Experience with IIS, Oracle, PostGres, SQL and No-SQL Databases, or other Web…
Added 17 days ago
Lead Software Engineer
J F AHERN
FOND DU LAC, WI
Added 17 days ago
UG
Software Engineer
UnitedHealth Group
Wausau, WI
- $72,800 to $130,000 USD / year
We are seeking a Sr. Software Engineer to join our OPTUM UMR clinical technology team as an ETL Developer. In this role, you will play a critical part in the end-to-end (E2E) solution…
Added 17 days ago
Int. Full-Stack Automation Engineer
Saliense LLC
McLean, VA
…brings deep hands-on experience with Microsoft technologies (.NET, Power Platform, etc.) and AI ecosystems (Prompt Engineering, Agentic Processes, LLMs, MCP), a strong engineering…
Added 17 days ago
Tech Lead Software Engineering Sr Advisor II
Fiserv
Berkeley Heights, NJ
Conduct solution architecture reviews, code reviews, and design consultations for teams building in Java, Spring Boot, .NET, Angular, Python, and related technologies.
Added 17 days ago
Senior C# .Net Developer
Mindlance Inc.
Union, NJ
Added 17 days ago
H
Senior Dynamics 365 & Power Platform Developer (Secret Cleared)
Hyertek
United States
- $125,000 to $161,000 USD / year
HyerTek is seeking a Senior Dynamics 365 & Power Platform Developer to configure, extend, and integrate Microsoft Dynamics 365 Customer Service, Dynamics 365 Field Service, and the…
Added 17 days ago
Sr Software Engineer (Full Stack)
Father Flanagan's Boys' Home
Omaha, NE
Back-end development experience using Node.js, .net core, or equivalent.
Added 17 days ago
Sr. Software Engineer Tier 3 Support - FreeWheel
Comcast
Philadelphia, PA
Proven in-depth knowledge and experience in one or more technical stacks (Azure / AWS cloud platforms, .Net Core, Angular, Java, Python,API’s, etc.)
Added 17 days ago
UG
Software Engineer
UnitedHealth Group
Eden Prairie, MN
- $72,800 to $130,000 USD / year
Develop, test, and maintain robust and scalable applications using .NET / C#
Added 17 days ago
EG
Sr Integration Developer
Eliassen Group
Charlotte, NC
- $55 to $60 USD / hour
Our client is seeking a Senior Integration Developer to design and deliver enterprise data integrations, ETL pipelines, and API-based solutions supporting Sales, Service, and Distribution.…

Coderio

Senior Full-Stack Engineer C#

Miami, FL, United States

Apply on jobs.lever.co About employer

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Job details

Posting language: English
Posted: Oct 26, 2026

Original job description

About Us

Coderio designs and delivers scalable digital solutions for global companies. We combine strong technical expertise with a product mindset to lead complex software initiatives end-to-end. We work with international clients, value autonomy and clear communication, and build long-term partnerships through technical excellence.

🔗 More information: http://coderio.com

The Project

We are looking for a Senior Full-Stack Engineer to join a three-person team at a leading financial institution. The project replaces a legacy system of 16 workflows: a web portal where branch users submit requests, and a backend that sends them to other systems, receives responses, updates statuses and manages approvals. Delivery dates are aggressive, so we need someone who can contribute quickly after onboarding.

Responsibilities

Design and build backend services in C# / .NET, applying clean architecture and engineering best practices.
Deliver features end to end: APIs, integrations with other systems, approval-workflow logic and the React web portal.
Work in an Agile team with two-week sprints and the usual ceremonies.
Answer teammates' technical questions and take part in code reviews.
Write and maintain unit and regression tests.
Document technical decisions and collaborate with business stakeholders and teams that own other systems.

Requirements

5+ years of hands-on software development experience in C# / .NET (7+ preferred), building applications rather than only maintaining them.
Applied knowledge of clean architecture: SOLID principles, separation of concerns (SRP), DRY and domain-driven design.
Proven experience building an application from scratch.
Working knowledge of React and CSS (no UI design specialization required).
Experience writing unit and regression tests.
Experience working in Agile / Scrum teams.
Strong in-person communication, teamwork and the ability to adapt to a corporate environment.
Ability to work in a hybrid model from the Miami Lakes, FL office.
Professional level of English [confirm with the client].

Nice to Have

Experience in banking or financial services.
Experience integrating systems through REST APIs and messaging.
Experience with workflow and approval processes.
Familiarity with UI templates such as Mantis.
A genuine passion for programming and for tackling a challenging, high-volume project.

Benefits

Hybrid collaboration in a dynamic and fast-paced environment in the Miami / Fort Lauderdale area.
Long-term contract engagement with high impact and autonomy.
Strategic and high-visibility role within a modern engineering culture.
Opportunity to influence technical strategy, especially regarding modern event-driven architectures and AI integrations.
Collaborative international team with strong technical leadership.

Why Join Coderio?

At Coderio, we value talent and excellence. While we are primarily a remote-first company, this specific strategic role offers the opportunity to work directly on-site to drive high-stakes initiatives. We are passionate about technology, collaboration, and fair compensation. We offer an inclusive and challenging environment with real growth opportunities. If you are motivated to design solutions that make a difference, we are waiting for you. Apply now.

Apply on jobs.lever.co About employer

More about this job

Skills

Software development
C#
.NET
React
CSS
UI design
Agile
Scrum
Communication skills
Teamwork
Hybrid model
API development
Workflow

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Work requirements

Jobs in the United States