POSTED 8/6/2026
We are seeking a highly experienced Software Engineer IV to lead the design, development, and delivery of scalable backend solutions for a high-volume eCommerce platform. This role will focus on enhancing payment infrastructure, building cloud-native microservices, and driving engineering excellence through technical leadership, code reviews, and mentorship. The ideal candidate has deep expertise in C#, .NET Core, AWS, Kafka, SQL, and microservices architecture, along with experience building highly available, distributed systems.
Contract Duration: 9 Months
Rate Range: $58–68/hr on W2
Only W2 Candidates, NO C2C
Responsibilities:
Lead the design, development, and delivery of new features for the marketplace purchase and payment platforms.
Build scalable, secure, and high-performance backend services using C# and .NET Core.
Design and develop cloud-native microservices and event-driven architectures.
Conduct code reviews and provide technical leadership to ensure high-quality, maintainable code.
Mentor junior engineers through pair programming, technical guidance, and best engineering practices.
Create and maintain technical documentation, architecture diagrams, and implementation guidelines.
Collaborate with cross-functional teams to deliver scalable and reliable software solutions.
Optimize application performance, scalability, and system reliability.
Participate in Agile ceremonies, sprint planning, estimation, and technical discussions.
Drive continuous improvement through modern software engineering practices and architectural enhancements.
Required Qualifications:
Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
8+ years of professional software development experience.
Strong hands-on expertise with C#, ASP.NET, and .NET Core.
Experience designing and developing cloud-native microservices.
Strong experience with relational and NoSQL databases.
Experience building high-volume, highly available distributed systems.
Experience with event-driven messaging platforms such as Kafka.
Strong leadership, mentoring, and code review experience.
Excellent communication and collaboration skills.
Experience working in Agile development environments.
Required Skills:
C#
ASP.NET
.NET Core
Microservices Architecture
AWS
Kafka
SQL Server
PostgreSQL
Redis
MongoDB
Elasticsearch
Event-Driven Architecture
REST APIs
Agile/Scrum
Technical Leadership
Code Reviews
Mentoring
Technical Skills:
C#
ASP.NET
.NET Core
AWS
Kafka
SQL Server
PostgreSQL
Redis
MongoDB
Elasticsearch
AWS SNS/SQS
RabbitMQ
Azure Service Bus
REST APIs
Microservices
Distributed Systems
Preferred Qualifications:
Experience with omnichannel eCommerce platforms.
Experience developing payment processing or payment infrastructure systems.
Front-end development experience with Vue.js.
Experience working with transaction-based applications.
Interest or experience in the gaming or hobby marketplace industry.
If you meet the required qualifications and are interested in this role, please apply today.
The Solomon Page Distinction
Solomon Page offers a comprehensive benefit program for hourly employees. We pride ourselves on offering medical, dental, 401(k), direct deposit and commuter benefits to our employees, including freelancers - which sets us apart in the industries we serve.
About Solomon Page
Founded in 1990, Solomon Page is a specialty niche provider of staffing and executive search solutions across a wide array of functions and industries. The success of Solomon Page reflects an organic growth strategy supported by a highly entrepreneurial culture. Acting as a strategic partner to our clients and candidates, we focus on providing customized solutions and building long-term relationships based on trust, respect, and the consistent delivery of excellent results. For more information and additional opportunities, visit: solomonpage.com and connect with us on Facebook, and LinkedIn.
Opportunity Awaits.
EMPLOYEE TYPE:
Contract
WORPLACE:
Remote