Senior Software Engineer

Fiserv

Confirmed live today High trust

Quick summary

Work type: On-site
Location: Sunnyvale, CA
Salary: $160,000–$240,000 / yr
Posted: 1 day ago
Freshness: Confirmed live today
Nearby: 99+ roles within 25 mi

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $163k

This role $200k

$102k $255k

below market most similar roles pay here above market

This role pays more than 90% of similar roles. Most pay $148,500–$177,250 — the blue band above. At the midpoint, this role pays about $200k versus about $163k for comparable roles.

Based on 240 similar postings.

Employer

About Fiserv

Fiserv is a global leader in financial services technology, providing core banking platforms, payment processing, digital banking, and merchant acquiring solutions to financial institutions and businesses. Industry: Financial Technology & Payments

Fiserv currently has 105 open roles on FindRole.

Listed pay typically runs $128,000–$210,000 across 64 roles with salary data.

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At a glance

TL;DR · Senior Software Engineer

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As a Senior Software Engineer at Clover, you will join the team to design, build, and maintain high-performance backend systems and RESTful APIs. Your daily responsibilities include developing high-performance RESTful Web APIs using C# and ASP.NET Core, supporting legacy .NET Framework codebases, and optimizing complex raw SQL queries in MySQL. You will manage multi-tenant database architectures, process JSON payloads, and handle Webhook events and OAuth 2.0 authentication for third-party integrations. The role requires proficiency with Visual Studio, Git via Azure DevOps, Docker, and cloud-hosted environments like AWS or GCP. You will solve technical challenges related to tenant isolation strategies and secure external API communications within a complex multi-tenant database architecture to ensure robust security and reliability across various applications.

What does a Software Engineer earn in California?

Median $214500 from 1223 postings across 78 companies.

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Skills

C# .NET 8 ASP.NET Core .NET Framework MySQL SQL REST APIs JSON OAuth 2.0 Docker AWS GCP Git Azure DevOps Visual Studio Java React TypeScript

What you'll do

Build high-performance RESTful Web APIs using C# and ASP.NET Core.
Support and maintain existing legacy .NET Framework codebases.
Write, debug, and optimize complex raw SQL queries in MySQL.
Manage multi-tenant database architectures and tenant isolation strategies.
Develop and consume RESTful endpoints and process JSON payloads.
Manage Webhook events and OAuth 2.0 authentication for third-party integrations.
Utilize Docker and cloud-hosted environments like AWS or GCP for deployment.

What we're looking for

Strong backend development skills in C# and .NET 8 / ASP.NET Core for building high-performance RESTful Web APIs.
Experience supporting and maintaining codebases written in legacy .NET Framework.
Excellent proficiency in writing, debugging, and optimizing complex raw SQL queries in MySQL without reliance on ORMs.
Experience with multi-tenant database designs, tenant isolation strategies, and efficient connection handling.
Experience building and consuming RESTful endpoints, processing JSON payloads, and managing Webhook events for third-party integrations.
Understanding of token management and securing external API communication via OAuth 2.0.
Proficiency in Visual Studio, Git (Azure DevOps), Docker, and cloud-hosted environments like AWS or GCP.
Exposure to Java backend technologies (preferred); experience with React and Typescript (preferred).

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