Job opportunity
Role overview
Senior Solutions Architect
Location
Remote
Type
Full-time ###
About Fastn
Fastn is on a mission to revolutionize how SaaS companies connect with their customers' environments. Powered by AI, we provide an
embedded integration infrastructure
that enables SaaS businesses to
build, scale, and manage
their integration ecosystem effortlessly. With Fastn, companies can
launch strategic integrations, create their own app marketplace, and unlock new revenue streams
by offering seamless connectivity with the tools their customers already use. But our platform is more than just integrationsit’s about accelerating market penetration, driving partner-sourced revenue, and delivering smarter, more valuable customer experiences. If you’re passionate about
bridging the gap between technology, business, and customer success in a high-scale SaaS environment
, Fastn is the place to be. ###
What You’ll Do
As a
Senior Solutions Architect
, you will serve as a
technical expert and strategic partner
for customers, helping them design and implement seamless integrations using Fastn’s AI-powered platform. You will work closely with
engineering, product, sales, and customer success teams
to ensure that customers can effectively leverage Fastn to
build high-performance, scalable integration solutions
. ####
Your Responsibilities
-
Design and Architect Scalable Solutions
Work with customers to understand their business needs and design
high-performance, scalable integration architectures
. -
Provide Technical Guidance
Act as a
trusted advisor
to customers, guiding them on API best practices, data flow architecture, and integration strategies. -
Develop Proof of Concepts
Build and demonstrate
proof-of-concept (PoC) integrations
, showcasing Fastn’s capabilities and assisting customers in implementation. -
Optimize for Scalability and Performance
Design solutions that handle
millions of transactions per second/minute
with
sub-millisecond latency
. -
Drive API and Automation Excellence
Assist customers in leveraging Fastn’s APIs, AI-powered automation, and smart connectivity features. -
Ensure Security and Compliance
Implement best practices for
API security, authentication (OAuth, JWT, OpenID), and compliance (SOC 2, GDPR, etc.)
. -
Collaborate Across Teams
Partner with
engineering and product teams
to provide customer feedback and contribute to product improvements. -
Educate and Enable
Train customers, partners, and internal teams on best practices for using Fastn’s integration platform effectively. -
Mentor and Lead
Share best practices, mentor junior solution engineers, and contribute to documentation and technical leadership. ###
What We’re Looking For
We’re looking for a
highly skilled and customer-facing technical leader
who excels at designing scalable SaaS integration architectures. If you thrive at the intersection of
technology, business strategy, and customer success
, this role is for you. ####
Must-Have Skills & Experience
-
5+ years of experience
- in solutions engineering, solutions architecture, or enterprise integration.
- - Strong background in
API architecture, RESTful & GraphQL APIs, and event-driven integrations
- .
- - Hands-on experience with
backend development in Java, Python, or Node.js
- .
- - Expertise in
cloud platforms (AWS, GCP, or Azure)
and
serverless architectures
- .
- - Knowledge of
API authentication, security best practices (OAuth, JWT, OpenID), and compliance (SOC 2, GDPR, etc.)
- .
- - Experience designing solutions that handle
high-scale, low-latency transactions
- .
- - Familiarity with
iPaaS platforms (Mulesoft, Workato, Tray.io, etc.)
- and automation workflows.
- - Strong communication skills with the ability to explain complex technical concepts to both technical and non-technical stakeholders. ####
Nice-to-Have Skills
- -
- Experience with
AI-driven automation and API intelligence
- .
- - Background in
B2B SaaS integrations and developer tooling
- .
- - Knowledge of
event-driven architectures, message queues (Kafka, RabbitMQ, etc.), and real-time data processing
- .
- - Hands-on experience with
low-code and no-code integration platforms
. ###
Why Join Fastn?
-
Shape the Future of SaaS Connectivity
Define how SaaS companies scale their integration ecosystems. -
Work on Cutting-Edge AI & API Technologies
Solve complex connectivity challenges using AI-powered automation. -
High-Impact, Strategic Role
Directly influence customer success and Fastn’s technical strategy. -
Strong Engineering Culture
Collaborate with world-class engineers solving large-scale technical challenges. -
Competitive Compensation
Market-leading salary, meaningful equity, and a flexible remote work environment. ###
Join Us in Building the Future of SaaS Connectivity!
If you’re excited to
architect high-scale SaaS solutions, drive technical strategy, and help customers succeed
, we’d love to hear from you.
Apply now and help shape the future of SaaS integrations!
Skills
Details
Workplace
Remote
Source
Manatal
Country
United States
Date posted
May 21, 2026
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