Why This Job is Featured on The SaaS Jobs
Building and scaling multi-tenant SaaS on AWS remains a core capability for product companies operating at meaningful scale, and this role sits directly in that problem space. The focus on a large application stack, microservices, and cloud-native services like ECS/Fargate, API Gateway, and managed databases signals work where reliability, isolation between tenants, and platform leverage matter as much as feature delivery.
For a SaaS engineering career, the value here is sustained exposure to the mechanics behind scalable subscriptions software: designing service boundaries, evolving data stores, and operationalising CI/CD in a production environment. The remit also includes proof-of-concepts and integration research across SaaS and IaaS technologies, which builds the kind of platform judgment that transfers across SaaS domains, especially where APIs, identity, and administration workflows are central.
This position is best suited to an experienced engineer who prefers owning architecture-level decisions while still contributing hands-on delivery. It will fit someone comfortable collaborating with product and engineering counterparts, using code reviews and troubleshooting as part of normal execution, and working in an environment where cloud security and networking considerations are part of day-to-day design choices.
The section above is editorial commentary from The SaaS Jobs, provided to help SaaS professionals understand the role in a broader industry context.
Job Description
About You
You are a passionate Senior Software Engineer who wants to develop and scale our multi-tenant SaaS applications on the AWS platform. You have a strong software engineering background and advanced knowledge of the AWS platform, tools and services. From day one, you must be able to hit the ground running and bring all your experience to the team to contribute in the building of a great product. Most importantly, you have a positive “can do” attitude and a passion for delivering technical solutions in a fast-paced startup environment.
Your Impact
Key Responsibilities:
- Responsible for design and development of a large-scale application stack running on AWS.
- Collaborate with product management and engineering teams to design and integrate software, conduct code reviews, and troubleshoot product issues.
- Perform proof of concepts to identify best design options including usage of AWS services.
- Research integration options for various SaaS/IaaS technologies, including APIs for user administration and incorporate this research in our application integration.
What will you need?
Required Skills:
- Minimum 7 years of relevant work experience in similar roles.
- In-depth knowledge of Spring, Spring Boot, Java, REST Web Services, SQL/NoSQL databases, ELK stack, microservices architecture, container/Docker technology, CI/CD principles.
- Hands-on experience developing and delivering scalable multi-tenant SaaS applications on AWS platform.
- In-depth knowledge of AWS platform, tools and services, specifically AWS networking and security, Route53, API Gateway, ECS/Fargate, RDS, DynamoDB.
- Outstanding collaboration and communication skills.
- Ability to effectively collaborate with distributed teams.
- Understand and practice agile development methodology.
- Prior experience with security product development.
Nice to Have:
- AWS Certified Developer certification is highly desired.
- Prior experience with Big Data technologies.
