Sigma Software Group
Senior Backend Engineer (GenAI) (Accessibility Product House)
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Design and implement scalable backend solutions for a SaaS platform focused on accessibility compliance, optimizing performance and integrating technologies.
Company Description
We’re seeking a Senior Backend Developer to design and build scalable backend solutions for a modern SaaS platform focused on accessibility compliance.
You’ll optimize performance, shape core architecture, and integrate emerging technologies to ensure reliability and scalability.
If you’re passionate about high-performance systems and impactful products — we’d love to hear from you!
CUSTOMER
Our client is a rapidly growing technology leader in digital accessibility software that helps enterprises make their web and mobile offerings accessible to everyone. Its AI-enabled products save developer time and reduce risk via proprietary discovery and analysis algorithms that integrate directly into software development pipelines.
Job Description- Design and implement scalable, distributed backend solutions for a SaaS platform
- Architect and deliver complex systems focused on accessibility compliance
- Plan, execute, and maintain large-scale software delivery systems
- Monitor and optimize all aspects of product performance
- Research, evaluate, and integrate cutting-edge technologies into the backend architecture
- Troubleshoot issues across various backend services and infrastructure
- Collaborate on evolving the product's core architecture to meet performance and scale requirements
- Lead or contribute to hands-on technical architecture and SaaS infrastructure decisions
- 5+ years of experience with modern web-scale languages/frameworks, with a focus on Python (additional languages/frameworks: JVM-based, GoLang, TypeScript/Node.js)
- Proficiency with at least one major cloud provider (GCP, AWS, or Azure), including serverless and container-based deployments
- Proven experience in hands-on design and work on complex SaaS systems
- Expertise in modern software design practices
- Experience with multiple data stores/services (SQL, NoSQL, ElasticSearch, BigQuery, etc.)
- Experience with high-scale stream/message brokering systems (e.g., Kafka, RabbitMQ, CSP-specific equivalents)
- Extensive experience in managing and maintaining production systems
- At least Upper-Intermediate level of English
WOULD BE A PLUS
- Experience with GenAI-based systems (e.g., RAG, context engineering, agentic work)
- Familiarity with Kubernetes and container orchestration platforms
- Experience with multiple data stores (RDBMS, NoSQL, OLAP, e.g., ClickHouse)
- Experience working with Data Science or GenAI Engineers
- Experience with MCPs or agents
- Experience in agentic environments (e.g., Cursor, Copilot, Claude Code)
PERSONAL PROFILE
- Independent, excellent problem solver and passionate about learning new stuff
- Great communicator and team player with a total commitment to providing the best services to all stakeholders
Top Skills
AWS
Azure
BigQuery
Elasticsearch
GCP
Go
Jvm-Based
Kafka
Kubernetes
Node.js
NoSQL
Python
RabbitMQ
SQL
Typescript
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