Senior Cloud Engineer - SaaS API & Microservices

Allego; Waltham (MA); On-site; USD 140,000 - 190,000; Full time

Job summary

Allego, a Boston-area SaaS company, is hiring a senior cloud backend engineer to own backend services powering the Revenue Enablement Platform. You will architect, develop, and maintain API servers and microservices serving millions of requests from mobile and web clients worldwide.

You will collaborate with product, QA, frontend, and DevOps teams in a fast-paced environment, owning features, security, and performance while mentoring others and upholding engineering quality.

Qualifications

• 5+ years of professional Java development in a production SaaS environment.
• Strong command of relational databases (MySQL) — schema design, query optimization, and stored procedure development.
• Solid experience with REST API design and implementation at scale.
• Experience with asynchronous, message-driven systems.
• Proficiency with AWS services (S3, SES, EC2, or equivalents).
• Excellent written and verbal communication skills in English.

Responsibilities

• Design and implement new features and APIs consumed by mobile and web clients, leveraging AI driven tools and processes.
• Maintain and evolve core backend services and microservices.
• Write and optimize database stored procedures for performance and correctness.
• Architect and deliver asynchronous processing pipelines.
• Contribute to security features including SSO integration, file handling, and role-based access controls.
• Debug and resolve production incidents with urgency and thoroughness.
• Participate in code review and set the bar for engineering quality across the team.
• Mentor junior and mid-level engineers and drive adoption of consistent patterns.

Skills

Java

REST APIs

AWS

MySQL

Distributed systems

English communication

Backend development

Education

Bachelor's Degree in CS/IS/Engineering

Tools

Spring Boot

Hibernate ORM

Kafka

RabbitMQ

Redis

Job description

Allego, a Boston-area SaaS company, is hiring a senior cloud backend engineer to own backend services powering the Revenue Enablement Platform. You will architect, develop, and maintain API servers and microservices serving millions of requests from mobile and web clients worldwide.

You will collaborate with product, QA, frontend, and DevOps teams in a fast-paced environment, owning features, security, and performance while mentoring others and upholding engineering quality.