Senior Software Engineer
Alegeus · Bengaluru · hybrid · Posted 49d ago
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About this role
Role Summary
We are seeking a Senior Software Engineer (Architecture team) team to design, build, and scale distributed, cloud-native applications. This role emphasizes strong engineering fundamentals, system design, microservices architecture, and end-to-end ownership of high-impact systems.
The engineer will collaborate across architecture, product, and platform teams to deliver scalable, reliable, and high-performance solutions aligned with business outcomes.
Key Responsibilities
Architecture & System Design
- Design and build scalable distributed systems using microservices architecture
- Contribute to system design decisions with focus on performance, reliability, and fault tolerance
- Apply Domain-Driven Design (DDD) principles to align technical solutions with business domains.
API & Backend Engineering
- Develop robust APIs using C#/.NET Core and REST principles
- Champion API-first development with clean contracts and high reusability
- Ensure secure, scalable, and extensible service design
Cloud & Platform Engineering
- Build and deploy applications on cloud platforms (Azure preferred / AWS)
- Work with Kubernetes and containerized environments
- Ensure high availability and resilience of services
Data Engineering
- Design and implement data solutions using relational and NoSQL databases
- Optimize data models for performance and scalability
Event-Driven & Distributed Systems
- Develop systems leveraging event-driven architecture
- Handle asynchronous workflows, messaging, and system integration
Engineering Excellence
- Write clean, maintainable, and efficient production-grade code
- Participate in code reviews and enforce engineering best practices
- Ensure performance optimization and system reliability
Agile & Collaboration
- Work in Agile/Scrum teams to deliver high-quality software
- Collaborate with cross-functional teams including Product, QA, and Architecture
- Translate business requirements into technical solutions.
Innovation & AI Enablement
- Leverage AI technologies/Tools to improve system intelligence and automation
- Contribute to modernization initiatives and platform evolution
Mentorship & Leadership
- Mentor junior engineers and guide technical decision-making
- Drive continuous improvement and engineering culture
Required Qualifications (Hard Requirements)
- 6-9 years of hands-on software development experience, with at least 4 years in designing and deploying distributed systems using microservices and Kubernetes.
- Strong expertise in C#/.NET Core and backend development
- Experience building microservices-based distributed systems
- Hands-on experience with Kubernetes and containerization
- Strong understanding of API design and REST principles
- Experience with relational and NoSQL databases
- Familiarity with cloud platforms (Azure preferred / AWS)
- Strong knowledge of system design, scalability, and performance optimization
- Experience working in Agile/Scrum environments
- Strong communication and collaboration skills
Preferred Qualifications
- Bachelors or Masters degree in Computer Science or related field
- Experience with Domain-Driven Design (DDD)
- Experience with event-driven architecture and messaging systems
- Exposure to AI based development
- Experience building enterprise-scale SaaS platforms
What Success Looks Like
A successful Senior Software Engineer will:
- Deliver scalable, high-performance systems aligned with architecture standards
- Drive API-first and microservices adoption across initiatives
- Improve system reliability, scalability, and maintainability
- Enable faster delivery through strong engineering practices
- Mentor team members and elevate overall engineering quality
- Contribute to modernization and innovation initiatives
Collaboration & Accountability
- Work closely with Architects, Product Managers, QA, and Platform teams
- Take end-to-end ownership of features and services
- Handle multiple initiatives while maintaining high quality standards
- Actively contribute to team success and shared ownership culture
Why join us
You will be part of a team tackling challenging modernization work at scale. Our consumerdirected healthcare platform is critical to Alegeus mission of simplifying healthcare payments, and this role offers the opportunity to drive tangible impact. You will work with supportive colleagues, leverage cuttingedge tools (including AIassisted development), and develop your skills in microservices, eventdriven architectures, testdriven development and cloud engineering. If you are a productminded engineer who cares about business outcomes and takes pride in your craft, we’d love to hear from you.
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About Alegeus
Alegeus
FinTech
501-1000
employees
1995
31 years old
Waltham
US
About
Alegeus Technology
Alegeus is a FinTech company operating in the healthcare benefits space. At a high level, were the leading platform that powers tax-advantaged benefit accounts so think of things like HSAs, FSAs, etc. In other words, we sit at the intersection of healthcare, payments, and technology, and essential we're helping millions of people save smarter and spend better on their healthcare.
In recent years, Alegeus has grown quickly and successfully, but like many fast-growing companies, we’ve reached that stage where we need to evolve from “scale-first strategy” to sustainable, scalable growth. We’re sharpening our identity as a true FinTech company, not just HealthTech and we’re building the operational and strategic infrastructure to support that future.
Since joining Vista Equity Partners, one of the world’s leading private equity firms focused exclusively on software and technology with approx. 80 companies in their portfolio, we’ve been laying the groundwork for that next phase of growth and maturity. We’re investing in technology (think product, AI, etc.) , leadership, and process, all with the goal of creating a more aligned, efficient, and high-performing organization. When it comes to the numbers here's a rapid fire breakdown:
- 1k employees, HQ in Boston, but also have office in Bangalore and Orlando and a presence in Milwaukee.
- We've doubled revenue in five years.
- Directionally we're $300m + this year
- We've tripled EBITDA in five years with 47% EBITDA margins
- We're projected to have more than 11M lives on platform this year, with ~99% client retention
- Greater than 50% rule of 40
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Career growth
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Work-life
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