Senior Software Engineer- ASTRO jobs in United States
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Orion · 9 hours ago

Senior Software Engineer- ASTRO

Orion is seeking a highly skilled Senior Software Engineer with strong experience in AWS architecture and C#. The role involves designing, building, and optimizing critical systems for high-volume financial applications, ensuring scalability, observability, and resilience as the company grows.

AccountingFinancial ServicesTrading Platform
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H1B Sponsor Likelynote

Responsibilities

Design and implement cloud-native services in AWS using C#, serverless patterns, containerized workloads, and event-driven architectures
Ensure systems are highly scalable, secure, observable, and automated, leveraging tools such as CloudWatch, OpenTelemetry, or equivalent observability platforms
Build high-quality, performant APIs and backend services with a heavy emphasis on clean architecture, testability, and operational excellence
Work with relational databases (MySQL, SQL Server, or similar) and contribute to schema design, query optimization, and performance tuning
Leverage or learn NoSQL technologies (e.g., DynamoDB, DocumentDB) to support scalable, distributed patterns where appropriate
Partner closely with product, operations, analytics, and application development teams to deliver reliable features in a fast-moving FinTech environment
Collaborate effectively with offshore engineers, using asynchronous communication and overlapping work hours for real-time pairing and joint troubleshooting
Provide production support for business-critical systems, primarily during standard business hours, with occasional after-hours needs when incidents require it
Drive and uphold engineering best practices including CI/CD, code reviews, infrastructure-as-code, performance profiling, and continuous improvement
Use AI tools daily to accelerate development, enhance quality, and drive innovation as part of our AI-first engineering culture

Qualification

AWS architectureC#Cloud-native servicesRelational databasesNoSQL technologiesObservability toolsProduction supportAI-driven developmentCommunication skills

Required

5–8+ years of software engineering experience, with deep expertise in C# and the broader .NET ecosystem
Strong understanding of AWS services and architectures, including Lambda, ECS/EKS, SQS/SNS, Step Functions, API Gateway, DynamoDB, IAM, VPC networking, and related patterns
Experience working with relational databases (SQL) and familiarity with NoSQL data modeling
Comfort designing and supporting high-scale, distributed systems, including performance tuning, caching strategies, failover design, and capacity planning
Proficiency with observability tools and best practices: tracing, metrics, logging, dashboards, alerting, SLOs/SLIs, error budgets, etc
Ability to balance speed and craftsmanship, writing code that is both efficient and maintainable in fast-paced environments
Strong communication skills and the ability to work productively with offshore teams, cross-functional partners, and non-technical stakeholders
A proactive mindset around production support, debugging, root cause analysis, and preventing incident recurrence
A passion for innovation and comfort using AI-driven development tools to improve velocity and quality
Minimum of a bachelor's degree in Computer Science, MIS, or Information System Analysis required
Equivalent education and experience will be considered

Benefits

Health, dental, vision, and disability coverage on day one
401(k) plan with employer match
Paid parental leave
Pet benefits including pawternity leave and pet insurance
Student loan repayment

Company

Orion

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Orion is a wealthtech powerhouse delivering an integrated suite of fully connected, disruptive technology and investment solutions on an open architecture platform.

H1B Sponsorship

Orion has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2020 (1)

Funding

Current Stage
Late Stage

Leadership Team

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Chad Boyer
Chief Technology Officer
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Mustapha Baassiri
Chief Technology Officer
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Company data provided by crunchbase