Software Engineer II

SEI • Boston, MA

5d • $110,000 - $150,000 • Hybrid

About The Position

SEI is looking to hire a passionate Full Stack Software Engineer, who is ready to work on the cutting edge of FinTech software solutions. You will be joining our team of experts to build the next generation of investment platforms. You will engineer solutions to challenging and meaningful problems, with the goal of expanding and enhancing the solutions suite. You should possess solid software development and programming skills, have a sound understanding of engineering best practices and have the drive to deliver the very best. Additionally, you must have excellent communication skills, since you will be working with sales and support teams as well as 3rd party API development teams. What you will do: You will be writing code across all tiers of our application using .NET, React, and Typescript. You will be writing RESTFul APIs in a microservice architecture using ASP.NET and containers leveraging technologies and features within the AWS platform. You will participate in all the design meetings and stand-ups that you and the team conduct. You’ll work with embedded product managers and software testers to take a holistic approach to your software development.

Requirements

• Bachelor’s Degree in Computer Science or a related field
• A minimum of 5 years of experience working on a multi-tiered cloud-based application.
• Demonstrated experience with the following: .Net, JavaScript/TypeScript, AWS, HTML, React, Kafka and Entity Framework.
• Hands on coding experience with RDBMS databases in a distributed system
• Deep understanding of Agile development best practices such as TDD and CI/CD.
• Experience or exposure with cybersecurity application development concept.
• Strong knowledge of design patterns and software engineering best practices.
• Familiarity with AI assisted development environments like Copilot, Cursor, Windsurf, Claude Code
• Proven experience with Object-Oriented Programming and proficiency in Microsoft .NET Framework and C#.

Nice To Haves

• Team player with excellent interpersonal skills and the ability to work in a fast-paced environment
• Demonstrate excellent oral and written communication skills with the ability to listen, articulate, facilitate and advocate.
• Love of technology and an eye for applying it to existing and upcoming challenges and opportunities.
• Exposure to the capital markets and investing
• Someone who will embody our SEI Values of courage, integrity, collaboration, inclusion, connection and fun.

Responsibilities

• Writing code across all tiers of our application using .NET, React, and Typescript.
• Writing RESTFul APIs in a microservice architecture using ASP.NET and containers leveraging technologies and features within the AWS platform.
• Participate in all the design meetings and stand-ups that you and the team conduct.
• Work with embedded product managers and software testers to take a holistic approach to your software development.

Benefits

• comprehensive care for your physical and mental well-being
• a strong retirement plan
• tuition reimbursement
• a hybrid working environment for most roles
• support for working parents
• flexible Paid Time Off (PTO) so you can relax, recharge and be there for the people you care about.
• Benefits include healthcare (medical, dental, vision, prescription, wellness, EAP, FSA), life and disability insurance (premiums paid for base coverage), 401(k) match, education assistance, commuter benefits, up to 11 paid holidays/year, 21 days PTO/year pro-rated for new hires which increases over time, paid parental leave, back-up childcare arrangements, paid volunteer days, a discounted stock purchase plan, investment options, access to thriving employee networks and more.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level