Lead C#/.NET Developer, Boston at ION Group

Boston, Massachusetts, United States

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Not SpecifiedCompensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Financial Services, Capital MarketsIndustries

Requirements

8+ years of experience developing commercial-grade software applications
Proven hands-on expertise in C#/.NET development, with a deep understanding of modern C# features and best practices
Strong SQL skills with at least 3+ years of experience working with complex, multi-tier architectures
Solid foundation in software design principles, development methodologies, and building scalable, maintainable systems
Bachelor’s degree in Computer Science or equivalent professional experience
Experience with modern front-end web technologies (e.g., React, Angular, or Blazor) is a plus
Knowledge of — or interest in — capital markets and financial systems is highly desirable

Responsibilities

Design and build high-performance, testable C#/.NET microservices leveraging the latest in cloud, containerization, and messaging technologies
Collaborate on software architecture and technical design decisions that shape scalable, enterprise-grade financial solutions
Contribute as part of an Agile/Scrum team, translating user stories into clean, maintainable code and delivering working software each sprint
Own your applications end-to-end — from development through deployment — and provide production support when needed to ensure reliability and performance

Skills

.NET

Microservices

SQL

Cloud

Containerization

Messaging

Agile

Scrum

React

Angular

Blazor

ION Group

Automation technology for financial sector clients

About ION Group

ION Group specializes in automation technology tailored for the financial sector, primarily serving institutional clients like investment banks, asset managers, and brokers. The company provides advanced software solutions that enhance trading, processing, and risk management activities in global financial markets. ION's products include sophisticated software platforms and APIs that enable clients to connect seamlessly to various trading venues and exchanges, ensuring efficient and accurate transactions. Unlike many competitors, ION stands out by acquiring entrepreneurial firms, which allows it to remain agile and responsive to market changes. The company's goal is to enhance efficiency and reduce operational risks for its clients through automation and innovative technology.

London, United KingdomHeadquarters

1998Year Founded

$426.5MTotal Funding

GROWTH_EQUITY_VCCompany Stage

Enterprise Software, FintechIndustries

5,001-10,000Employees

Benefits

Health, dental, and vision insurance

AD&D and disability insurance

Flexible spending account

Health savings account

Life insurance

Mental health care

401K plan

Performance bonus

Supplemental workers' compensation

Family medical leave & parental leave

PTO, paid holidays, sick days, bereavement leave, and volunteer time off

Commuter checks

Company social events

Employee assistance program

Free lunch

mobile phone discount

Risks

Complexity in consolidating trading platforms may lead to operational inefficiencies.

US Treasury market's clearing mandate could impose significant compliance costs.

Potential global tariffs by Trump administration may disrupt ION's global operations.

Differentiation

ION Group specializes in automation technology for the financial sector.

The company offers sophisticated software platforms and APIs for seamless trading.

ION Group constantly innovates to enhance efficiency and reduce operational risks.

Upsides

Increased demand for automation drives innovation in AI-driven trading platforms.

The rise of DeFi creates opportunities for blockchain integration in financial services.

Growing importance of ESG criteria pushes adoption of efficient reporting tools.

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