Senior Software Engineer

As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology.

Job Description

Job Title: Senior Software Engineer


Locations : Denver, CO| Hybrid


About the Role


SS&C GIDS provides information processing and computer software services and products. The Company's operating segments include financial markets, customer management, professional services, and output solutions. SS&C GIDS serves the alternative investments, asset and wealth management, banking and lending, insurance, and real estate industries.


The Senior Software Engineer will play a key role within Calastone's Engineering Team, working within the Software Engineering group to enhance and support new and existing products. This role involves leading collaboration within engineering teams, mentoring junior engineers, and taking ownership of feature design and implementation. The Senior Software Engineer will promote good design and development practices, ensure code quality across the team, and participate in defining technology strategy for Calastone IT, including occasionally leading innovation or software design initiatives.


Why Join SS&C


SS&C combines proprietary technology with deep industry expertise to support complex financial and health care operations. Our teams design, implement, and operate solutions that help clients manage data, automate processes, and scale their businesses with confidence.


You will work with industry experts, modern platforms, and evolving technologies, gaining exposure to real-world operational challenges and large-scale enterprise environments.


How You Will Make an Impact

• Develop new features at a high level of quality.

• Conduct peer reviews of code.

• Participate in daily Stand-Ups, change analysis sessions, and technical presentations.

• Provide input as necessary to tool and environment adoption guidance.

• Continuously develop your business domain knowledge and comprehension of the Calastone business.

• Work closely with tech leads, engineers, testers, and auxiliary personnel.

• Take ownership of specific initiatives in innovation or technical debt.

• Design, document and communicate system solutions ensuring a good balance of time, quality, cost and performance.

• Works with colleagues across the organization, seeking advice and getting buy-in on proposals and designs.

• Join the engineering out-of-hours on-call rota (typically once every 3-4 weeks) once suitably skilled and appropriately trained.

• Support incident investigation and resolution, contributing to root cause analysis and implementing long-term fixes.

Required Experience

• C# at a mature commercial level.

• .NET Core and related open-source technologies.

• Object Orientation, SOA, and related design patterns.

• Modern software development practices: agile, version control, code reviews, continuous integration

• Concurrency, asynchrony, and parallelism.

• Test Driven Development - Unit Testing frameworks, mocking frameworks, and patterns for testability.

• Relational database concepts, Microsoft SQL Server and SQL.

• Front-end technologies including HTML, CSS, and JavaScript.

• Web API design and implementation

• The mutual funds industry or related financial experience.

What Sets You Apart (preferred qualifications)

• Experience with TypeScript in commercial environments

• SPAs and responsive web development using Angular

• Enterprise messaging systems (e.g. NServiceBus/Azure Service Bus)

• Cloud platforms, preferably Microsoft Azure

• Containerisation (Docker) and orchestration (Kubernetes)

• Blockchain development and associated Cryptographic concepts

• Knowledge of mutual fund trading, settlement, reconciliation, lifecycle management and regulation within the context of the distributor/platform, Transfer Agent (TA), and fund/asset management industry.

Join SS&C, where innovation meets global opportunities. Click here to apply.


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Unless explicitly requested or approached by SS&C Technologies, Inc. or any of its affiliated companies, the company will not accept unsolicited resumes from headhunters, recruitment agencies, or fee-based recruitment services.

SS&C Technologies offers a comprehensive total rewards package designed to support your wellbeing, growth, and future. Our benefits include medical, dental, and vision coverage; a 401(k) plan with company match; paid time off, holidays, and parental leave; and professional development reimbursement opportunity.

Applications will be accepted on an ongoing basis until the position is filled.

SS&C Technologies is an Equal Employment Opportunity employer and does not discriminate against any applicant for employment or employee on the basis of race, color, religious creed, gender, age, marital status, sexual orientation, national origin, disability, veteran status or any other classification protected by applicable discrimination laws.