Backend Software Engineer (C/C++)

Dory Company Limited; United States; Remote; USD 70,000 - 110,000; Full time

Job summary

An innovative firm is seeking a passionate developer to contribute to a high-performance Rate Calculation Engine SDK used by banks across the U.S. This role involves tackling complex financial computations and delivering reliable systems that meet unique business rules. If you thrive in a flexible environment and possess strong programming skills, this opportunity is perfect for you. Join a dynamic team that values self-motivation and responsibility, and enjoy a competitive benefits package including a 13th month salary and extra health insurance.

Benefits

13th month salary

Extra Commercial Health Insurance

Annual performance review

Weekly team lunch

Monthly team dinner

Lunch allowance

Gasoline allowance

Fun and dynamic working environment

Qualifications

• Experience with low-level programming and high-stakes environments.
• Strong math skills applied in real-world systems.

Skills

C/C++

Mathematics

English proficiency

Tools

.NET C#

Job description

We are developing a high-performance Rate Calculation Engine SDK used by banks across the U.S. to compute complex financial fees in real time. While our codebase is lean, it powers a mission-critical product relied on by a growing number of banks nationwide.

Every bank has unique business rules, fee structures, and configurations — and that’s where the complexity and challenge lie. Our SDK abstracts that complexity and delivers speed, reliability, and flexibility to financial institutions at scale.

If you're passionate about low-level programming, math-heavy logic, and building clean, dependable systems for high-stakes environments, you’ll fit right in.

Your skills and experience
Basic Requirements:

• Experience with C/C++
• Strong math skills (applied in real-world systems)
• Reading/writing proficiency in English is also required. Spoken English is highly desirable.

Because we are very flexible with work environment and hours, you MUST BE:

• Self-motivated
• Self-managed
• Highly responsible

Nice to Have:

• Understanding of core software engineering principles (algorithms, modularity, clean architecture)
• Familiarity with performance-sensitive coding practices
• Attention to detail, especially with business-critical logic
• Experience with .NET C#

Why you'll love working here

Your compensation will depend on experience, but our benefits package is very competitive:

• 13th month salary
• Extra Commercial Health Insurance
• Annual performance review
• Weekly team lunch & Monthly team dinner
• Lunch allowance
• Gasoline allowance
• Fun and dynamic working environment