C++ Senior Software Engineer – Fully Remote
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At a glance
- Employment type
- Full-time
- Location
- Ireland · Remote within Ireland
- Workplace
- Remote
- Category
- Full-stack
What you'll be doing
Join a global fintech as a Senior C++ Software Engineer working fully remotely from Ireland. You'll design and build high-performance C++ applications, develop new features, and work on greenfield projects with a focus on expanding financial access worldwide. Enjoy genuine ownership and career growth.
- Design, build, and maintain high-performance C++ applications
- Develop new software features using C++
- Provide payment systems to people who may not have had access before
Key requirements
Must-have
- 6+ years of software engineering experience in C++
- Strong expertise in REST API design
- Strong expertise in multi-threaded programming
- Good experience with relational databases and SQL
Experience: 6+ years
Role signals
- Technical focus
- full-stack
- Hands-on vs management
- Hands-on
Similar jobs
Full job description
Senior C++ Software Engineer | Fully Remote
Greenfield Projects | Global Scale | Fast Career Growth
Want to build high-scale tech with real impact? A growing global fintech company is looking for a Senior C++ Engineer to join a small, high-performing engineering team. Their mission is to expand financial access worldwide through technology.
This role offers genuine ownership, variety, and high visibility. You’ll work on brand-new greenfield projects, tackle interesting technical problems, and collaborate closely with talented developers and global tech partners.
If you’re an experienced, independent software engineer looking for a remote role with plenty of room to progress, this is a great fit.
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What You’ll Do:
- Design, build, and maintain high-performance C++ applications.
-
Develop new software features using C++
-
Provide payment systems to people who may not have had access before.
-
What You Need:
- 6+ years of software engineering experience in C++.
-
Strong expertise in REST API design and multi-threaded programming.
-
Good experience with relational databases and SQL.
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What’s On Offer: Competitive base salary (DOE) + strong benefits package.
For more details or a confidential chat, contact Samuel Knox on +353 1 960 9973 or email your CV to .
Interview prep pack
Grounded in this listing. Use it to prepare examples before you apply.
Your interview focus
Based on this listing, the role is for a Senior C++ Software Engineer working remotely on greenfield fintech projects, with a focus on high-performance applications, REST API design, multi-threaded programming, and SQL. The position emphasizes technical ownership, collaboration, and delivering impactful payment solutions at global scale.
- C++ technical depth·Medium
- REST API design·High
- Multi-threaded programming·High
- SQL/database integration·High
Only have 30 minutes?
Follow a focused preparation plan based on this job.
Start 30-minute prep
Your 30-minute plan
Review and Summarize Recent C++ Projects
0–8 minPrepare concise stories about your most relevant C++ projects, focusing on greenfield development, performance, and technical challenges.
Refresh REST API and Multi-threading Concepts
8–15 minStudy best practices and recent examples of REST API design and multi-threaded programming in C++.
Prepare SQL Integration Examples
15–20 minRecall specific instances where you integrated C++ applications with relational databases and optimized queries.
Research the Company's Mission and Impact
20–25 minUnderstand the fintech landscape and how technology can expand financial access globally.
Draft Role-Specific Questions
25–30 minWrite down thoughtful questions about the team's technology, processes, and mission to ask during the interview.
Talking points
, 5 itemsDesigning and Building High-Performance C++ Applications
You should be ready to discuss how you have architected, optimized, and maintained complex C++ systems, especially those requiring high throughput or low latency.
REST API Design in C++
Prepare to explain your experience designing, implementing, and consuming RESTful APIs, including best practices for security, scalability, and maintainability.
Multi-threaded Programming Challenges
Be able to share examples of how you have handled concurrency, synchronization, and performance issues in multi-threaded C++ applications.
SQL and Relational Database Integration
Demonstrate your ability to design schemas, write efficient queries, and integrate C++ applications with relational databases.
Delivering Impactful Fintech Solutions
Showcase your understanding of building technology that expands financial access, and how your work has contributed to real-world impact.
What to research
, 4 itemsRecent C++ Greenfield Projects
Review your experience designing and building new C++ applications, focusing on architecture, performance, and scalability.
REST API Design in C++
Refresh your knowledge of RESTful principles and C++ frameworks for API development.
Multi-threaded Programming Techniques
Prepare examples of concurrency challenges you have solved and the synchronization primitives you used.
SQL Integration with C++
Be ready to discuss your experience with relational databases, query optimization, and C++ database libraries.
Questions to ask
, 6 itemsWhat C++ frameworks or libraries does the team use for REST API development?
Why ask this? Clarifies the technical stack and helps you assess your fit and preparation needs.
How does the team approach code reviews and collaboration in a fully remote setting?
Why ask this? Gives insight into team culture and remote work practices.
What are the biggest technical challenges currently facing the engineering team?
Why ask this? Helps you understand where your expertise can add the most value.
How is success measured for engineers working on greenfield projects?
Why ask this? Clarifies performance expectations and project goals.
Can you share more about the impact of your payment systems on expanding financial access?
Why ask this? Shows your interest in the company's mission and the real-world outcomes of your work.
What opportunities exist for career growth and technical leadership within the team?
Why ask this? Assesses alignment with your career goals and the company's growth trajectory.
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