Fully Remote greenfield projects – C++ Senior Software Engineer

Archer · Recruitment agency
Contract•Full-stack•€353/day (EUR)•Ireland · Remote within Ireland
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At a glance

Employment type
Contract
Workplace
Remote
Day rate
€353/day (EUR)
Category
Full-stack

Technologies & skills

Primary technologies

PHPC++

Other technical skills

REST APIsSQL

What you'll be doing

Join a global fintech as a Senior C++ Software Engineer working fully remotely from Ireland. You'll architect, build, and maintain high-performance C++ applications, ship new features, and collaborate with top-tier teams on greenfield projects. Ideal for experienced engineers seeking ownership and technical challenges.

  • Architecting, building, and maintaining high-performance C++ applications
  • Shipping new features using C++
  • Collaborating with engineering, support teams, and global tech partners

Key requirements

Must-have

  • 6+ years of software engineering experience in C++
  • Mastery of REST API design
  • Experience with multi-threaded programming
  • Deep familiarity with relational databases and SQL

Experience: 6+ years

Role signals

Technical focus
full-stack
Architecture / system design
Indicated in the listing
Hands-on vs management
Hands-on

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Full job description

C++ Senior Software Engineer | Fully Remote

  • Huge Global Scale

  • Fast-Track Progression

  • Pure Greenfield Build

Looking to build high-impact tech on a massive scale? A fast-growing global fintech powerhouse on a mission to democratize financial access is looking for a C++ Senior Software Engineer to join their lean, high-octane engineering team.

This isn’t just another job—it’s your chance to grab real ownership, tackle fascinating technical puzzles, and leave a permanent mark on a rapidly expanding ecosystem. You’ll be coding for brand-new features, conquering complex challenges, and collaborating with top-tier devs, agile support teams, and elite global tech partners.

If you’re an experienced, autonomous engineer ready to make waves worldwide while fast-tracking your career, this is your launching pad.

  • What You’ll Be Doing:

    • Architecting, building, and maintaining high-performance C++ applications.

  • Shipping sharp new features using C++

  • Living the fully remote lifestyle—with a great work-life balance.

  • What You Bring to the Table:

    • 6+ years of battle-tested software engineering experience in C++.

  • Rock-solid mastery of REST API design and multi-threaded programming.

  • Deep familiarity with relational databases and SQL.

Competitive base salary (DOE)

Reach out to Samuel Knox for a confidential chat at +353 1 960 9973 or send your CV straight 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 to architect, build, and maintain high-performance applications for greenfield projects in a global fintech environment, with a strong emphasis on REST APIs, multi-threaded programming, and SQL.

  • C++ expertise·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

  1. Review and Summarize Recent C++ Projects

    0–8 min

    Prepare concise stories about your greenfield C++ work, focusing on architecture, challenges, and results.

  2. Refresh REST API and Multi-threading Concepts

    8–15 min

    Revisit RESTful API standards and concurrency patterns in C++, including code samples if possible.

  3. Revisit SQL Integration in C++

    15–20 min

    Review your experience with relational databases, schema design, and query optimization in C++ projects.

  4. Prepare Examples of Remote Collaboration

    20–25 min

    Think of specific instances where you worked effectively with distributed teams or global partners.

  5. Draft Role-Specific Questions

    25–30 min

    Write down thoughtful questions about the project, team, and technical stack to ask during the interview.

Likely questions

, 6 items

Priority reflects how strongly this topic is emphasised in the job listing, not whether it will be asked.

Talking points

, 5 items

  • Architecting High-Performance C++ Applications

    Demonstrates your ability to design scalable, maintainable systems from scratch, which is central to greenfield projects.

  • REST API Design and Integration

    Shows your experience building and consuming APIs, a key requirement for this role.

  • Multi-threaded Programming in C++

    Highlights your expertise in concurrency and performance optimization, which is essential for high-impact fintech systems.

  • Relational Database Design and SQL Proficiency

    Proves your ability to work with data storage and retrieval, ensuring robust backend functionality.

  • Collaboration in Remote, Cross-Functional Teams

    Demonstrates your communication and teamwork skills, which are important for a fully remote, globally distributed team.

What to research

, 4 items

  • Recent C++ Greenfield Projects

    Review your experience architecting and building new C++ systems, focusing on technical decisions and outcomes.

  • REST API Implementation in C++

    Refresh your knowledge of RESTful API standards and how you have implemented them in C++.

  • Multi-threading Techniques

    Prepare to discuss concurrency models, synchronization, and debugging multi-threaded C++ applications.

  • SQL and Relational Database Integration

    Be ready to talk about schema design, query optimization, and integrating SQL databases with C++ code.

Questions to ask

, 6 items
  1. What are the main technical challenges anticipated for these greenfield projects?

    Why ask this? Clarifies the complexity and scope of the work you will be tackling.

  2. Which C++ frameworks or libraries are currently favored by the team for REST API development?

    Why ask this? Helps you understand the technical stack and align your experience.

  3. How does the team approach code reviews and quality assurance in a fully remote setup?

    Why ask this? Reveals the team's commitment to code quality and collaboration practices.

  4. What is the typical workflow for collaborating with global tech partners?

    Why ask this? Gives insight into cross-team communication and project management.

  5. How is success measured for engineers on these projects?

    Why ask this? Clarifies performance expectations and growth opportunities.

  6. Are there opportunities to influence architectural decisions as the project evolves?

    Why ask this? Assesses your potential for technical ownership and impact.

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Apply NowApply before: 9 Oct 2026