Middle Strong C++ developer (remote)

TechMagic; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Work from anywhere

Fully remote

Top IT employer recognition

Job summary

TechMagic is seeking a Middle strong C++ Developer to join a live, high-performance trading platform in the energy commodities space. You’ll contribute to a production system where every millisecond counts, shaping the technical direction of a core market platform.

The role is fully remote, with a US/global client base. You will work on modern C++ (17/20/23), Linux/POSIX, and build tools while collaborating with a small team of C++ and UI developers.

Qualifications

• 3.5+ years of professional software development experience.
• Deep expertise in Modern C++ (17/20/23) with focus on performance.

Skills

Modern C++

Linux

CMake

Git

Concurrency

Shared memory

AI coding tools

English

Tools

vcpkg

Job description

We are looking for a talented Middle strong C++ Developer with 3.5+ years of programming background to make consistent, high-quality code contributions to a mature, high-performance C++ product in the energy commodities trading domain.
This is not a from-scratch build — you'll be joining a live, production trading system where every millisecond counts, with real opportunity to influence the technical direction of a core part of the platform.

JOB REQUIREMENTS:

Must have:

• 3.5+ years of professional experience in software development
• Deep expertise in Modern C++ (17/20/23): move semantics, constexpr, templates, etc.
• Strong experience with Linux / POSIX environments
• Profi/ciency with build systems and tools: CMake / vcpkg, Git
• Hands-on experience with concurrency and shared memory tools
• Proficiency in using AI coding tools (Cursor, Claude, Codex, etc.) to enhance the development workflow
• English: Upper-Intermediate or Advanced

Nice to have:

• Experience with Svelte
• Familiarity with kdb+, TypeScript, and code generation tools
• Experience in Financial or Trading domains (FIX Protocol, OMS, market data feeds like ITCH/OUCH)
• Knowledge of Redis or other in-memory data stores
• Familiarity with the Qt framework
• Team lead experience (optional, not required)

WHAT WE ARE LOOKING FOR:

• Autonomy: You excel at working independently, learning on your own, and figuring out large, unfamiliar codebases without external support.
• Ownership: You are ready to take full responsibility for the core part of the system.
• Assertiveness: You can clearly communicate your technical vision and demonstrate your project understanding effectively.

PROJECT

Customer: Global company based in the US, serving large international clients.
Type: Fintech / trading platform
Product: A live, high-performance market order and trading system designed as an exchange for energy commodities. The platform connects global buyers and sellers of specialized commodities, providing trading, data insights, and market infrastructure used by large enterprises, financial institutions, and government agencies.
Market: Global — primarily US and European markets, serving corporations, financial institutions, and governments across multiple regions.
Stage: Existing, established platform. The Markets Engineering team is expanding internationally.
Project team: C++ and UI developers (team of 4-6), reporting to a Lead C++ Engineer. [confirm exact composition with HM]
Technical stack: Modern C++ (17/20/23), Linux/POSIX, CMake, vcpkg, Git, ZeroMQ, shared memory, TCP/UDP sockets; Svelte, TypeScript, kdb+, Redis, Qt (adjacent/nice to have)
Work schedule: Full-time working day, fully remote.

Key achievements:

• Large international customer with a portfolio of large international clients
• Real opportunity to set the direction for a mature product
• Intro call with recruiter
• Technical interview (TechMagic)
• Interview with Hiring manager
• Client interview

OUR BENEFITS:

• Projects with modern JS stack (React.js, React Native, Angular, Node.js)
• Work from anywhere (fully remotely or in our office)
• One of the best IT employers in Lviv (or IT service companies in Ukraine) based on DOU rating

*Some elements of our recruitment process are supported by AI tools, while all candidate evaluations remain the responsibility of our recruitment team