SENIOR C++ SOFTWARE PERFORMANCE ENGINEER (HYBRID)

SENIOR C++ SOFTWARE PERFORMANCE ENGINEER (HYBRID PORTUGAL)

iTRecruiterhires for hybrid position

Location:

Porto/Gaia, Lisbon or Fundão, Portugal

Work Model: Hybrid – 2 days per week onsite

Remote possibility: Dependingon the candidate's technical profile and level of expertise, fully remote candidates based in Portugal mayalso be considered.

Only candidates already based in Portugal willbe considered.

Language Requirements :English B2+ / Professional Working Proficiency – Mandatory

Seniority: 3+ years preferred

Candidates with less than 3years of experience may still be considered if they demonstrate strong expertise across all mandatory technicalrequirements.

Hiring Model:

B2B

Rate Between €3200 / 3600 – RV or Unipessoal

Build Faster Systems. SolveDeeper Problems. Work at Architecture Level.

We are looking for a Senior C++ SoftwarePerformance Engineer to join a highly specialized engineeringteam working on the performance optimization of a large-scale in-memorydatabase and data management platform.

This is an opportunity for engineers who enjoy goingbeyond application development and diving deep into CPUarchitecture, profiling, debugging, algorithms, memory behaviour and low-levelperformance optimization.

You will investigate complex performance issues, identify bottlenecks,compare different hardware architectures and develop proof-of-conceptoptimizations that can have a direct impact on the performance ofmission-critical database technology.

What You’ll Be Working On

As a Software Performance Engineer, you will investigateand optimize the performance of a complex, high-performance databaseenvironment running across different processor architectures.

Your responsibilities will include:

Performing exploratory performance analysis and root causeinvestigation

Identifying Intel x86-specific optimizationopportunities

Analysing CPU-levelperformance bottlenecks

Comparing performanceresults across different hardware platforms

Using profiling tools toinvestigate complex performance issues

Developing proof-of-concept (PoC) C++ code changes

Building and extendinginternal performance analysis tools

Working with datastructures, algorithms and software architecture to improve efficiency

Collaborating closely withhighly specialized engineering and hardware teams

Mandatory Requirements

Therequirements below are mandatory and eliminatory. Candidates who do notdemonstrate these skills will not be considered for the position.

You must have:

Strong C++ programming skills

Excellent knowledge of Intel x86architecture and its specific characteristics

Proven experience with software performance analysis andoptimization

Hands-on experience usingprofiling tools such as Linuxperf and/or Intel VTune

Strong ability to analyse, troubleshoot and debug complextechnical problems

Solid knowledge of data structures and algorithms

Good understanding of software design principles

English B2+ or higher,with professional written and verbal communication skills

Availability to work underthe proposed model, unless approved for a fully remote arrangement

Nice to Have /Differentiators

These skills are not mandatory, but they will strengthenyour application:

Knowledge of RDBMS / relational database systems

Experience with in-memory databases

Experience with the aarch64 / ARM64 architecture

Python programmingexperience

Experience comparingperformance across different processor architectures

Background in low-level systems programming

Experience investigatingCPU, memory or concurrency-related performance bottlenecks

Experience developinginternal profiling, benchmarking or performance analysis tools

The Profile We’re LookingFor

This role is particularly suited to an engineer who isnaturally curious about why software behaves the way it does atmachine level.

You are comfortable moving between C++ code, profilingresults, CPU architecture, algorithms and system behaviour. Instead of simplyfixing symptoms, you enjoy finding the actual root cause ofperformance problems.

You should also be comfortable working in a highlytechnical environment where experimentation, benchmarking, debugging andproof-of-concept development are part of everyday engineering.

5 Questions to Ask YourselfBefore Applying

Before submitting your CV, ask yourself:

Do I have solid professional C++development experience?

Do I genuinely understand Intel x86architecture beyond general software development?

Have I used profiling tools such as perfor VTune to investigate real performance problems?

Am I comfortable analysing complexperformance issues involving algorithms, CPU behaviour and softwarearchitecture?

Can I communicate effectively in Englishat B2+ level in an international technical environment?

If your answer is yesto all five, your profile may be an excellent match for thisopportunity.

CV Keywords

C++, C++ Development, Software Performance Engineering, PerformanceOptimization, Performance Analysis, Intel x86, x86 Architecture, CPUArchitecture, Linux perf, perf, Intel VTune, VTune, Profiling, PerformanceProfiling, Root Cause Analysis, Debugging, Data Structures, Algorithms,Software Design, Systems Programming, Benchmarking, PoC, Proof of Concept,RDBMS, Relational Databases, In-Memory Database, aarch64, ARM64, Python, CPUPerformance, Memory Performance, English B2+

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