SoftSwiss

Backend Software Engineer (Go)

Data Protection Officer

Business Development Manager (LatAm)

Data Protection Officer – Middle

PSP Integrations Manager – Middle

PSP Support Agent – Junior

Head of Engineering

Retention Specialist - Junior

Business Account Manager

SOFTSWISS is seeking a skilled and driven Go Engineer to join the FinteqHub Team. This role involves taking ownership of developing and scaling high-performance, reliable microservices in Go. The engineer will be an integral part of the team, driving product development and integration by resolving technical issues, automating routine processes, ensuring high code quality, collaborating across teams, and maintaining clear, comprehensive documentation. FinteqHub is a PCI DSS certified payment gateway for online businesses.

Backend Software Engineer (Go) - Senior

<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Overview:</h2><p class="my-4 text-gray-700 leading-relaxed">SOFTSWISS is hiring a Go Engineer to join our FinteqHub Team. We are looking for a skilled and driven Engineer to take ownership of developing and scaling high-performance, reliable microservices in Go.</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">About Product:</h2><p class="my-4 text-gray-700 leading-relaxed"><strong>Finteqhub</strong></p><p class="my-4 text-gray-700 leading-relaxed">А PCI DSS certified payment gateway for online businesses, providing integration with payment systems via a single software platform</p><p class="my-4 text-gray-700 leading-relaxed"><a href="https://finteqhub.com/" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Learn more</a></p><p class="my-4 text-gray-700 leading-relaxed">Find other products <a href="https://confluence.softswiss.com/display/HR/SOFTSWISS+Job+Ad+Constructor+Template" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">here</a></p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Purpose of the Role:</h2><p class="my-4 text-gray-700 leading-relaxed">You will be an integral part of the team, driving product development and integration by resolving technical issues, automating routine processes, ensuring high code quality, collaborating across teams, and maintaining clear, comprehensive documentation.</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Key Responsibilities:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Working in a team on setups, integrations, and customer support</li><li class="leading-relaxed">Configuration, bug fixing, investigation, and problem analysis, automation of routine processes</li><li class="leading-relaxed">Participation in improving product quality</li><li class="leading-relaxed">Participation in code review, backlog grooming, and retro</li><li class="leading-relaxed">Collaboration with other teams</li><li class="leading-relaxed">Documenting your own code</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Required Experience:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">3+ years of professional software development experience</li><li class="leading-relaxed">2+ years of experience with Go as the primary language</li><li class="leading-relaxed">Good understanding of Go’s architecture: data structures, multithreading, memory usage, garbage collection, etc</li><li class="leading-relaxed">Experience with relational databases, ability to write and optimise complex SQL queries</li><li class="leading-relaxed">Good knowledge of Linux and understanding of containerization (Docker)</li><li class="leading-relaxed">Ability to write testable code and unit tests for it</li><li class="leading-relaxed">Experience with Kafka and Kubernetes</li><li class="leading-relaxed">Proficiency in Russian and English at Upper-Intermediate level or higher</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Nice to Have:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Experience working in the gambling/betting industry</li><li class="leading-relaxed">Experience writing applications in finance or other fields where data integrity is crucial</li><li class="leading-relaxed">Understanding of distributed applications and microservices architecture</li><li class="leading-relaxed">Familiarity with one or more modern approaches to back-end application design (DDD, Clean architecture, Hexagonal architecture, etc.)</li><li class="leading-relaxed">Familiarity with OLTP (PostgreSQL) and OLAP</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Our Benefits:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Full-time remote work opportunities and flexible working hours</li><li class="leading-relaxed">Private insurance</li><li class="leading-relaxed">An additional 1 Day Off per calendar year</li><li class="leading-relaxed">Sports program compensation</li><li class="leading-relaxed">Comprehensive Mental Health Programme</li><li class="leading-relaxed">Free online English lessons with a native speaker</li><li class="leading-relaxed">Generous referral program</li><li class="leading-relaxed">Training, internal workshops, and participation in international professional conferences and corporate events.</li></ul><p class="my-4 text-gray-700 leading-relaxed">Department</p><p class="my-4 text-gray-700 leading-relaxed">FinteqHub</p><p class="my-4 text-gray-700 leading-relaxed">Role</p><p class="my-4 text-gray-700 leading-relaxed">Golang Developer - FinteqHub</p><p class="my-4 text-gray-700 leading-relaxed">Locations</p><p class="my-4 text-gray-700 leading-relaxed">Poznań, Poland, Warszawa, Poland, Belgrade, Serbia</p><p class="my-4 text-gray-700 leading-relaxed">Remote status</p><p class="my-4 text-gray-700 leading-relaxed">Fully Remote</p><p class="my-4 text-gray-700 leading-relaxed">Employment type</p><p class="my-4 text-gray-700 leading-relaxed">Full-time</p>

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LMArena

Senior Data Scientist

Finster

AI Engineer NYC

Back-End Engineer - Go

Back-End Engineer - Go London

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Anthropic

Startup Account Executive, French

Startup Account Executive, UKI

Account Executive, Mid Market, German

As a Senior Data Scientist at LMArena, you will explore and analyze large, complex datasets from millions of AI evaluations to uncover patterns, biases, and causal relationships in model behavior. You will formulate hypotheses, design experiments, and build statistical frameworks using Python, Pandas, NumPy, and Spark. Collaborating with ML researchers and engineers, you will improve the reliability and interpretability of AI evaluation systems, contributing to the advancement of AI.

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Senior Software Engineer, Full Stack

Senior Brand Designer

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DevOps Engineer, Site Reliability Engineering (SRE)

Senior Software Engineer, Data Infrastructure

Engineering Manager

Enterprise Engineer

<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About LMArena</h3><p class="my-4 text-gray-700 leading-relaxed">LMArena is the open platform for evaluating how AI models perform in the real world. Created by researchers from UC Berkeley’s SkyLab, our mission is to measure and advance the frontier of AI.</p><p class="my-4 text-gray-700 leading-relaxed">Millions of people use LMArena each month to explore how frontier systems perform — and we use our community’s feedback to build transparent, rigorous, and human-centered model evaluations. Leading enterprises and AI labs rely on our evaluations to understand real-world reliability, alignment, and impact. Our leaderboards are the gold standard for AI performance — trusted by leaders across the AI community and shaping the global conversation on model reliability and progress.</p><p class="my-4 text-gray-700 leading-relaxed">We’re a team of researchers, engineers, academics, and builders from places like UC Berkeley, Google, Stanford, DeepMind, and Discord. We seek truth, move fast, and value craftsmanship, curiosity, and impact over hierarchy. We’re building a company where thoughtful, curious people from all backgrounds can do their best work. Everyone on our team is a deep expert in their field — our office radiates excellence, energy, and focus.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About the Role</h3><p class="my-4 text-gray-700 leading-relaxed">As a Senior Data Scientist you’ll explore and reason about the data that powers millions of AI evaluations each week. You’ll generate and test hypotheses, identify causal relationships, and uncover insights that help us understand how frontier models behave in the real world.</p><p class="my-4 text-gray-700 leading-relaxed">You’ll collaborate with ML researchers and engineers to design experiments, analyze large-scale datasets, and build statistical frameworks that improve the reliability and interpretability of our AI evaluation systems.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">You’ll</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Explore and analyze large, complex datasets to uncover patterns, biases, and causal relationships in model behavior and system performance.</li><li class="leading-relaxed">Formulate hypotheses about data quality, evaluation outcomes, and model performance — then design experiments to validate or refute them.</li><li class="leading-relaxed">Build reproducible analysis pipelines using Python, Pandas, NumPy, and Spark to process and interrogate large-scale data.</li><li class="leading-relaxed">Partner with ML researchers and engineers to design metrics and analyses that evaluate how models perform across domains, prompts, and tasks.</li><li class="leading-relaxed">Develop causal reasoning frameworks and statistical methods that help explain why models behave as they do — not just how well they perform.</li><li class="leading-relaxed">Communicate insights clearly to technical and non-technical partners, informing both research direction and infrastructure improvements.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">You’ll have</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">6+ years of experience in data science, ML analytics, or applied research, preferably in AI, ML, or large-scale data environments.</li><li class="leading-relaxed">Strong proficiency in Python, with deep experience in Pandas, NumPy, and distributed frameworks like Spark.</li><li class="leading-relaxed">Expertise in statistical modeling, causal inference, and experimental design.</li><li class="leading-relaxed">Experience reasoning about data distributions, sample quality, and the effects of data distribution shifts.</li><li class="leading-relaxed">Strong communication skills and the ability to collaborate closely with ML researchers and engineers.</li><li class="leading-relaxed">(Bonus) Background in AI model evaluation.</li><li class="leading-relaxed">(Bonus) Experience working with LLM outputs, embeddings, or other large-scale model artifacts.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What we offer</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">The cash compensation for this position has not yet been finalized. Actual compensation will depend on job-related knowledge, skills, experience, and candidate location.</li><li class="leading-relaxed">Competitive salary and meaningful equity</li><li class="leading-relaxed">Comprehensive healthcare coverage (medical, dental, vision)</li><li class="leading-relaxed">The opportunity to work on cutting-edge AI with a small, mission-driven team</li><li class="leading-relaxed">A culture that values transparency, trust, and community impact</li></ul><p class="my-4 text-gray-700 leading-relaxed">Come help build the space where anyone can explore and help shape the future of AI.</p>

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.