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Options and other stuff

@hunt4quant

Hi, I'm Lydia!

A professional in the field of risks in financial markets, visiting lecturer at the HSE, researcher, author of educational courses.

Here I publish resources useful for studying derivatives and financial crimes.
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Recent Posts 20 shown
Post #436 189
Job opportunity at Sber

Middle-Senior DS / ML Engineer — AI Safety & Guardrails

Локация: Москва, офис или гибрид

Ищем DS / ML Engineer, который будет заниматься безопасностью LLM-систем: проектировать guardrails, выстраивать evaluation-пайплайны, снижать риски галлюцинаций и небезопасных ответов, адаптировать модели под надежное и безопасное поведение.

Вы будете:
• проектировать и внедрять guardrails для LLM-систем
• защищать модели от prompt injection, jailbreaks, data poisoning, токсичных и небезопасных ответов
• разрабатывать подходы к контролю галлюцинаций: detectors, validation of outputs, quality gates
• адаптировать и дообучать LLM под безопасное поведение: Prompt Tuning, LoRA, SFT, GRPO
• анализировать результаты экспериментов и улучшать качество моделей на основе метрик
• выводить safety-механизмы в production: observability, мониторинг, latency/cost, rollbacks, reliability
• писать качественный Python-код и участвовать в архитектурных решениях ML-систем.

Мы ожидаем, что вы:
• имеете практический опыт с LLM, ML/DL и production ML-задачами
• понимаете, как устроены LLM: архитектура, токенизация, fine-tuning, batching, distributed training, дебаг экспериментов
• работали с evals, метриками качества, экспериментами и анализом ошибок моделей
• понимаете риски LLM-систем: hallucinations, prompt injection, jailbreaks, небезопасные ответы
• умеете писать чистый и поддерживаемый Python-код в рамках современных ML-проектов
• внимательно относитесь к деталям и умеете объяснять технические решения команде и бизнесу.

Будет плюсом, если вы:
• работали с Guardrails AI, NeMo Guardrails, Transformers, PyTorch Lightning, MLflow
• использовали Weights & Biases, MLflow, Langfuse или аналоги для экспериментов, evals и мониторинга
• оптимизировали inference и хостили модели в production: vLLM, ollama, llama.cpp
• участвовали в red teaming, security review или расследовании инцидентов с LLM/AI-системами
• делали open-source проекты, публикации или доклады по AI Safety / LLM Safety
• имеете Kaggle Expert+ или сопоставимые публичные достижения.

Мы предлагаем:
• комфортный современный офис
• офис/гибрид с посещением офиса от 2 дней в неделю
• ежегодный пересмотр зарплаты и годовую премию
• корпоративный спортзал и зоны отдыха
• 400+ образовательных программ для профессионального и карьерного развития
• ДМС, льготное страхование для семьи и корпоративную пенсионную программу
• гибкий дисконт по ипотечному кредиту, равный 1/3 ключевой ставки ЦБ
• бесплатную подписку СберПрайм+ и скидки на продукты компаний-партнеров.

Резюме присылайте на корп почту, пожалуйста. Корп почту даю в ЛС )) @observer84
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Post #435 540
Dear all!

A part time job for a tutor (in Russian)

Запрос на сильного репетитора - ВОСПИТАТЕЛЯ по математике и информатике. Молодой человек к юноше девятикласснику.

Школьник, 9 класс. 8 класс закончил на 3, по тестовому ОГЭ, по информатике 5, математике - алгебра 4, геометрия 3, русский 3.

Задача: выйти на твердое 5 по ОГЭ по этим 4 предметам.

Текущая школа - школа в онлайн формате.

Ученик на занятия настроен, но ему нужен кто-то кто мотивирует, контролирует. Вежливый, дружелюбный, но очень настойчивый в достижении целей.

Занятия 2-3 раза в неделю, преподаватель молодой человек, студент или аспирант.

По итогам успешной работы возможна премия. Время занятий обсуждается, территориально запад Москвы.
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Post #434 694
Our quantitative team is hiring either. We are looking for a Data Enginneer to support the reserch proces. An ideal candidate is in between Data person and Reserch person and intesred in close cooperation with the qunts team. You might be working with me at the very beginng. Jnuior - Middle role. Plese text me for details
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Post #433 633
LP_Middle (1).pdf415.4 KB
Dear all! My colleagues at Sber are hiring. This is a cool quant \ valuation role for middle or senior. Moscow based job.
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Post #432 860
Dear graduates of the Banking Institute,

Thank you for your support and for your feedback. Being recognized by you means a lot to me.

My y courses were not easy. I know I assign demanding homework and hold my students to high standards. I hope that now, as graduates, you understand why I always chose this approach.

Everything I do is driven by one goal: to ensure that the Banking Institute remains synonymous with academic excellence, and that, even in the age of AI, its diploma continues to stand for genuine achievement - something that cannot be earned without hard work, perseverance, and intellectual effort.

I have been working in education since 2002, and in February 2027 I will celebrate a milestone: 25 years in the profession. Looking back, I can say that I have never regretted choosing this path.

My wish for you is that you find your own path that brings you joy and inspiration. I wish you every success in your careers and in life. Congratulations once again, and thank you, dear graduates!
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Post #431 755
The Hong Kong Monetary Authority 😎
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Post #430 694
😎 I will be back soon and I hope we can have another course 😊
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Post #429 554
Good day, dear all! Market vibes from the HKEX (Hong Kong Exchange)
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Post #428 700
Options and other stuff Dear all! On May, 29th Friday I suggest to make a mock master thesis defence. Everyone is welcome! 10 minutes to present your thesis and 10 minutes to answer questions Use comments to the message to book a slot. We will start at 14:00 Moscow time PS Dear…
Dear all, this time we will be using the HSE official zoom.

We are starting at 14:00 , EVERYONE is welcome to join to listen to thesisis


Тема: встреча
Время: 29 мая 2026 14:00 Москва
Подключиться к конференции Zoom
https://us06web.zoom.us/j/83257199116?pwd=TcjlJXVhW14bmyBO5u9mKvb50MI8nf.1

Ссылка на чат конференции
https://us06web.zoom.us/launch/jc/83257199116

Идентификатор конференции: 832 5719 9116
Код доступа: 500099
Zoom Join our Cloud HD Video Meeting Zoom is the leader in modern enterprise cloud communications.
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Post #427 654
We are starting
Post #426 667
Options and other stuff Dear all! I’m happy to confirm my lecture on behavioral finance today. We will start with utility functions. 14:00 Moscow time, in Russian https://us02web.zoom.us/j/384956974?pwd=alBnYm43eHd5b1pkREtvWVh1NHpiQT09
Dear all! Dear all! I’m happy to confirm my lecture on behavioral finance today. We will continue with utility functions.

14:00 Moscow time, in Russian
Post #425 810
Dear all! On May, 29th Friday I suggest to make a mock master thesis defence. Everyone is welcome!

10 minutes to present your thesis and 10 minutes to answer questions

Use comments to the message to book a slot. We will start at 14:00 Moscow time

PS
Dear graduates from previous years, phd students and industry professionals, you are welcome to join us to ask questions.

PPS
Working languages are Russian and English.
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Post #424 758
Options and other stuff Dear all! I’m happy to confirm my lecture on behavioral finance today. We will start with utility functions. 14:00 Moscow time, in Russian https://us02web.zoom.us/j/384956974?pwd=alBnYm43eHd5b1pkREtvWVh1NHpiQT09
Dear all! See you at 14:00.Today(May, 15th) and, most likely, next Friday(May, 22nd), we will explore what books designed to prepare candidates for one of the most reputed exams in finance have to say about behavioral finance.
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Post #423 884

This post (sticker, poll or similar) has no web preview. Open in Telegram

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Post #422 785
Options and other stuff Dear all! I’m happy to confirm my lecture on behavioral finance today. We will start with utility functions. 14:00 Moscow time, in Russian https://us02web.zoom.us/j/384956974?pwd=alBnYm43eHd5b1pkREtvWVh1NHpiQT09
Dear all! See you today at 14:00. The link is the same. We will be discussing the bank run.
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Post #421 869
We are starting!
Post #420 919
Options and other stuff Dear all! I’m happy to confirm my lecture on behavioral finance today. We will start with utility functions. 14:00 Moscow time, in Russian https://us02web.zoom.us/j/384956974?pwd=alBnYm43eHd5b1pkREtvWVh1NHpiQT09
Dear all! As we have agreed last time the 2nd lecture will be held today at 14:00. The link is the same. See you! 😌
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Post #418 785
Dear all! To these of you who is working on real estate models. The article provides an overview of the most recent techniques used to predict prices.
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