Middle/Senior Python Developer Job at CHI Software

Middle/senior AI, ML Engineer

Join us at Provectus to be a part of a team that is dedicated to building cuttin...

Location

Salary:

Not provided

Provectus

Expiration Date

Until further notice

Requirements

Comfortable with standard ML algorithms and underlying math
Strong hands-on experience with LLMs in production, RAG architecture, and agentic systems
AWS Bedrock experience strongly preferred
Practical experience with solving classification and regression tasks in general, feature engineering
Practical experience with ML models in production
Practical experience with one or more use cases from the following: NLP, LLMs, and Recommendation engines
Solid software engineering skills (i.e., ability to produce well-structured modules, not only notebook scripts)
Python expertise, Docker
English level - strong Intermediate
Excellent communication and problem-solving skills

Job Responsibility

Create ML models from scratch or improve existing models
Collaborate with the engineering team, data scientists, and product managers on production models
Develop experimentation roadmap
Set up a reproducible experimentation environment and maintain experimentation pipelines
Monitor and maintain ML models in production to ensure optimal performance
Write clear and comprehensive documentation for ML models, processes, and pipelines
Stay updated with the latest developments in ML and AI and propose innovative solutions

Middle/Senior Computer Vision Engineer

The CHI Software team is not standing still. We love our job and give it one hun...

Location

Salary:

Not provided

CHI Software

Expiration Date

Until further notice

Requirements

MS/PhD degree in Computer Science or related field
Upper-Intermediate level of English is mandatory
3+ years experience in Computer Vision / Machine Learning
Understanding of state-of-the-art CV approaches
Proficiency in Python, including expertise in key CV / DL libraries such as OpenCV, TensorFlow, PyTorch, Keras etc.
Experience with some of the well-known neural networks architectures such as YOLO, MobileNet, U-Net, R-CNN-based architectures etc.
Experience with Git, Docker, Linux

Job Responsibility

Actively contribute to the development of the company’s research and pre-sales activities
Contribute to new ideas for implementation within the R&D center
Join ongoing projects
Tasks related to: Sensor fusion
Deep fake
Image generation
3D Reconstruction

What we offer

Use the latest technologies
Participate in technical events and conferences (the cost is covered by the company)
Regular techtalks and professional development
Build strong teamwork skills and become an essential part of dynamic teams
Improve your English in classes and speaking directly with clients
Increase your productivity and communication level via Scrum, Kanban, and Agile methodologies

Middle/Senior Python Developer

In this role, you will contribute to a long-term international project, developi...

Location

Salary:

Not provided

Sigma Software Group

Expiration Date

Until further notice

Requirements

Python (Flask/Django/FastAPI) / strong
Microservices/Serverless architecture / strong
Cloud (AWS/public cloud deployment) / strong
REST APIs/Frontend-backend integration / strong
Databases (SQL/NoSQL) / strong

What we offer

Diversity of Domains & Businesses
Variety of technology
Health & Legal support
Active professional community
Continuous education and growing
Flexible schedule
Remote work
Outstanding offices (if you choose it)
Sports and community activities

AI Agent Middle/Senior Developer

We are looking for a skilled AI Agent Developer to join our AI team. You should ...

Location

Poland

Salary:

Not provided

Itransition

Expiration Date

Until further notice

Requirements

Strong Python skills and proven production experience with Agentic ecosystems
Embeddings & Vector search
Prompt & Context engineering
RAG, CRAG, GraphRAG
LangChain, LangGraph, CrewAI
Agent's testing & verification
Agentic Tools and skills
AI-assisted coding models & tools
Strong analytical and problem-solving mindset
Ability to clearly communicate findings and trade-offs

Job Responsibility

Develop, implement, and optimize AI agents capable of autonomous decision‑making, reasoning, and tool‑usage in real‑world scenarios
Build and maintain pipelines for agent planning, memory, retrieval, and multi‑step task execution
Integrate LLMs, vector stores, APIs, and external tools to enable complex agent behaviors
Design and refine prompting strategies, reasoning chains, and agent policies to improve reliability and accuracy
Implement evaluation frameworks for agent performance, safety, and robustness across diverse tasks
Monitor agent behavior in production, troubleshoot failures, and continuously improve quality of outputs
Optimize inference pipelines for speed, cost efficiency, and model/tool selection

What we offer

Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota
Competitive compensation that depends on your qualification and skills
Career development system with clear skill qualifications
Flexible working hours aligned to your schedule
Options to work remotely

AI Middle/Senior Developer (Computer vision)

Looking for a talented AI developer who is eager to work in the computer vision ...

Location

Poland

Salary:

Not provided

Itransition

Expiration Date

Until further notice

Requirements

At least 2+ years of relevant experience in a position of AI engineer with focus on computer vision
Good theoretical background in mathematics, algorithms and data structures, applied statistics
Good knowledge of Python and AI-relevant frameworks
Hand-on experience with Git, Docker and GPU computing
Knowledge of “top architectures” for classic computer vision tasks such as detection, classification, segmentation, etc.
Experience with annotation tools (CVAT, Label Studio) and dataset quality management
Ability to conduct independent R&D: reading Arxiv/CVPR papers, analyzing third-party code, and implementing SOTA approaches
The ability to work independently with minimal supervision, as well as thrive in a collaborative team environment
English skills should be sufficient for taking part in conversations on the technical aspects of projects

Job Responsibility

Design, implementation and further improvement of new and existing AI-based projects
Evaluation of alternative models and approaches to meet product requirements
Presentations to customers results of work as well as solution architecture
Executing R&D work with results documentation and presentation
Coach and mentor junior team members

What we offer

Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota
Competitive compensation that depends on your qualification and skills
Career development system with clear skill qualifications
Flexible working hours aligned to your schedule
Options to work remotely

Fulltime

ML Middle/Senior Engineer (Trading)

We are looking for a Machine Learning Researcher to design, develop, and evaluat...

Location

Poland

Salary:

Not provided

Itransition

Expiration Date

Until further notice

Requirements

3+ years of relevant experience
Strong Python skills and experience with ML ecosystems (AWS Sagemaker, MLFlow)
Hands-on experience working with tabular/time series data with usage of ML
Solid understanding of machine learning fundamentals: Supervised learning, feature engineering, model evaluation
Overfitting, regularization, cross-validation
Knowledge of statistical methods and probability theory
Experience with experiment design and offline evaluation
Ability to work with large datasets and build efficient data processing pipelines
Familiarity with SQL and data querying
Strong analytical and problem-solving mindset

Job Responsibility

Develop and validate machine learning models for financial time series and cross-sectional data
Conduct research on alpha signals, feature engineering, and predictive modelling techniques
Design experiments and backtesting frameworks with proper statistical rigor
Work with large-scale structured and unstructured financial datasets
Collaborate with engineering teams to deploy models into production pipelines
Analyze model performance, stability, and robustness under changing market conditions
Improve data pipelines, labeling strategies, and evaluation methodologies

What we offer

Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota
Competitive compensation that depends on your qualification and skills
Career development system with clear skill qualifications
Flexible working hours aligned to your schedule
Options to work remotely

New

Vice President, Product Management - Open Finance Strategy

The VP, Open Finance Strategy will be responsible for owning and driving Masterc...

Location

United States of America , Purchase

Salary:

235000.00 - 375000.00 USD / Year

Mastercard

Expiration Date

Until further notice

Requirements

Bachelor's degree required
Deep knowledge of Open Finance, open banking, and/or financial services required
familiarity with regulatory frameworks (e.g., PSD2, CDR, Section 1033) strongly preferred
Significant professional experience across strategy consulting and/or internal strategy roles, with proven project or workstream leadership experience
Exemplary analytical and problem-solving skills and business acumen
seasoned in identifying the most critical aspects of a problem and handling ambiguity
Demonstrated ability to lead company-wide, complex projects from start to finish, effectively driving forward project plans and leveraging stakeholder management and influencing skills
Experience managing a team, and influencing teammates towards an objective
Exceptional verbal and written communication skills, with the ability to develop high-quality presentations and memos independently
Ability to structure ambiguous problems and break down complex asks into tangible steps

Job Responsibility

Drive high-impact Open Finance strategic initiatives from conceptualization and problem structuring through to delivering actionable recommendations based on rigorous analysis and research
Develop and articulate compelling strategic narratives for Open Finance, crafting impactful presentations and memos to inform and influence senior executives across Mastercard
Proactively identify and analyze critical industry shifts and competitive dynamics — including in A2A payments, data sharing regulation, and embedded finance — translating insights into strategic implications and opportunities for Mastercard's Open Finance division
Partner with and advise product owners across the business, guiding strategic insight generation, robust business case development, and the identification of new growth avenues to accelerate their objectives
Originate and champion innovative growth strategies for Open Finance, leveraging deep market understanding and competitive intelligence to define new pathways for expansion across key geographies and verticals
Provide strategic oversight for key operational functions, including quarterly business reviews, KPI framework development, planning processes, and proactive risk management
Mentor and develop junior team members, fostering a culture of high performance, strategic thinking, and continuous learning within the team

What we offer

insurance (including medical, prescription drug, dental, vision, disability, life insurance)
flexible spending account and health savings account
paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave)
80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire
10 annual paid U.S. observed holidays
401k with a best-in-class company match
deferred compensation for eligible roles
fitness reimbursement or on-site fitness facilities
eligibility for tuition reimbursement

Fulltime

New

Technology Audit & Advisory Senior Manager

Step into a leadership role with a dynamic and collaborative professional servic...

Location

United States , Tysons Corner

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Bachelor's degree in Accounting, Finance, Information Technology, Cybersecurity, or a related field
5+ years of experience in technology audit, assurance, consulting, or relevant risk/control programs in professional services or industry
Strong understanding of IT audit methodologies, internal control frameworks (such as COBIT, NIST, ISO 27001, CIS, ITIL), and SOX technology requirements
Solid proficiency with Microsoft Word, Excel, PowerPoint
familiarity with Visio and Access a plus
Experience with tools such as Power BI, Tableau, Alteryx, SQL, Python, or RPA is a plus
Professional certifications like CIA, CISA, CISM, CISSP, or similar are strongly preferred

Job Responsibility

Advise clients on how to manage risks inherent in their technology environments, helping them protect and drive enterprise value
Apply a forward-thinking approach by leveraging analytics, automation, AI, and other emerging tools and technologies
Develop your skills in the latest tech innovations, including AI-driven solutions, data governance, cloud, cybersecurity, and more
Identify technology-related risks and opportunities for increased efficiency and performance
Lead by example, fostering open communication, positive team culture, and creating professional development opportunities
Supervise, mentor, and coach Consultants and Senior Consultants as you guide the completion of projects
Maintain and grow professional relationships, representing the organization in the market and assisting with business development and proposal preparation

What we offer

medical
vision
dental
life and disability insurance
401(k) plan

Fulltime

Middle/Senior Python Developer

CHI Software

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 07, 2025

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