Middle/Senior Python Developer Job at Sigma Software Group

Middle/Senior Python Developer

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

Advanced knowledge of Python and Software Engineering Principles
Strong familiarity with REST API backend development
Experience with Docker, and microservices architecture
Experience with cloud platforms like AWS, Google Cloud, or Azure
Experience in good documentation practices for software systems
Conversation English level, enabling effective communication with clients and team members

Job Responsibility

Design and develop robust and scalable backend services using Python frameworks (e.g., Flask, Django) and microservices architecture
Implement and maintain RESTful APIs to expose data and services to frontend applications and other systems
Collaborate with data engineers and scientists to design and implement data pipelines and ETL processes using tools like Kafka and SQL databases
Leverage cloud platforms (AWS, GCP, Azure) to deploy and manage infrastructure and applications
Contribute to the development and maintenance of data catalogs and data mesh architectures to improve data accessibility and governance
Write clear and concise documentation for APIs, services, and systems to facilitate understanding and maintenance

Java Backend Developer (Middle/Senior)

ABOUT THE JOB Design, implement, and maintain scalable backend services using J...

Location

Vietnam , Ho Chi Minh City

Salary:

Not provided

Amaris Consulting

Expiration Date

Until further notice

Requirements

Bachelor's Degree in Computer Science, Software Engineering, or related field
Minimum 3 years of professional experience designing and developing complex backend applications, with a strong background in Java and proficiency or knowledge in Python
Hands-on experience with Apache Kafka or similar technologies, and a solid understanding of event-driven architectures
Experience or strong theoretical background in Knowledge Graphs, SPARQL, GraphQL, and RML
Good communication in English
Understanding of APIs and architectures of tools such as Jira, Codebeamer, or IBM ETM is a plus
Experience with generative AI tools or an interest in Large Language Models (LLMs) is a plus
You demonstrate strong problem-solving skills and a sense of ownership, with the ability to independently address complex technical challenges and deliver robust solutions
Excellent communication skills and thrive in collaborative, agile, and globally distributed teams.

Job Responsibility

Design, implement, and maintain scalable backend services using Java and Python to support graph platform and integrate with systems such as Jira, Codebeamer, and Splunk
Develop and optimize high-performance data pipelines leveraging Apache Kafka, ensuring reliable and real-time data streaming across the tool ecosystem
Apply expertise in SPARQL, GraphQL, and RML to build advanced data models, mappings, and APIs, transforming diverse data sources into a unified, tool-agnostic ontology
Collaborate closely with international development teams and stakeholders to gather requirements, design innovative features, and deliver solutions aligned with business objectives
Participate in peer code reviews, maintaining high standards of code quality, and assume end-to-end responsibility for the maintenance and support of developed solutions.

What we offer

Competitive salary and 13th-month salary
14+ annual leaves per year
Premium healthcare insurance, starting from your probation period
Project reviews and yearly performance appraisals
Annual company trip
Teambuilding activities: Team lunch/dinner, events, and celebrations, sports clubs (football, basketball, badminton, pickleball)
International team with flexible working time
Tailor-made career path
Technical workshops and training courses
Mobility: Opportunities to be on-site abroad in our offices in over 60+ countries

Fulltime

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

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 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

Mobile Associate, Store-in-Store, Retail Sales

Mobile Associates, Store-in-Store are an integral part of the Retail Team respon...

Location

United States , Middleton

Salary:

18.00 - 20.00 USD / Hour

T-Mobile

Expiration Date

Until further notice

Requirements

High School Diploma/GED (Required)
6 months of customer service and/or sales experience, Retail environment preferred (Preferred)
Coaching (Required)
Communication (Required)
Consultative Selling (Required)
Customer Communications (Required)
Customer Education (Required)
Customer Engagement (Required)
Customer Needs Identification (Required)
Customer Referrals (Required)

Job Responsibility

Proactively engages with a broad range of customers in a highly-traffic retail environment. You will use digital tools, communicate effectively, educate customers, and showcase the value of T-Mobile solutions
As a Mobile Associate, you will consistently leverage digital self-serve tools during customer interactions and the onboarding process. You will identify customer needs and use solution-based selling techniques to fully demonstrate the value of T-Mobile products and services. By recommending wireless solutions, and an onboarding solution centric to helping customers understand how to self-serve and utilize the T-Mobile app for wireless needs, you will deepen relationships with customers and ensure their satisfaction
Complete training on the T-Mobile in-store experience, new skills, products and processes, and knowledge of systems and reference resources. Review your personal results, current promotions, and updates on the Hub to be Customer Ready at all times. You will continuously learn and improve your skills to provide the best possible experience for our customers. Partner with nearby store locations to properly/fully on-board customers. Will perform skills practicing, knowledge sharing, store operations, opening and closing procedures. As part of these procedures, you will carry keys to the kiosk cabinets, lock/secure kiosk and assets, and report any lost keys or assets to your manager
Customer obsessed. You are passionate, friendly, and engaging with customers. You are able to connect on a personal level, match the pace of the customer, build rapport, trust, and loyalty with every interaction. You are committed to providing exceptional service, and to exceeding customer expectations. You will proactively reach out to potential customers to further drive sales activity in your location. You are able to follow up with customers, capture referrals, manage Be Back processes, and build relationships with new and existing customers. As part of your role, you will have the ability to perform price overrides for our specialty offers specific to National Retail
Builds relationships with nearby leadership and teams to help support the customer experience from account set up, to device support and account servicing

What we offer

Annual Stock Grant
medical, dental and vision insurance
flexible spending account
401(k)
employee stock grants
employee stock purchase plan
paid time off and up to 12 paid holidays
paid parental and family leave
family building benefits
back-up care

Parttime

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Middle/Senior Python Developer

Job Description

Requirements

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