Jobs

271
  • · 60 views · 4 applications · 3d

    Senior Python Developer

    Full Remote · Poland, Romania, Ukraine · 5 years of experience · B2 - Upper Intermediate
    We’re on the lookout for a passionate Senior Python Developer to join our client’s team in the cybersecurity space. If you love solving tough challenges, playing with state-of-the-art technologies, and shaping powerful cloud-based solutions, this is...

    We’re on the lookout for a passionate Senior Python Developer to join our client’s team in the cybersecurity space. 

    If you love solving tough challenges, playing with state-of-the-art technologies, and shaping powerful cloud-based solutions, this is your chance to make a real impact. You’ll work in a dynamic environment, alongside brilliant teammates, building innovative systems that help protect organizations from ever-evolving digital threats.

    About the project

    Since the amount of cyber threats and dark web sources is growing daily, products for their elimination are critically needed. Our partner, a high-tech software company from Israel, took on this challenge.
     

    They offer cyber threat intelligence (CTI) solutions for cybersecurity teams to reveal their most critical known and unknown digital risks earlier. The team develops its CTI & Attack SaaS platform to prevent, detect, investigate, and remediate phishing, fraud, data leaks, and external vulnerabilities.
     

    Clients are more than 100 companies worldwide, including Fortune 500 leaders, in financial, retail, gaming, entertainment and media industries.
     

    Responsibilities

    • Influence — take part in day-to-day discussions on the direction, design and architecture of our product
    • End-to-end development of software components, constantly re-inventing and improving our infrastructures and tech-stack to meet our scale expectations from an engineering standpoint
    • The ability to create technical designs for complex problems
    • Assist other team members with code and design reviews and provide constructive feedback
    • Be a part of a team of passionate, hardworking and super-professional Back End developers
    • Gain a deep, wide and solid understanding of the World Wide Web (Surface, Deep and Dark parts)
    • Improve and promote our innovative tech-stack — play and asses tools we should adopt.
    • Work in, out and around AWS
    • Work with an amazing group of colleagues and decision makers in various interfaces


    Requirements

    • 5+ years’ experience in developing complex backend systems
    • Proficiency in Python (production environment).
    • Demonstrated ability to produce high-performance, maintainable, and reusable code.
    • Knowledge in high-level design and architectural practices
    • Proficiency with cloud technologies and services, such as AWS (EC2, S3, Lambda, Streaming, EMR, EKS).
    • Experience with ElasticSearch, MongoDB, Redis, and relational DBs
    • Skilled in Kubernetes and Docker
    • Agile methodology practitioner
    • Experience in a Production SaaS environment
    • Knowledge in building web applications using FastAPI


    Tech Stack

    • SaaS Web Application
    • AWS cloud
    • Kubernetes & Microservices architecture
    • Databases — MySQL, Redis, MongoDB, Kafka
    • Monitoring tools — Prometheus, Grafana, Kibana, etc.
    • And other related technologies


    What we offer

    • Competitive salary and benefits package
    • Medical insurance
    • Top equipment kit
    • Full Remote
    • Collaborative and innovative work environment
    • Career growth and development opportunities
    • A chance to work with a talented and driven team of professional


     

    More
  • · 36 views · 5 applications · 2d

    Python Tech Lead

    Full Remote · Countries of Europe or Ukraine · 7 years of experience · B2 - Upper Intermediate
    About We are looking for an experienced Python FastAPI Tech Lead to drive the design, development, and architecture of our backend systems. You will lead a cross-functional engineering team, ensure high-quality code delivery, and shape the technical...

    About 
    We are looking for an experienced Python FastAPI Tech Lead to drive the design, development, and architecture of our backend systems. You will lead a cross-functional engineering team, ensure high-quality code delivery, and shape the technical direction of our platform.

     

    Responsibilities

    • Lead and mentor a team of backend engineers working with Python and FastAPI
    • Architect scalable, reliable, and high-performance backend services
    • Define coding standards, review pull requests, and ensure code quality
    • Collaborate closely with Product, DevOps, and Frontend teams
    • Implement best practices in API design, security, performance, and testing
    • Plan sprints, estimate tasks, and manage technical roadmaps
    • Troubleshoot and resolve complex technical challenges
    • Drive continuous improvement in development processes

       

    Requirements

    • 5+ years of professional experience with Python
    • 2+ years working with FastAPI in production
    • Demonstrated experience in technical leadership or team-lead positions
    • Strong understanding of microservices architecture
    • Experience with relational and NoSQL databases (PostgreSQL, MongoDB, etc.)
    • Proficiency with async programming in Python
    • Hands-on experience with CI/CD pipelines and Docker
    • Familiarity with cloud platforms (AWS, GCP, Azure)
    • Solid understanding of software design patterns and best practices
    • Excellent communication and leadership skills

       

    Nice-to-Have

    • Experience with Kubernetes
    • Knowledge of observability tools (Prometheus, Grafana, OpenTelemetry)
    • Background in high-load systems
    • Experience with event-driven architecture (Kafka, RabbitMQ)

     

    What We Offer

    • Competitive salary and performance bonuses
    • Flexible remote or hybrid work environment
    • Opportunities for professional growth and certifications
    • Friendly and collaborative team culture
    • Ownership of technical decisions and product impact
    More
  • · 52 views · 3 applications · 2d

    Tech Lead (Python / FastAPI) to $7000

    Full Remote · Countries of Europe or Ukraine · Product · 8 years of experience · C1 - Advanced
    We’re looking for an experienced Python Tech Lead to take ownership of the architecture and development of a high-scale, multi-tenant SaaS platform. This is a hands-on leadership role where you’ll guide a small engineering team, shape the system design,...

    We’re looking for an experienced Python Tech Lead to take ownership of the architecture and development of a high-scale, multi-tenant SaaS platform. This is a hands-on leadership role where you’ll guide a small engineering team, shape the system design, and contribute directly to the codebase.

    We need someone who can start ASAP.

     

    What You'll Do

    • Lead the engineering team and set the technical direction.
    • Architect and evolve a multi-tenant SaaS system built around Python + FastAPI.
    • Design and maintain microservices for large-scale, distributed environments.
    • Review code, enforce engineering best practices, ensure high-quality delivery.
    • Work closely with product/management to turn business needs into technical solutions.
    • Oversee performance, security, and scalability across services.

     

    What You Need

    -  8+ years in software development
    -  6+ years of strong Python experience
    -  2+ years leading engineering teams or acting as a Tech Lead
    -  Hands-on experience with FastAPI
    - Background in SaaS & multi-tenant architecture
    -  Solid understanding of microservices, distributed systems, system design
    -  Clean, testable coding style
    -  English C1
    - Ready to start immediately

     

    Nice to Have

    • React familiarity (not required)
    • Cloud experience (AWS / GCP / Azure)
    • CI/CD, Docker, Kubernetes, DevOps mindset
    • Security knowledge for SaaS environments

     

    Important

    We are not considering candidates whose primary background is Node.js/React with only light Python exposure. This role requires deep Python expertise.

    More
  • · 118 views · 36 applications · 1d

    Middle+ Full-Stack Engineer (Backend-Oriented)

    Full Remote · Worldwide · Product · 3 years of experience · B2 - Upper Intermediate
    About the project The product builds production-grade AI assistants for loan officers, processors, and underwriters. The platform ingests lender documents, classifies and extracts structured data, computes metrics/risk signals, and powers decisioning...

    About the project

    The product builds production-grade AI assistants for loan officers, processors, and underwriters. The platform ingests lender documents, classifies and extracts structured data, computes metrics/risk signals, and powers decisioning flows that integrate with existing LOS/CRM systems. Because downstream underwriting decisions depend on the correctness and reliability of backend systems, you will be responsible for building systems where data integrity, security, explainability and uptime directly affect business risk and revenue. You'll work with AI pipelines (LangChain, DSPy), Python services, and a TypeScript core to deliver scalable, auditable features used by enterprise lenders.

     

    Conditions

    Involvement: Long-term (3+years) full-time

    Team structure: 4 engineers + Tech Lead

    Locations: Lisbon (Tech Lead), Slovenia/Slovakia, USA

    Stack: Python, Typescript, Next.js, PostgreSQL, AWS, RabbitMQ, Temporal, LangChain, N8N

     

     

    Key responsibilities

    - Design, build and operate backend services powering document ingestion, validation, extraction, and underwriting decisioning.

    - Implement and evolve business logic that encodes underwriting rules, exception handling, and scoring pipelines.

    - Build and maintain data pipelines (ETL/ELT) for document classification and parameter extraction that integrate with LangChain/DSPy Python components.

    - Create robust service integrations between Python AI microservices and the TypeScript/Node.js platform (queues, APIs, events).

    - Ensure PostgreSQL schema design, indexing, query optimization and data integrity to support complex analyses and audits.

    - Collaborate daily with AI engineers, product, and QA to ship iterative releases and support customer pilots and enterprise integrations.

     

    Must-have skills & experience

    - 3+ years commercial backend engineering experience; demonstrable track record of production systems

    - Python proficiency: building AI/ML microservices, data pipelines, or backend tools

    - Strong in TypeScript / Node.js / Next.js

    - Deep experience with PostgreSQL: data modeling, schema migrations, performance tuning and complex queries

    - Practical experience with AWS

    - Experience integrating message queues and event-driven systems (RabbitMQ or equivalent)

    - Direct experience with LangChain, DSPy, prompt pipelines, or LLM orchestration.

    - Strong understanding of CI/CD, automated testing, and delivery pipelines

    - Proven ability to read, understand, refactor, and improve other people’s code, not just “vibe-coding"

     

    Nice-to-have

    - Background in fintech / lending / credit risk or building decisioning engines/business rules

    - Experience with OCR/NLP pipelines, document understanding, or leveraging OCR libraries.

     

    Interview & hiring process

    - Pre-Screening - 15 min meeting

    - Short Intro Call (with tech lead) - up to 30m to present the product and set expectations

    - Take-home Case Study - real-world task (expected 2–4 hours)

    - Technical Interview (up to 90 minutes) - architecture discussion

    - Final Call with founders&leadership - product fit, long-term commitment, offer.

    More
  • · 50 views · 4 applications · 1d

    Senior Backend Engineer — Python(Long-term contract)

    Full Remote · Ukraine · Product · 5 years of experience · B2 - Upper Intermediate
    A technology-driven environment focused on building innovative, high-performance systems for large-scale data processing and machine-learning applications is seeking an experienced Senior Backend Engineer with strong Python expertise. The role involves...

    A technology-driven environment focused on building innovative, high-performance systems for large-scale data processing and machine-learning applications is seeking an experienced Senior Backend Engineer with strong Python expertise. The role involves developing hybrid on-premises/cloud infrastructures capable of supporting industrial-scale workloads.

     

    Responsibilities

    • Design and develop hybrid systems (on-prem/cloud) that support large-scale Big Data and ML applications.
    • Build and maintain high-throughput backend services and data-processing pipelines.
    • Ensure reliability, scalability, and performance of distributed systems.

    Minimum Qualifications

    • B.Sc. in Computer Science from a recognized university.
    • 8+ years of experience in object-oriented software development in a production environment.
    • 5+ years of hands-on Python programming experience.
    • 5+ years of backend development experience.
    • 3+ years of experience working with databases such as Redis, PostgreSQL, Elasticsearch, etc.
    • Strong experience with modern CI/CD workflows and deployment automation.
    • Experience working with logging, metrics, and tracing systems.
    • Strong teamwork capabilities and the ability to work independently when required.
    • Ability to quickly learn and adopt new technologies.
    • Strong understanding of distributed systems and large-scale architectures.
    • Ability to lead and drive large software systems both across the stack and within the domain.

    Preferred Qualifications

    • M.Sc. in Computer Science.
    • Experience with cloud platforms: AWS, GCP, or Azure.
    • Experience building data ingestion, storage, and processing pipelines.
    • Experience deploying ML models at scale.
    • Experience with distributed computing platforms for high-scale and high-volume systems (Kubernetes preferred).
    • Familiarity with Nvidia tools and devices such as Jetson, DeepStream, TensorRT.
    More
  • · 57 views · 24 applications · 11h

    Python Backend Engineer

    Full Remote · Worldwide · Product · 2 years of experience · C1 - Advanced
    At SPG, we build autonomous security systems, real-time AI platforms, and smart dashboards used in industrial and large-scale environments. We are expanding our backend engineering team and looking for a strong Python Backend Engineer to work closely on...

    At SPG, we build autonomous security systems, real-time AI platforms, and smart dashboards used in industrial and large-scale environments. 

    We are expanding our backend engineering team and looking for a strong Python Backend Engineer to work closely on our platform services and dashboards.

     

    What You Will Work On

    • Building backend APIs (FastAPI or Django REST)
    • Designing platform architecture for dashboards & admin panels
    • Integrating real-time events, telemetry, and data streams
    • Working with PostgreSQL / Redis / ClickHouse
    • Creating clean, scalable backend services
    • Collaborating with frontend team to deliver dashboards
    • Supporting data pipelines and internal tools
    • Deploying and maintaining services (Docker)

       

    Requirements

    • Strong Python skills (must)
    • Experience with FastAPI or Django REST
    • Comfortable with SQL databases (PostgreSQL preferred)
    • Understanding of microservices / modular service design
    • Experience with Docker
    • Ability to write clean, maintainable, production-ready code
    • Good communication, responsibility, and engineer hygiene

       

    📩 How to Apply

    Please send:

    • Your CV
    • Links to GitHub or past projects
    • Your monthly salary expectation
    • Availability (full-time or part-time)
    More
  • · 40 views · 18 applications · 11h

    Senior Full-Stack Engineer (Python + TypeScript)

    Full Remote · Worldwide · Product · 5 years of experience · B2 - Upper Intermediate
    We are looking for a Senior Full-Stack Engineer who thrives in dynamic environments, enjoys solving complex technical challenges, and actively uses AI tools to accelerate development. You will be building high-performance backend services, real-time...

    We are looking for a Senior Full-Stack Engineer who thrives in dynamic environments, enjoys solving complex technical challenges, and actively uses AI tools to accelerate development.

    You will be building high-performance backend services, real-time frontend interfaces, and scalable infrastructure for an advanced AI-driven industrial automation platform.

    This role is ideal for an engineer who is comfortable working across the stack, enjoys shaping architecture, and wants to contribute to a product that bridges physical automation with modern software engineering.
     

    About the Product

    You will work on a next-generation platform that modernizes how industrial automation is built and managed.

    The product uses advanced AI to:

    • Translate plain English into fully defined automation logic
    • Generate coordinated robot motions and PLC-level behaviors
    • Manage digital twins and real-time sensor integrations
    • Provide an efficient, flexible, and brand-agnostic automation layer for factories

    The system enables quick creation, updating, and optimization of robotic workflows — making industrial automation more accessible and adaptable across a wide range of hardware and use cases.

    Requirements

    • 5+ years of hands-on software engineering experience
    • Strong full-stack proficiency with JavaScript/TypeScript and Python
    • Ability to work effectively in a fast-paced, high-change environment
    • Daily use of AI tools (ChatGPT, Claude, Copilot, etc.) to speed up development
       

    Technical Skills We Value

    Backend

    • FastAPI, asynchronous Python, WebSockets
    • Experience with PostgreSQL, Redis, workflow/orchestration frameworks
    • Real-time systems: SSE, event streaming, message queues

    Frontend

    • React + TypeScript
    • Real-time data visualization, streaming, and complex state management

    Infrastructure

    • Docker and containerized microservice environments
    • Understanding of scalable, distributed architectures


      Why This Role Is Unique

    • Work on a product connecting AI, robotics, automation, and real-time software
    • High level of ownership and deep technical challenges
    • Influence architecture and roadmap in a rapidly evolving domain
    More
  • · 44 views · 12 applications · 10h

    Python + AI Engineer (interaction with EST time zone)

    Full Remote · Worldwide · 6 years of experience · B2 - Upper Intermediate
    If you would like to work with a great international team, YOU are welcome! We’re waiting for curious and talented people to work remotely on a full-time basis. Tech stack: Backend - Python / Django AI - Anthropic Cloud Infrastructure - AWS /...

    If you would like to work with a great international team, YOU are welcome! We’re waiting for curious and talented people to work remotely on a full-time basis.

     

    Tech stack:  

    Backend - Python / Django

    AI - Anthropic Cloud

    Infrastructure - AWS / Postgres

     

    Time zone: EST (interaction with EST time zone)

    Job Type: Full-time, long-term

    Work Location: Remote

     

    ABOUT THE PROJECT:

    The Client is an educational technology company (USA) that provides a digital learning platform for teachers to create, manage, and deliver interactive assignments. The platform was launched in September 2020.

    The product has about 25,000 active teachers and 100k students. 

    Currently using Jira for project management / Slack for communication / GitHub for code.

    The team consists of 4 full-stack and 1 front-end developer, based in America and Ukraine. 

     

    • Mission: To help teachers find supplemental learning resources, discover best practices in deploying digital materials, and provide tools to create interactive learning content to improve student learning.
    • Background: The platform was "born in one classroom and raised up by thousands of teachers" across the country, with ongoing feedback from educators shaping its features.

     

    Platform Features

    The platform is designed to free up teachers' time by streamlining the assignment process and offering robust features, including: 

    • Content Creation: Teachers can digitize existing PDFs or create new activities from scratch, incorporating multimedia elements like simulations and hyperlinks.
    • Assignment Management: The platform allows teachers to manage student assignments, monitor performance, and sync with services like Google Classroom rosters.
    • Automatic Grading: Features such as automatic grading and real-time feedback save time for educators and provide immediate results for students.
    • AI Integration: The platform includes an AI-powered Content Assistant designed to help educators with lesson preparation and curriculum development, while keeping AI interaction on the teacher's side.
    • Collaboration: Teachers can add co-teachers to assignments, facilitating collaboration and easy modification of materials for students with special needs. 

     

     

    If you are up to the challenge, we’d love to hear from you.

    More
  • · 28 views · 5 applications · 10h

    Senior Python Backend Engineer

    Full Remote · Poland, Romania, Ukraine · 5 years of experience · B2 - Upper Intermediate
    Transcenda is a global provider of design and engineering services. We put people first and strive to be agents of change by building a better future through technology. We are dedicated to empowering organizations to rapidly scale, digitally transform,...

    Transcenda is a global provider of design and engineering services. We put people first and strive to be agents of change by building a better future through technology. We are dedicated to empowering organizations to rapidly scale, digitally transform, and bring new products to market.

    Recognized by Newsweek as one of America’s greatest workplaces of 2025, Transcenda is home to 200+ engineers, designers, analysts, and advisors solving complex business challenges through technology. By approaching our work through a variety of cultures and perspectives, we take calculated risks to design and develop innovative solutions that will have a positive impact tomorrow.

     

    Interesting Facts:

    • Over 200 team members
    • Fully remote — we let people work where they work best.
    • We work with clients who value our opinion and thought leadership, and where we can make a meaningful contribution to architectural decisions, engineering decisions, and product decisions.
    • We have a strong social agenda and promote diversity and inclusion, and participate in a variety of charity initiatives throughout the year.
    • We have fun team-building activities.
    • Since we are rapidly growing, the ability to grow and advance your career is available and at a fairly quick rate.

     

    Must haves

    • 5+ years of overall software engineering experience.
    • Strong experience with Python 3.
    • Solid understanding of object-oriented programming principles.
    • Proficiency with Git and modern development workflows.
    • Hands-on data experience, including working with structured and unstructured data.
    • Strong knowledge of SQL, including query optimization and data modeling.
    • Experience working with data streaming technologies such as Apache Flink, Kafka, or Iceberg.
    • Upper-Intermediate+ English and the ability to communicate effectively with international teams.

     

    Nice to have

    • Experience developing APIs or SDKs in Python.
    • Understanding of software design patterns and scalable architecture principles.
    • Familiarity with Docker or other containerized environments.
    • Strong computer science fundamentals, including data structures and algorithms.

     

    Key responsibilities

    • Design, develop, and maintain high-quality Python 3 applications with a strong focus on clean, maintainable, and efficient code.
    • Apply object-oriented programming principles and software design patterns to build scalable, reusable, and modular systems.
    • Work with large volumes of both structured and unstructured data, ensuring data quality, consistency, and performance.
    • Design and optimize SQL queries and data models to support data-intensive workflows.
    • Develop and maintain data pipelines and real-time processing solutions.
    • Collaborate with cross-functional teams to integrate data solutions into existing platforms and APIs.
    • Contribute to architecture discussions and help define scalable, performant, and secure system designs.
    • Participate in code reviews, technical discussions, and continuous improvement of engineering practices.
    More
  • · 64 views · 11 applications · 9h

    Python Developer

    Full Remote · Countries of Europe or Ukraine · 2 years of experience · B2 - Upper Intermediate
    We are looking for a Python Developer to join our team. The ideal candidate is responsible, motivated, and ready to work with modern cloud-based architectures. Requirements - Strong experience with Python - Hands-on experience with AWS Lambda -...

    We are looking for a Python Developer to join our team. The ideal candidate is responsible, motivated, and ready to work with modern cloud-based architectures.
     

    Requirements

    - Strong experience with Python

    - Hands-on experience with AWS Lambda

    - Practical experience working with MongoDB

    - Good understanding of REST APIs and backend development principles

    - English - Upper Intermediate
     

    Responsibilities

    - Develop and maintain serverless backend solutions using Python and AWS Lambda

    - Work with MongoDB to design efficient data models and queries

    - Ensure code quality, maintainability, and reliability

    - Participate in code reviews and team collaboration

    - Contribute to process improvements and best practices
     

    Nice to Have

    - Experience with TDD 

    - Familiarity with CI/CD pipelines

    - Experience with other AWS services 

    - Knowledge of microservices architecture

    More
  • · 48 views · 8 applications · 9h

    Senior / Principal Backend Engineer at ChatRevenue to $8000

    Full Remote · Countries of Europe or Ukraine · 3 years of experience · B2 - Upper Intermediate
    About Us ChatRevenue.ai was founded by Ratmir Timashev (founder of Veeam) and Vlad Voskresensky (founder of Revenue Grid) to create the next generation of CRM systems. We’re building an AI-native CRM platform that completely redefines how sales automation...

    About Us

    ChatRevenue.ai was founded by Ratmir Timashev (founder of Veeam) and Vlad Voskresensky (founder of Revenue Grid) to create the next generation of CRM systems.

    We’re building an AI-native CRM platform that completely redefines how sales automation works.
    By structuring data for intelligent automation, we enable agentic AI to design workflows, assist Sales Leaders and Reps in real time, and generate predictable sales funnels – all through a simple, chat-driven interface.

    Our mission: to build a CRM that works for User, not the other way around.

     

    About the Role

    We’re looking for a Senior / Principal Backend Engineer who thrives in dynamic environments, enjoys solving complex data challenges, and wants to shape a product from its early stages.

    At ChatRevenue, we focus on goals, not ceremonies – no endless grooming sessions or heavy planning rituals.
    You’ll have a direct influence on architecture, product decisions, and data design. Decisions are made quickly through open discussion and collaboration, without corporate bureaucracy.

     

    What You’ll Do

    • Design, develop and maintain backend services and APIs using Python / FastAPI
    • Work with structured and unstructured data
    • Implement AI-driven features into backend logic and APIs
    • Ensure DevOps best practices (testing, CI/CD, security, Docker/Kubernetes)
    • Collaborate closely with product, data, and frontend engineers to deliver business values fast

     

    What We’re Looking For

    • Strong Python experience, ideally with FastAPI, async programming, proven capacity to write production-ready code with speed and precision.
    • Experience with SQL (PostgreSQL) and data processing frameworks (Pandas, ETL/ELT)
    • Hands-on experience with Docker, Kubernetes, and Azure Cloud
    • Understanding of data architecture, performance optimization, and scalability
    • Experience with CI/CD pipelines, Git, and code review culture
    • Excellent teamwork skills – constructive feedback, collaboration, and ownership mindset

     

    Nice to have

    • Experience with OpenSearch, Kafka, or Azure Data Services
    • Exposure to DevSecOps and advanced debugging
    • Knowledge of Generative AI integration into backend systems
    • Develop and maintain data flows, ETL/ELT pipelines, and integrations between internal and external systems

     

    Why Join Us

    • Remote-first culture – work from anywhere
    • Flexible schedule aligned with European time zone
    • Direct impact – your work is visible in the product from day one
    • Professional growth – as we scale, you can own a technical domain or lead a module
    • Core team – become one of the people who know the product best and grow together with it
    • Competitive compensation

     

    If you want to build an AI-native CRM from the ground up and be part of the core team shaping the product, we’d love to hear your story.

    Apply or reach out directly – let’s build something truly transformative together.

    More
  • · 20 views · 6 applications · 7h

    Senior Python Engineer

    Full Remote · EU · Product · 6 years of experience · B2 - Upper Intermediate
    The company provides financial institutions, governments, and regulators with blockchain intelligence and compliance solutions. The headquarters are in Amsterdam, the Netherlands, with main offices in Ukraine, London, and the USA. You’ll play a pivotal...

    The company provides financial institutions, governments, and regulators with blockchain intelligence and compliance solutions. The headquarters are in Amsterdam, the Netherlands, with main offices in Ukraine, London, and the USA.

     

    You’ll play a pivotal role in integrating new blockchains and protocols into our platform, contributing to a product that helps fight financial crime and promote transparency in the crypto space.

     

    Duties and responsibilities:

    • Integration of blockchains, tokens and bridges within platform;
    • Maintain code to high-quality standards;
    • End-to-end feature designing and implementation;
    • Code, debug, test and deliver features and improvements in a continuous manner;
    • Provide code review, assistance and feedback for other team members;
    • Refactor code as necessary.

    Required:

    • 5+ years commercial experience in developing Python backend services and API for Web or Mobile Apps;
    • Solid software architecture skills;
    • Strong knowledge of SQL/NoSQL databases and data architecture;
    • Experience with a Flask framework;
    • Knowledge of Unit Testing principles;
    • Experience in developing service-oriented solutions;
    • Understanding of the process of integration with external services;
    • Proficiency in English.

    Would be a plus:

    • Hands-on experience with PostgreSQL;
    • Hans-on experience in big data, key-value and other storages;
    • DevOps skills for working in development environment;
    • Experience with open source solutions.


     

    Condition: 80K+ annual gross USD/EURO, B2b contract. This is a fully remote role open to candidates across Europe, offering the chance to work with a globally distributed team of blockchain analysts, mathematicians, and developers.

    More
  • · 29 views · 7 applications · 6h

    Scraping Developer - freelance

    Part-time · Full Remote · Worldwide · 4 years of experience · C1 - Advanced
    Senior Backend Engineer (Freelance) About the Project: We're an innovative startup specializing in advanced web data extraction solutions. Our technology stack combines cutting-edge AI tools with sophisticated development techniques to deliver...

    Senior Backend Engineer (Freelance)

    About the Project: We're an innovative startup specializing in advanced web data extraction solutions. Our technology stack combines cutting-edge AI tools with sophisticated development techniques to deliver high-quality data solutions for our clients.

    The Role: We're seeking a talented Senior Backend Engineer for freelance collaboration. You'll be working on complex technical challenges, building robust data extraction systems, and leveraging the latest AI development tools.

    What You'll Do:

    • Design and implement scalable web scraping architectures
    • Work with advanced proxy management and network solutions
    • Develop technical solutions for complex web systems
    • Integrate AI-powered tools (Cursor, Claude Code, etc.) into development workflows
    • Build and maintain high-performance, resilient infrastructure
    • Collaborate with our team on innovative technical challenges

    Requirements:

    • 1-3 years of hands-on experience in web scraping/data extraction
    • Strong expertise in proxy rotation, headers management, and technical parameters
    • Proficiency with modern scraping frameworks and tools
    • Experience with AI-assisted development tools (Cursor, Claude Code, GitHub Copilot)
    • Excellent English - must
    • Fluent Russian - must
    • Strong problem-solving skills and deep understanding of web technologies

    Nice to Have:

    • Experience with Playwright, Puppeteer, Selenium
    • Knowledge of CAPTCHA solving techniques
    • Background in cybersecurity or network protocols
    • Familiarity with distributed systems and cloud infrastructure

    We Offer:

    • Competitive hourly/project-based rates
    • Cutting-edge tech stack and AI tools
    • Full flexibility in working hours
    • Challenging technical projects
    • Opportunities for long-term collaboration

    Engagement Type: Freelance, flexible (hourly/project-based)

    Workload: Flexible, based on availability

    More
  • · 22 views · 3 applications · 5h

    Python Engineer

    Full Remote · Ukraine · 4 years of experience · B2 - Upper Intermediate
    DashDevs is seeking a Python Engineer to contribute to the development of a fintech service tailored for EU clients. Embrace the opportunity to leverage cutting-edge technologies like AWS for deployment, Kafka for interactive queue service, within a...

    DashDevs is seeking a Python Engineer to contribute to the development of a fintech service tailored for EU clients. Embrace the opportunity to leverage cutting-edge technologies like AWS for deployment, Kafka for interactive queue service, within a microservice dedicated to card proccessing and “Buy now-pay later” service.
     

    Project description
    An innovative fintech platform is transforming how consumers manage finances and make purchases using BNPL. It offers seamless payment solutions, integrating with various merchants for online and in-store shopping. It provides their users flexible payment options, real-time spending insights, and robust security measures, enhancing their financial management and shopping experiences.
     

    Project stage
    Project is active in EU from 2014, expanding to new regions in Q3 2024
     

    Team quantity
    Currently there is 3 concurrent squads who are managing product features with total number of engineers 30.

    Requirements:
    At least 4 years of experience as Software Developer

    • Experience with fintech is mandatory
    • Clean coding methodologies (SOLID, YAGNI)
    • Fluency in SQL, Python, Unix/bash scripting
    • Ability to write easily understandable and maintainable code in multiple programming languages…polyglot will be a distinct advantage
    • Good understanding and working knowledge of Django
    • Be familiar with best practices in microservices, OOP design patterns, queuing patterns, asynchronous programming (both asyncio and celery-like)
    • Strong communication skills, ability to deliver code to production with feedback and document design decisions
    • Databases: SQL {PostgreSQL, MySQL}
    • Message brokers: RabbitMQ, Kafka
    • English level - B2
       

    Skills that will be a plus:

    • NoSQL {Apache Cassandra, Redis, MongoDB}
    • Experience with a cloud services provider (AWS)
    • Kubernetes (EKS)
    • Terraform
    • Docker
    • Grafana
    • Firebase

    Previous experience preferred: Knowledge of cards issuing/processing.

    Responsibilities:

    • Develop new features and support apps in django monolith service
    • Write technical specifications for API
    • Implement, review, support and debug required scope
    • Write unit tests and integration tests
    • Participate in code review
    • Participate in verbal and written communication with the client(s).
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  • · 65 views · 8 applications · 5h

    Strong Junior/Middle Python Developer

    Full Remote · Countries of Europe or Ukraine · 1.5 years of experience · B2 - Upper Intermediate
    The customer team is building a next-generation AI assistant platform using Claude, Snowflake Cortex, and custom Python-based APIs via the Model Context Protocol. We are looking for an experienced Python developer to join the team working on the MCP...

    The customer team is building a next-generation AI assistant platform using Claude, Snowflake Cortex, and custom Python-based APIs via the Model Context Protocol.
    We are looking for an experienced Python developer to join the team working on the MCP Server - a FastAPI-based backend application deployed on Kubernetes and integrated with multiple AWS services. 

    Key Responsibilities: 
    • Develop and maintain the MCP Server (FastAPI backend) and its internal tools 
    • Implement new API tools for LLM-based operations (e.g., text-to-SQL, data summary, etc.) 
    • Integrate and maintain M2M authentication using Cognito and JWT validation 
    • Ensure MCP Server complies with the official Model Context Protocol spec 
    • Write clean, testable, modular Python code 
    • Collaborate with DevOps on deployment and observability (GitHub Actions, ArgoCD, Prometheus, SQS logs) 
    • Participate in code reviews, architecture decisions, and security discussions 

    Must-Have Skills: 
    • Strong experience with Python 3.10+, FastAPI 
    • Good knowledge of JWT authentication, OAuth2 flows, and Cognito integration 
    • Experience with AWS services: SQS, Secrets Manager, ALB, IAM will be an advantage 
    • Comfort working with asynchronous code (async def, httpx, asyncio) 
    • Experience with containerized development (Docker) 
    • Git workflows (PRs, branching strategies, tagging) 
    • Familiarity with structured logging and metrics (e.g., logging, Prometheus) 
    • English B1+/B2 (written/spoken) 
    • French will be an advantage 

    Nice to Have: 
    • Experience working with LLM APIs or AI tools 
    • Familiarity with Snowflake or Cortex Analyst 
    • Awareness of the Model Context Protocol 
    • Experience contributing to CI/CD workflows 

    Work Style & Process: 
    • You will work closely with customer’s internal product and AI engineering teams 
    • Daily communication via Slack, regular calls with PM / Tech Lead 
    • You’ll deploy to dev, qa, and soon prod environments using ArgoCD & GitHub workflows 
    • The team uses English for all technical and written communication Why Join 
    • Work with cutting-edge LLM and AI platform technologies 
    • Be part of a high-priority initiative at modern rapidly-growing company 
    • Help shape the evolution of how AI connects with real business data via structured protocols

    Working Conditions
     

    • Paid Vacation (16 days), Documented/Undocumented Sick Leave, Leave for Significant Life Events.
    • Quarterly Sports/English bonuses.
    • Compensation for medical insurance.
    • Flexible working hours.
    • Weekends according to the Ukrainian calendar.
    • Engaging projects with opportunities for career growth.
    • Exciting events, corporate parties & pizza parties.
    • Gifts from the company.
    • A friendly environment and supportive team.
    More
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