Senior Full Stack (Part-time 4 hours per day)

Location:
Europe
Job format:
Remote
Vacancy level:
Senior
English:
Upper Intermediate
Company:
Outsourcing outstaffing

Senior Full Stack (Part-time 4 hours per day)

💛 💙 Hi all!
We are looking for a part-time Senior Full Stack Engineer (React.JS and Node.JS) for a development project to join our client, outsourcing/outstaffing company with more than 8 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries.

📲Project: The project is a cardio platform designed to enhance heart signal data from a medical device and provide doctors with a convenient interface to process cardio health information.

Key features of the platform include:
Infinite charts for cardio graphs;
Processing and rendering large files with efficient FE display in parallel;
Detecting various events on the graphs and visualizing them directly on the charts.

🌎‍ Type of cooperation: remote, part-time 4 hours per day.

👨🏻‍💻 You can be part of the following team:
Client`s side: Product Manager + other stakeholders + the ML team.
On Engineering`s side: 1 Full Stack Developers, 1 QA, 1 PM, 1 DevOps.

Why we have opened this vacancy: Team extension.

🕹Tools we use: Jira, Confluence, Git, Figma

We expect

Sorry, this entry is only available in Українська.

🎯 

  • 5+ years of commercial experience in software development with React.js and Node.js;
  • Strong backend expertise (Node.js / Nest.js) with solid frontend knowledge (React.js);
  • Proficiency in JavaScript/TypeScript, HTML, CSS;
  • Experience with PostgreSQL;
  • Hands-on experience with AWS services: Cognito, Lambda, DynamoDB, CloudWatch, API Gateway;
  • Ability to efficiently display and manage large datasets using React (Virtuoso – will be a plus);
  • Experience with dynamic data visualization (ECharts – will be a plus);
  • Knowledge of Parquet file querying (DuckDB – will be a plus);
  • Familiarity with search engines: ElasticSearch, OpenSearch;
  • Experience in leading a small development team and providing technical guidance;
  • Upper-Intermediate English level.

Nice to have

Sorry, this entry is only available in Українська.

👑

  • Experience in direct communication with customers;
  • Experience working in startups.

Responsibilities

Sorry, this entry is only available in Українська.

💼

  • Active participation in Scrum ceremonies – including daily stand-ups, sprint planning, grooming, and demos – ensuring clear communication and alignment with the team.
  • Feature development and delivery within agreed timelines, maintaining strong ownership over code quality, testing, and adherence to estimates.
  • Technical excellence and reliability – designing and implementing complex features, performing code reviews, and contributing to the platform’s stability and maintainability through clean, efficient solutions.
  • Product collaboration – working closely with the Product Manager to clarify requirements, provide technical feedback, and suggest optimizations that improve the product’s functionality and user experience.
  • Risk awareness and problem-solving – proactively identifying technical risks or potential blockers, communicating them to the PM early, and contributing to discussions on how to mitigate them.
  • Cross-team collaboration – engaging in technical discussions, sharing knowledge, and assisting teammates when needed to keep the delivery flow smooth and consistent.

We offer

Sorry, this entry is only available in Українська.

⚽  Social package and other bonuses:

  • Stable and highly-functioning processes – everyone has their own role and clear responsibilities, so decisions are made quickly and without unnecessary approvals.
  • We will be happy to pay 50% of the cost of courses/conferences/speaking clubs.
  • Do you have a friend who is currently looking for new job opportunities? Recommend them to us and get a bonus.
  • The company promotes growth and encourages initiatives.
  • A modern stack of technologies, the opportunity to work at a high load, modern equipment, with constant improvements at the request of employees.
  • Top management, open to communication with teams.

 

A little more information that you may find useful:

  • our adaptation period lasts 3 months, this period of time is enough for us to understand each other better;
  • there is a performance review after each year of our collaboration where we use a skills map to track your growth;
  • we really have no boundaries in the truest sense of the word – we have a flexible working day;
  • we are looking for like-minded professionals who believe in making the world a better place by building technology that’s meant to last and scale.

 

🏝  Vacation and sick leave

  • 21 working days off a year;
  • 5 sick leaves a year.

Sorry, this entry is only available in Українська.

📢 What are the stages of selection:

  • Call, HR, Tech interview, PM interview.

Location:
Europe
Job format:
Remote
Vacancy level:
Senior
English:
Upper Intermediate
Company:
Outsourcing outstaffing

Senior Full Stack React/Node.js Engineer

Location:
Europe
Job format:
Remote
Vacancy level:
Senior
English:
Upper Intermediate
Company:
Outsourcing outstaffing

Senior Full Stack React/Node.js Engineer

💛 💙 Hi all!
We are looking for a Senior Full Stack React/Node.js Engineer to join our client, outsourcing/outstaffing company with more than 8 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries.

Project: our customer is an innovative company that utilizes state-of-the-art technology to assist in the care of elderly people. By using predictive algorithms, AI, and IoT home devices, the ecosystem creates an interactive tool that enables care services to better understand and support each elderly individual.

👨🏻‍💻 You can be part of the following team:
Engineer’s team: 3 Full-stack engineer, and remote team in Istrael.
App team: 1 TL, 2 devs, 1 Manual QA, 1 AutoQA
Data team: 1 TL, 5 devs
DevOps team: 3 DevOps
Product team: Head, 2 products, 1 designer, 1 medical consultant

Why we have opened this vacancy: Team extension.

🕹Tools we use: Jira, Confluence, Git, Figma

🌎‍ Type of cooperation: Full-time, remote, UTC−06:00, Central Time (CT)

We expect

🎯 

  • 5+ years’ full-stack development experience with Node.js and React.
  • Strong knowledge of microservices, REST APIs, and cloud platforms (AWS preferred).
  • Familiarity with Docker, Kubernetes, and CI/CD pipelines.
  • Excellent verbal and written communication skills in English, including communication with executives, developers, and product managers.
  • Hands-on problem solver with strong ownership and a collaborative mindset.
  • Able to work according to the Austin, Texas time zone(UTC−06:00, Central Time (CT).

Nice to have

👑

  • React Native experience — a plus.

Responsibilities

💼

  • Build and maintain scalable full-stack applications with Node.js and React.
  • Design microservices and cloud-based architectures (AWS).
  • Partner with product and design to align tech solutions with user needs.
  • Review code, mentor junior developers, and raise engineering standards.
  • Troubleshoot and optimize performance in production environments.
  • Stay ahead of industry trends to keep our stack modern and effective.

We offer

⚽  Social package and other bonuses:

  • Stable and highly-functioning processes – everyone has their own role and clear responsibilities, so decisions are made quickly and without unnecessary approvals.
  • We will be happy to pay 50% of the cost of courses/conferences/speaking clubs.
  • Do you have a friend who is currently looking for new job opportunities? Recommend them to us and get a bonus.
  • The company promotes growth and encourages initiatives.
  • A modern stack of technologies, the opportunity to work at a high load, modern equipment, with constant improvements at the request of employees.
  • Top management, open to communication with teams.

 

A little more information that you may find useful:

  • our adaptation period lasts 3 months, this period of time is enough for us to understand each other better;
  • there is a performance review after each year of our collaboration where we use a skills map to track your growth;
  • we really have no boundaries in the truest sense of the word – we have flexible working day, remote or office is up to you.

 

🏝  Vacation and sick leave

  • 21 working days off a year;
  • 5 sick leaves a year.

 

📢 What are the stages of selection:

  • Call, HR, Tech, Client/Final interview
Location:
Europe
Job format:
Remote
Vacancy level:
Senior
English:
Upper Intermediate
Company:
Outsourcing outstaffing

Platform & Analytics Engineer (Python / Data Science)

Location:
Europe
Job format:
Remote
Vacancy level:
Senior
English:
Upper Intermediate
Company:
Outsource

Platform & Analytics Engineer (Python / Data Science)

💛 💙 Hi all!
We are looking for a Platform & Analytics Engineer (Python / Data Science)  to join our client, outsourcing/outstaffing company with more than 8 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries.

Project domain: Mobility & Transportation Technology

The project is focused on developing technological solutions for the mobility industry, covering aviation, shipping, and railway transportation. The company leverages modern software and hardware technologies to optimize vehicle management, enhance the efficiency of logistics processes, and improve the user experience.

👨🏻‍💻You can be part of the following team: Engineering manager, Senior Backend Devs, QAs,  PO, Client CTO.

🌎Team time zone: EEA or Switzerland

🕹Tools we use: Jira, Confluence, Git, Figma

We expect

🎯 

  • Minimum of 5 years of hands-on experience in Python programming.
  • Familiarity with FastAPI or Quart for API Development.
  • Proficient with PostgreSQL (SQL, schema design, query optimization).
  • Comfortable with MongoDB or other NoSQL systems.
  • Competent in data wrangling and analysis using Pandas/NumPy.
  • Good working knowledge of statistics and experiment frameworks (e.g. A/B testing, causal inference, experiment design).
  • Basic experience with CI/CD and containerization (e.g. Docker).
  • Upper-Intermediate English level.

Nice to have

👑

  • Familiarity with core AWS services (e.g. Cloudwatch, ECS, S3, RDS).
  • Experience with data visualization (Plotly, matplotlib, seaborn, or BI tools).
  • AI/LLM tooling integration (e.g. OpenAI/Anthropic APIs, agent design, AI-assisted developer workflows).
  • Previous experience shaping or extending internal developer platforms.
  • Startup or small-team background where versatility was key.
  • Experience with Flutter (for Web) for the client-side of the developer platform.

Responsibilities

💼

  • Backend API development.
  • Database management.
  • Data analysis.

We offer

  • ⚽ 
  • We have stable and highly-functioning processes – everyone has their own role and clear responsibilities, so decisions are made quickly and without unnecessary approvals. 
  • You will have enough independence to make decisions that can affect not only the project but also the work of the company.
  • We are a team of like-minded experts who create interesting products during working hours, and enjoy spending free time together.
  • Do you like to learn something new in your profession, or do you want to improve your English? We will be happy to pay 50% of the cost of courses/conferences/speaking clubs.
  • Do you want an individual development plan? We will form one especially for you + you can count on mentoring from our seniors and leaders.
  • Do you have a friend who is currently looking for new job opportunities? Recommend them to us and get a bonus.
  • Are you thinking about taking out insurance? This is also what we can offer you.
  • And what if you want to relax? Then we have 21 working days off. We also have 11 paid days off for Public Holidays.
  • What if you’re feeling bad? You can take 5 sick leaves a year.
  • Do you want to volunteer? We will add you to a chat, where we can get a bulletproof vest, buy a pickup truck or send children’s drawings to the front.
  • And we have the most empathetic HRs (who also volunteers!). So we are ready to support your well-being in various ways.

📢 What are the stages of selection:

  • HR, Client Tech interview, Client Final.

A little more information that you may find useful:

  • our adaptation period lasts 3 months, this period of time is enough for us to understand each other better;
  • there is a performance review after each year of our collaboration where we use a skills map to track your growth;
  • we really have no boundaries in the truest sense of the word – we have a flexible working day.

We are looking for like-minded professionals who believe in making the world a better place by building technology that’s meant to last and scale.

Location:
Europe
Job format:
Remote
Vacancy level:
Senior
English:
Upper Intermediate
Company:
Outsource

Senior AI/ML Engineer

Location:
Europe
Job format:
Remote
Vacancy level:
Senior
English:
Upper Intermediate
Company:
Outsource

Senior AI/ML Engineer

💛 💙 Hi all!
We are looking for a Senior AI/ML to join our client, outsourcing/outstaffing company with more than 8 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries.

Project domain: Mobility & Transportation Technology

The project is focused on developing technological solutions for the mobility industry, covering aviation, shipping, and railway transportation. The company leverages modern software and hardware technologies to optimize vehicle management, enhance the efficiency of logistics processes, and improve the user experience.

👨🏻‍💻You can be part of the following team: Engineering manager, Senior Backend Devs, QAs,  PO, Client CTO.

🌎Team time zone: EEA or Switzerland

🕹Tools we use: Jira, Confluence, Git, Figma

We expect

🎯 

  • Minimum of 5 years of hands-on experience with Python and related technologies in distributed serverless environments (ideally AWS).
  • Solid understanding and practical experience with microservice architecture.
  • At least 2 years of experience programming high-performance processes in SQL and/or NoSQL databases.
  • Experience  with AWS SageMaker or similar and have:

– deployed scalable ML workloads using SageMaker, RDS, Lambda, and ECS.

– experience with SageMaker Pipelines, Endpoints, and Studio for managing automated workflows and real-time inferencing with the data warehouse.

  • You have hands on experience in Time Series Forecasting using one of the following – ARIMA, Prophet, XGBoost, DeepAR.
  •  Predictive Analytics: you have built and fine-tuned predictive models for time series tasks such as next-week sales forecasts, handling issues like over/under-prediction on a continuous basis. AB testing on a continuous basis.
  • Upper-Intermediate English level.

Nice to have

👑

  • Proficiency in .NET Core will be an advantage.

Responsibilities

💼

  • To build highly distributed serverless systems.
  • Time Series Forecasting and Predictive Analytics: to build and fine-tune predictive models for time series tasks such as next-week sales forecasts, handling issues like over/under-prediction on a continuous basis. AB testing on a continuous basis.
  • Building new highly distributed micro & macro-service backend applications for use in the airline industry.
  • Working with an existing team of expert engineers & others using technologies such as
  • .net core, SQL, AWS lambda, code pipeline CI/CD.
  • Implement and maintain continuous integration and continuous deployment procedures to ensure efficient and reliable software delivery.
  • Utilize your expertise to build scalable applications that meet performance and reliability requirements.
  • Work as a team player, demonstrating a highly motivated, can-do approach to achieve project goals.
  • Apply your experience to thrive in a large-scale environment, addressing challenges with efficiency and adaptability.
  • Demonstrate experience in writing unit tests to ensure the reliability and maintainability of the codebase.

We offer

⚽  Social package and other bonuses:

  • Stable and highly-functioning processes – everyone has their own role and clear responsibilities, so decisions are made quickly and without unnecessary approvals.
  • We will be happy to pay 50% of the cost of courses/conferences/speaking clubs.
  • Do you have a friend who is currently looking for new job opportunities? Recommend them to us and get a bonus.
  • The company promotes growth and encourages initiatives.
  • A modern stack of technologies, the opportunity to work at a high load, modern equipment, with constant improvements at the request of employees.
  • Top management, open to communication with teams.

 

A little more information that you may find useful:

  • our adaptation period lasts 3 months, this period of time is enough for us to understand each other better;
  • there is a performance review after each year of our collaboration where we use a skills map to track your growth;
  • we really have no boundaries in the truest sense of the word – we have flexible working day, remote or office is up to you.

 

🏝  Vacation and sick leave

  • 21 working days off a year;
  • 5 sick leaves a year.

 

📢 What are the stages of selection:

  • HR, Client Tech interview, Client Final.
Location:
Europe
Job format:
Remote
Vacancy level:
Senior
English:
Upper Intermediate
Company:
Outsource

Senior/Lead Python + React Developer

Location:
Europe
Job format:
Remote
Vacancy level:
Lead Senior
English:
Upper Intermediate
Company:
Outsourcing

Senior/Lead Python + React Developer

💛 💙 Hi all!
We are looking for a Senior/Lead Python + React Developer for our client to implement a fintech project.

It is a software development company headquartered in the US. They help companies in the sales and marketing, mining, finance, and healthcare sectors develop their digital products.

We expect

Sorry, this entry is only available in Українська.

🎯 

  • 5+ years of experience in fullstack development
  • Strong proficiency in Python (Django/Flask/FastAPI)
  • Frontend experience with React (TypeScript preferred)
  • Deep understanding of web application architecture
  • Experience designing and consuming REST APIs
  • PostgreSQL, MySQL or similar RDBMS
  • Familiarity with Docker and container orchestration
  • Experience deploying applications to cloud platforms (AWS, Azure, or GCP)
  • Good understanding of Git workflows
  • Experience with test automation and TDD
  • English: Upper-Intermediate or higher

Nice to have

Sorry, this entry is only available in Українська.

👑 

  • Knowledge of WebSockets and real-time communication
  • Experience with Elasticsearch, Redis
  • Exposure to data processing pipelines or background task queues (Celery, RabbitMQ)
  • Experience mentoring or leading small dev teams

📢  Two rounds of interviews are PLANNED.

Location:
Europe
Job format:
Remote
Vacancy level:
Lead Senior
English:
Upper Intermediate
Company:
Outsourcing

SRE Engineer

Location:
Europe
Job format:
Remote
Vacancy level:
Middle
English:
Upper Intermediate
Company:
Product

SRE Engineer

💛 💙 Hi all!
We are looking for an SRE Engineer for our client, the product telecommunications company is a transit provider of voice and SMS traffic, as well as several lines of business, so the company brings stable income, but at the same time it has not lost the lightness and flexibility of a startup.
The company’s clients are large international companies and corporations that use the SMS platform to develop and improve their own business.

The company was founded in 2007 with a mission to provide intelligent communication solutions for organizations of all sizes. Initial products focused on global voice connections, but they later expanded their product offering to include messaging, fax, and chat. With a head office in a high-tech hub located around Tel Aviv and offices in Sofia and Kyiv, they are able to attract the best technical and business personnel who are focused on providing the highest quality services to their partners and customers. They are proud to be chosen by many global Tier 1 companies from over 100 countries to meet their business-critical communications needs.

We expect

🎯 

  • 1–3 years of experience in a DevOps, SRE, or Monitoring Engineer role;
  • Hands-on experience with cloud infrastructure, preferably Google Cloud Platform (GCP);
  • Experience with monitoring and observability tools (Prometheus, Grafana, Zabbix, or similar);
  • Solid understanding of Linux system administration and troubleshooting;
  • Experience with GitLab CI or similar CI/CD pipelines;
  • Familiarity with both relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Redis) databases;
  • Strong experience with Docker, Kubernetes and Helm.

Nice to have

👑

  • Experience with OpenTelemetry and distributed tracing tools like Grafana Tempo or Jaeger;
  • Knowledge of infrastructure-as-code tools (e.g., Ansible, Terraform);
  • Understanding of networking fundamentals (TCP/IP, DNS, HTTP, etc.);
  • Experience working in production environments and incident response processes.

Responsibilities

💼

  • Collaborate with R&D engineers on coordination, communication, and execution of production-related operations;
  • Develop and deploy monitoring, alerting, and logging systems to proactively identify and mitigate operational issues;
  • Conduct capacity planning and performance tuning to optimize system performance and resource utilization for improved user experience;
  • Automate repetitive tasks and processes to streamline operations and improve efficiency;
  • Incident response and resolution, including root cause analysis and post-mortem reviews;
  • Continuously evaluate and adopt new technologies and methodologies to enhance our infrastructure and operations;
  • Documentation and Knowledge Sharing: Create and maintain documentation, runbooks, and knowledge base articles to document system configurations, procedures, and best practices.

We offer

⚽  Social package and other bonuses:

  • Flexible working hours;
  • Medical insurance after TP.
  • Educational events & courses compensation;
  • English classes with a native speaker;
  • Dynamic corporate life;
  • Minimal bureaucracy, quick decisions;
  • The ability to influence any process, regardless of position in the company;
  • The company promotes growth and encourages initiatives;
  • Established processes following the business strategy;
  • A modern stack of technologies, the opportunity to work at a high load, modern equipment, a modern office, with constant improvements at the request of employees;
  • The opportunity to work both on existing projects and to develop new projects of various sizes;
  • Top management, open to communication with teams;
  • There is an accountant who keeps the employees’ accounts;
  • Full social package with English language courses and speaking club, compensation for various professional courses, trainings and conferences.

 

🏝  Vacation and sick leave:

  • 20 works days;
  • sick leave is not fixed.

 

📢 What are the stages of selection:

  • HR prescreen + English check (30 min);
  • Technical interview with Tech Lead and Senior DevOps Engineer (1 hour);
  • Technical Interview with CTO (40 min).
Location:
Europe
Job format:
Remote
Vacancy level:
Middle
English:
Upper Intermediate
Company:
Product
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