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 Full Stack Developer (Flutter/Go)

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

Senior Full Stack Developer (Flutter/Go)

💛 💙 Hi all!
We are looking for a Senior Full Stack Developer (Flutter/Go) to join 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

🎯 

  • 3+ years of experience with Flutter and Dart ,
  • 5 + years of experience in software development;
  • Full Stack development experience, especially with 2+  years of experience with Go, React, or Node.js;
  • Strong understanding of mobile architecture and cross-platform development;
  • Solid experience consuming RESTful or GraphQL APIs;
  • Experience with state management solutions (e.g., BLoC / Cubit, Provider, Riverpod).

Nice to have

👑

  • Experience building or maintaining Flutter plugins (Android/iOS interop);
  • Familiarity with WebRTC, signaling, and real-time streaming protocols;
  • Experience with Firebase, WebSockets, push notifications;
  • Familiarity with clean architecture and test-driven development.

Responsibilities

💼

  • Design and develop high-quality Flutter apps for Android and iOS;
  • Collaborate with backend engineers to define APIs and build full-stack features;
  • Write clean, testable, maintainable Dart code following best practices;
  • Implement custom Flutter plugins to bridge native functionality when needed;
  • Integrate with real-time communication tools (e.g., WebRTC, sockets);
  • Work with product managers and designers to deliver smooth, performant UX;
  • Debug, profile, and optimize performance across devices;
  • Participate in code reviews, architectural discussions, and agile development cycles.

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 Mobile Engineer (1 hour);
  • Technical Interview with CTO (40 min).

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

Middle Manual QA Engineer

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

Middle Manual QA Engineer

💛 💙 Hi all!
We are looking for an Middle Manual QA 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 main product is the MessageWIzz SMS platform. 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 Hong Kong 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

🎯 

  • 2+ years of experience in software testing;
  • Strong theoretical knowledge base in software testing;
  • Knowledge of SDLC, test design techniques, test documentation;
  • Understanding the test pyramid;
  • Experience with REST API (Postman, Swagger etc.);
  • Understanding CI/CD processes;
  • Experience with GIT.

Nice to have

👑

  • Experience with Python/JS;
  • Experience in automation testing;
  • Knowledge of Scrum methodology

Responsibilities

💼

  • You will analyze business and functional requirements alongside technical specifications;
  • You will write test documentation;
  • You will create bug reports in the bug tracking system and ensure the fixed bugs verification;
  • You will provide updates to effort estimates and status of assigned tasks;
  • You will participate in daily project team meetings and brainstorming activities related to the project issues.

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 (1 hour, everything in communication format, no live coding );
  • Interview with CTO (40 min).

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

Tech Lead (Go/React)

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

Tech Lead (Go/React)

💛 💙 Hi all!
We are looking for a self-motivated Tech Lead (Go/React) for our client. The tech lead will be responsible for designing, developing, and deploying software solutions for the company’s products, delivering real-time, low-latency capabilities for next-generation communications. As part of the Agile team, you’ll lead by example, mentor engineers, and drive innovation while remaining hands-on with coding and problem-solving.

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 main products are the MessageWhiz – Messaging Platform and Call Centre Connect. 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

🎯 

  • 2+ years of experience as Tech Lead;
  • 4+ years of backend development experience;
  • 4+ years with GoLang;
  • 1+ years with React;
  • Strong expertise in TypeScript and JavaScript;
  • Proficiency with SQL and NoSQL databases (MariaDB, MongoDB, Redis).

Nice to have

👑

  • Experience with event-driven architectures (Kafka, RabbitMQ, NATS);
  • Knowledge of Scrum methodology;
  • Experience with Node.js.

Responsibilities

💼

  • Design, develop, and deploy new features and projects;
  • Collaborate with stakeholders and present demos;
  • Investigate and resolve technical issues to improve stability;
  • Mentor and onboard team members.

We offer

⚽  Social package and other bonuses:

  • Flexible working hours;
  • Medical Insurance and Sport Card perks are available for employees located in Bulgaria;
  • 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 (1 hour);
  • Technical Interview with CTO (40 min).

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

Automation QA Engineer

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

Automation QA Engineer

💛 💙 Hi all!
We are looking for an Automation QA 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 main product is the MessageWIzz SMS platform. 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 Hong Kong 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

🎯 

  • 3+ years of relevant professional experience in writing test automation scripts, hands-on experience in automated testing tools (Playwright, Selenium, etc);
  • Extensive knowledge of JavaScript/Typescript ecosystem, and/or Python (will be a plus);
  • Experience with performance testing, Locust, Jmeter, etc;
  • Experience with Continuous Integration (Gitlab, etc);
  • Experience with GIT, or similar tool;
  • Experience with JIRA, Xray;
  • Demonstrated ability to take ownership of deliverables, drive improvement, and embrace new technologies and methodologies;
  • Strong communication skills to work effectively with teams across various geographies and cultural backgrounds;
  • Willingness to stay flexible and open to change in a dynamic environment;
  • ISTQB certified or equivalent knowledge.

 

 

Responsibilities

💼

  • You will define and implement test automation frameworks alongside with our products;
  • You will analyze business and functional requirements alongside technical specifications;
  • You will write test documentation;
  • You will be involved into implementing performance test practices;
  • Develop manual test cases, if needed, that will serve as the basis for automated tests, ensuring comprehensive test coverage of all product aspects;
  • Identify potential risks and dependencies in the testing process and work proactively to mitigate them;
  • You will provide updates to effort estimates and status of assigned tasks;
  • You will participate in daily project team meetings and brainstorming activities related to the project issues.

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 AQA 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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