Jobs Backend

This role is ideal for an experienced Python engineer who is confident working with AI-driven workflows, building reliable backend services, and contributing to modern LLM-powered systems. You will focus on developing MCP-based integrations and backend APIs while collaborating with a senior-level engineering team.

Your responsibilities will include:

• Build and maintain Python-based MCP services and integrations.
• Develop backend APIs for LLM-powered products using FastAPI or FastMCP.
• Work on prompting, tool integration, reliability, and production readiness of AI workflows.
• Design, build, and maintain scalable and reliable backend systems.
• Collaborate with cross-functional teams to deliver high-quality technical solutions.
• Participate in improving system performance, stability, and maintainability.
• Expand into modern LLM infrastructure and evaluation practices as needed.

What we expect from you:

• English level B2 or higher for effective technical communication.
• Strong hands-on experience with Python.
• Solid experience with MCP and prompting concepts.
• Proven backend engineering experience with FastAPI or similar frameworks.
• Experience designing and maintaining APIs and backend services.
• Proficiency with Git and standard version control workflows.
• Strong problem-solving skills and ability to work independently.
• Experience working in distributed teams within the EU time zone.
   

Nice to Have:

• Exposure to Kubernetes.
• Understanding of embeddings and evaluation (evals) workflows.
• Familiarity with LLM inference concepts such as temperature, top_p, guardrails, and bias mitigation.
• Experience working with AI-driven or LLM-based systems.
• Experience with production-grade infrastructure and scalable services.

What we offer:

• Interesting projects and challenges that accelerate professional and personal growth.
• Long-term project.
• 15 paid vacation days per year.
• 5 paid sick leave days per year.
• Flexible, results-focused schedule; hybrid work or remote (office with city view + work from home).
• Comfortable, stylish office in Kyiv with generator/battery backup.
• Equal salary, medical insurance, trial period.
• Team-building events: parties, online activities, picnics, and more.
• Opportunity to work in a Top-employee company (DOU 2025).

FFW Agency is looking for a Strong-Mid/Senior PHP developer to join our team.

Required skills

- 3+ years of hands-on development experience

- Solid knowledge of PHP (Drupal, Laravel, Symfony)

- Commercial project experience with Laravel

- Experience with SQL and noSQL databases

- OOP

- Design patterns

- Hands-on experience in Web Services development

- Solid understanding of Git and CI

- Upper-Intermediate level of English or above

- Ability to both collaborate with team members and to work independently.

As a plus

- TypeScript knowledge

- AWS knowledge

- Python experience

- Knowledge of JavaScript(Vue.js or React)

- HTML5, CSS3 and SASS

We offer

- Competitive salary

- Support for conferences, courses and certifications

- Health insurance

- English language school

- Paid holidays (4 weeks) and sick leave

About FFW Agency (Dnipro)

We are a global team of inspired people collaborating across 11 countries, together with the aligned purpose of creating powerful digital experiences for some of the world’s most notable brands. We are passionate about empowering our clients to harness the full opportunity of digital to create best-in-class experiences for our clients and those they serve. We judge our success by our collective hard work's impact on our clients’ businesses.

Come Back Agency supports US software and technology companies by running their hiring process. We work with delivery and leadership teams to define roles, screen candidates, and manage interviews. Successful candidates are hired directly by the company and become part of its team.

Employer information:
This position is with a US-based software company providing custom development and AI implementation for North American clients. The team builds and maintains production software, including AI-enabled systems, and works in long-term client engagements. Team members operate as part of an internal, distributed team and collaborate directly with client stakeholders.

About the role:
We are looking for a Python Backend Developer to join a distributed team building and maintaining production software for US-based clients. You will work on real systems, collaborate directly with client stakeholders, and contribute to AI-enabled solutions in a long-term engagement.

What you will do:

• Build and maintain web applications using Python, Django, and FastAPI - production code that's clean, testable, and built to last.
• Develop backend systems, integrate third-party APIs, and support frontend teams with reliable endpoints.
• Work with AWS infrastructure: S3, Lambda, EC2, EventBridge, DynamoDB.
• Implement security measures and handle data protection thoughtfully.
• Debug production issues, optimize performance, and keep systems running smoothly.
• Follow industry trends and bring new ideas to the table when it makes sense.

What we are looking for:

• Proven Python experience - real projects you've shipped, not just learned.
• Strong command of Django or FastAPI (ideally both).
• Solid grasp of OOP principles, design patterns, and how to apply them in practice.
• Hands-on experience building RESTful APIs and integrating web services.
• Comfortable working with relational databases (MySQL, PostgreSQL) and NoSQL (DynamoDB).
• English communication skills - B1 level.
• Ability to solve problems independently, write clear code, and communicate well with teammates.
• Takes responsibility for their work and doesn't need constant oversight.

Nice to have:

• Experience with AI prompting.
• Familiarity with LangChain or LangGraph.

Hiring stages: Recruiter screening → Test assignment → Skills assessment interview → Final culture fit interview.

What We Offer:

• Working hours aligned with US time zones, typically 16:00–00:00 Kyiv time.
• English lessons to support clear and confident communication.
• Paid vacation and sick days.
• Fully remote work.
• Opportunities for professional growth within the team.
• Structured, personalized onboarding to help you ramp up effectively.

Apply with your resume and a short note outlining your relevant experience. You can also send your resume through our website at comeback.ua. Selected candidates will be contacted by Come Back Agency.

Luxoft, a DXC Technology Company, is a digital transformation services and software engineering firm providing bespoke IT solutions that drive business change. In financial services we deliver complex projects with highly skilled engineering talents. If you would like to help us build engineering solutions that make difference for our global financial industry clients, this may be your opportunity. We are looking for C# engineers with experience in scalable system designs, to join the team developing a firm-wide Risk platform for our client US multinational investment bank. Working in this project will let you:
- learn more about financial markets, products and risks.
- verify and grow your skills in global diverse team.

• Responsibilities:

  - Design and develop software components for Equity Risk Platform built on C# and C++
  - Coordinate efforts with local developers and wider global team.
  - Do scalability and performance optimizations.
  - Manage the software development life cycle, from planning and prioritizing to testing and release.
  - Review, test and debug team members' code
  - Document development phases
  - Identify and analyze user requirements.
  - Selection of the most suitable solutions for creating a product
  - Compliance with deadlines

• Mandatory Skills Description:

  - 4+ years of hands-on experience using .Net technology stack and providing high-quality solutions.
  - Solid core .Net, multithreading, concurrency, design patterns.
  - Experience with SQL
  - Ability to apply modern security protocols and best practices.
  - Good delegation and time management skills
  - Problem-solving abilities
  - The ability to prove their point of view to the customer.
  - Excellent communication skills

• Nice-to-Have Skills Description:

  - C++ knowledge
  - Investment Banking experience

The daily quantum leap of technology development requires people to continually upgrade their skills to manage more complicated programs and devices. It consumes time and energy.

We work for simplifying the digital experience of people by making a wide range of functionally excellent IT products that are still intuitively usable. From the landing page for the one-time event up to the total automation of the business.

We work diligently and adequately because we value our and your time and energy.

If you share our principles — we will be pleased to work with You.

🚀 About the Project

Our client is rebuilding their core technology stack with a strong focus on Azure cloud infrastructure and .NET backend services.

Engagement model: Long-term outstaff collaboration

!Only for candidates located in Europe!

Your Responsibilities:

• Design, develop, and maintain backend data services using .NET and Azure;
• Build and maintain REST APIs for frontend interaction and external system integration;
• Participate in architectural discussions, technical documentation, and code reviews;
• Develop modules for managing production jobs, tasks, and floor instructions;
• Integrate with Microsoft Azure services and external platforms;
• Write unit and integration tests, maintain code quality;
• Work closely with the product team, business analysts, and QA engineers in an Agile environment;

• Participate in sprint planning, task decomposition, and estimation.

   

Required Skills & Experience:

• 4+ years of strong commercial experience with .NET backend development;
• Solid hands-on experience with Azure cloud infrastructure;
• Strong problem-solving skills in backend data processing and system optimization;
• Good communication skills and ability to work in a collaborative environment;
• Experience with MS SQL Server and writing efficient SQL queries;
• Solid understanding of RESTful API design principles;

• Upper-Intermediate English or higher — you’ll communicate directly with the client.

   

👉 What we offer:

📈 Professional Growth opportunities:

• Ambitious goals and interesting projects;
• Regular & transparent performance review and feedback process;
• Possibility for both vertical or horizontal growth (in case you want to try a different path).

🎁 Benefits program

• 18 working days of fully paid vacation;
• Free tax reporting support by our Financial department;
• Help with individual entrepreneurs’ questions and accounting support;
• Financial support and additional days off for various occasions (e.g. marriage, childbirth, etc.);

😌 Comfortable Working conditions

• Flexible working hours;
• Provision of required equipment;
• Remote working model.

Senior Java Engineer (Java + VoIP/WebRTC)

Required:

Senior Java Engineer, English B2+

Full-time, EU/Eastern Europe working hours

Location: Ukraine, Armenia, Poland, Eastern Europe

Duration: Long-term

Project Overview

A real-time communication platform requiring high-performance backend services, low-latency architecture, and deep integration with VoIP/WebRTC infrastructure and mobile applications.

Responsibilities

Design and develop high-performance backend services using Java and Spring Boot

Build and maintain real-time communication systems (WebRTC, VoIP, SIP)

Integrate backend systems with mobile applications (iOS & Android)

Work with streaming, signaling, and media servers

Ensure low-latency, high-availability architecture

Collaborate with cross-functional teams (mobile, frontend, DevOps)

Optimize system performance, scalability, and reliability

Requirements (Must-have)

5+ years of experience with Java (Spring / Spring Boot)

Strong experience with WebRTC protocols and architecture

Strong experience with VoIP / SIP / RTP / signaling servers

Experience integrating with iOS and Android applications

Solid understanding of real-time data streaming

Solid understanding of distributed systems and microservices architecture

Experience with cloud platforms (AWS / GCP / Azure)

Familiarity with Kafka / WebSockets / REST APIs

Nice to Have

Experience with Twilio, Agora, Vonage or similar RTC platforms

Experience with media servers: Kurento, Janus, FreeSWITCH, Asterisk

Knowledge of AI/voice processing / speech analytics

Background in telecom or communication products

Tech Stack

Java, Spring Boot, WebRTC, VoIP/SIP/RTP, Kafka, WebSockets, REST, AWS/GCP/Azure, Microservices

Hiring Process

Intro call

Technical discussion

Offer

Start: ASAP

GR8 Tech builds B2B iGaming platforms for operators who play to lead.

We deliver full-cycle, high-impact tech designed to scale — from seamless integrations and expert consulting to long-term operational support. Our platform powers millions of active players and drives real business growth. Call it what it is: the iGaming Platform for Champions.

With 1000+ GR8 people across locations and time zones, we don’t just ship technology — we help operators build success stories across brands, markets, and geos.
 

Our ambition drives us. Our people make it real.

If you’re a challenger in spirit and a champion in action — join us.
 

Why this role exists:

This role exists to build, evolve, and stabilize web platforms where performance, scalability, and reliability directly impact business outcomes.
You’ll help us ship and scale Node.js–based systems by owning backend and frontend components end to end — from design decisions to production delivery.
 

What you’ll drive:
 

Architecture & technical decisions

• Design and evolve backend and frontend architecture using Node.js and JavaScript.
• Apply architectural patterns (microservices, event-driven design) based on real constraints.
• Design systems with failure in mind, using resilience patterns like circuit breakers and rate limiting.

Delivery & execution

• Build, ship, and maintain backend services and web interfaces in production.
• Deliver new features end to end — from requirements to release.
• Optimize applications for performance, scalability, and reliability.
• Ensure high code quality through reviews, testing, and clean architecture.

Quality, testing & reliability

• Write and maintain unit, integration, and end-to-end tests.
• Improve test coverage and reliability of existing systems.
• Identify performance bottlenecks and drive optimization initiatives.
• Ensure secure coding practices and basic application security.

Collaboration & product delivery

• Partner with product managers, designers, and engineers to deliver business outcomes.
• Translate requirements into technical solutions with clear trade-offs.
• Contribute to planning, estimation, and iterative delivery in Agile environments.
• Share technical context and documentation with the team.

Team contribution & growth

• Mentor junior engineers and support technical growth within the team.
• Participate in technical discussions and continuous improvement initiatives.
• Stay current with modern JavaScript, Node.js, and web development practices.
   

What makes you a GR8 fit:
 

• 3+ years of commercial experience with Node.js and JavaScript.
• Strong knowledge of modern JavaScript (ES12+), async programming, and Node.js internals.
• Experience building RESTful APIs with NestJS, Express, Fastify, or similar frameworks.
• Solid understanding of web fundamentals: HTTP, browser rendering, SPA architecture.
• Experience with SQL databases, basic data modeling, and queries.
• Hands-on experience with testing (unit/integration) and CI/CD pipelines.
• Comfortable working independently and owning features end to end.
• Intermediate or higher level of English, fluent in Ukrainian or Russian. 
• Experience with Docker and basic Kubernetes concepts.
• Familiarity with event-driven systems and message-based architectures.
• Exposure to cloud platforms (AWS preferred).
• Experience with Webpack, module federation, and bundle optimization.
• Monitoring and performance tooling (Prometheus, Grafana, ELK).
   

Why you’ll love working here: 
 

Benefits Cafeteria — annual budget you allocate to:

Sports • Medical • Mental health • Home office • Languages.

Work-life & support

• Paid maternity/paternity leave + monthly childcare allowance.
• 20+ vacation days, unlimited sick leave, emergency time off.
• Remote-first + tech support + coworking compensation.
• Team events (online/offline/offsite).
• Learning culture with internal courses + growth programs.
   

Our culture & core values:

GR8 Tech culture is how we win — through trust, ownership, and a growth mindset. We move fast, stay curious, and keep it real, with open feedback, room to experiment, and a team that’s got your back.

FUELLED BY TRUST: we’re open, honest, and have each other’s backs.

OWN YOUR GAME: we take initiative and own what we do.

ACCELER8: we move fast, focus smart, and keep it simple.

CHALLENGE ACCEPTED: we grow through challenges and stay curious.

BULLETPROOF: we’re resilient, ready, and always have a plan.

About the Company

A Netherlands-based technology company developing a VPN service focused on secure, reliable, and high-performance internet access. The product is built with a strong emphasis on data privacy, system stability, and modern infrastructure.

The company is currently expanding its engineering team and forming a dedicated backend unit that will take ownership of core services and support further product development. The team follows modern development practices, including the regular use of AI tools in day-to-day work.

Role Description

We are looking for a Senior Laravel Engineer to join a long-term project and contribute to the development of a VPN platform. You will be involved in building new features, improving existing functionality, and working on scalable backend services.

In this role, you will collaborate with the Product Owner and team members, participate in architectural discussions, and help establish efficient development processes within a newly formed team.

Requirements:

- 6+ years of experience in backend development with a focus on Laravel
- Strong experience in using AI tools for development. Hands-on experience in regular daily work with an AI agentic development approach
- Proficiency in backend development using Laravel, including API design and integration.
- Solid understanding of MongoDB and MySQL databases.
- Experience with Nginx for server management and deployment.
- Familiarity with Traefik for managing reverse proxies and microservices.
- Experience with GitLab for version control, CI/CD, and collaborative workflows.
- Knowledge of Cloudflare for DNS management, security, and performance optimization.
- Strong problem-solving skills and the ability to work independently or collaboratively.
- Excellent communication skills, both written and verbal.

Responsibilities:

- Design and implement high-quality web applications using Laravel.
- Optimize application performance and scalability
- Design database schemas and manage data interactions using MongoDB and MySQL.
- Collaborate with cross-functional teams to define, design, and deliver new features.
- Ensure application security and performance, leveraging tools like Cloudflare.
- Write clean, maintainable, and testable code while adhering to industry best practices.
- Manage version control and CI/CD pipelines using GitLab.
- Troubleshoot and resolve application bugs and performance bottlenecks.
- Stay updated on emerging trends and technologies to continuously improve our platforms.
- Mentoring and guidelines for middle developers in the team.

Would be a plus:

- Experience in developing VPN services

What we offer

- Interesting and challenging tasks;
- Opportunity for growth and professional development;
- Competitive salary;
- Support in self-education and initiatives aimed at professional development (annual training budget);
- Flexible working hours;
- Transparent communication;
- Regular performance reviews;
- 18 working days of vacation, 10 paid sick leave days;
- Possibility to work remotely.

We are seeking a talented and experienced Python Developer to join our team. 

You will be working in a direction that is primarily focused on high-tech developments for the US client in the consulting and financial domains. All projects are aimed at optimizing business processes, ensuring maximum efficiency in work, and helping the client to automate and improve their internal processes. Our team specializes in the use of advanced technologies and, at certain stages of project development, actively utilizes the latest advances in artificial intelligence (AI) and machine learning (ML).  

Responsibilities: 

• Develop and maintain applications using Python, with a focus on integrating AI/LLM,  AWS GlueJobs/Azure Functions and other. 
• Design, build, and deploy machine learning models. 
• Implement ETL processes using AWS GlueJobs/Azure Functions to process and transform large datasets. 
• Collaborate with cross-functional teams to define, design, and ship new features and enhancements. 
• Optimize applications for maximum performance, scalability, and maintainability. 
• Troubleshoot, debug, and resolve software defects and issues. 
• Keep up-to-date with the latest industry trends and technologies to ensure the software is current and competitive. 
• Provide technical guidance and support to other team members. 
• Write clean, maintainable, and well-documented code. 
• Participate in code reviews and contribute to improving code quality. 

Requirements: 

• 3+ years of experience in software development using Python.  
• Hands-on experience with AWS services or Azure Cloud Platform 
• Strong knowledge of web services, API development, and RESTful APIs. 
• Proficient understanding of code versioning tools, such as Git. 
• Excellent problem-solving skills and attention to detail. 
• Strong verbal and written communication skills. 
• Knowledge of frameworks and libraries such as Pandas, FastAPI, SpaCy, etc. 

Preferred Qualifications: 

• Understanding of machine learning concepts, NLP, and LLM. 
• Experience working with other AI and NLP technologies, such as OpenAI's GPT family, Azure OpenAI, PyTorch or related. 
• Knowledge of containerization and orchestration technologies, such as Docker and Kubernetes. 
• Familiarity with agile development methodologies, such as Scrum or Kanban. 
• Intermediate or higher level of English. 

What we offer   

• Continuous learning and career growth opportunities 
• Professional training and English/Spanish language classes   
• Comprehensive medical insurance 
• Mental health support 
• Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more 
• Flexible working hours 
• Inclusive and supportive culture 

Our client is a leading provider of automotive services and digital marketing software, connecting the vehicle lifecycle from factory to scrapyard. They facilitate vehicle remarketing, logistics, and digital retail solutions for dealers, manufacturers, and fleet operators, specializing in defleeting, vehicle refurbishment, and electric vehicle (EV) infrastructure.

The new Marketplace is a next-generation platform that will unify vehicle remarketing across Europe. It represents a major step forward in delivering a scalable, multi-channel, and buyer-centric digital experience, while enabling OEMs, fleet clients, and dealers to operate more efficiently across borders.

Requirements
• Software Engineering background with hands on experience of .Net, AWS, Infrastructure-as-Code (Terraform), SQL & No-SQL databases and Event Driven systems.
• Experience working within fast paced teams, using Continuous Delivery and modern software Engineering practices.
• Demonstrable experience in delivering CLEAN code to a high standard, delivering software to an agreed specification and standard.
• Experience working with Product driven teams, adapting to changing demands of customers within a Lean / Agile environment.
• Experience of Test Driven Development (TDD).

Skills & Knowledge – Interpersonal and Non-Technical Skills
• Excellent interpersonal skills, verbal and written communication skills when working with both technical and non-technical stakeholders.
• Ability to articulate arguments well and is comfortable working with a wide range of stakeholders.
• A strong natural focus on what matters; delivering value and designing to minimise risk.
• Hands-on experience of working through the end-to-end project lifecycle within an Agile environment.
• The ability to work across multiple priorities in parallel and the ability to contribute to wider group strategies.
• Ability to work alone or collaboratively with minimal supervision.

The core tech Stack is emerging as follows:

• Could Platform: AWS
• IAC: Terraform
• Primary Compute: .NET 8 / Linux / Docker / AWS ECS

Elasticsearch (experience and how to query it effectively and how to ensure the index is modelled for performance)
• Worker Compute: AWS Lambda
• GraphQL – Apollo
• Databases: AWS DynamoDB
• Messaging: AWS EventBridge, SNS/SQS
• Web Experience: React
• Source Control: GitHub Enterprise
• CICD: GitHub Actions
• Observability: New Relic

Job responsibilities

• As a Senior Software Engineer, you will play a key role in the development of the New Marketplace website.
• You will work closely with cross-functional teams to deliver high-quality, scalable, and performant solutions that meet our users’ needs. If you are passionate about software development and have a strong background in .NET technologies, we want to hear from you.
• Delivery of Quality is a must, and you will pride yourself not only on your code but also all aspects of you work.

Job Description

• 4+ years of experience in Python
• 3+ years of hands-on experience with automation systems
• 1+ years of experience in some web framework (Fast API + React) as a plus
• Database development (MySQL, PostgreSQL, SQLAlchemy, Alembic, etc)
• Has exceptional skills in problem-solving and technical troubleshooting skills
• Not limited to other tools experience, but we require desire and ability to learn new tools:
• CI/CD pipelines on both GitLab and Jenkins
• Observability (Grafana, Prometheus, Otel, etc)
• Automation Framework (pytest/unittest, playwright/cypress/selenium)
• Server administration (Linux, SSH, Docker, Kubernetes, etc)
• Cloud services (AWS, GCP, Azure)
• AI tooling in day-to-day work to boost self-productivity (IDE assistants)
• AI tools implementation, integration into existing services to boost user's productivity (Embedding, Vector Database, LangChain, etc)

Job Responsibilities

• Develop and release new E2E automation support and tools
• Support and maintain existing automation tools and technology
• Debug issues to improve the quality of automated test tools and frameworks
• Conduct code reviews to improve code quality and optimization
• Mentor less experienced engineers and driving automation development

Department/Project Description

You will work cross-functionally with various engineering teams, using your finest automation expertise to help both FW developers and QA to create and deliver highest quality product that help in provide valuable end-user feedback to improve customer’s experience.

Skill Category

• Python

We are evolving very quickly and now we’re looking for active and motivated Back-end developer to join our friendly team. 

Required Technologies / Frameworks: 
NestJS
Socket.IO
Swagger
Mongoose
MongoDB
Docker

Requirements:
2+ years of software development experience;
1+ years of experience with Node.js and NestJS;
Strong understanding of OOP principles and modern development practices;
Experience with Git;
Willingness to learn and grow with new technologies.

Responsibilities:
Developing new features for our products;
Maintaining and improving existing services;
Working with APIs and integrations;
Ensuring code quality and compliance with standards.

We offer:
Comfortable office in center of the city;
Competitive salary based on experience;
Paid sick leave;
24 days paid holiday. 

Test task required for the position. 

Just send your CV!

As a Senior Backend Engineer, you will be an integral part of our agile development team, building and scaling production-grade backend services and APIs. You will collaborate closely with product, AI/ML, and engineering teams to design, implement, and ship robust features end-to-end, with strong ownership over code quality, performance, and reliability.
 

Key Responsibilities
 

• Develop and deploy backend services and APIs as part of an agile team.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure performance, quality, security, and responsiveness of backend systems.
• Maintain code quality, organization, automation, and engineering best practices.

• Contribute to system design and technical decision-making; mentor other engineers when needed.

   

Required Qualifications and Skills (Mandatory)
 

• 5+ years of software engineering experience (backend-focused).
• Strong proficiency in Python and backend development best practices.
• Strong hands-on experience with FastAPI for API development.
• Strong experience with database management (SQL and/or NoSQL).
• Strong experience with databases (schema design, queries, indexing, performance tuning).
• Solid understanding of software architecture, distributed systems basics, and modern engineering practices.
• Experience optimizing backend systems for performance, security, and resilience.
• Excellent problem-solving skills and a strong entrepreneurial spirit.
• Bachelor’s degree in Computer Science, Software Engineering, or a related field.

• English communication skills (written + spoken) — mandatory.

   

Desirable Skills
 

• Experience with CI/CD tools.
• Familiarity with Node.js.
• Experience with cloud technologies (AWS, GCP, Azure).
• Experience with pair programming and test-driven development (TDD).
   

About Us:

Entravel is a member’s club for discounted luxury travel and white-label hotel platform provider focusing on the crypto industry, backed by VCs and prominent European founders. Our hotel product is incredibly strong; we offer more than one million properties, and our rates are amongst the lowest in the world. In fact, on most 5* hotels you won’t find a platform with lower rates than Entravel.

What We’re Looking For:

We are actively seeking a talented and experienced Senior Backend Developer specializing in C# to join our dynamic team. As a key member of our development team, you will help architect and implement robust backend solutions that power our innovative hotel booking platform.

Core Skills:

• 5+ years of professional experience with C# and .NET Core (3.1–8).
• Strong understanding of asynchronous programming, LINQ, and dependency injection.

• Proven experience building scalable, distributed systems and microservices.

   

Databases:

• Proficiency with PostgreSQL (schema design, query optimization, migrations).
• Experience with MongoDB for document-oriented data models.
• Working knowledge of Redis for caching and distributed state management.

Messaging & Event Streaming:

• Hands-on experience with RabbitMQ for message queuing.
• Familiarity with Kafka for event-driven architectures and streaming data pipelines.

Monitoring & Observability:

• Experience integrating and using Kibana, Prometheus, and Grafana for logging, metrics, and alerting.

DevOps & Cloud:

• Strong understanding of Docker containerization and image optimization.
• Practical experience deploying and managing services on Google Cloud Platform (GCP) (e.g., GKE, Cloud Run, Pub/Sub, Cloud SQL).

General Engineering Practices:

• Deep knowledge of RESTful APIs and gRPC service design.
• Solid grasp of CI/CD pipelines and Git-based workflows.
• Commitment to clean architecture, unit testing, and code quality.
• Ability to mentor engineers and contribute to architectural decisions.

Soft Skills:

• Excellent problem-solving and analytical thinking abilities.
• Strong communication skills, able to collaborate effectively across teams in both English and Ukrainian.
• High sense of ownership, accountability, and responsibility for deliverables and system reliability.

Nice to Have:

• Experience with IaC tools (Terraform, Pulumi).
• Knowledge of performance profiling and application security best practices.
• Familiarity with domain-driven design (DDD) and event sourcing.

We offer:

• Flexible Start: Set your own comfortable working hours that accommodate your individual needs.
• Competitive Salary: High standards of remuneration reflecting your contribution and skills.
• Vacation: Enjoy 22 days of vacation for full rejuvenation and life enjoyment.
• Sick Leave: Ensure your health with 15 days of sick leave per year.
• Special Leave Cases: Support for significant life events such as weddings, childbirth, or the loss of a close family member.