Jobs Backend

About the Role 

We are looking for a strong technical leader to take ownership of production support for a B2B e-commerce platform. 

This role is focused on system stability, incident management, and technical coordination. New feature development is not part of the scope. 

Responsibility, leadership, and communication are top priorities. 

Requirements 

• Strong Python 3.x knowledge 
• Production experience with Django 
• Solid understanding of Django ORM and DRF Strong SQL skills and query optimization 
• Experience with PostgreSQL / MySQL / MS SQL Server 
• Solid understanding of OOP and SOLID principles 

• English level B2+ and higher 

   

Responsibilities 

• Ensure stability and reliability of the production system 
• Investigate and resolve incidents (root cause analysis) 
• Review and validate support-related code changes 
• Optimize backend performance and database queries 
• Coordinate the support team 
• Communicate with stakeholders regarding incidents and system status 
• Make technical decisions within the existing architecture 

Nice to have: 

• Celery / Redis Async programming 
• Experience with e-commerce or B2B platforms 

Important 

• English level B2+ and higher 
• High level of ownership and accountability 
• Ability to handle critical production incidents 
• Strong communication skills 
• Stress resilience

The Java + Basic DevOps Engineer is the primary L2 resolver for complex application incidents across the operations platform (fleet/routing) and driver management queues. This role handles issues that require code-level investigation, configuration changes, or deployment actions — escalated from L1 when KB articles are insufficient. Basic DevOps competency is required to support CI/CD pipelines, server-level operations, and AWS serverless infrastructure troubleshooting.

Responsibilities

· Investigate and resolve complex application incidents (fleet operations platform, driver management apps)

· Perform code-level debugging, configuration changes, and minor fixes (up to 80 engineering hours)

· Execute and validate deployments to production and non-production environments

· Conduct RCA for escalated tickets; document findings and update KB articles in ServiceNow

· Monitor CI/CD pipelines (Tier 1) and perform remediation (Tier 2)

· Handle AWS serverless infrastructure issues: Lambda failures, DynamoDB anomalies, RDS connectivity

· Support server and service restarts, log-level diagnostics, and environment health checks

· Participate in weekend release activities (several times per year)

Required Technical Skills

· Java: SpringBoot, JBoss — read stack traces, identify root cause, apply fix or workaround in production

· Databases: Oracle 11g, MS SQL Server — diagnostic and fix queries, stored procedures

· AWS: Lambda, RDS, S3, DynamoDB, Kinesis, CloudWatch — hands-on troubleshooting

· DevOps basics: GitLab CI/CD, Docker — pipeline status review, deployment execution, rollback

· Observability: Datadog — log search, alert triage, service map navigation

· OS: Linux — log reading, service management, basic shell scripting

· ITSM: ServiceNow — ticket management, work notes, SLA-aware escalation

Nice to Have

· Node.js / JavaScript (back-end components)

· Kubernetes basics

· Android/iOS mobile app support experience

Who we are 

We are a Ukrainian multiproduct company for more than 500.000 clients from 120 countries.

Since 1997, we have been streamlining data workflows for professionals and teams with our intuitive and efficient software products. We’re committed to enhancing our customers’ experience across the globe by minimizing data-related tasks and enabling them to focus on more inspiring goals. Whether it’s Fortune-100 companies or individuals, we provide a customer-centric approach, delivering high-quality solutions and exceptional support.

Product that needs your engagement 

Mobion is a cloud-based white-label platform for ride-hailing and corporate transport services. Launched in 2016 by Devart, it supports operators in 6+ countries and has handled over 20 million rides for 4M+ users and 500K drivers.

Our ecosystem includes rider and driver apps, a real-time dispatch system, admin dashboards, and branded web portals — all backed by a secure, scalable Azure infrastructure. We offer both SaaS and franchise models to help partners grow fast across regions.

Your future team of professionals 

You will become part of a dynamic Mobion Backend Team, where we value ownership, curiosity, and collaboration. The team consists of three Backend Developers and shares a strong feedback culture and growth mindset — we don’t just build features, we solve real problems.

Impact you will make 

This role focuses on building scalable, reliable, and high-performance backend solutions for white-label and SaaS platforms. You will be responsible for designing, developing, and maintaining server-side systems, ensuring smooth integration with client applications and third-party services.

• Implement new technologies and engineering practices to optimize development processes and improve product quality.
• Define and maintain the overall system architecture, establish design patterns, and ensure technical decisions align with business objectives.
• Design, develop, and maintain scalable and secure APIs.
• Optimize database queries and improve overall system performance.
• Monitor, analyze, and proactively improve system reliability and performance.
• Investigate, troubleshoot, and resolve production issues in a timely manner.
• Enhance and maintain CI/CD pipelines and deployment processes.
• Provide mentorship, technical guidance, and coaching to team members.

Skills we are looking for 

• 5+ years of experience in backend development using Node.js.
• Experience working with SQL and NoSQL databases, including schema design and query optimization.
• Solid understanding of API design and hands-on experience with API integration (RESTful services).
• Experience using version control systems, particularly Git.
• Familiarity with project management tools, such as Jira or similar.
• Experience with cloud platforms and application deployment (AWS, GCP, Azure, or equivalents).

Benefits you get

• Maintain your work-life balance

Manage your own working hours with our flexible schedule

19 days of annual vacation granted on a pro-rata basis

No overtimes required

• Hybrid type of cooperation

Whether you prefer to work remotely in the comfort of your home office or from one of our 4 offices, you can still take part in increasing the world`s awareness about quality Ukrainian products from any part of the world

• Stay healthy

Medical insurance from one of the top insurance companies in Ukraine with a wide range of included services, as well as special programs for relatives; and special options for those who live abroad.

15 working days of sick leave per year — because your health is a priority.

• Grow with us

In-house English courses — increase your proficiency through our online courses and speaking clubs with a native speaker

Online learning activities — workshops, lectures, and webinars to enhance your leadership, management, and self-awareness skills

Experience exchange — we are proud of our team of professionals who gladly share their deep expertise in all kinds of fields with the rest of the team

Promotions, rotations, and transitions — when you believe your skills could benefit a different role or team.

• Stand with Ukraine!

We have an active pro-Ukrainian position, and that means we help our army, our servicemen, and their families not only through constant donations and volunteering, but also through our military leave policy, special health insurance options, and financial help

We are a perfect match if you share our values

We are professionals in our field.

We know how to turn up our professionalism to the maximum, because we are experts who enjoy solving complex tasks.

We know how to focus on the product, think big, and at the same time delve deep into the details.

We create a calm and friendly atmosphere within the company.

We value the freedom of open and transparent communications.

Radical honesty is embedded in the foundation of our culture.

We are open to new things and constantly develop and practice regular knowledge sharing, which helps us evolve continuously.

Most importantly, the company creates an environment where we can fulfill our potential upon a solid foundation.

Our Hiring Process

• Recruitment Interview
• Technical Interview
• Management Interview
• Offer Call

We strive to ensure transparency and openness in the hiring process, and we understand the importance of providing timely feedback. If your resume meets the job requirements, we will contact you to clarify details and schedule an interview within 2 weeks after your application is submitted.

The timeframe for feedback between interview stages may take up to 2 weeks.

We are looking for a C# developer to join the team. The company needs him to transform business ideas and requirements into working software solutions: he creates and maintains .NET-based software, integrates systems and automates processes, ensuring product stability and scalability, and the main result of his work is high-quality, reliable and efficient software that brings value to the company and satisfies user needs.

Focus of this role:
• Developing new functionality in C#/.NET Supporting and optimizing existing systems;
• Integrating internal and external systems, APIs;
• Automating business processes;
• Ensuring software stability and scalability;
• Adhering to code and architecture standards.

What you are personally responsible for: 
• Quality and performance of C#/.NET code;
• Stability and productivity of developed modules and services;
• Compliance with architecture standards and internal guidelines;
• Documentation of technical solutions and processes;
• Timely completion of tasks within sprints/projects;

What they actually influence:
• Reliability and scalability of the company's software;
• Speed and efficiency of business processes through automation;
• Technical culture of the team (code review, standards, best practices);
• System integration and technical architecture consistency;
• User satisfaction with stable product performance.

Translated with DeepL.com (free version)

We offer:

Career development: vertical and horizontal growth, specialized courses, training, technical exchange, and participation in strategic projects.
Security and stability: reservation of military-duty employees from the first month.
Official employment and social guarantees: vacation, sick leave, full social package.
Legal support: consultations and assistance with military registration issues.
Adaptation: high-quality onboarding with mentoring support and gradual involvement in project activities.
Comfortable conditions: corporate catering, recreation areas, a friendly atmosphere, and a well-equipped shelter on the office premises.
Convenient location: 10 minutes' walk from the metro.

About the company

codeIMPL was launched in 2018 with a large knowledge and experience in mobile development.
Since that we help businesses and individuals establish their presence on any modern device and
platform — mobile, web, etc.

Our clients are large worldwide companies, that develop important and significant solutions in
FinTech, Blockchain, DeFi, Health & Fitness, Gambling domains.
In codeIMPL we use modern, innovative technologies and approaches that allow us to support any
solution and provide the foundation for its future scaling and enhancement.

About the product
Project: fintech, payment system.

Responsibilities
● Develop and maintain asynchronous backend services (FastAPI, ARQ, service-oriented and
microservice applications).
● Write clean, testable, and maintainable code.
● Participate in design discussions and suggest improvements to performance and developer
experience.
● Collaborate openly with backend, frontend, DevOps, and product teams.

Requirements
● 3+ years of hands-on experience with Python (asyncio, typing, pydantic);
● Solid experience with SQLAlchemy 2.0 and Alembic;
● Proficiency in writing unit and integration tests (Pytest/Unittest);
● Hands-on experience with FastAPI and async task processing (ARQ/Celery/RQ);
● Database skills: PostgreSQL (indexes, transactions, RLS). Knowledge of
TimescaleDB/ClickHouse is a plus;
● Experience in database query optimisation (EXPLAIN, keyset pagination, batching);
● Understanding of idempotency and outbox/event sourcing principles;
● Experience with Docker, docker-compose, local environments;
● Basic knowledge of Kubernetes and AWS (SQS, RDS, S3) is a plus;
● Hands-on experience with creating and supporting PCI DSS compliant applications is a plus;
● Experience in creating skills, commands and agents for Claude AI is a plus;

● Understanding of observability (structured logs, traces, metrics).

We offer:
● Full-time remote job;
● Paid annual leave;
● Work with professional team and friendly atmosphere;
● Minimum of bureaucracy.

We're looking for an experienced Tech Lead to join our team of amazing specialists for innovative fintech project. 
This role will oversee all backend development team, be responsible for our backend stack and contribute to overall product technical vison.

Requirements

• 3+ years of experience in a Team Lead / Tech Lead role
• 3+ years of experience in FinTech domain or payment integrations
• Strong expertise in PHP and Laravel
• Deep understanding of DDD (Domain-Driven Design)
• Solid experience with PostgreSQL and Redis
• Understanding of security best practices, deployment processes, and SAST tools
• Experience working with Agile / Scrum methodologies
• Ability to read and communicate in English (В2)

Responsibilities

• Provide technical leadership for the backend development team
• Design and maintain backend architecture
• Establish and maintain technical processes (code review, SAST, CI/CD practices)
• Ensure high code quality and test coverage
• Participate in architecture and technical design decisions
• Provide technical support during product planning
• Conduct technical interviews
• Support technical resource planning within the team

Nice to have

• Experience with AWS / Amazon Cloud stack
• Previous experience working on FinTech products
• Experience leading distributed teams

B2B E-commerce | Production Support

About the Role: 
 

We are looking for a strong technical leader to take ownership of production support for a B2B e-commerce platform. This role is focused on system stability, incident management, and technical coordination. New feature development is not part of the scope.

Responsibility, leadership, and communication are top priorities.

Requirements: 

-Strong Python 3.x knowledge

-Production experience with Django

-Solid understanding of Django ORM and DRF

-Strong SQL skills and query optimization

-Experience with PostgreSQL / MySQL / MS SQL Server

-Solid understanding of OOP and SOLID principles

-English level B2+ and higher

Responsibilities:

-60% hands-on support / 40% coordination support team

-Ensure stability and reliability of the production system

-Investigate and resolve incidents (root cause analysis)

-Review and validate support-related code changes

-Optimize backend performance and database queries

-Communicate with stakeholders regarding incidents and system status

-Make technical decisions within the existing architecture

Nice to have:

-Celery / Redis 

-Async programming

-Experience with e-commerce or B2B platforms

Important:

-High level of ownership and accountability

-Ability to handle critical production incidents

-Strong communication skills

-Stress resilience

On behalf with our customer we are seeking for Team Lead (backend-focused) to join our global R&D department.
 

Our customer is an innovative technology company led by data scientists and engineers devoted to mobile app growth. Their proprietary ad platforms powered by machine learning are the outcome of that devotion.
They reward talents, employees support each other to advance individually and as a team.

Responsibilities:

• Design, code, and manage large scale, highly available, real-time (low latency) services using cutting edge technologies (Node.js, React, Redis, Kubernetes, etc. over AWS).
• Lead and mentor a team of around 4 members, abroad, and performing code reviews to other team members.
• Work with stakeholders including the Executive, Product, Data, and Design teams to craft the most optimal solutions for our problems. 
• Design and develop APIs or integrate with 3rd party APIs.
• Manage a time-efficient sprint plan. Plan, groom and manage the present sprint and the upcoming ones with Product.
• Understand and implement security and data protection needs, and assist in-house teams and supply creative solutions for various problems.
   

Requirements:

• 6+ years of coding experience in Backend (NodeJS is preferred) 
• 3+ years of management experience
• Working knowledge with SQL and NoSQL databases
• Working with one of the cloud providers: AWS, Google, Microsoft
• Experience in the software life cycle and knowing how to work in an agile environment
• Can-do attitude, self-sufficient, capable of learning alone and good English
  
  Conditions
  ● Working schedule Sunday-Thursday - must have
  ● Accounting support & consultation
  ● Opportunities for learning and developing on the project
  ● 20 working days of annual vacation
  ● 5 days paid sick leaves/days off; state holidays
  ● Provide working equipment
•  

About the role:

We’re looking for a hands-on Python Engineer to take ownership of production support for a B2B e-commerce platform.

This is not a feature development role - the focus is on support, troubleshooting, and system stability.

The role combines:

• ~60% hands-on ticket resolution
• ~40% coordination and client communication

You’ll be working closely with a distributed team and directly with the client.

What you’ll do:

• Resolve support tickets and production issues
• Investigate incidents and perform root cause analysis
• Make small fixes in the existing Django codebase
• Ensure system stability and reliability
• Help distribute and prioritize tickets within the team
• Support teammates when they are blocked
• Communicate with the client regarding issues and progress

 What we expect:

• 2+ years of experience with Python (Django)
• Understanding of Django ORM / APIs
• Working knowledge of SQL
• Experience with production support / troubleshooting
• English B2+ (you’ll communicate with the client)
• Strong communication skills and ownership

Important:

• English level B2+ and higher
• High level of ownership and accountability
• Ability to handle critical production incidents
• Stress resilience

We are a U.S.-based fintech startup operating in the investment and financial services space. Our distributed teams work across Poland, the United States, and Ireland, collaborating on technology-driven solutions related to stocks and investments.

Security, compliance, and the responsible handling of sensitive financial data are central to how we operate, as we build scalable products in a regulated environment.

Responsibilities

- Develop high-quality Java microservices using Spring Boot.
- Build Kafka producers, consumers, and stream-processing apps.
- Design event-driven architectures with reliability and performance.
- Implement service resiliency patterns such as retries and circuit breakers. - Collaborate on distributed system design and integration.

• Ensure logging, tracing, and monitoring of backend services.

• Support performance tuning and root cause analysis.

   

• Skills
  - Strong in Java, Spring Boot, microservices patterns.
  - Hands-on Kafka development—streams, partitions, consumer groups. - Knowledge of distributed systems architecture.
  - Familiarity with Docker, cloud-native packaging.
  - Experience in REST APIs, schema evolution, and contracts.
  - Understanding of observability (logs, metrics, traces).
  - Good debugging and performance optimization skills.

For this role the client requires the candidate to have been based in Poland for 2+ years

We build B2B SaaS platforms for logistics, manufacturing, and wholesale companies. Most of our work involves IoT, ERP/OMS integrations, and cloud-native architectures on AWS. Our main backend language is Java. We are an AWS Select Tier Partner.

What you'll work with: 

- Java 21 (Java 17 floor — we don't run anything older in production) 

- Spring Boot, Spring Data, Spring Web, Spring AOP 

- AWS (Lambda, ECS, IoT Core, DynamoDB, S3, API Gateway, RDS) 

- Microservices where they earn their keep, monoliths where they don't - A team of engineers who actually read your PRs 

- The IDE of your choice

Responsibilities: 

- Design and implement components of production B2B systems 

- Design and implement REST APIs consumed by web, mobile, and edge devices 

- Write unit and integration tests (not optional, not an afterthought) 

- Review code from teammates

Requirements:
- Strong Java 17+ (concurrency, streams, records, pattern matching) 

- Solid Spring Boot and Spring ecosystem experience 

- Data structures and algorithms fundamentals 

- SQL (query writing, indexing basics, understanding execution plans) 

- Git, Maven or Gradle 

- Comfortable in a Linux shell (not "I once used Ubuntu") 

- Good spoken and written English — you'll talk to customers

Nice to have: 

- AWS experience (we cover certification costs, so this is learnable) 

- IoT / edge computing exposure 

- Experience with ERP, OMS, WMS, or accounting system integrations 

- Docker, basic CI/CD

Benefits:
- We pay for AWS and other relevant certifications

- Fully remote

- Zero expectation that you'll respond to Slack at 23:00

We DON'T have:
1. Corporate bullshit
2. Bureaucracy for its own sake
3. HRs, People Partners, Happiness Managers, Wellbeing Coaches (see point 1.)
4. Java 8
5. <Ask me during the interview about this, you are going to like it>

Interview process: 

1. Brief intro (5 minutes)

2. Techincal interview (55 minutes)

Topics we usually cover:

- Data structures and algorithms basics. You won't be sorting anything, at least at this stage

- Network protocols basics (application, and transport levels)

- Data encryption basics (encryption, approaches, digital signatures, popular algorithms)

- Java (language basics, concurrency, streams, features from recent releases)

- English (you will have to answer some of the questions in English, so we understand you can communicate with English-speaking colleagues if needed)

- Databases (SQL basics)

- Working in a team (version control, peer reviews)

- Your past experience

About AgileVision.io
We build SaaS from scratch for B2B clients, mostly in logistics and manufacturing. AWS Select Tier Partner. Most of our team is AWS-certified and we pay for it. If you want to see the kind of work we do, our case studies are at agilevision.io.

Who we are:

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries. 

About the Product: 

Over the past few years Coro has received $175M in funding and is one of the fastest growing Cybersecurity companies in the world. The funding is primarily being used to enhance the Coro Cybersecurity SaaS platform and for additional headcount growth, as Coro continues to expand globally.   

Coro started in Tel-Aviv, Israel and is also headquartered in Chicago, IL with additional offices in New York, London, and remotely across the globe. As a global organization, Coro gives you the ability to work with people and teammates from around the world. 

Coro’s AI enabled Modular Cybersecurity Platform is the only one in the industry specifically designed to provide Mid-Market customers with scalable and affordable “enterprise grade” protection for all of their priority threat vectors. 

About the Role: 

This is a hands-on role for a Senior Backend Engineer who wants to work on meaningful, large-scale backend systems. You’ll design, build, and maintain backend services in Java and Spring, contributing across all stages of the software development lifecycle.

The role is expected to be within Coro’s Platform and AI team, where engineers work on backend services and internal product infrastructure, with a focus on improving existing systems, supporting refactoring and migrations, enhancing event-processing flows, and contributing to the scalability and reliability of backend components.

If you’re looking for a role where you’ll solve complex engineering challenges, work with modern backend technologies, and have a direct impact on production systems — this is the role for you.

Key Responsibilities: 
 

• Design, implement, and maintain backend services that are reliable and scalable
• Contribute to system architecture and participate in design reviews
• Improve existing services through refactoring, optimization, and migration work
• Ensure high-quality code and take ownership from development through production support
• Collaborate with cross-functional team members (product, QA, frontend) to deliver features end-to-end
• Apply best practices in software engineering, including concurrency and performance optimization
• Actively participate in agile ceremonies and contribute to continuous improvement of team processes

Required Competence and Skills:
 

• 6+ years of backend/server-side development with Java
• Strong hands-on experience with Spring
• Practical experience with MongoDB
  Deep understanding of multithreaded programming and concurrency
• Solid knowledge of OOP concepts and design patterns
• Experience with cloud-native environments (preferably AWS)
• Experience working with high-load systems and microservices architecture

Nice to have:
 

• Experience with Redis and RabbitMQ
• Experience with Elasticsearch/OpenSearch 
• Experience working on AI-related product features and internal tools
• Background in cybersecurity

Why Us?

We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in).

We provide full accounting and legal support in all countries we operate.

We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

We offer a highly competitive package with yearly performance and compensation reviews.

Our Customer:

This opportunity is with an innovative product company building advanced AI-powered solutions for large-scale video analysis. The platform processes massive volumes of visual data and transforms them into meaningful insights using a combination of Computer Vision, machine learning, and scalable cloud infrastructure.

The team operates at the intersection of research and engineering, creating systems that are not only intelligent but also production-ready. The environment is fast-paced and focused on continuous experimentation, where adopting new AI tools and approaches is part of everyday work.
 

Your tasks:

• Design and develop advanced Computer Vision and Machine Learning algorithms using Deep Learning approaches
• Work with large-scale datasets to extract insights, detect patterns, and build predictive models
• Build, scale, and maintain infrastructure for integrating and running algorithms in production
• Deploy and manage AI/ML solutions in cloud environments
• Own the full lifecycle of solutions: from research and prototyping to implementation and optimization
• Develop and support backend systems, cloud infrastructure, and DevOps processes
• Continuously explore and adopt new AI tools, models, and workflows to improve efficiency and results
   

Required experience and skills:

• 8+ years of commercial software development experience
• 4+ years of hands-on experience with Python
• Hands-on experience with building, scaling, and maintaining infrastructure for AI/ML systems
• Experience with deploying models and services to cloud environments (AWS, GCP), including CI/CD pipelines
• Understanding of containerization and orchestration (e.g., Docker, Kubernetes or similar tools)
• Strong hands-on experience with PyTorch and/or TensorFlow
• Deep expertise in Computer Vision, especially in video data processing
• Proven experience working with large datasets and building analytical or predictive models
• Experience with Big Data tools such as Spark, PostgreSQL, Elasticsearch, or Redis
• Ability to work independently and take ownership of complex solutions from idea to production
• Strong interest in AI and continuous learning, with readiness to quickly adopt new technologies
• English — Upper-Intermediate or higher
   

Would be a plus:

• Experience with Generative AI and modern LLM/VLM ecosystems
• Hands-on experience with advanced AI models and tools
• Experience with Computer Vision libraries such as OpenCV
• Familiarity with AI-assisted development tools and workflows
• Experience working in product or startup environments

International company is searching for a couple of Senior Python Developers into a complex, enterprise-level project: SaaS, which allows multiple functions for sustainability & operational risk management on high-risky industries (oil and gas gathering, chemical, energy etc). Interesting project with cutting edge technologies, distributed team, full-time, an official contract. Remote work, flexible schedule according to CET. Poland only.

Position Overview:
We are looking for a couple of Senior Python Developers (frontend-end skills considered as a plus). This role is ideal for someone who thrives in building scalable, high-quality applications and possesses strong English communication skills. A crucial aspect of this position is the ability to work within cross-functional squads, collaborating closely with team members across various disciplines to deliver innovative solutions.

Tech Stack:

• Backend: Python, Django + SQLAlchemy, Celery + RabbitMQ, OpenAPI
• DB: PostgreSQL, Redis
• CI/CD: GitHub Actions, Azure Pipelines
• Infrastructure: k8s+Terraform, Azure, Heroku, GCP

Key Responsibilities:

• Design, develop, and maintain applications collaborating within cross-functional squads: engineers, designers, product managers
• Actively participate in squad meetings to define, design, and ship new features, ensuring alignment with project goals and timelines
• Ensure the performance, quality, and responsiveness of applications, leveraging cross-functional expertise to address complex challenges
• Identify bottlenecks, fix bugs, and contribute to improving code quality and test automation within a team-oriented environment
• Collaborate with the team to share knowledge and foster a culture where everyone can learn and grow together
• Keep abreast of emerging trends and technologies in web development, sharing knowledge and insights with cross-functional teams to drive innovation
• Knowledge of TDD and DDD

Qualifications:

• 7+ years of backend experience in any of the following languages Python, Java, C++, C#, Rust, Ruby, Go
• Comprehensive understanding of the web development process: design, development, deployment, and maintenance
• Exceptional problem-solving skills and attention to detail
• Experience with Agile development methodologies
• Skills to plan, track, and ensure timely delivery
• Strong English communication and interpersonal skills to effectively collaborate within squads
• Bonus: Frontend development experience, with proficiency in React with Typescript
• Bonus: Capable of managing development projects from conception to completion

Our Values:

• Customer-centric: We are focused on the customer in everything we do
• Action-oriented: We demonstrate a bias to action
• Collaborative: We recognize that the best ideas come from the exchange and sharing of ideas between individuals and teams
• Accountable: We deliver on commitments and have ownership of results
• Innovative: We challenge ourselves to develop creative solutions to problems

Work conditions:

• Distributed team, remote work.
• Kanban or scrum approach, 5-6 team members / team.
• Full-time (40 hours per week), CET business hours. Poland only.
• Official contract: salary, sick-leave days, holidays, vacations.

Hiring process:

• Step 1 - preliminary interview (main questions) - 30 mins
• Step 2 - internal tech interview (tech questions) - 40-50 mins
• Step 3 - tech interview with team leader and architect - 1 hour

Looking for a full-stack developer for a long-term project with an EdTech platform that has been operating for 15 years and has thousands of active users. 

The team is small: a tech lead, a frontend/payments developer, and a QA engineer. You will own tickets end to end - from reading to deploy - without hand-holding.

Stack: Ruby on Rails, Next.js, React, PostgreSQL, Nginx, Docker, Tailwind CSS, Render.

Requirements:

• 2-5 years of experience with Ruby on Rails and React/Next.js
• Experience deploying to managed PaaS platforms (Render, Vercel, Railway, or similar)
• AI-native workflow: you use Cursor, Claude, Copilot, or similar tools daily
• Strong async communication, clean PRs, questions before starting, not after shipping
• Russian or Ukrainian language for team communication

Conditions: remote, 30+ hrs/week, $25-40/hr, 6+ months with potential to go full-time.