Jobs Backend

CrunchCode — міжнародна сервісна ІТ-компанія з досвідом близько 7 років у розробці вебсервісів і вебзастосунків. Ми працюємо у форматах staff augmentation (outstaff) та outsourcing і підключаємо спеціалістів до проєктів клієнтів у довгостроковій моделі співпраці.

Ми працюємо переважно з проєктами в доменах логістики (включно з last mile),e-commerce, fintech та банкінгу, а також enterprise-рішеннями.
Для нас важливо, щоб проєкт був “чистим” і зрозумілим з точки зору етики та цінності для користувачів.

Ми принципово не беремо проєкти, пов’язані з:
● gambling / гемблінгом,
● adult-контентом та порнографією,
● шахрайством або будь-якою розробкою, що спрямована на обман чи маніпуляції.

What We Offer:
● Fully remote work
● Long-term, stable project
● High level of autonomy and trust
● Minimal bureaucracy
● Direct impact on business-critical logistics systems
● Long-term engagement, not a short-term contract.

Project Overview:
Product at the intersection of AI technologies and analytics. Diverse tasks spanning AI module development, BI tooling, integration architecture, and data workflows. The client values proactive specialists who can take ownership and help structure engineering processes.

Tech Stack
Ruby on Rails, React, AI dev tools (Cursor, Claude, Copilot), BI/Analytics tooling

Requirements (Must-have):
- Strong production experience with Ruby (on Rails)
- Strong production experience with React (hooks from scratch, comfortable without IDE)
- Demonstrated leadership and proactive approach to structuring processes
- AI-native workflow: daily use of Cursor, Claude, Copilot or similar tools
- English B2+ for direct client communication
- Full-time, long-term availability from EU or Ukraine

Responsibilities:
- Lead full-stack development across Ruby backend and React frontend
- Drive architecture decisions and contribute to engineering process structure
- Develop and maintain AI modules and BI tools
- Build and own integration systems and data workflows
- Mentor and support middle-level engineers
- Communicate directly with the client in English on a daily basis

Nice to Have:
- Experience with BI tools and analytics platforms
- Background in AI/LLM-integrated products
- Experience in async remote teams

Hiring Process:
- Intro call
- Technical discussion
- Offer
Start: ASAP
Duration: Long-term

A potential invitation to potential minds!

4K-Soft is People. People are most important to us. People are at the heart of every connection we build. Come and join 4K-Soft, where human minds come together to pave the way for the future. We offer a variety of full-time jobs, training programs and internships. Only imagine, how you can help our company and start your career with 4K-Soft!

We are looking for a Middle FullStack Web Developer.

What we expect from you:
English level: B2 or higher
Experience: 3+ years working with Node.js and React

We offer:

Competitive level of remuneration

Convenient work schedule, paid vacation and sick leaves

The opportunity to grow professionally by participating in the implementation of interesting and complex projects, as well as showing personal initiative.

We’re looking for a Senior Azure Integration Services Engineer / Architect to design and deliver scalable integration solutions within the Azure Integration Services ecosystem. This role is ideal for someone who combines deep technical expertise with the ability to take ownership.

You’ll work closely with customers, architects, and delivery teams to design and implement integrations that connect business-critical systems in a secure, reliable, and maintainable way.

What You’ll Do

• Design, build, and maintain integration solutions using Azure Integration Services
• Architect and implement workflows with Logic Apps and Azure Functions
• Design and manage messaging solutions using Azure Service Bus and Event Grid
• Build data integration and transformation pipelines using Azure Data Factory
• Translate business and technical requirements into scalable integration architectures
• Ensure reliability, performance, security, and observability of integration solutions

What We’re Looking For

• 5+ years of professional experience in software development or integration engineering
• Strong hands-on experience with Azure Integration Services, including:
  • Logic Apps
  • Azure Service Bus
  • Event Grid
  • Azure Functions
  • Azure Data Factory
• Experience designing end-to-end integration architectures
• Solid understanding of messaging patterns, APIs, and event-driven architectures
• Ability to work independently and take ownership of technical delivery
• Experience working directly with clients or stakeholders
• Strong problem-solving and analytical skills
• Good English communication skills

Nice to Have

• Experience with API Management (APIM)
• Knowledge of B2B integrations (EDI, XML, JSON, REST, SOAP)
• Experience with Azure DevOps, CI/CD, and Infrastructure as Code
• Understanding of security and identity in Azure (Entra ID, managed identities)
• Azure certifications (Integration, Architecture, or Developer)

CrunchCode — міжнародна сервісна ІТ-компанія з досвідом близько 7 років у розробці вебсервісів і вебзастосунків. Ми працюємо у форматах staff augmentation (outstaff) та outsourcing і підключаємо спеціалістів до проєктів клієнтів у довгостроковій моделі співпраці.

Ми працюємо переважно з проєктами в доменах логістики (включно з last mile),e-commerce, fintech та банкінгу, а також enterprise-рішеннями.
Для нас важливо, щоб проєкт був “чистим” і зрозумілим з точки зору етики та цінності для користувачів.

Ми принципово не беремо проєкти, пов’язані з:
● gambling / гемблінгом,
● adult-контентом та порнографією,
● шахрайством або будь-якою розробкою, що спрямована на обман чи маніпуляції.

What We Offer:
● Fully remote work
● Long-term, stable project
● High level of autonomy and trust
● Minimal bureaucracy
● Direct impact on business-critical logistics systems
● Long-term engagement, not a short-term contract.

Required:
Middle Full-Stack Developer, Russian or Ukrainian speaker
Part-time to Full-time, UTC+2 (30-40 hrs/week)
Location: Any (UTC+2 preferred)

Tech Stack
Ruby on Rails, Next.js, React, AI dev tools (Cursor, Claude, Copilot)

Project Overview
Established EdTech platform with 15 years on the market and 100,000+ students. Small async team building and maintaining a production-grade learning platform. Long-term engagement with a focus on autonomy, clean code, and AI-native development workflows

Requirements (Must-have):
- 3+ years of production experience with Ruby on Rails — mandatory
- 3+ years of production experience with Next.js — mandatory
- Strong React hooks knowledge, comfortable coding without IDE
- AI-native workflow: daily use of Cursor, Claude, Copilot or similar tools
- Russian or Ukrainian speaker
- Availability 30-40 hours/week, UTC+2, long-term commitment

Responsibilities:
- Develop and maintain full-stack features across Rails backend and Next.js frontend
- Build and support React components from scratch without IDE dependency
- Collaborate asynchronously with a small cross-functional team
- Contribute to product improvements and technical decisions
- Write clean, maintainable, production-ready code

Nice to Have:
- Experience in EdTech or subscription-based products
- Experience working in async remote teams

Hiring Process:
- Intro call
- TestDome proctored test (~1 hour)
- Technical discussion
- Offer
Start: ASAP

Candidates must be prepared for a ~1 hour proctored TestDome assessment as part of the hiring process.

Quintagroup is looking for Senior Python Developer to join a leading European fintech product company. 

Technology stack: Python 3.11, Django 4.2, Postgres, AWS (EventBridge, Lambda, ECS, RDS, DynamoDB etc.), Docker, Pandas, Polars, Terraform

RESPONSIBILITIES:

• development with Python, AWS
• participation in planning and execution stages
• communicate with international (UK/UA/US) development team and CTO 

REQUIREMENTS

• 5+ years of experience with Python
• Experience with AWS and Python frameworks
• Able to work in a team-oriented, collaborative environment
• Ability to share knowledge

Customer methodologies and tools

• Scrum (2 week sprints)

Senior Python Developer - Project tech stack:

• Python
• AWS

WE OFFER:

• Long term projects
• A company with a specialization in Python development for the last 22 years
• Health insurance
• Different work models (remote, office, or hybrid remote/office options)
• Projects in AWS, Azure, GCP
• Different domains of projects: FinTech, EdTech, GovTech, IoT, e-commerce, marketplaces, e-auctions, e-learning, public procurement, interesting tasks, possibilities for career and professional growth
• Friendly atmosphere and good working conditions
• regular team-buildings and corporate parties
• Online English classes
• Flexible working hours
• Experience with new technologies

We are looking for an experienced Senior Back-end (Node.js) developer with 5+ years of professional experience to join our enterprise-level project for a client from Canada.

This role focuses primarily on back-end architecture and API development using Node.js, while working closely with a front-end React team and other engineers.
 

Requirements
 

Must have

• 5+ years of experience in back-end or full-stack development
• Strong expertise with Node.js
• Proficiency with JavaScript and TypeScript
• Experience designing and building scalable APIs and backend services
• Experience working with cloud platforms (preferably AWS)
• At least an intermediate strong (B1+) level of English 

Nice to have

• Experience with React
• Experience working with Salesforce
• Experience with build tools, pipelines, and package managers: Webpack, Parcel, Vite, npm, Yarn, Babel
• Experience using testing frameworks such as Jest, Mocha, and Chai
• Experience with Big Data technologies (Solr, Hive, HBase, Spark, Kafka, YARN, Storm, Splunk, Vertica)
• Experience in e-commerce, retail, or startup environments is considered a big plus
• Architecture certification (TOGAF or similar)
• Experience working with CMS and marketing platforms, including Adobe Experience Manager, Salesforce Marketing Cloud, Oracle, and Sabre
   

About Project
 

Product

Our customer is one of the world’s most successful luxury hotel companies.
The brand operates 118 properties in 47 countries and has been named the Best Luxury Hotel Chain in the world by Business Traveller magazine for two consecutive years.
 

Stage

The project is an ongoing product ecosystem with continuous scaling and active development.
The system uses a modern technology stack without legacy components.
 

Project Team

Our technical team will consist of 8 people: Team Lead, PM, BA, Senior Node.js developer (this role), Middle React developer, Senior iOS developer, Middle Android developer, Senior QA Automation Engineer.

We also collaborate with a large Salesforce team on our side (up to 40 people)
 

Work Schedule

Full-time workweek (Monday to Friday), 40 hours.Opportunity to work remotely, from the office (Kyiv, Lviv, Dnipro), or in a hybrid format.
 

Interview Stages

1. Call with Recruiter

2. Technical interview with our Senior Developer

3. Technical Assessment with the Client

4. Cultural Fit Interview with the Client

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.

Are you passionate and curious about server architecture?

Bizzabo is looking for a Senior Backend Engineer in Ukraine to join our fantastic engineering team.

Our server architecture is based on Java 8 and Python microservices. We are using the Spring Boot framework for our Java services with ElasticSearch, Redis, Temporal, and many other buzzwords as part of our ecosystem :) 

We are advocates for cutting-edge technology. We are looking for someone to join our team that is in charge of a product that connects Software and Hardware and real-time communication with an extremely interesting and lucrative product offering. 

WHAT YOU’LL BE DOING

• Be dedicated to product quality and have excellent analytical and problem-solving skills
• Continuously design, develop, and deploy backend services
• Focus on high availability, low latency, and scalability
• Contribute your analytical abilities
• Enthusiastically research new methods for doing things
• Provide solutions to challenging problems

WHAT YOU HAVE

• 5+ years of development experience using Python
• Working with databases 
• Built a microservices architecture for large-scale applications
• Have a deep understanding of security risks
• Working with AWS infrastructure: EC2, S3, RDS, SQS, etc.
• Computer science degree from a leading institute

 WHAT WOULD BE A BONUS

• Familiarity with Kotlin
• Experience with Kubernetes
• Experience with TDD or a testing culture

YOUR JOURNEY

✅ Prescreen with recruiter → ✅ Complete assignment → ✅ Technical interview → ✅ Interview with manager → ✅ Reference check → ✅ Job offer

Evowill is looking for a Junior Data Scientist who is passionate about data analysis, machine learning, and extracting insights from data, and eager to grow in a supportive and dynamic environment. We offer a clear path: starting with a hands-on internship and transitioning into a commercial project role — 100% of our juniors join real projects.

Requirements:

• Knowledge of Python
• SQL (MySQL / PostgreSQL)
• Basic understanding of Machine Learning (scikit-learn)
• Basic data analysis skills (Pandas, NumPy)
• Solid statistics foundations
• Git, GitHub/GitLab
• English: Intermediate
• Pet projects (data analysis / ML) 
• Fast learner, organized, responsible
  
   

Would be a plus:

• Quantitative Science (Math, physics, statistics) or Engineering with ML or modeling majors (3rd year or higher)
• Experience with statistical or numerical modeling or having participated in data related research teams
  
   

Internship Stage (2 months):

• Full-time, practical learning
• Pet projects, technical interview preparations, and soft skills training
• English Speaking Club
• Senior Developers mentors from Ukraine and Colombia
• Technologies: Core Data Analysis and Modeling, Python libraries, as well as learning to apply modern ML techniques to real-world data.

Project Stage:

• Join commercial projects as a Data Scientist
• Salary from $1000 with regular reviews
• Ongoing mentorship and technical support
• Optional English club and extra tech learning

We are looking for a Back-End developer with experience:

• 3 years+ of back-end development experience on commercial projects;
• 2-3 years of experience with C# (.NET, Entity Framework, S3 Bucket, WEB API, Socket, Event Hub);
• experience with .NET 9;
• experience with SQL database;
• basic knowledge of HTML/CSS, Typescript, Javascript
• basic knowledge of Cloud Foundry environment
• Preferably GIT, Azure DevOps experience
• Bachelor’s or Master’s degree in Computer Science, Web Development, or a related field

Responsibilities:

• Implement and maintain the features and user interfaces of our products;
• Collaborate with product designers, product managers and software engineers to create compelling, user-centric products;
• Ability to maintain focus and produce high quality results within tight deadlines;
• Identify and resolve performance and scalability issues;
• Optimize animations for performance and compatibility across browsers and devices;
• Stay up to date with the latest trends in web animation and interactive design;
• Participate in project planning and provide creative input to improve the user experience;
• Be able to detect a problem and find the best solution to fix it;
• Help the team when questions or difficulties arise;
• Be able to make decisions independently and complete assigned tasks in the shortest possible time;
• Be self-disciplined and demonstrate good time management skills to complete work tasks.

We offer:

• Remote Work with a Flexible Schedule;
• Paid vacation and sick days;
• Medical insurance for employees;
• The opportunity to work with the biggest players in the aviation world;
• Direct influence on the future of aviation;
• Working with an international team;

Get to know us

Ideals is a global B2B SaaS product company recognized as the most highly rated and customer-centric brand in the secure business collaboration market. Trusted by over 2,000,000 users from 175,000 companies globally, we are on a mission to create more prosperity in the world by accelerating high-stakes business decisions. We achieve this by delivering extremely intuitive and robust software products that help people make impactful decisions with less stress, higher quality, and shorter hours. Our key products include:

Ideals Virtual Data Room (VDR): A secure, cloud-based platform for sharing confidential documents during due diligence, fundraising, M&A, legal transactions, and other business-critical workflows.

Ideals Board: A platform for boards and executive teams to streamline governance and enhance decision-making in a fast, secure, and compliant way.

The role

We are looking for a Software Engineer, Backend (.NET) with AI skills who will play a key role in building and scaling secure, high-load VDR services, with the additional opportunity to apply AI patterns to product features.

Your success in this role will be measured first by strong backend fundamentals: reliability, performance, scalability, and maintainability, and second by your ability to enable AI features safely and efficiently, using reusable and well-architected components.

This is a hands-on engineering role within a mature product environment, where engineering quality, observability, and long-term architecture matter.

What you will do

BE Engineering:

• Design, develop, and operate production-grade .NET services
• Work with .NET Framework 4.7, .NET 8, ASP.NET, Web API, Entity Framework
• Design and optimize data models using MS SQL Server / PostgreSQL
• Build and run services in AWS, using Docker, Kubernetes, ArgoCD
• Ensure service reliability and performance through:
• Clear SLIs/SLOs and capacity planning
• Caching, retries, backoff strategies, circuit breakers
• Secure multi-tenant access control
• Own services end-to-end: design, implementation, deployment, monitoring, and support
• Contribute to architecture and design reviews
• Improve code quality through code reviews, refactoring, and best practices

AI Enablement:

• Integrate AI/LLM providers behind clean, provider-agnostic abstractions
• Implement retrieval-augmented generation (RAG): chunking, embeddings, vector search
• Build safe AI flows with: Context scoping and validation, “Cannot answer” scenarios, Prompt-injection defenses
• Add evaluation and observability: Offline and online quality metrics, Monitoring tied to product KPIs
• Create reusable AI components (libraries, middleware, templates) adopted by other teams
• Share knowledge on safe and scalable AI usage

What you bring

• Strong experience with C# / .NET in production environments
• Solid knowledge of ASP.NET, Web API, Entity Framework
• Experience with relational databases (MS SQL Server, PostgreSQL)
• Hands-on experience with AWS
• Experience with Docker, Kubernetes, CI/CD pipelines
• Understanding of distributed systems, performance tuning, and reliability patterns
• Experience working in cross-functional product teams
• Strong written and spoken English (B2 level or above)

AI Skills (strong advantage)

• Experience with retrieval & vector search (embeddings, chunking, hybrid search)
• Integration with LLM providers (Azure OpenAI, AWS Bedrock, or open-source models)
• Experience with: structured outputs, streaming responses, provider-agnostic AI abstractions
• Knowledge of AI guardrails & evaluation: output validation, quality metrics, safe usage patterns
• Ability and willingness to mentor peers in applied AI practices

What we offer

We highly value our people, so we will empower you with all the resources and support to help you reach your full potential.

For your best work

• Remote-first flexibility to shape your ideal workday
• Home workplace budget
• Resilient home budget for Ukraine-based teammates
• Resilient office in Kyiv & co-working expense coverage
• Individual IT budget for extra equipment
• Top-tier tech and AI-powered tools

For your growth

• Access to Ideals Academy with numerous courses
• Investment in external learning and development activities
• Guidance in Personal Development Plan creation
• Professional literature and subscriptions coverage
• Support of your passion as a speaker or writer
• Internal talent mobility opportunities

For your well-being

• Medical insurance and Wellness Package for sports activities
• Full coverage of mental health sessions for Ukrainian teammates
• Funding for sports competitions
• 20 business days of paid time off per year
• Unlimited health-related time-off

Extra perks

• Team-building offline and online events
• Budget for meetups with your local team
• Generous internal referral program

Our culture

Commitment, Excellence, Collaboration, Trust and Care are core values to the Ideals team. For us, these are the principles that every Idealer lives and breathes. We are on the lookout for like-minded individuals who share our values. By doing so, we create a team where talents feel at ease and work to the best of their abilities.

Discover more.

Ideals is an equal opportunity employer

Ideals is made up of people from a wide variety of backgrounds and lifestyles. We embrace diversity and invite applications from people from all walks of life. We don’t discriminate against employees or applicants based on gender identity or expression, sexual orientation, race, religion, age, national origin, or citizenship.

Our cutting-edge technology empowers millions of consumers worldwide to make smarter and more confident purchasing decisions.

Our expertise lies in building high-performing review websites. We specialize in developing streamlined landing pages for our clients, ensuring seamless customer experiences while efficiently collecting and managing data through our proprietary tracking system.

We are looking for a AI Developer Node.js / AI Automation to join our team in Kyiv  (4 days in the office in Kyiv, 1 day remote)

What You Will Do:

• Develop and implement AI-driven solutions and AI agents to automate business processes.
• Build backend services using Node.js to integrate AI models into products.
• Design and implement AI-powered workflows and automation using n8n.
• Work with databases (SQL / NoSQL) for data storage and processing.
• Deploy and manage services using Docker.
• Build and optimize AI agent architectures and automation pipelines.
• Work in Linux environments (Ubuntu) for development and deployment.
• Analyze user needs and design AI solutions to solve user problems.

Required Experience:

• Strong experience with Node.js development.
• Experience working with databases (SQL or NoSQL).
• Experience with automation tools such as n8n (or similar workflow tools).
• Understanding of AI concepts, LLMs, or AI agents.
• Experience building and integrating REST APIs.
• Experience with Docker.
• Comfortable working in Linux (Ubuntu) environments.
• Ability to write clean, maintainable, and scalable code.
• English (spoken and written).

What We Offer:

• 21 days of paid leave per year
• 7 days of sick leave annually
• Health insurance
• English-speaking clubs
• Corporate events and team-building activities
• Long-term cooperation
• Annual performance review
• All necessary technical equipment provided
• Hybrid work format: 4 days in the office in Kyiv, 1 day remote

The Digital Health organization is technology team which focused on next generation Digital Health capabilities which deliver on the Medicine mission and vision to deliver Insight Driven Care. This role will operate within the Digital Health Applications & Interoperability subgroup of the broader Digital Health team, focused on patient engagement, care coordination, AI, healthcare analytics & interoperability amongst other advanced technologies which enhance our product portfolio with new services, while improving clinical & patient experiences.

Requirements

MUST HAVE:

• AWS Platform: Working experience with AWS services – in particular serverless architectures (S3, RDS, Lambda, IAM, API Gateway, etc…) supporting API development in a microservices architecture

• Programming Languages: Python (strong programming skills), Go or other languages

• Data Formats: Experience with JSON, XML and other relevant data formats

• CI/CD Tools: experience setting up and managing CI/CD pipelines using GitLab CI, Jenkins, or similar tools

• Scripting and automation: experience in scripting language such as Python, PowerShell, etc…

• Monitoring and Logging: Familiarity with monitoring & logging tools like CloudWatch, ELK, Dynatrace, Prometheus, etc…

• Source Code Management: Expertise with git commands and associated VCS (Gitlab, Github, Gitea or similar)

• Terraform

NICE TO HAVE

• Strongly Preferred: Infrastructure as Code: Experience with Terraform and CloudFormation – Proven ability to write and manage Infrastructure as Code (IaC)
• Documentation: Experience with markdown and in particular Antora for creating technical documentation
• Experience working with Healthcare Data, including HL7v2, FHIR and DICOM
• FHIR and/or HL7 Certifications
• Building software classified as Software as a Medical Device (SaMD)
• Understanding of EHR technologies such as EPIC, Cerner, etc…
• Experience implementation enterprise grade cyber security & privacy by design into software products
• Experience working in Digital Health software
• Experience developing global applications
• Strong understanding of SDLC – Waterfall & Agile methodologies
• Software estimation
• Experience leading software development teams onshore and offshore

Job responsibilities

• Develops, documents, and configures systems specifications that conform to defined architecture standards, address business requirements, and processes in the cloud development & engineering.
• Involved in planning of system and development deployment as well as responsible for meeting compliance and security standards.
• API development using AWS services
• Experience with Infrastructure as Code (IaC)
• Actively identifies system functionality or performance deficiencies, executes changes to existing systems, and tests functionality of the system to correct deficiencies and maintain more effective data handling, data integrity, conversion, input/output requirements, and storage.
• May document testing and maintenance of system updates, modifications, and configurations.
• May act as a liaison with key technology vendor technologists or other business functions.
• Function Specific: Strategically design technology solutions that meets the needs and goals of the company and its customers/users.
• Leverages platform process expertise to assess if existing standard platform functionality will solve a business problem or customization solution would be required.
• Test the quality of a product and its ability to perform a task or solve a problems.
• Perform basic maintenance and performance optimization procedures in each of the primary operating systems.
• Ability to document detailed technical system specifications based on business system requirements
• Ensures system implementation compliance with global & local regulatory and security standards (i.e. HIPAA, SOCII, ISO27001, etc…)

Hallwil is an Estonian company founded in 2020.

About Us: We are a design and web development company that provides outsourced services to clients all over the world, including Canada, the USA, and Western Europe.

We are looking for a Shopify Developer!

OUR EXPECTATIONS:

• Experience with Shopify API 
• Strong skills in JavaScript, Ajax, HTML, and CSS;
• Experience with Gulp or Webpack;
• Experience with GraphQL; 
• Experience with Remix, 
• Experience with Node.is;
• Experience with  Gulp or Webpack;
• Experience with  Git.
• Great knowledge with JS(jQuery), HTML, CSS;
   

Preferable

• Experience with Woocommerce;
• Experience with WordPress CMS (theme development/plugins)
• Great knowledge with РНР

• Experience in developing and publishing applications for the Shopify App Store;

   

BENEFITS:

• Flexible schedule: workday starts between 8:00-11:00 and ends between 17:00-19:00;
• Free accounting services;
• Paid days off 
• Compensation for professional training and conferences;
• Opportunities for career and professional development;

• Our team can work remotely without geographical restrictions;

   

INTERVIEW STAGES:

• Interview with the CEO: 30-50 minutes;
• Technical interview: 40-60 minutes;

We are looking for an experienced Senior Backend Developer with deep technical expertise and a passion for development.
 

As a Senior Backend Developer, you will contribute to the growth of our backend direction and ensure high-quality development of the memoryOS project.
 

The core value for us — strong ownership skills, taking responsibility for results, driving tasks to completion, and approaching them with a focus on efficiency and quality.
 

Ready to be part of a modern, fast-growing, #1 product in its niche while gaining extensive professional growth? Apply now!
 

Who are we?

memoryOS is the world’s #1 app for improving memory and focus, helping people overcome the forgetting curve and retain needed knowledge. Proven learning and memory techniques are merged with Duolingo-like gamified e-learning with patented virtual mind palace tech. Co-founded by 2X World Memory Champion — Jonas von Essen.
 

We’re a remote team of 30+ diverse, like-minded professionals, united in solving the problem of the forgetting curve.

We are proud to be the Most Funded App on Kickstarter. The memoryOS was featured on TechCrunch and recognized by Google Brands Accelerator as a product that is “light years ahead of any other company in memory space”.
 

What you’ll be working on

• Develop and maintain scalable backend architecture using Node.js, NestJS, Redis, TypeORM, and PostgreSQL
• Maintain high standards in terms of performance, scalability, and security.
• Maintain high code quality in adherence to company standards and best practices.
• Participate in code reviews, sprint planning, and product discussions
• Stay up-to-date with industry trends and emerging technologies
• Collaborate with developers, QA, designers, and Product Owners to ensure successful product delivery.
   

About you

• 5+ years of experience as a Backend Developer.
• Strong expertise in Node.js and NestJS.
• Deep understanding of scalable architecture and system design.
• Solid experience with PostgreSQL and performance optimization.
• Experience in technical design and application architecture (building applications from scratch to production).
• Excellent analytical and ownership skills.
• Creative problem-solving mindset with high ethical standards.
• Proactive, reliable, and committed to continuous self-development.
• Proficiency in English (B2 level).
   

Would be a plus

• Experience with GCP and CI/CD configuration.
• Experience with React.
   

You will also get

• The opportunity to influence technical trends on the project and take responsibility for making ownership of the right decisions.
• Developing solutions that have a direct impact on business.
• Transparent management and regular feedback.
• The opportunities to be involved in interesting and useful product for millions of people.
• The modern team of like-minded and diverse professionals.
• Enjoy a vacation and paid sick leave days to relax every year.
• Fully remote: you are free to choose your productive work time and place.
   

Getting the job

Enjoy building a top-level product with us while gaining extensive professional experience in a company with an important mission.

Step-by-step for this position:

1. Screening interview (up to 1 hour): To discuss the position, check basic competencies and culture fit.
2. Technical interview (2 hours): Detailed сase approach to identify experience, technical skills, and core competencies.
3. Full Day (up to 5 hours): Have an opportunity to work all day with a CTO, solve tech problems, and write code.
4. Referral: Recommendations from the previous workplace.
5. Offer call (30 min): Discussion of a Job Offer Proposal.

Let’s make the world remember!