Jobs Backend

Evowill is looking for a Junior Python Developer who is passionate about web development 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:

• Python, Django
• SQL (MySQL / PostgreSQL)
• REST API, OOP
• Linux
• Git, GitHub/GitLab
• English: Intermediate
• Pet projects on GitHub/GitLab
• Fast learner, organized, responsible

Would be a plus:

• Technical education (3rd year or higher)
• Experience with Django, SOLID, Docker, CircleCI, JavaScript, React, HTML, CSS, non-relational databases, testing

Internship Stage (3 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: JS, TS, React, Next.js, Python, Django, Docker, PostgreSQL, AWS, etc.

Project Stage:

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

Client

Our client is a European vacation package provider focused on offering affordable travel packages. The project involves integrating new travel content suppliers (primarily for flights) into the client’s existing product. A Scala developer will join the team responsible for implementing integrations with travel systems supporting air booking.

Project overview

The goal of the project is to enable the client to integrate with various travel content providers—primarily offering flights and hotels—in order to create and manage their own custom tour packages.

Team

The team consists of 1 Team Lead, 1 Project Manager, 6 Developers, 1 Business Analyst, and 1 Solution Architect.

Position overview

The Scala Developer will be responsible for tasks related to the integration with Amadeus, a global travel technology provider.

Responsibilities

• Demonstrate competence in containerization technologies, including Docker, Kubernetes, and OpenShift
• Possess knowledge of version control systems, particularly Git
• Apply experience in network security to enhance project integrity
• Work collaboratively in agile methodologies, contributing to the efficient development and delivery of projects

Requirements

• Minimum 4 years of experience working with Scala
• Hands-on commercial experience with the ZIO framework
• Proficiency in one or more leading cloud platforms (GCP preferred)
• Experience with Redis for caching and data storage
• Strong knowledge of REST and SOAP web services
• Background in network security principles and practices
• Familiarity with Agile methodologies and workflows
• Experience with Google BigQuery for data analytics
• Solid understanding of Data Warehousing (DWH) concepts
• Experience building and managing data pipelines
• Proficiency in SQL for querying and data manipulation

Nice to have

• Hands-on experience with MySQL DB
• Experience with Kubernetes, OpenShift
• Experience working with Docker
• Experience with Terraform
• Experience with GitHub Actions
• Basic knowledge of Ruby, Ruby on Rails, Python

Please note that the vacancy is only for candidates ready for offline format of work in Uzhhorod.

Build the most meaningful apps on the latest web technologies!

ABOUT ELEMENTICA

Welcome to Elementica! We are excited to see you on our profile. Elementica is a leading global software development company – expert in delivering web development, mobile application development and IT consulting services of any complexity to clients worldwide.

www.elementica.io

JOB POSITION

We are looking for a talented NodeJS Developer to join our Development Team. You will be at the core of our talented Web Apps teams and focus on building the most advanced and meaningful apps and workflows on the latest web technologies.

RESPONSIBILITIES AND DUTIES

As a NodeJS developer, you will work on our next generation applications, a large B2B AI-powered ecosystem critical to our customer’s needs. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new challenges as we continue to push technology forward.

We are Product oriented developers with a growth mindset. We are curious problem solvers and we like to collaborate, communicate, share knowledge and technical ideas and grow together.

What you’ll do:

- Develop cloud based backend web applications

- Work in all phases of the software development life-cycle (planning, design, implementation, deployment, monitoring and support)

- Collaborate and grow in a dynamic environment while working in small, agile and cross functional teams

- Use the latest technologies to solve real problems for our customers

- Communicate and coordinate with our engineering team in Ukraine/Uzhhorod.

What we look for in you:

- Results-orientation, collaborative, pragmatic and agile mindset

- Strong knowledge in working with Javascript and Typescript

- Expertise with cloud service providers - Microsoft Azure and it's services for backend deployment

- Working proficiency in English (verbal & written)

- Continuous independent learning

We are looking for these skills/experience:

* Experience with 3rd party APIs integration / OpenAI, Facebook API, Google Sheets API

* Deep knowledge of NestJS

* Familiarity with ORM (Object Relational Mapper) libraries - TypeORM/Drizzle

* Strong knowledge of relational and non-relational databases (PostgreSQL/MongoDB)

* Experience working with Docker and Docker Compose

* Experience working with E2E and unit tests
* Familiarity in Bull.js, Redis is a strong plus

* Understanding of common development principles and best practices (SOLID, DRY, YAGNI) and design patterns

* Experience in CI/CD is a plus

* Experience in frontend development(React) is a plus

What we offer:

* The opportunity to drive the development of cutting-edge software products

* The chance to work on interesting technical challenges such as advanced algorithms, wide integrations or scalable content management

* A positive, highly skilled, young team with a focus on quality

* Hybrid working possibility / Flexible working hours

* Pick your own gear: Linux or IOS - whatever works best for you

* A lot of room for your own ideas. We always highly encourage you to work on them together with the team.

* Outstanding compensation based on experience and 20 days vacation

* Sponsored training opportunities with Udemy

Our job offer NodeJS Developer sounds interesting? Then we are looking forward to receiving your application!

Job details:
Workload: full-time, fully remote.
Start date: April/beginning of May
Duration: long-term .

About the project: 
The client is from Norway. They are working on developing a product for the maritime industry. The product focuses on energy analysis for different sea transport (for example, fuel usage, greenhouse gas emissions, etc.).

Responsibilities:
Design and develop new features in line with the product roadmap and detailed requirements.
Write clean, efficient, and maintainable code, following best practices and coding standards.
Maintain and evolve existing systems, including troubleshooting issues and modernizing technologies and architecture.
Ensure the application meets performance, scalability, security, and reliability requirements.
Conduct code reviews and contribute to the continuous improvement of development processes and code quality.
Participate in architectural discussions, influence technical direction, and take ownership of tasks and deliverables.

Requirements:
5+ years of commercial experience as a Python Developer.
Upper-Intermediate (B2) or higher level of English.
Strong proficiency in Python.
Experience with frameworks: Django, FastAPI, or others.
Experience with database systems like PostgreSQL and MySQL.
Hands-on experience with queue & message broker platforms like Kafka/RabbitMQ.
Hands-on experience with CI/CD.
Experience in container-based architecture and deployments (Docker, Kubernetes).
Experience in writing unit tests, functional tests, and integration tests.
Proficient in working with the version control system Git.
Hands-on experience with AI coding tools would be a plus.

Location - Ukraine or Europe. 

Mirko Solutions is an international IT company specializing in web and mobile development for clients across the US, Canada, EU, and Australia. We are growing rapidly and are looking for a Middle Python Developer to join our team and drive complex, high-impact projects.

Job Requirements:

• At least 5 years of professional experience building backend applications with Python
• Hands-on experience developing web services using modern frameworks (such as Django, FastAPI, or similar)
• Strong understanding of working with relational databases, including schema design and query optimization
• Experience working with event-driven or asynchronous systems, including message brokers (e.g., Kafka, RabbitMQ)
• Familiarity with automated build, test, and deployment pipelines
• Practical knowledge of containerized environments and orchestration tools
• Solid approach to testing, including writing and maintaining automated test suites across different levels
• Experience collaborating in teams using Git-based workflows

Responsibilities:

•  Development and support of backend services in Python;
• Collaboration with the team to implement updates and integrations;
• Ensuring code quality, participating in code reviews and discussing technical solutions;

We provide the following for our employees:

• Competitive salary according to qualification
• Comfortable working environment
• Experienced colleagues
• Opportunity to work with interesting projects,
• Regular performance reviews
• Friendly atmosphere, care for the comfort of professionals

Developing a software platform for the automated analysis and visualization of cyberattacks in safety-critical systems. The goal is to efficiently support companies in regulated industries – from automotive and energy to the security and defence sector – in implementing complex cybersecurity requirements, the deal is to distributed a micro-service based application for real-time system design and threat modelling.
Based on best practices of Domain Driven Design.

We are looking for a candidate who is willing to relocate to South Tyrol, Italy. The selected candidate will be offered a permanent, full-time employment contract.

Technology:
- C# / .Net Core;
- Rest Api / Json;
- NuGet / Packages;
- Ado.Net / EntityFramework / Dapper; 
- Sql (relational design understanding);
- Windows / Linux;
- Message broking;
 

Would be a plus:
- Html / Css / JS;
- Sass / Less;
- Anguler | React | VueJs (some of);
 

Architecture:

- Multi- (micro-/macro-) services;
- System complexity management;
- Testing approaches understanding;
- CI/CD concepts understanding; 
- Clean coding / Refactoring;
- Ability to keep architecture consistency;
- DDD, SOLID, KISS

General .net:

- Keep development process clean and transparent for project management and rest of the team;
- Integrate FE development process with existing project parts;
- Be aware in full-stack scope of product development;

General BA:

- Solid understanding of software architecture concepts (layers, microservices, APIs, data models, integration patterns);
- Experience translating business requirements into technical constraints and design principle;
- Strong analytical, communication, and documentation skills;

Tools:
- Git;
- Postman / Fiddler (or any other utility); 
- Docker;
Other:
- English - upper intermediate (C1 equivalence);

About the Project
We are developing modern SoftPhone applications for Android, iOS, and a WebRTC client, designed as an extension of our core product PortaSwitch — a Class 4 & Class 5 SIP softswitch platform.
This role offers a unique opportunity to work closely with PortaSwitch, collaborate with an experienced engineering team, grow your expertise in VoIP telephony, and contribute to a live, actively evolving product.

Team Setup
You will join a team of 7 professionals:
 

• 1 Project Manager
• 1 Senior Developer Lead
• 3 Mobile Developers
• 1 Web Developer
• 1 Backend Developer

Key Responsibilities
 

• Design and develop the server-side backend of the WebTrit system
• Build scalable, high-performance solutions supporting real-time communication services

• Collaborate with mobile and web teams to deliver seamless product functionality

   

Required Skills & Experience

• Python (strong backend development experience)
• Solid knowledge of Phoenix and Ecto
• Strong knowledge / hands-on experience with WebRTC
• Experience with PostgreSQL
• Proven experience building backend services in production

Nice to Have

• Elixir (2+ years of commercial experience)

English Level
 

• Written English is sufficient for day-to-day communication

   

We offer:

• Professional development
• Highly skilled colleagues who are ready to share knowledge
• Performance review every six months
• Paid vacations, compensatory leaves and sick leave
• Work schedule up to you: standard “office” schedule (5 day 9 till 18.00 it is Kyiv time (UTC+2/+3 ) Or flexible schedule with 12-hour shifts every three days from 8 till 20.00 or from 20.00 till 8.00.
•  English classes with the experienced teachers

CodeIT is a service product development company. We know how to transform business ideas into profitable IT products. We are looking for a skilled and experienced Python/Devops Engineer to join our team.

Project description

The project is a hosting platform operated by an established data center company that is evolving toward a more cloud-oriented service model. The core infrastructure is already in production and serving real customers, with ongoing improvements and expansion of cloud capabilities. 

Some existing products (such as CDN and VPS) are already live and stable. CDN is currently in a maintenance phase, while VPS is operational and requires continuous improvements, scaling, and optimization. Most core technical decisions for these services have already been made, and the systems are functioning in production. 

At the same time, new cloud-oriented services are being actively designed and developed — including Application Vending Machine, Kubernetes-as-a-Service, App-as-a-Service, and other infrastructure automation solutions. These areas provide more architectural influence and room for technical ownership.

Requirements

• 5+ years of commercial experience with Python
• 3+ years of experience with Django+DRF
• Strong understanding of backend architecture and scalable system design
• 3+ years of commercial experience with Docker
• 1+ years of commercial experience with Kubernetes and Helm (production-grade environments)
• Experience deploying and maintaining Kubernetes clusters (services, ingress, config maps, secrets, autoscaling)
• Experience troubleshooting networking issues in KubernetesExperience with configuration management tools (Ansible preferred; experience with similar tools is acceptable, willingness to adopt Ansible is required)
• Deep experience with at least one cloud provider (AWS / GCP / Azure)
• Experience setting up and maintaining CI/CD pipelines (Github actions preferred)
• Solid networking knowledge: TCP/IP, DNS, HTTP/HTTPS; reverse proxy configuration (NGINX, Caddy, Traefik or similar); SSL/TLS setup and certificate management; understanding of private networking and service-to-service communication
• XP with Linux
• Strong operations experience, including: database replication setup; infrastructure setup on VMs; production troubleshooting
• Experience with MariaDB (mySQL), PostgreSQL or any other relational DB
• Experience writing unit tests
• Experience decomposing business requirements into technical tasks
• Ability to implement end-to-end solutions based on business requirements
• 2+ years of direct voice communication with English-speaking clients, incl. non-technical ones
• English level: upper-intermediate or higher

Would be a plus

• Experience with monitoring and observability tools (Prometheus, Grafana, ELK, Loki, etc.)
• Experience setting up alerting systems
• Experience with Redash, ClickHouse, Airflow
• Experience with hypervisor management (Proxmox, VMware, KVM, etc.)
• PHP experience (or ability to read existing PHP code)
• Frontend experience (full-stack background)
• Experience integrating LLM-based features into product workflows
• Experience with hosting provider CRMs (WHMCS, EasyDCIM)

Responsibilities

• Perform at a Senior level in a Python / DevOps hybrid role
• Take ownership of system components and infrastructure parts
• Proactively improve system stability, performance, and reliability
• Design and implement scalable backend solutions
• Support and evolve system architecture
• Deliver end-to-end features from requirement to production
• Write clean, efficient, and maintainable code
• Conduct code reviews
• Communicate daily with client stakeholders

Being a member of the CodeIT team means

• Career Path and growth opportunities (seniority level system, individual development plan, technical leads)
• Compensation of participation in conferences and workshops, invited experts
• Development of soft skills (people management and emotional intelligence training)
• Free access to the company account on Udemy educational platform
• Internal library
• Corporate English courses and communication with clients from English-speaking countries
• Experienced and supportive team members
• Paid time off (vacation, sick-leave, remote work)
• Legal support

Moon Active is one of the world's top mobile game companies, our teams leverage cutting-edge technologies to craft fun and interactive games enjoyed by millions worldwide. We produce exciting and engaging entertainment for players across the globe and pride ourselves on developing top-quality casual games that invite and allow players to connect with one another.

As a BackEnd Developer, you will be working in a scrum team implementing new features and improving existing code for our most popular game. We are looking for a Strong developer to join an engineering team that is responsible for building complex, high-scale, and real-time systems.

We work with Node.js/Redis/Neo4j/K8s/Microservices, 24/7 serving 100k req/sec, 200k+ req/sec at peaks, Redis used as the main storage, handling terabytes of data and 200M ops/min.
 

Responsibilities:

• Delivering new game features every few weeks;
• Building distributed systems and microservices;
• Mainly developing real-time mobile game server with Node.js and Redis;
• Working with the Kyiv-based cross-functional team that also includes Unity developers and QAs.

Requirements:

• Backend development experience (any OOP language, ex. Node.js, Java, C#, etc.);
• Familiarity with Node.js - advantage;
• Willingness to operate within an AI-first approach for development productivity and feature integration;
• Experience with distributed systems and microservices architecture;
• Experience with NoSQL databases (ex. Redis);
• Experience with Backend development of real-time web services;
• Experience in a high scale system will be a plus;
• Experience working with Scrum teams will be a plus;
• Good spoken and written English is a MUST.

Benefits:

Why join Moon Active? 

• Be part of a leading global mobile gaming company with a unique product enjoyed by millions;
• Thrive in an exceptional, innovative, and dynamic environment;
• Enjoy full transparency and open communication with talented colleagues across teams;
• Take advantage of tremendous opportunities for professional growth and career advancement within a rapidly expanding company;
• Influence and help build personalized product experiences that impact millions of users worldwide.

We offer:

• Generous compensation; paid vacation and sick leave;
• Extensive medical and life insurance coverage for you and your family;
• CrossFit & running classes at the office and MultiSport card;  
• Comfortable and modern office located on Królewska 16 street in Warsaw;
• Free daily breakfasts and lunches, and a fully stocked kitchen with snacks and fruits;
• Latest tech equipment, including macOS devices;
• Training & Development/Tuition reimbursement;
• Friend Referral Program with generous bonuses;
• Fun and collaborative workplace culture with regular Friday Happy Hours and team gatherings;
• Relocation bonus for candidates moving to Warsaw;
• Bicycle and Car parking.

We Play to Win! We Play it Smart! We Play as a Team!

We are committed to investing in our employees and fostering a workplace that champions innovation, creativity, and collaboration. At Moon Active, we empower our team members to unleash their potential and achieve remarkable results every day. We encourage bold decision-making and believe that every individual has a significant impact on our success. Join us and level up your career in a supportive and high-achieving environment!

Dear candidates, please note that we are looking for a developer in Vinnytsia.

Who are we?

Skai helps thousands of the most successful brands in the world reach customers and grow their brands on digital channels. The company offers best-of-breed advertising technology on the most impactful, highest-ROI media channels as well as a suite of data-driven insights, planning and measurement solutions to complement and maximize return from our solutions.
We’re 700 employees strong and growing every day! ~$7 billion in ad spend being managed on the SkaiTM platform every year, driving hundreds of billions in commerce decisions and sales transactions.
Established in 2006, we are a thriving organization, with a unique, vibrant startup culture with an incredible track record of success and an amazing future in sight!

Technical Skills:

Hands-on experience (5+ years) with Java object-oriented design and implementation;

Spring ecosystem: Spring Boot, Spring Web, Spring Security, Spring Data, Spring Scheduler;

Knowledge of web environments, REST API’s, Web services, Unit Testing, Java Build Tools;

Experience in usage of data storage: Redis, MySQL;

Experience in using message brokers: Kafka, RabbitMQ;

Knowledge of basic AWS stuff: EC2, RDS, S3, Load Balancer;

High-load / scalable systems design, performance tuning;

Testing: unit, integration, contract testing, test automation;

Security: authentication/authorization, OAuth2/JWT, secure coding practices;

Experience with Git.

Architectural Skills:

System architecture design: defining components, boundaries, integration patterns, and deployment topologies;

Microservices design: API contracts, data ownership, and inter-service communication patterns;

Scalability & performance: capacity planning, load testing, caching strategies, and performance tuning;

Reliability & resilience: circuit breakers, retries, bulkheads, graceful degradation, and failover strategies

Observability & operability: logging, metrics, distributed tracing, alerting;

Leadership Skills:

Code quality & standards: enforce best practices, testing strategies, and maintainable code guidelines;

Project & delivery leadership: estimation, risk identification, prioritization, and driving timely delivery;

Communication: clear, concise technical communication to engineers and non-technical stakeholders;

Delegation & empowerment: assign ownership, trust engineers, and unblock teams rather than micromanage;

Conflict resolution & influence: navigate trade-offs, resolve disagreements, and build consensus;

Strategic thinking: roadmap contribution, technical vision, and aligning engineering work with business goals;

Continuous improvement: retrospectives, process optimization, and fostering a culture of learning.

By applying for this position, you may join one of the most respected and rapidly growing institutional investors globally. Our client is a professional investment management organization that manages funds to ensure long-term sustainability. The company invests across all major asset classes, including public equity, private equity, real estate, infrastructure, and fixed-income instruments, with offices in Toronto, London, Hong Kong, New York, São Paulo, Luxembourg, and Mumbai.

The client attracts and selects high-caliber individuals from top-tier institutions worldwide. Joining the team offers the opportunity to work with diverse and inspiring colleagues and approachable leaders, engage in stimulating work within a fast-paced and intellectually challenging environment, and gain accelerated exposure and responsibility. There are also global career development opportunities and the motivation of contributing to an important social purpose grounded in strong principles. The organization maintains a deeply rooted culture centered on integrity, partnership, and high performance.

If you are passionate about performance, value a collegial and collaborative culture, and uphold the highest standards of integrity, this opportunity may be right for you.

Responsibilities:

The Technical Lead will oversee the technical strategy and execution of fintech projects, managing a distributed team of Python developers and ensuring seamless delivery on AWS infrastructure. This role merges technical leadership, people management, and client communication, requiring a proactive and empathetic approach to both technology and team development.
Key Responsibilities
• Lead and coordinate a remote development team across multiple time zones to deliver high-quality fintech software solutions.
• Oversee project architecture, development, deployment, and performance optimization using Python and AWS.
• Ensure robust, scalable, and secure system design aligned with fintech industry standards and compliance requirements.
• Build and maintain strong client relationships, providing regular progress updates and strategic technical insights.
• Conduct regular performance reviews, one-on-one check-ins, and mood monitoring to foster engagement and well-being within the team.
• Mentor engineers, support professional growth, and encourage knowledge sharing across teams.
• Manage project timelines, risks, and dependencies in accordance with agile principles.
• Identify and drive improvements in development processes, collaboration practices, and product quality.
• Collaborate with product managers and business stakeholders to align technical solutions with strategic goals.

Mandatory Skills Description:

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• 8+ years of experience in software engineering with at least 2 years in a technical leadership role.
• Proven expertise in Python development (Django, FastAPI, Flask, or equivalent).
• Solid experience with AWS (ECS, Lambda, S3, CloudFormation, RDS or similar services).
• Previous experience leading distributed or cross-cultural engineering teams.
• Strong communication skills and ability to manage relationships with both internal and external stakeholders.
• Demonstrated success delivering fintech systems (e.g., payment gateways, banking APIs, compliance tools).
• Deep understanding of Agile/Scrum methodologies.
• Fluent in English (written and spoken).

Nice-to-Have Skills Description:

• Knowledge of financial regulations (PSD2, AML/KYC, PCI DSS).
• Experience with CI/CD pipelines, automated testing, and DevOps practices.
• Experience with data security, encryption, and financial-grade API design.
• Passion for innovation, continuous improvement, and building high-performing teams.

About Us 

ChatRevenue.ai was founded by Ratmir Timashev (founder of Veeam) and Vlad Voskresensky (founder of Revenue Grid) to create the next generation of CRM systems. 

We’re building an AI-native CRM platform that completely redefines how sales automation works. 
By structuring data for intelligent automation, we enable agentic AI to design workflows, assist Sales Leaders and Reps in real time, and generate predictable sales funnels – all through a simple, chat-driven interface. 

Our mission: to build a CRM that works for User, not the other way around. 

About the Role 

We’re looking for a Senior Python AI Engineer to join our core team and take ownership of GenAI and RAG pipelines in production. 

This role is ideal for engineers who enjoy ambiguity, move fast, and want their work to be visible in the product from day one. 
We focus on outcomes, not ceremonies –  minimal bureaucracy, fast decisions, real ownership. 

What You’ll Do 

• Design, build, and maintain production-grade GenAI / RAG pipelines 
• Integrate LLMs and agentic assistants into real business workflows 
• Build and operate vector search, embedding stores, and knowledge graphs 
• Ingest, clean, enrich, and structure large external data streams 
• Experiment with new GenAI frameworks, tools, and multi-agent systems 
• Improve reliability, latency, and cost-efficiency of AI pipelines 
• Mentor engineers and share best practices across the team 

What We’re Looking For 

• Strong Python backend experience (FastAPI, async, APIs) 
• Hands-on experience with LLMs in production (OpenAI-family or similar) 
• Practical experience with RAG pipelines, embeddings, vector stores 
  LangChain / LangGraph / LangSmith or similar orchestration frameworks 
  SQL, data processing (Pandas), ETL / data cleaning 
• Docker, CI/CD, Git; experience deploying to cloud (Azure preferred) 
• Ability to work independently in a fast-moving startup environment 
• Good English for documentation and technical communication 

Nice to have 

• Graph databases and graph-based retrieval (Neo4j, NetworkX) 
• Kafka / Azure EventHub 
• Multi-agent LLM frameworks 
• Production ML / NLP experience 

Why Join Us 

• Remote-first – work from anywhere 
• Flexible schedule aligned with the European time zone 
• High impact – your work goes live, not into a backlog 
• Strong technical ownership and influence on architecture 
• Competitive compensation: $6,000-$9,000 
• Core team role in an AI-native product built from scratch 

Binariks is looking for a highly motivated Senior Backend Software Engineer (Java & EPIC integration), who will implement the integration for our client.
The project is from the UK. The AI company specializing in clinical decision support technologies. Their platform integrates conventional clinical knowledge, such as guidelines, quality measures, and clinical trial criteria, into a digital format. This enables better patient care options and more cost-effective treatment options for healthcare institutions by using individual patient data and preferences.

What We’re Looking For:
 

• 5+ years of experience with Java, Spring Boot
• Experience in building integration APIs. REST API, OAuth, JWT, webhooks
• AWS cloud services skills (related to API management, messaging, and queues)
• Experience with EPIC EHR APIs
• Experience with EHR, HAPI (FHIR & HL7 v2)
• Experience with FHIR API, CDS Hooks
• Effective verbal and written communication skills with both management and peers

• Upper-Intermediate English for daily communication

   

Your Responsibilities:
 

• Building integration APIs
• Deploying and managing application within AWS infrastructure
• Collaborating with the development team and project stakeholders
• Maintaining high code quality and thorough documentation

🟢We invite a Senior Software Engineer with strong Node.js expertise and solid AWS knowledge to join our team. You'll work with a trusted leader in the Point-of-Sale industry with over 100,000 global installations. In this role, you’ll contribute to our client’s new initiative focused on creating data mapping between diverse menu order systems and integrating two distinct APIs to ensure seamless and accurate data transfer.

🟩 What's in it for you:

• Collaborate on a high-load, technically challenging backend project, expanding your expertise in API integration, data mapping, and data transformation
• Contribute to a global tech platform offering robust solutions for the restaurant and food service industry
• Influence technical best practices and mentor engineers, promoting a culture of quality and continuous improvement

✅ Is that you?

• 4+ years of commercial backend development experience with deep expertise in Node.js and TypeScript in production environments
• 2-3+ years of AWS experience (EC2, ECS, Lambda, SQS/SNS, CloudWatch, etc.)
• Solid experience with MongoDB
• Proven experience designing, building, and maintaining RESTful APIs
• Strong understanding of backend architecture and service design
• Experience writing unit and integration tests
• Experience with CI/CD pipelines and automated deployments
• Strong ownership mindset and ability to work independently, resolve complex issues, and deliver solutions
• Excellent communication and cross-functional collaboration skills
• Upper-Intermediate+ English level

Desirable:

• Experience mentoring or providing technical guidance to engineers
   

🧩Key responsibilities and your contribution

In this role, you’ll contribute to the design, development, and continuous improvement of high-loaded backend systems and services, ensuring technical quality and delivering bullet-proof solutions.

• Design, build, and maintain high-loaded backend systems and APIs using Node.js and AWS
• Develop new backend features and enhancements for production systems
• Support and troubleshoot production systems to ensure reliability and performance
• Identify and reduce technical debt and implement improvements to maintain code quality and reliability
• Write and maintain unit and integration tests to ensure code quality
• Collaborate with cross-functional teams to define requirements and deliver bullet-proof solutions
• Contribute to the continuous improvement of backend architecture and development practices
• Create and maintain clear, organized development documentation

Join a fast-growing company building AI-powered educational products. The platform uses Python/Django (backend) and ReactJS (frontend). You don’t need deep Python experience — strong backend fundamentals and the ability to work with new code are more important. The interview includes an AI-assisted coding session.

Location: Ukraine (remote)
Start: ASAP
Schedule: Full-time
English: Fluent

What You’ll Do

• Build and improve backend features (Python/Django)
• Create new backend services
• Work on integrations with third-party systems
• Improve system quality, monitoring, and scalability
• Participate in A/B testing and product improvements
• Take part in on-call rotation (1 week every 5 weeks)

Requirements

• 7 years of experience with large-scale web applications
• Strong problem-solving skills
• Willingness to support small JS/TS tasks
• Good communication skills (B2+ English)
• High ownership and independence
• Leading experience