Jobs Developers

About Lexidesk

Lexidesk is a legaltech AI SaaS helping law firms capture, qualify, and convert new client inquiries via AI-powered chat and phone intake. We serve UK, US and Canadian law firms and operate in a compliance-sensitive, production-critical environment where reliability and conversion matter.

The Role

We’re hiring a Founding Engineer to work directly with the CTO & CEO to build and scale Lexidesk.

You’ll own large parts of the system end-to-end, make architectural and product decisions, and help shape the company at an early stage.

This role is for someone with high agency, strong technical judgment, and the ability to make good decisions with incomplete information.

What You’ll Do

• Build and own core platform features end-to-end
• Design and maintain backend services (TypeScript, NestJS)
• Build and evolve the frontend (React)
• Implement AI-driven workflows for chat, voice, and intake
• Integrate with CRMs, calendars, and legal software
• Make pragmatic architecture and product tradeoffs
• Keep the system reliable, maintainable, and production-ready

What We’re Looking For

• Strong full-stack experience with TypeScript, NestJS, and React
• Proven ability to own systems from idea to production
• Track record of shipping highly intuitive products, strong attention to detail.
• High agency and strong decision-making skills
• Product-oriented mindset (you care about outcomes, not just code)
• Comfortable in an early-stage, fast-moving environment where customers set the pace

Strong Plus

• Prior experience building your own startup or product
• Experience with AI / LLM-powered systems
• B2B SaaS or integration-heavy products
• Exposure to regulated or compliance-sensitive domains

Why Join

• Direct impact on product, architecture, and company direction
• Work 1-on-1 with the founder
• Remote-friendly, low-process, execution-focused team

Compensation

• Competitive salary (stage/experience appropriate)
• Monetary bonuses based on outcomes of your features

🟠 Details: we are looking for a Senior .NET Blazor Developer / Architect to join an ongoing rebuild of an enterprise-grade Laboratory Information System (LIS). In this role, you will work hands-on with a mature but evolving codebase, contributing directly to architectural decisions, core modules, and long-term technical direction. The position is designed for an experienced engineer who enjoys shaping robust systems and taking ownership of architectural quality rather than managing a team.

🟠 About the project: our client is modernizing a Laboratory Information System into a high-availability, enterprise-scale healthcare platform built with .NET, ASP.NET Core, and Blazor Server. The system is already in active development with a solid foundation, and the focus is now on scaling, refinement, and strengthening architectural principles to support long-term growth and reliability in a real-world healthcare environment.

🟠 Qualifications:

• Extensive experience building large-scale, enterprise applications using .NET Core and Blazor Server.
• Strong, practical knowledge of software architecture, including Clean Architecture and Domain-Driven Design (DDD).
• Proven ability to design, implement, and evolve core application modules and shared components.
• Deep understanding of design patterns, code quality, and maintainable system design.
• Strong English communication skills; German is a plus.
• A long-term mindset with an interest in contributing to and evolving a complex product over time.

🟠 Responsibilities:

• Shape and refine the architecture of a scalable, enterprise-grade Blazor Server application.
• Apply and uphold Clean Architecture and DDD principles across the codebase.
• Develop, review, and optimize core components, services, and modules.
• Define and maintain software standards, architectural guidelines, and best practices.
• Collaborate on DevOps, testing, and UI/UX strategies to ensure architectural consistency and system quality.

🟠 Engagement model:

• Long-term collaboration is preferred, with the opportunity to become a core contributor to the platform.
• Shorter, high-impact engagements are also considered for senior experts focused on architectural review and guidance.

🟠 Interview steps:

• Screening with Recruiter (about 30 minutes).
• Interview with Project Manager (about 30 minutes).
• Optional Technical Interview with COXIT Engineer (about 1 hour).
• Call with the client (about 1 hour).

🟠 By joining us, you will get:

• Accounting coverage and lawyer support.
• Paid Vacations.
• Paid 4 paid public holidays (New Year, Independence Day, Day of the Defender of Ukraine, and Christmas).
• Flexible working hours and the possibility to work remotely.
• Best-class working equipment (laptop and accessories).
• Good conditions for skills development: the possibility of upgrading your English for business needs due to working time and 50% coverage for studying English; the offer of internal workshops; and wellbeing sessions as one-to-one meetings.

🟠 Our office in Lviv:

• FuturaHUB, located in Lviv (Kulparkivska 200a).
• An inspiring, modern workplace with a great atmosphere and development culture.
• “Happy Hours” parties.
• Yoga and sports training in FuturaHUB.
• Chill-out area: gaming zone with PlayStations, table tennis & table soccer.
• Beer, coffee, tea, cookies, etc.
• Conference rooms.

🟠 Some of our Values:

• No overtime and pressure.
• Regular rest and burnout control.
• Clean relationships within the company and with the client.
• Responsibility for the own development, ideas, and interests communication, as well as for the problems that stand in the way of this development.
• Openness to the new, readiness for changes.

Bavovna Defence is a company operating in the miltech sector, specializing in the development of electronic devices for the frontlines. Our products include munition drop controllers, remote detonation systems, target tracking systems, communication systems, and more.

For the past 2.5 years, we have been fully dedicating ourselves and our work to bringing Ukraine’s victory closer and strengthening its defense capabilities.

We are not planning to stop—only to expand! That’s why we are currently looking for a skilled Hardware Engineer, whose responsibilities will include:

• Developing technological maps for the production of electronic devices.
• Designing electronic devices, as well as physical and mathematical models of systems.
• Creating physical models for simulating control systems for electronic devices and aerial vehicles in MATLAB/Simulink.

• Researching and adapting new production technologies (related to development).

   

Requirements:

• Strong knowledge of physics and mathematics.
• Experience working with safety systems.
• Understanding of analog and digital circuit design.
• Knowledge of electromagnetic compatibility (certification experience is a plus).
• Understanding of PCB manufacturing/assembly and knowledge of IPC standards.
• Experience with Git.
• Proficiency in Altium Designer / OrCad / Eagle.
• Ability to read blueprints and work with STEP models.
• Experience with SPICE simulators: LTSpice, PSpice, Multisim, Microcap, Proteus.

• English proficiency (spoken skills are preferred).

   

Bonus points for:

• Experience with BGA packages / multilayer (8+) PCBs.
• Experience with STM32 controllers / FPGA.
• Experience in RF circuit/antenna/SDR system design.
• Experience with instrumentation amplifiers.
• Experience in designing switching power supplies.
• Experience in Safety-Critical / Mission-Critical system development.

What we offer:

• Competitive salary (at or above market level, depending on technical interview results).
• Remote work format.
• Flexible schedule (we prioritize task completion within deadlines rather than fixed working hours).
• A truly friendly team of professionals and like-minded individuals who will support, assist, and eagerly share their expertise with new team members.

We look forward to having you on board! 🚀

Summary

• 5+ years of professional experience with Python;
• Strong experience with FastAPI, Flask, or similar Python web frameworks;
• Experience building and consuming RESTful APIs;
• Experience with relational and/or NoSQL databases;
• Experience with or understanding of: NumPy, SciPy, Pandas, scikit-learn;
• Experience or hands-on experimentation with LLMs (OpenAI, Claude, etc.), prompt engineering, AI-powered assistants, content summarization, and data analysis using AI.

About the role

We are looking for a Senior Python Developer to join a globally distributed team supporting high-volume digital initiatives for a large international automotive group, covering both passenger vehicles and commercial transport solutions (fleet, vans, etc.) across multiple markets (USA, Canada, Europe, and globally).

This role requires a strong backend-focused Python developer with broad technical exposure, including API development, data processing, and some frontend interaction. The ideal candidate is communicative, proactive, and comfortable collaborating directly with client stakeholders, while also being capable of working independently and leading initiatives when needed.

You will primarily support long-term enterprise automotive projects (99–100% allocation), working on scalable, production-grade systems that increasingly leverage Python, AI, and data-driven architectures.

Responsibilities:

• Design, develop, and maintain scalable Python-based backend services;
• Build and maintain APIs (primarily using FastAPI and/or Flask);
• Implement data processing pipelines and transformations;
• Support frontend applications by serving structured, well-optimized data;
• Work across frontend, backend, and data layers when needed;
• Collaborate closely with frontend developers building SPAs and feature apps;
• Integrate with Adobe Experience Manager (AEM)-based platforms;
• Participate in architecture discussions and technical decision-making;
• Improve and refactor existing codebases for maintainability and scalability;
• Contribute to AI-powered features and workflows;
• Implement testing strategies and ensure code quality;
• Identify performance bottlenecks and propose scalable solutions;
• Take ownership of features or systems end-to-end when required.

Required Skills & Experience

• 5+ years of professional experience with Python;
• Strong experience with FastAPI, Flask, or similar Python web frameworks;
• Experience building and consuming RESTful APIs;
• Solid understanding of backend architecture and service design;
• Experience with data processing, transformations, and structured outputs;
• Experience with relational and/or NoSQL databases;
• Familiarity with asynchronous programming and concurrency;
• Experience with Git-based workflows;
• Strong debugging and problem-solving skills;
• Ability to work independently and take ownership;
• Strong communication skills - able to explain technical decisions clearly.

Data & AI Exposure (Highly Desired)

The client is increasingly focused on AI-driven workflows and data-heavy systems. The ideal candidate should be comfortable discussing:

• Experience with or understanding of: NumPy, SciPy, Pandas, scikit-learn;
• Data transformation pipelines;
• Serving processed data to dashboards, charts, or frontend visualizations;
• Scraping, parsing, and processing large volumes of data;
• Queue-based systems and background processing;
• Handling concurrency, scaling, and performance challenges.

AI & LLM Experience (Big Plus)

The team is actively working on GenAI-powered solutions for a large international enterprise client. Even if not currently working with AI, candidates should ideally have:

Experience or hands-on experimentation with:

• LLMs (OpenAI, Claude, etc.);
• Prompt engineering;
• AI-powered assistants;
• Content summarization;
• Data analysis using AI;

Ability to discuss:

• Proofs of concept;
• Scaling AI features from PoC to production;
• Challenges around infrastructure, cost, reliability, and governance.

Team and Collaboration, 

• The team is globally distributed (US, Canada, Europe);
• The candidate will be based in Europe and will most likely have a Tech Lead in the UK as their main technical point of contact;
• Direct communication with the client is strongly encouraged;
• The candidate must be comfortable discussing ideas, raising concerns, suggesting improvements, and asking questions when needed;
• At the same time, the candidate must be able to work independently, as some projects may involve being the only developer on a given initiative.

• Project Description:

  Our team is responsible for the development, integration, and support of corporate information systems designed to help business processes run with maximum efficiency.
  
  We develop a set of software products used by 15k+ Luxoft employees. Our solutions automate a wide range of business processes, including client relationship management, contract workflows, purchasing, business travel, budget planning, invoicing, recruitment, personnel administration, and time and resource management.
  
  We are looking for an experienced Software Developer with deep knowledge of architectural approaches to software design and implementation.
   

• Responsibilities:

  Be part of an agile development team
  Participate in microservices architecture implementation
  Participate in architecture and system design reviews
  Understand the concepts of Clean Architecture and DDD
  Be able to conduct code reviews
  Have experience with the .NET 9 tech stack
  Be able to write maintainable code
   

• Mandatory Skills Description:

  - .NET 9
  - DDD
  - Clean Architecture
  - Angular 19
  - MS SQL

   

• Nice-to-Have Skills Description:

  - Advanced English
  - Azure Kubernetes Services
  - Azure DevOps (CI-CD, Docker, HELM)
  - Enterprise Architecture
  - EF Core
  - Microservices architecture
  - Elastic
  - Redis

We are looking for a Senior Hardware Developer for an international company specializing in custom electronics development for embedded, industrial, and IoT applications. The company delivers innovative hardware solutions for diverse industries, including medical devices, industrial electronics, automotive, and agricultural technology.

Company size: 90+ employees 

Technical team: Hardware team (PM, Tech Lead, 9 engineers: architect, 3 seniors, 5 mid/juniors),  Software team (separate team)

Main projects: Full-cycle electronics design; solutions for industrial, automotive, and miltech sectors.

 Office / work mode: Ivano-Frankivsk, Lviv (preferably a hybrid or remote type of work), and relocation to Slovenia.

     Conditions:  Competitive salary, career and professional growth, opportunity to work on cutting-edge hardware projects, mentorship and knowledge-sharing environment, flexible schedule, military booking starting from the first working day, and other benefits.

Requirements:

• Proven expertise in full hardware development cycles from concept to production release.
• Experience in power electronics (AC/DC, DC/DC converters, battery-powered systems)
• Skilled in performing circuit- and thermal-level simulations using industry-standard tools such as LTspice, PSpice, Micro-Cap, or similar
• Proficiency in multilayer PCB design
• Deep understanding of EMC fundamentals, filtering, and shielding strategies, combined with hands-on experience in EMC pre-compliance testing and debugging, is essential.
• Proficient in the practical use of standard laboratory equipment such as oscilloscopes, logic analyzers, multimeters, signal generators, and spectrum analyzers.
• Strong prototype debugging, troubleshooting, and repair skills.
• Ability to manage technical handovers, address and resolve customer issues, and troubleshoot problems effectively.
• Strong skills in task decomposition, time estimation, and proactive project communication.
• English - B1 level or higher (with solid reading and writing skills)

Nice to have

• Practical knowledge in RF design, encompassing antenna matching and  layout optimization for RF SoC and module-based systems (Wi-Fi, BLE, LoRa, GSM, LTE, NB-IoT, etc.)
• Proficiency in multilayer PCB design, including HDI, flex, and flex-rigid boards, along with experience in creating production-ready PCB documentation.
• A solid understanding of high-speed design principles, including USB, Ethernet, DDR2/3, and HDMI interfaces, as well as signal integrity and power integrity validation methods.

Responsibilities: 

• Define hardware architectures and detailed system specifications for analogue, digital, and mixed-signal circuits.
• Produce high-quality documentation that clearly describes and justifies hardware design choices in accordance with EKTOS quality procedures
• Perform electrical and thermal design calculations, simulations, and analyses.
• Design and validate power electronics, including AC/DC and DC/DC converters, battery charging systems, and battery-powered electronics.
• Conduct battery life estimation and energy consumption optimization for portable and low-power designs
• Perform multilayer PCB layout, including HDI, flex, and flex-rigid board designs.
• Design high-speed PCB interfaces with a strong understanding of signal integrity validation.
• Apply EMC design principles, perform pre-compliance testing, and conduct EMC troubleshooting.
• Perform hardware bring-up, verification, and validation.
• Support the transition from prototype to mass production, including technical interaction with manufacturing.

● 2+ years of development experience with the .NET platform.
● Experience with ASP.NET Core Web API, SOA, Cloud Services (AWS).
● Experience with React. Patterns: SPA, Micro Frontend Architecture (is a plus)
● TypeScript development experience.
● Experience in client/server unit testing.
● Experience with gRPC is a plus
● Experience with AWS infrastructure is a plus: S3, Lambda (Python Runtime)
● Good debugging, coding, and design skills.
● Demonstrated ability to come up-to-speed quickly on a new technical domain/product area.
● Good written and verbal communication skills.

Job Responsibilities

● Implement new features, unit tests, automated integration tests for the complex healthcare system
● Participate in estimation and planning sessions
● Investigate different complexity issues and debug code
● Business communication and close collaboration with all project stakeholders on a daily basis

Department/Project Description

Our client is a big medical equipment manufacturer located in the United States. We have completed a lot of projects for them during the last 18+ years and continue our strong relationship. We are creating software information systems providing management and reporting capabilities for customer equipment in the field. Currently, we are extending our team and looking for a passionate and motivated Middle Full Stack .Net Engineer with 2+ years of relevant experience. The right candidate must be a team player with strong communication skills and be comfortable working in a fast-paced environment.

Do you want to take part in interesting and diverse projects, work with the latest equipment, using advanced technologies, participate in the creation of unique devices that will be born right before your eyes? Then welcome to Ektos! We are looking for developers in our office located in Ivano-Frankivsk.

Who are we?

A Danish company that has been successfully operating since 2007 and is one of the leaders in the Embedded direction. And you can become one of us!

Key Responsibilities

• Define hardware architectures and detailed system specifications for analogue, digital, and mixed-signal circuits.
• Produce high-quality documentation that clearly describes and justifies hardware design choices in accordance with EKTOS quality procedures
• Perform electrical and thermal design calculations, simulations, and analyses.
• Design and validate power electronics, including AC/DC and DC/DC converters, battery charging systems, and battery-powered electronics.
• Conduct battery life estimation and energy consumption optimization for portable and low-power designs.
• Design and integrate RF circuits and antenna systems, including matching networks and 3rd-party antenna integration.
• Perform multilayer PCB layout, including HDI, flex, and flex-rigid board designs.
• Design high-speed PCB interfaces with a strong understanding of signal integrity validation.
• Apply EMC design principles, perform pre-compliance testing, and conduct EMC troubleshooting.
• Perform hardware bring-up, verification, and validation.
• Support the transition from prototype to mass production, including technical interaction with manufacturing.

Technical Competencies

• Advanced proficiency in analogue, digital, and mixed-signal electronics design, supported by strong analytical and simulation capabilities.
• Skilled in performing circuit- and temperature-level simulations and using industry-standard tools such as LTspice, PSpice, and Micro-Cap.
• A solid foundation in power electronics is essential, including experience with AC/DC and DC/DC converters, battery management systems, and battery-powered product design.
• Practical knowledge in RF design, encompassing antenna matching and  layout optimization for RF SoC and module-based systems (Wi-Fi, BLE, LoRa, GSM, LTE, NB-IoT, etc.).
• Proficiency in multilayer PCB design, including HDI, flex, and flex-rigid boards, is required, along with experience in creating production-ready PCB documentation.
• A comprehensive understanding of high-speed design principles—covering USB, Ethernet, DDR2/3, and HDMI interfaces—and of signal integrity and power integrity validation methods is expected.
• An in-depth understanding of EMC fundamentals, filtering, and shielding strategies, combined with hands-on experience in EMC pre-compliance testing and debugging, is essential.
• Proficient in the practical use of standard laboratory equipment such as oscilloscopes, logic analyzers, multimeters, signal generators, and spectrum analyzers.
• Strong prototype debugging, troubleshooting and repair skills.

General & Leadership Skills

• Experience in mentoring junior engineers.
• Ability to manage technical handovers, address customer issues, and support field troubleshooting.
• Skilled in task decomposition, time estimation, and proactive project communication.
• Upper-Intermediate or higher English proficiency (written and spoken).
• Proactive, self-correcting, and committed to continuous technical improvement through collaboration and hands-on experience.

Qualifications

• M.Sc. or B.Sc. in Electronics Engineering, Electrical Engineering, or related discipline.
• 7+ years of proven experience in hardware development.
• Expertise in full hardware development cycles from concept to production release.
• Familiarity with CE, FCC, EMC, and electrical safety certification standards.

About us and what we can offer:

• 24 working days of paid vacation;
• Paid sick leave;
• Complex lunches right in the office;
• Free English classes twice a week;
• Children's room with a teacher for children of company employees;
• Experienced colleagues willing to share knowledge;
• Regular performance and salary negotiations;
• Professional growth: variety of projects and technologies, mentoring;
• Corporate health insurance;
• Friendly atmosphere, concern for the comfort of specialists;
• Working trips to Denmark to exchange experience with colleagues (discussed individually);
• Ability to work in different projects, one or more at the same time;
• Easy rotation between projects;
• The office has a kitchen, shower, seating area;

ONLY 1−2 interviews (online and/or office)

EKTOS is a dynamically developing company that works with many different clients from all over the world in such areas as healthcare, finance, transport, agriculture, navigation, travel, banking, and many others.

We develop in C / C ++ for various microcontrollers and processors with and without an operating system and create ready-made working prototypes of devices with our departments.

Working at EKTOS will allow you to see projects from both hardware and software sides and get a high level of skill. We care about creating an informal, safe, and open environment in our offices and we offer a competitive salary.

We are looking for a Senior Full Stack Engineer to lead a small, high-impact engineering team responsible for our customer-facing web platform, public API, and the internal platform powering our AI model training workflows.

This role combines hands-on engineering, technical ownership, and team leadership, with a strong emphasis on system design, architectural decision-making, and cross-functional collaboration.

Key Responsibilities:

Team Leadership

• Lead a team of two Full Stack Engineers and one QA Engineer.
• Provide ongoing mentorship, code reviews, and technical guidance.
• Facilitate Scrum ceremonies and ensure smooth sprint execution.
• Maintain high engineering standards, code quality, and delivery velocity.

Technical Ownership

• Own development and maintenance of the customer-facing web application (React + Node.js), external APIs, and the internal AI-training platform.
• Architect, design, and implement backend services using AWS Lambda (serverless) as well as containerized workloads on EC2.
• Oversee performance, scalability, and reliability of Postgres RDS.
• Drive improvements to CI/CD, build pipelines, testing strategy, and infrastructure resiliency.

Ecosystem & Tooling

• Work within a monorepo structure.
• Manage IaC using AWS CloudFormation.
• Maintain monitoring, logging, and alerting pipelines via Coralogix.
• Ensure robust automation with Cypress and Vitest.
• Maintain Docker-based development environments and EC2 deployments.

Cross-Team Collaboration

• Partner with Product Managers to transform requirements into actionable technical plans.

• Coordinate with other engineering teams under the CTO to ensure architectural alignment and shared standards.

   

Key Projects You Will Own:

• Customer-facing web platform (React + Node.js + AWS).
• Internal AI model training platform, including all supporting backend services and tooling.
• Modernization, optimization, and scalability initiatives across the entire stack.

Qualifications:

• Strong experience with TypeScript across frontend and backend.
• Hands-on expertise with React, Node.js, AWS Lambda, EC2, Docker, and Postgres RDS.
• Proven experience mentoring or leading engineers.
• Solid understanding of CI/CD pipelines (GitHub Actions), automated testing, logging, and monitoring.
• Ability to collaborate directly with Product and translate requirements into architecture and execution plans.
• 5+ years of professional software development experience.
• 3+ years of JavaScript/TypeScript experience.

• 1+ year in a Lead Developer or Team Lead role.

   

Nice to Have:

• Familiarity with serverless design patterns.
• Experience with performance tuning for Node.js and Postgres.

Company
The company’s core focus is lead generation in the iGaming domain, primarily through SEO-driven solutions. They work with long-term client projects and are currently expanding their internal development team.

Position
We are looking for a Lead / Senior Full-Stack Engineer(PHP/Wordpress/JS) to join an established front-end team. The role requires a senior-level engineer who can take ownership of complex tasks, contribute to technical decisions, and support overall code quality.

Full-time, long-term cooperation

Location
Remote
Candidates must be located within the EU time zone

Language
English – sufficient for regular communication with the team

Experience
5–10 years of commercial development experience

Team & Projects
You will join a stable, long-term team working on multiple client projects focused on lead generation platforms. The team already includes several front-end developers, and we are looking for a more senior specialist who can take ownership of complex tasks and support overall technical quality.

Tech Stack

• PHP (Symfony)
• WordPress
• JavaScript
• HTML / CSS

Key Requirements

WordPress (advanced level)

• Experience building complex WordPress-based systems (beyond simple blogs)
• Hands-on experience with WordPress Multisite
• Custom plugin development using:
  • Object-Oriented Programming
  • Composer / autoloading
  • Typed properties and variables
  • Custom database tables
• Experience creating custom caching solutions for high-performance systems
• Strong experience with WP_Query for complex queries
• Experience building custom tools to improve the WordPress developer or admin experience

PHP

• 5+ years of experience with modern PHP (8+)
• Experience with phpcs / phpcbf
• Experience defining custom sniffs or working with PHPParser / AST
• Experience with reflection and introspection
• Solid understanding and practical use of DTOs and Value Objects

General

• Experience working with Core Web Vitals and performance optimization

Hiring Process

• 1–2 interview stages
• Typically includes an initial screening interview followed by a technical interview

Start Date
ASAP

Who are we, and what do we aspire to?
Liven is a product company that builds a companion for self-discovery.
We believe that self-discovery is a lifelong journey and want to help people navigate it every step of the way. That’s why Liven is building a system of tools to help people compose themselves and grow into who they want to become.
People use Liven to track their mood, process emotions, and untangle thoughts by chatting with an AI companion. They build new routines with a task planner, explore how their brain and body react to trauma through personalized courses, take well-being quizzes, and relax or refocus with soundscapes.
Our goal is to become the most trusted self-discovery companion globally. Liven is here to define and lead the mental wellbeing category. We aim to earn global trust by building an ecosystem of context-aware products for self-care and improvement. Our brand is optimistic and whimsical, yet wise and practical. We’re Liven! We bring joy back to life!

What will you enjoy most about being on the Liven team?
Since 2023, we’ve been scaling non-stop. We’re expanding the product, the team behind it, and our global reach. Liven has grown a lot since it was just a team of four. But our priority remains the same: building a vibrant culture where we share ideas, speedrun through challenges, and shape the business together.

The Role You’ll Own Senior/Lead Backend Engineer

• Owning backend development within the product domain and actively shaping technical decisions
• Working closely with stakeholders to turn business needs into practical, well-designed solutions
• Setting a high bar for code quality and encouraging best engineering practices in everyday work
• Collaborating with cross-functional teams to improve system integration and make processes smoother
• Continuously evolving the codebase, architecture, services, and development practices
• Leading, mentoring, and coordinating the backend development team

Preferred Experience:

• 5+ years of hands-on backend development experience (Node.js or Python)
• Experience in people management, with a genuine interest in growing and supporting a team (will be a plus)
• Strong communication skills and the ability to work effectively with both technical and non-technical stakeholders
• Ability to work within a dynamic environment

Our Stack:

Node.Js, Nest.js, Typescript, Postgres, Redis, Mongodb, BigQuery, GCP

Why Liven?
People join Liven to bring to life the aspirations they once only dared to imagine.
Here’s what we offer to support you personally and professionally while you grow with us:
— A culture that values your ideas and empowers initiative.
— A growing team of over 150 passionate professionals.
— Health insurance, in-house doctor, and massage therapy.
— Internal professional clubs on marketing, development, payments, customer experience, and entrepreneurship.
— Sports and passion clubs: functional training, stretching, yoga, running, board games and more.
— Opportunities for continuous learning and growth.
— Meaningful work that makes a real impact.We also fund projects that help overcome the consequences of the war and contribute to Ukraine’s recovery through the SKELAR foundation, a charity created and run by our employees.
If you want to shape a product that helps people face challenges, process emotions, heal from trauma, rebuild a positive self-image, and rediscover joy — Liven is the place for you!

Who are we looking for?

You are the biggest Drupal fan we know. You are contagiously enthusiastic and you never stop learning. You already have experience as a web developer in a web agency. You strive to deliver high-quality projects, on time and within budget.

Experience in Drupal 10 is of great importance. You are excellent with PHP, OOP, SQL & JavaScript. And can dive into version control systems like Git with a big smile!

Bonus points

Do you actively participate in the Drupal Community? Then be sure to let us know :)

Responsibilities:

• following best practices to write well-tested, high-performing code;
• implementing new features and functionality;
• ensuring high performance and availability, and managing all technical aspects of Drupal;
• TeamTechLeading;
• responsibility for products architecture.

We offer:

• competitive compensation depending on experience and skills;
• regular performance review and individual career path;
• sick leave and regular vacation;
• compensation for self-development like English class, gym sessions, etc;
• you get great and experienced colleagues for free!
• challenging full-time job
• flexible working hours policy for a good work-life balance, because we find that extremely important!
• good working conditions: new-built office, cozy chairs, coffee & cookies, hookah area.

Remote collaboration is not considered.

We are looking for a Senior .NET/React Software Engineer for an hourly-based contract (3–5 months), with a possibility of extension based on project needs and performance.

You will join an established product team in a US-based product company working on globally adopted, large-scale production platforms used daily by millions of readers, students, and institutions worldwide, contributing to cross-team initiatives and providing technical leadership across mature, business-critical systems!

Given the technical stack and maturity of the product, we are looking for a Senior engineer whose primary, long-term experience is in C# / .NET and React.

About products:

• A global digital reading platform used by millions of readers worldwide.
• A digital reading platform designed for schools and educational institutions.

• A streaming service for films and documentaries.

   

Tech Stack

Most things we build use:

• C#
• NET MVC / Web API
• SQL Server
• React

Common supporting infrastructure includes:

• Centralized logging with Elasticsearch and Kibana
• Messaging with RabbitMQ
• Application monitoring with New Relic

For source control and pull requests, teams choose between:

• GitHub
• BitBucket

We use automated build and deploy, and encourage unit testing.

Our code runs in Microsoft Azure and Amazon AWS, as well as in our own data center.

Team-specific: We’ve adopted other data stores to deal with issues of scale and performance, and to better fit our evolving data models. For example:

• MongoDB
• Azure Table Storage
• Elasticsearch
• Redis
• Kafka

We also have applications that make heavy use of the following technologies:

• Ruby-on-rails
• Node.js
• Ember.js
• A custom JavaScript framework

• Scala

   

Important for us:

1. 7+ non-interrupted years of professional experience with C#, the .NET web technology stack, and React.
2. Senior-level background
3. Strong understanding of web-based architecture and development.
4. Expert knowledge of software development.
5. Expert understanding and ability to create and maintain systems using language appropriate for target or equivalent technologies (i.e. C#, JavaScript, JSON, XML, ASP.NET MVC, etc.).
6. Expert capability to create and maintain SQL and/or document databases as required to support development projects.
7. Leadership aptitude: adept at training and mentoring others.
8. Skilled to consistently reduce software complexity while balancing short-term productivity with long-term maintenance.
9. Track-record of anticipating technical problems and designing solutions to overcome them.
10. Effectively facilitate cross-team work.
11. Understand the business that their code supports.

12. At least Upper-Intermediate English

     

Responsibilities:

Software Development & Ownership

• Develop and maintain new and existing web applications using .NET (C#) and React.
• Own features end-to-end: requirements analysis, design, implementation, delivery, and production support.
• Break down complex initiatives into clear, achievable deliverables.
• Contribute to the design and maintenance of SQL and/or document databases.

Technical Leadership & Architecture

• Provide technical leadership in architecture, design decisions, implementation, and code quality.
• Identify and resolve requirement gaps, reduce technical debt, and improve system maintainability.
• Research and evaluate new technologies to select optimal solutions.
• Contribute to shared codebases, architectural decisions, and engineering standards.

Collaboration & Delivery

• Work independently on small to medium projects and contribute to large cross-team initiatives with a Solution Architect.
• Lead small projects or support medium-sized initiatives.
• Facilitate discussions around user scenarios, technical trade-offs, and delivery optimization.
• Participate in initiatives impacting multiple teams.

Code Quality & Production

• Ensure high code quality through code reviews, pull requests, and pair programming.
• Support testing, performance planning, reliable releases, and production stability.

What you’ll get working with us:

• Short-term hourly-based contract (3–5 months) with a clear scope, transparent expectations, and a possibility of extension based on project needs and performance.
• Opportunity to work on globally adopted, large-scale production products used daily by millions of readers, students, and institutions worldwide.
• High-impact engineering work on mature, business-critical systems — not an MVP or experimental project.
• Collaboration with a strong, cross-functional product team, including experienced backend, frontend, QA engineers, architects, and product stakeholders.
• A senior-level engineering environment with a strong focus on code quality, architecture, scalability, and long-term maintainability.
• Modern technology stack, automated CI/CD pipelines, cloud infrastructure (Azure & AWS), and engineering best practices.
• Autonomy and ownership: real influence on technical decisions, architecture, and implementation.
• Fully remote work with a distributed, well-organized team.
• Professional, respectful communication and a well-established engineering culture.
• Valuable experience working with well-known US-based digital products that strengthen your professional profile.

If we are a match — we are waiting for you! Send your CV!

We are looking for a Middle .NET/React Software Engineer for an hourly-based contract (3–5 months), with a possibility of extension based on project needs and performance.

You will join an established product team in a US-based product company working on globally adopted, large-scale production platforms used daily by millions of readers, students, and institutions worldwide!

Given the technical stack and maturity of the product, we are looking for a Middle engineer whose primary, long-term experience is in C# / .NET and React.

About products:

• A global digital reading platform used by millions of readers worldwide.
• A digital reading platform designed for schools and educational institutions.

• A streaming service for films and documentaries.

   

Tech Stack

Most things we build use:

• C#
• NET MVC / Web API
• SQL Server
• React

Common supporting infrastructure includes:

• Centralized logging with Elasticsearch and Kibana
• Messaging with RabbitMQ
• Application monitoring with New Relic

For source control and pull requests, teams choose between:

• GitHub
• BitBucket

We use automated build and deploy, and encourage unit testing.

Our code runs in Microsoft Azure and Amazon AWS, as well as in our own data center.

Team-specific: We’ve adopted other data stores to deal with issues of scale and performance, and to better fit our evolving data models. For example:

• MongoDB
• Azure Table Storage
• Elasticsearch
• Redis
• Kafka

We also have applications that make heavy use of the following technologies:

• Ruby-on-rails
• Node.js
• Ember.js
• A custom JavaScript framework

• Scala

   

Important for us:

1. 5 non-interrupted years of professional experience with C#, the .NET web technology stack, and React.
2. Solid hands-on experience with .NET (C#) and modern JavaScript frameworks (React).
3. Good understanding of software development fundamentals and best practices.
4. Practical experience building and maintaining applications using C#, JavaScript, JSON, XML, ASP.NET MVC / Web API.
5. Experience working with SQL and/or document databases in production environments.
6. Ability to write clean, maintainable code and improve existing solutions.
7. Understanding of how to balance delivery speed with code quality and maintainability.
8. Ability to identify technical issues and propose reasonable solutions with guidance when needed.
9. Experience working in a collaborative, cross-functional team environment.
10. Understanding of the business context behind the features being developed.

11. Upper-Intermediate English or higher.

     

Responsibilities:

• Develop and maintain web applications using .NET (C#) and React, implementing features based on defined requirements and designs.
• Work with SQL and/or document databases to support application functionality.
• Collaborate with Senior Engineers and Solution Architects on small to medium-sized projects and cross-team initiatives.
• Break down assigned tasks and user stories into manageable implementation steps and deliver them on time.
• Write clean, maintainable code and participate in code reviews, incorporating feedback.
• Assist with testing, bug fixing, releases, and production support under guidance.
• Participate in technical discussions, raise questions proactively, and suggest improvements.

• Continuously improve technical skills and contribute to shared codebases and team standards.

   

What you’ll get working with us:

• Short-term hourly-based contract (3–5 months) with a clear scope, transparent expectations, and a possibility of extension based on project needs and performance.
• Opportunity to work on globally adopted, large-scale production products used daily by millions of readers, students, and institutions worldwide.
• High-impact engineering work on mature, business-critical systems — not an MVP or experimental project.
• Collaboration with a strong, cross-functional product team, including experienced backend, frontend, QA engineers, architects, and product stakeholders.
• A middle+ level engineering environment with a strong focus on code quality, architecture, scalability, and long-term maintainability.
• Modern technology stack, automated CI/CD pipelines, cloud infrastructure (Azure & AWS), and engineering best practices.
• Autonomy and ownership: real influence on technical decisions, architecture, and implementation.
• Fully remote work with a distributed, well-organized team.
• Professional, respectful communication and a well-established engineering culture.

• Valuable experience working with well-known US-based digital products that strengthen your professional profile.

   

If we are a match — we are waiting for you! Send your CV!

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.

About the Job

As a backend lead developer, you will be a key part of our new ground control station team to improve the capabilities and usability of our VTOL systems. You will take an empowering role: pushing the boundaries of drone technologies. You will be working closely with stakeholders from the Flight Control, AI, and System Test departments to improve and extend our ground control station software.

With the software development of features for our ground control station, you’ll support Quantum Systems‘ mission to transform decision-making processes through aerial data intelligence.

What is your Day to Day Mission:

• Design and implementation of features for our new ground control station software
• Participate in maintenance and improvement of existing ground control station software
• Optimization of UI and UX for drone use cases

• Execution of test procedures and flight tests

   

What you bring to the team:

• You have completed a technical university or a comparable background with a finished degree.
• You are highly experienced in application development, ideally with Rust, C++ or C# experience with automated testing or development, and optionally experience in drones, robots, and geoinformation systems.
• You are experienced in setting up development processes to achieve high delivery and maintenance effectiveness.
• You have a high learning ability and an independent way of working, strong programming skills with an interest in software design and quality.
• You have high-level analytical skills, able to design and lead technical decisions to the end goal.
• You have deep understanding on how things should be done vs how they’re usually implemented.
• You are highly self-motivated and drive your area of responsibility independently.
• Due to your open, communicative, friendly, and competent attitude, it is easy for you to be considered as an internal expert by your colleagues.
• Communication in English is a matter of course for you.

Why Quantum-Systems:

• We Stand with Ukraine
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.