Jobs Developers

We are looking for a strong Java Tech / Team Lead who combines hands-on development with technical leadership for a team of 4–5 engineers. This is a true 70% hands-on / 30% leadership role.

The company is building a modern platform that processes real-time market data and helps users make trading decisions based on deep analytics and market insights.

Key Responsibilities:

• Develop backend architecture and APIs
• Work with payments, subscriptions, and external integrations
• Ensure platform stability and continuous improvements
• Participate in system migrations and platform evolution
• Mentor and support a small engineering team
• Collaborate closely with the CTO and Product team

Requirements:

• 8+ years of backend development experience (Java + Spring)
• 2+ years in a Tech Lead / Team Lead role
• Strong experience with PostgreSQL and REST APIs
• Experience with CI/CD and Docker
• Strong understanding of complex distributed systems and integrations
• English level B2+

Nice to have:

• Experience with Stripe / payments / subscription systems
• Knowledge of OAuth2 / Keycloak
• Experience with legacy systems or migration projects
• Interest in fintech or trading domains

What we offer:

• Direct impact on a product used by thousands of traders worldwide
• Small, strong engineering team
• Fully remote work environment
• Modern fintech product with real-time data challenges
• Opportunity to shape both legacy and next-generation architecture

Noltic is a dynamic and innovative organization that specializes in Salesforce. We are seeking a highly motivated and experienced Salesforce Marketing Cloud Specialist who craves a challenge and feels enormous potential

What you will do

• Develop and execute email marketing campaigns using Salesforce Marketing Cloud.
• Create personalized customer journeys and segmentation strategies.
• Monitor and optimize email marketing performance, including open rates, click-through rates, and conversion rates.
• Collaborate with cross-functional teams to ensure the integration of Salesforce Marketing Cloud with other systems and platforms.
• Stay up-to-date with industry trends and best practices in email marketing and automation.
• Advising clients
• Ability to clearly understand business needs
   

We are looking for

• 2+ years of experience in using Salesforce Marketing Cloud.
• Strong understanding of email marketing best practices, segmentation, and A/B testing.
• Proficiency in HTML/CSS for email template customization.
• Goal-oriented and self-disciplined.
• Excellent communication and analytical skills.
• Proficiency in the English language.
• Salesforce Marketing Cloud certification is a plus.

We Offer

• Highly experienced team with 10+ years in both technology and business
• Challenging, inspiring projects using modern technologies
• Reimbursement of professional certifications
• Well-being bonus (medical Insurance, sports compensation, mental health program) after the probation period
• Corporate English and German classes
• Professional development plan
• 18 working days paid vacation
• Law agency support through our partner law agency
• Regular performance reviews and a competitive salary
• Flexible working schedule and employee-friendly HR policy
• Delicious coffee from Chehovych Roastery at the Lviv office

Project description

One of the world's largest providers of products and services to the energy industry has a need to develop and support enterprise information system in Oil & Gas domain.
Product being developed is a cloud solution for interpretation of geological and geophysical data. Project is based on SCRUM methodology.
Our project is stable, long-term and constantly adopts new technologies such as newest Java and Eclipse RCP versions, cloud and GPU computing, microservices architecture and other innovative frameworks.
Work supposes close cooperation with Customer team located in Houston and following Agile principles.
Our team is senior, supportive and friendly.

Responsibilities

Collaborate closely with geophysicists, data scientists, and software engineers to translate scientific domain requirements into robust on-prem or Cloud software

solutions.

Design, develop, and maintain high-performance applications for geophysical and geological data analysis, interpretation and visualization (e.g., seismic, horizon,

fault, velocity model, etc.)

Present architectural designs and technical proposals to the architecture review board.

Ability to break down development tasks and lay out clear implementation roadmaps.

Implement and optimize computation algorithms

Design and develop both thin and thick client applications that interact with cloud-based microservices.

Ensure high code quality through unit testing, code reviews, security hardening and continuous integration with other domain tools

Provide technical support and lead user troubleshooting sessions to resolve issues and ensure smooth operation of DSG application.

Mentor junior developers and actively contribute to architectural and implementation decisions.

Embrace Agile/Scrum methodologies, delivering and demonstrating working solutions at the end of each sprint

Stay current with emerging technologies and trends in geophysical computing and software development.

Skills

Must have

6+ years of hands-on Java development experience

Strong Java Core knowledge

Experience with desktop development frameworks: Swing, SWT, or Eclipse RCP

Proven experience designing and building complex systems end-to-end, not just maintaining or extending existing ones

Practical understanding of multithreaded programming: ability to implement concurrency in code directly, not only through third-party libraries

Solid knowledge of design patterns and software architecture principles

Ability to clearly articulate past projects, personal responsibilities, and concrete individual contributions

Experience working in non-microservices, non-cloud-native development environments (desktop, embedded, or domain-specific platforms)

Stable career trajectory, no fragmented job history with short tenures

Nice to have

C++ development skills

Practical experience with the Eclipse RCP framework

OSGi knowledge

Oil & Gas domain experience

Languages

English: B2 Upper Intermediate

Project

US/Canada event tickets purchase platform with tickets, event, locations, performers aggregation via third-party API, booking, purchase, payments.

Requirements:

— 1 year of commercial experience with JavaScript, TypeScript, React, Next.js
— 1 year of commercial experience with HTML, CSS, Tailwind CSS
— basic knowledge Python and Django REST Framework;
— Ability to communicate in English
— Understanding of REST principles
— The knowledge of basic HTTP principles
— Experience with git & github
— Knowledge of the agile & scrum the basics

Nice to Have:
— Skills in FastAPI, react-router-v7
— Advanced knowledge of PostgreSQL
— Experience with Celery, Redis
— Familiarity with MongoDB

Department/Project Description

The Client's Digital Health organisation is a technology team focused on next-generation Digital Health capabilities which deliver on the company's 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 among other advanced technologies which enhance our product portfolio with new services, while improving clinical & patient experiences.

Job Description

Healthcare, Medical Device, Python, FHIR/HL7v2, EPIC/Cerner

- FHIR & HL7V2: Working knowledge and experience in implementing healthcare data exchange solutions with FHIR and HL7v2 standards.

- 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: Strong programming skills in Python

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

- HealthCare Interoperability Tools: Previous experience with integration engines such as Intersystems, Lyniate, Redox, Mirth Connect, etс. 

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

- Scripting and automation: experience in scripting languages 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)

- Documentation: Experience with markdown and in particular Antora for creating technical documentation

Preferred: Previous Healthcare or Medical Device experience

- 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 in a scalable, microservices-based architecture

- 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 meet 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…)

About the Project

We are supporting a long-term client with a strong background in React and Node.js development, working with major telecom companies such as AT&T, Vodafone, and Telos International.

This engagement marks a new direction for the client: their first Shopify-based project.

The end customer operates in the mobile device diagnostics industry, providing a proprietary system that combines hardware (USB diagnostic hubs) and software to automatically assess the condition of mobile devices (battery health, memory, display, etc.) when plugged in.

Their solution allows retailers and telecom operators to instantly evaluate returned phones without sending them to repair centers, significantly reducing logistics costs and turnaround times.

The company originally started in the law enforcement sector, building tools for mobile data extraction during investigations, before pivoting into commercial telecom and retail diagnostics.

Project Overview

• Existing Shopify store already exists for mobile devices, but the new project is expected to be a significant rebuild or extension rather than a simple theme update
• Strong focus on backend-heavy Shopify development
• Work will include:
  • Custom Shopify app development
  • API integrations between Shopify and external systems
  • Logistics and warehouse workflow automation
  • Connection between Shopify storefront and proprietary diagnostic backend platform
• Scope is expected to go beyond standard Shopify theme customization

Technical Focus

We are specifically looking for a Shopify Developer with strong backend capabilities, including:

• Shopify Apps (custom/private apps)
• Shopify Admin API / Storefront API
• Node.js backend development
• API design & integrations
• Experience with warehouse/logistics or ERP-style systems (strong plus)
• Ability to work on system architecture beyond frontend theming

Ideal Candidate

You are a strong fit if you:

• Have solid Shopify backend / app development experience
• Are comfortable building integrations between Shopify and external systems
• Think in APIs, workflows, and system architecture rather than only themes/UI
• Can work independently in an initially unclear scope
• Communicate clearly and reliably in a fast-moving client environment

Inviting Senior .NET Software Engineer to join a growing account in the medical devices industry domain. Our client is the global leader company of healthcare solutions, which contributes to human welfare by application of biomedical engineering in the research, design, manufacture, and sale of instruments or appliances that alleviate pain, restore health, and extend life for people around the world.

Our team is focusing on designing, developing, and testing embedded software for medical devices, where the software has strong restrictions for safety and quality, power management, and memory usage. Project for this position intends to extend medical device capabilities with PC application that will serve cloud services connectivity for existing device.

Requirements:
4+ years of experience in C# application development

• Experience with AWS / Azure microservices and contenerisation
• Nice to have experience in Windows standalone appplication development
• Services integration experiences
• Upper-Intermediate English (be able to communicate with the client)
• Good communication skills

Job responsibilities:

• Design and development of standalone application that connects and uses AWS & Azure based services
• Develop AWS services
• Coopeare on architecture design
• Participate in new features implementation
• Communicate with the client
  
   

We are looking for a Senior Backend Developer to join our Data Ops team. You will design, build, and maintain the backend systems that power our data pipelines, automation workflows, and internal tooling. This role blends deep Python expertise with cloud-native architecture, a pragmatic approach to automation, and a growing focus on integrating AI/ML capabilities into our platform. You will work closely with data engineers, front-end developers, and product stakeholders to ship reliable, scalable software.

Technology Stack

Python 3.11 — 3.14, AWS (Lambda, ECS, S3, Step Functions, CloudWatch),
Kubernetes, MongoDB, Redis, Apache Kafka, Pytest, GitHub Actions / Jenkins, Docker, SciPy, NumPy, pandas, scikit-learn, LLM APIs (OpenAI / Anthropic)


Responsibilities & Duties

— Architect and deliver efficient, well-documented, and highly readable backend services that set the quality bar for the team.
— Design and maintain automation pipelines (CI/CD, scheduled jobs, event-driven workflows) that reduce manual effort and improve reliability.
— Build lightweight internal dashboards, admin panels, or API-driven front-end components using frameworks such as React, Vue, or Streamlit to surface data and system health to stakeholders.
— Integrate AI/ML models and LLM-based features into backend services, including prompt engineering, embeddings pipelines, and retrieval-augmented generation (RAG) patterns.
— Dive into new technologies and product disciplines, driving innovation and staying current with the evolving AI and data engineering landscape.
— Define development plans based on project requirements and ensure timely delivery while remaining flexible to changing priorities.
— Oversee the stability of your services, monitoring system health, uptime, and performance post-release through observability tooling (CloudWatch, Datadog, or similar).
— Lead code reviews with peers, fostering a culture of continuous improvement, knowledge sharing, and engineering best practices.


Qualifications & Skills

Required
— 7+ years of hands-on Python development on large-scale, production systems.
— Strong experience with NoSQL databases (MongoDB preferred) and ability to design performant data models.
— Practical knowledge of AWS services and cloud-native design patterns.
— Experience building or maintaining CI/CD pipelines, automated testing suites, and infrastructure-as-code.
— Comfortable presenting ideas and technical details clearly to cross-functional teams.

Nice to Have
— Familiarity with front-end frameworks (React, Vue, or Streamlit) for building internal tools or dashboards.
— Hands-on experience with AI/ML workflows: training pipelines, model serving, or integrating LLM APIs.
— Knowledge of Kubernetes for container orchestration and scaling.
— Experience with event-driven architectures using Kafka or similar streaming platforms.
— Contributions to open-source projects or a visible engineering blog / portfolio.


What We Offer

— Working on great tech stack (app platform) with truly big data (processing 1TB every day)
— Product company with a long-term vision
— Project exposure and ownership that impacts our users, product, and business
— Medical insurance
— Sport benefit

We are looking for a Senior Embedded Vision Integration Engineer to build and integrate sensor pipelines for precision turret systems operating under strict real-time and hardware constraints.

You will be responsible for connecting and synchronizing cameras, rangefinders, and optical sensors into a cohesive embedded platform — ensuring reliable, low-latency data delivery to targeting and control systems. This role is ideal for someone who owns the full integration layer: from hardware bring-up and driver configuration to pipeline architecture and system-level testing. You will work directly on defense projects for Ukraine, seeing a short path from implementation to field testing.

What We Offer

• Direct contribution to defense projects for Ukraine.
• Collaboration with top experts in vision hardware, robotics, and embedded systems.
• Ownership of key architectural and integration decisions.
• Competitive compensation based on experience.
• Temporary military service exemption for work on defense-critical projects.

Requirements

Core Technical Skills — Required

• 5–8 years of commercial embedded software development.
• Degree in Computer Science, Electrical Engineering, Physics, or similar.
• Strong Linux embedded development experience (NVIDIA Jetson, ARM SoCs).
• Solid C++14/17/20; Python for tooling and scripting.
• Hands-on experience with camera integration: MIPI CSI, USB3, GigE Vision, RTSP streams.
• Low-latency video pipeline development: GStreamer, V4L2, DeepStream.
• Experience integrating rangefinders (laser, stereo-based) and reading/fusing sensor output at the system level.
• Understanding of optical systems: FOV characteristics, wide-angle vs. narrow-angle lenses, zoom control interfaces.
• Experience with hardware bring-up, device trees, kernel modules, or BSP customization.
• Solid understanding of real-time constraints, latency budgeting, and system timing.
• Ability to work independently with minimal supervision.

Will Be a Plus

• Experience with thermal/IR cameras and night-vision imaging.
• PTZ or stabilized gimbal integration.
• IMU integration and sensor fusion basics.
• ROS/ROS2 experience.
• Multi-sensor time synchronization (PPS, hardware triggers, PTP).
• MLOps or model deployment pipelines on edge devices.
• Mission-critical or safety-critical systems experience.
• Remote telemetry or monitoring tooling.

Responsibilities

• Integrate and configure EO/IR cameras, laser rangefinders, and optical sensors into the turret platform.
• Build and maintain low-latency video pipelines supporting wide-angle (search/acquisition) and narrow-angle (tracking/engagement) channels.
• Implement FOV switching logic, inter-channel synchronization, and sensor alignment.
• Interface with rangefinder hardware and expose distance data to the targeting subsystem.
• Perform camera calibration and sensor-to-sensor geometric alignment.
• Collaborate with the CV team to ensure clean, well-timed data delivery to detection and tracking modules.
• Integrate sensor outputs with turret control and stabilization systems.
• Participate in hardware selection and system architecture decisions.
• Ensure robustness and reliability of deployed sensor systems under field conditions.
• Support field testing, debugging, and system maintenance.

Project Description

A program of projects within the Energy domain. We will work on various applications covering generation control, distribution control, transmission control, and service crews control. The implementation area of these products is very high-scale (e.g. country-wide systems).

Job Description

• 6+ years of experience as .Net developer
• hands-on experience with TypeScript
• Proven experience in working with teams/architects/ POs from the client-side
• Proven experience with Azure, Azure DevOps
• Proven experience with both desktop and cloud-based applications
• OOP Development, Design Patterns, Best Practices
• Good English to work with clients directly

Job Responsibilities

• Strong problem-solving and follow-up skills; must be proactive and take initiative
• Professionalism and the ability to maintain the highest level of confidentiality
• Create robust code and translate project requirements into business logic 
• Develop code using development best practices, and an emphasis on security best practices
• Leverage technologies to support business needs to attain high reusability and maintainability of current and newly developed systems
• Provide system design recommendations based on technical requirements
• Work independently on development tasks with a minimal amount of supervision
• Write effective unit tests and integration tests to ensure high-quality software delivery

Since 2021, Codefinity has been on a mission to make tech education accessible to everyone. Today, our platform helps hundreds of thousands of learners globally, and we’re just getting started. We are looking for a Backend Developer to help us build high-performance systems that can handle our rapidly growing global user base.

Do you enjoy solving complex architectural challenges? Do you want to see your code power a platform used by millions? At Codefinity, your engineering decisions directly impact the learning journey of thousands of future developers. If you're ready to build clean, scalable, and impactful technology, let’s talk.

📍 Key Responsibilities:

Microservices Development: Design, develop, and maintain microservices using Go. 
CI/CD Optimization: Build and refine CI/CD pipelines to automate testing, delivery, and deployment processes. 
Infrastructure Management: Maintain cloud infrastructure and deployment environments to ensure system reliability. 
Engineering Excellence: Uphold high standards through rigorous code reviews, automated testing. 

📍Required Qualifications:

Education: Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field. 
Core Engineering: Strong fundamentals in software design, focusing on writing clean, flexible, and scalable code. 
Go Expertise: Proven hands-on experience developing backend applications with Go. 
API & Data: Solid understanding of RESTful APIs and proficiency in working with SQL databases. 
Containerization: Practical experience with Docker for containerizing applications and managing environments.

What do we offer:

• Work within an ambitious team on a socially impactful education product.
• 20 working days of paid vacation per year, plus public holidays.
• An office with a reliable shelter, generators, satellite internet, and other amenities.
• Access to our corporate knowledge base and professional communities.
• Compensation for English language learning, external training, and courses.
• Medical insurance and full sick leave compensation.
• Company doctor and massage in the office.
• Sports activities: running, yoga, boxing, and more.

Impact Scale is seeking to hire a Senior PHP Developer to join our team to enhance, maintain, and scale our flagship communications platform — a mission-critical system that delivers reliable, high-speed communication at scale.

Responsibilities:

• Work with the existing team to understand project requirements and plug into our workflow.
• Collaborate with product managers, DevOps, and QA to roll out new features and improve system stability.
• Build and improve backend features in PHP - Laravel
• Optimize message delivery pipelines, database queries, and API calls for speed and reliability.
• Maintain integrations with carrier APIs, third-party services, and internal microservices.
• Design and optimize MySQL schemas for large datasets with high transaction rates.
• Improve caching, queuing, and load-balancing strategies to handle millions of daily requests.
• Write clean, testable code with strong error handling and fault-tolerant design.
• Provide guidance to junior developers and participate in peer code reviews.

Qualifications/Skills:

• 5+ years of PHP development experience, preferably in Laravel
• 3+ years in SQL, query optimization, and data modeling.
• Experience in a similar high load project or platform
• Advanced understanding of OOP, MVC architecture, RESTful API development, Ribbit MQ.
• Basic knowledge of JavaScript, HTML, CSS (Vue.js or React a plus).
• Git, Jira, Docker familiarity preferred.

We are looking for C# developer for our music software

( work in Lviv or Kyiv,

remote work possibility ):

www.MusConv.com

About the project:

MusConv is b2c music software which helps people synchronize their music between music services: Spotify, Apple Music, YouTube Music, Amazon Music, Tidal and others.

We offer:

Challenging interesting project

Professional growth and development program

Flexible schedule

Team of highly talented individuals

Access to developer courses like https://www.pluralsight.com

Mentor: code reviews, studying( fiddler, postman, asynchronous programming, etc.)

5% of sources is simple gui based on xaml( avalonia similar to wpf )

95% of sources is regular .net standard( backend to interact with different music services )

We are looking for C# developer to implement new features

Responsibilities:

• Develop and maintain scalable and efficient mobile applications using React Native.
• Work closely with back-end developers to integrate APIs and business logic into mobile apps.
• Design and implement smooth, performant UI components and navigation flows.
• Optimize applications for maximum performance across iOS and Android platforms.
• Collaborate with cross-functional teams to define and implement new features.
• Write clean, maintainable, and testable code following industry best practices.

Requirements:

• 5+ years of experience in full-stack or mobile web development.
• Strong proficiency in React Native for cross-platform mobile development.
• Understanding of mobile performance optimization, memory management, and render cycles.
• Familiarity with version control systems (Git).
• Experience working with relational and non-relational databases (e.g., MySQL, MongoDB).
• Practical hands-on experience with AI prompt engineering, leveraging Claude Code, Cursor, GitHub Copilot, or equivalent developer-AI tools.
• Solid understanding of LLM context design, tool integration, and code-generation workflows.
• Ability to effectively decompose complex mobile features into AI-assisted development tasks, accelerating delivery without sacrificing code quality.
• Familiarity with prompt chaining, retrieval-augmented generation (RAG), and agent-based workflows as applied to real product features.
• Comfort working in a hybrid development model where AI tools handle boilerplate and scaffolding, while the developer focuses on architecture, review, and edge cases.

Nice to have:

• Experience with back-end development using Node.js.
• Knowledge of APIs and microservices architecture.

Responsibilities:

• Develop and maintain scalable and efficient web applications.

• Work closely with front-end developers to integrate APIs and back-end logic.

• Design, implement, and maintain databases, ensuring their stability and scalability.

• Optimize applications for maximum speed and scalability.

• Collaborate with cross-functional teams to define and implement new features.

• Write clean, maintainable, and testable code following industry best practices.

• Leverage AI-assisted development tools to accelerate delivery, improve code quality, and streamline repetitive engineering tasks.

Requirements:

• 5+ years of experience in full-stack web development.

• Strong proficiency in back-end using Node.js

• Experience working with relational and non-relational databases (e.g., MySQL, MongoDB).

• Knowledge of front-end technologies (React.js, Vue.js, Angular) is a plus.

• Familiarity with version control systems (Git).

• Experience with APIs and microservices architecture.

• Practical hands-on experience with AI prompt engineering, leveraging Claude Code, Cursor, GitHub Copilot, or equivalent developer-AI tools.

• Solid understanding of LLM context design, tool integration, and code-generation workflows.

• Ability to effectively decompose complex back-end features into AI-assisted development tasks, accelerating delivery without sacrificing code quality.

Nice to have

• Experience with React Native

• Understanding of mobile performance optimization, memory management, and render cycles