Jobs at Djinni

Middle Full Stack Engineer

We’re building the Production ready system from the PoC and looking for a Middle Full Stack Engineer who enjoys creating scalable products and taking ownership of real technical decisions. You’ll work closely with product and design teams, shape parts of the architecture, and help turn ideas into a production-ready platform.

Requirements:

• 3+ years of software development experience with JavaScript, TypeScript, and modern ES6+
• Good experience with React and Next.js
• Good experience with backend development using Node.js / NestJS
• Hands-on experience with MongoDB and PostgreSQL
• Experience building scalable applications and contributing to system architecture
• Comfortable working in fast-paced, product-driven environments
• Good communication skills and ability to collaborate with both technical and non-technical stakeholders
• Upper-Intermediate English (B2+)

Nice to Have:

• Experience with MQTT
• Experience with React Native or WebSockets
• Experience working in startup or early-stage environments
• Experience building applications that can be deployed on both OnPrem and Cloud platforms
• Experience with Azure, IoT Hub, Microsoft Entra ID

Responsibilities:

• Develop and deliver key features of a new product from concept to launch
• Contribute to the design and implementation of scalable frontend and backend architecture
• Collaborate closely with product, design, and engineering teams
• Continuously improve performance, reliability, and scalability of the platform.

Project: Logistics & Amazon Fulfillment Platform

We're building an AWS-based logistics and fulfillment platform designed to support Amazon fulfillment requirements.

The platform will replace several manual workflows currently spread across Ecwid, Smartsheet, Monday.com, and Trucker Tools, providing:

• Order-level tracking
• Delivery status management
• Proof-of-delivery workflows
• Driver-facing functionality
• Better operational visibility

Responsibilities

• Develop frontend features using React, Next.js, and TypeScript
• Build operational dashboards and workflow interfaces
• Integrate frontend applications with APIs and middleware services
• Implement order tracking, delivery status, and proof-of-delivery functionality
• Collaborate with backend engineers, QA, designers, and product stakeholders
• Convert Figma designs into production-ready UI
• Support real-time and near-real-time operational updates

• Write scalable, maintainable frontend code

   

Requirements

• Strong commercial experience with React
• Strong experience with Next.js
• Solid TypeScript skills
• Experience building business applications, dashboards, or admin panels
• Good understanding of REST APIs and frontend-backend integrations
• Experience working with async data, loading states, and error handling
• Experience implementing UI from Figma
• Strong communication skills

• Comfortable working in evolving projects and fast-changing environments

   

Nice to Have

• Experience in logistics, transportation, fulfillment, or e-commerce
• Experience with delivery tracking or driver-facing applications
• Experience with geolocation, maps, or geofencing
• Experience with photo upload workflows
• Familiarity with AWS-based applications
• Experience with real-time updates, webhooks, or event-driven systems

• Familiarity with Monday.com, Smartsheet, Ecwid, Trucker Tools, or similar platforms

   

What You'll Build

• Amazon-compliant order tracking workflows
• Proof-of-delivery functionality
• Operational dashboards for dispatch and fulfillment teams

• Foundation for future modules including dispatch, route planning, inventory management, and customer service

   

What you get

• Long-term project with transparent processes and stable growth
• Opportunity to influence technical decisions
• Flexible schedule, remote, or office in Lviv
• Transparent compensation + full accounting support
• Paid vacation and sick leave
• Internal training and certification support
• High-quality work equipment

• Direct influence on product and architecture

   

Job Description

We are looking for a C++ developer who will take an active part in dedicated areas of our projects and become co-domain owner.
This role requires a blend of problem-solving, algorithm skills, and the ability to collaborate effectively within a team.

Experience & Skills

• 3+ years of professional experience in C++ development.
• Experience programming in Linux or Unix-like environments.
• Knowledge of C++ with hands-on experience in interprocess communication (performance optimization will be a plus).
• Experienced with a large code base, critical components.
• Basic networking knoweldge
• Strong algorithmic background and thinking.
• Proactive, balances speed and quality.
• Strong communication skills: ability to explain problems clearly and engage the right people for resolution.

Preferred Skills (Nice-to-Have)

• Professional development in the communication industry
• Experienced with packet processing, QoS and L2+L3 networking
• Experience with distributed systems and high-performance applications
• Experience with embedded development, configuration of switch chips
• Experienced with K8s & containers
• Development over DPDK framework
• Experience with Docsis\PON
• Familiarity with scripting languages (e.g., shell scripting, Python).

Job Responsibilities

• Design and implement network-oriented applications in Linux userspace.
• Work on system-level modules, infrastructure components, and performance-critical features.
• Contribute to architecture and design discussions, including scalability, reliability, and maintainability.
• Implement new modules and features, and continuously improve existing components.
• Collaborate closely with distributed international teams.

Department/Project Description

Broadband team works on 2nd generations of Harmonic (NASDAQ:HLIT) Cable Access products: actively developing the industry’s first software-based CCAP solution (“Cable OS”) and cloud native CMTS.

These solutions allow to cable operator companies to deliver the IP-based data, video, and voice services to millions of customers. Focus is given to CableOS which will allow to get rid of the existing HW equipment and to migrate to the cloud, saving customers the enormous expenses for the support of HW network equipment.

The system is based on microservice architecture and is running on the general purpose CPUs. It doesn’t require using ASICs and make possible to run the SW both on the bare metal servers as well as on the private cloud infostructure. CableOS is a pioneer in DOCSIS software defined networking (SDN) with all the benefits it gives to the service providers.

GlobalLogic team is involved in development, manual and automated testing, as well as in solution integration at customers’ headend and further technical support 24/7 with providing professional services for Customers.

To learn more - please visit

HTTPS://WWW.HARMONICINC.COM/BROADBAND/
HTTPS://WWW.GLOBALLOGIC.COM/UA/HARMONIC-AND-GLOBALLOGIC/

We are looking for a strong Senior Business Analyst / System Analyst who can structure complex business processes, translate operational and product needs into clear requirements for the development team, and act as a key link between business, product, and engineering.

This role is for someone who can deeply understand processes, identify dependencies between system modules, quickly navigate complex scenarios, and turn them into a logical, clear, and implementable structure.

Product: a ticketing / event-tech platform for the European market within the e-commerce domain, with multiple integrations, operational scenarios, automations, and AI-driven processes.

Requirements

• 5+ years of experience in IT as a Business Analyst / System Analyst / Product Owner
• Experience with complex systems, multi-module products, or enterprise solutions
• Experience with e-commerce products, marketplaces, transactional platforms, or products with multiple user and operational scenarios
• Understanding of e-commerce processes: user journey, checkout, orders, payments, refunds, availability / inventory, notifications, customer support flows
• Experience analyzing and documenting interactions between modules, services, APIs, and external integrations
• Understanding of SDLC and Agile / Scrum / Kanban principles
• Ability to quickly structure large volumes of unstructured information
• Experience documenting business processes, user flows, use cases, system logic, and interaction scenarios
• Experience creating documentation: BRD, SRS, User Stories, Use Cases, BPMN, workflow diagrams
• Ability to translate business requests into clear development tasks
• Experience with Confluence, Jira, Miro, Draw.io, Figma, or similar tools
• Experience with AI tools or AI-driven processes for analysis, information structuring, documentation automation, or workflow optimization
• Systems thinking, strong self-organization, ownership, and communication skills

Nice to Have

• Experience in ticketing / event-tech / event management / entertainment / booking systems
• Experience with products for the European market
• Experience in fintech, SaaS, or enterprise products
• Experience as an Operational BA or Enterprise Systems Analyst
• Experience launching new products, modules, or internal transformation projects
• Experience with high-load operational products or systems with a large number of transactions and integrations
• Understanding of payment flows, fraud checks, invoices, reporting, or customer support automation
• Hands-on experience with LLM tools, chatbots, scoring systems, or internal AI tools

Responsibilities

• Analyze, structure, and document business requirements and processes
• Identify weak points in current processes and suggest improvements
• Prepare technical specifications, user stories, workflow diagrams, BPMN, and other project documentation
• Describe system logic, module interactions, services, and integrations
• Decompose complex business tasks into clear stages for the development team
• Collaborate with product, operations, and engineering teams
• Participate in designing new features, modules, automations, and AI-driven solutions
• Maintain and develop the product knowledge base
• Prepare diagrams, mockups, flows, and user scenario descriptions
• Participate in discovery phases for new products and internal transformation projects
• Ensure consistency between business needs and technical implementation

Working Conditions

• Remote work format
• Paid vacation and sick leave
• Minimal bureaucracy and fast decision-making
• Direct collaboration with the product and key decision makers
• Opportunity to influence process architecture and product development
• Result-oriented and growth-focused team
• Competitive salary
• Work in a Ukrainian product company actively scaling in the European market

PLEASE NOTE that we are searching for candidates who are located in Lviv and are able to visit office in Lviv.

About us:

EveryMatrix is a leading B2B SaaS provider delivering iGaming software, content and services. We provide casino, sports betting, platform and payments, and affiliate management to 200 customers worldwide.

But that's not all! We're not just about numbers, we're about people. With a team of over 1000 passionate individuals spread across twelve countries in Europe, Asia, and the US, we're all united by our love for innovation and teamwork.

EveryMatrix is a member of the World Lottery Association (WLA) and European Lotteries Association. In September 2023 it became the first iGaming supplier to receive WLA Safer Gambling Certification. EveryMatrix is proud of its commitment to safer gambling and player protection whilst producing market leading gaming solutions.

Join us on this exciting journey as we continue to redefine the iGaming landscape, one groundbreaking solution at a time.

We are looking for a passionate and dedicated Trainee Technical Support Engineer to join our team in Lviv!

What You'll get to do:

• Validate deployments and monitor release activities across different environments
• Assist with CI/CD-related tasks and basic troubleshooting of deployment issues
• Perform game and integration verification after releases
• Analyze application logs and collect technical information for troubleshooting
• Work with REST APIs, Postman, JSON payloads, and configuration files
• Verify launch URLs, domains, and environment-specific configurations
• Assist QA teams and operators with technical investigations and issue resolution
• Collect and analyze HAR logs and browser network traces
• Perform basic database checks using SQL queries
• Escalate complex issues to developers or the TechOps Team Lead engineers when required
• Participate in continuous improvement of operational processes and monitoring practices

What You need to know:

Technical Skills

• Web & Network Basics
• Knowledge of HTTP methods
• API Testing & Data Structures
• Web Troubleshooting & Browser Console(DevTools)
• Environments & Deployment Process
• Basic knowledge of MySQL
• English B1/B2Soft

Soft Skills:

• Analytical Thinking & Problem Solving
• Multitasking & Fast Pace
• Communication & Fast Learning
• Attention to details

Here's what we offer:

• Start with 22 days of annual leave, with 2 additional days added each year, up to 32 days by your fifth year with us.
• 3 sick leave days per year, no doctor's note required; 30 medical leave days with medical allowance
• Hybrid work schedule is available after the first three months of employment with 80/20 office/home format until the end of 2026. Starting from 2027, the policy will transition to primarily office-based work, with up to 10 work-from-home days per year with manager approval.
• Benefit from two Free Fridays each year, limited to one per quarter.
• Daily catered lunch or monthly lunch allowance. 
• Private Medical Subscription. 
• Access online learning platforms like Udemy for Business, LinkedIn Learning or O’Reilly, and a budget for external training.
• Gym allowance.
• Corporate English lessons.
• Support for New Parents:
• 21 weeks of paid maternity leave, with the flexibility to work from home full-time until your child turns 1 year old.
• 4 weeks of paternity leave, plus the flexibility to work from home full-time until your child is 13 weeks old.

Our office perks include on-site massages and frequent team-building activities in various locations.

At EveryMatrix, we're committed to creating a supportive and inclusive workplace where you can thrive both personally and professionally. Come join us and experience the difference!

Duration: around 3 months
Location: any
English: B2-C1 !!!


Important note!
Please send developers with white-label CVs, rates, location, and start date. The CV must include experience with migrations and AWS SDKs (AWS Android SDK, AWS Kotlin SDK). This will significantly speed up the process if all information is clearly and fully specified.

Description of the role:
We are looking for a highly skilled Senior Android Developer to join a short-term project with an approximate duration of 3 months. The client is a Cambridge-based medical technology company that specializes in advanced solutions for diabetes management.

The Job:
A migration project. This is a hands-on engineering role requiring someone who can quickly become productive, perform code migration, implement comprehensive unit testing, and validate the successful operation of the migrated functionality.

Key Responsibilities:

• Migrate Android codebases from AWS Android SDK to AWS Kotlin SDK
• Perform Java-to-Kotlin migration where required
• Develop and maintain high-quality, maintainable Android application code
• Create and execute comprehensive unit tests to validate migrated functionality
• Ensure application stability, performance, and reliability throughout the migration process
• Follow best practices for CI/CD, automated testing, and code quality
• Contribute to technical discussions and architectural decisions where appropriate
  
  Must-have: !!!
• 5+ years of professional Android development experienceUpper-intermediate or Advanced level of EnglishStrong experience with Android application development using Java and Kotlin
• Experience with AWS Android SDK and/or AWS Kotlin SDK
• Proven experience migrating or modernizing Android codebases
• Strong understanding of writing clean, maintainable, and testable codeExperience with unit testing and automated testing practices
• Experience with mobile CI/CD tooling, including build and test automationStrong communication skills and ability to work independently in a remote environment
  
  Nice to Have:
• Experience in healthcare or medical technology environments
• Experience developing Software as a Medical Device (SaMD)
• Experience working on safety-critical or regulated applications

We are looking for a proactive Middle Fullstack Engineer to join our team.

Responsibilities:

• System design: database schemas, sequence diagrams, API
• Development of full-stack features with SPA/SSR on frontend and REST API on backend
• Implementation of test coverage
• Code review and team collaboration to produce high quality product
• Proactive monitoring of services through logging, metrics and alerting tools
• Configuration of CI/CD pipelines

Requirements:

• 3+ years of experience as NodeJS Fullstack Engineer
• Experience with TypeScript
• Experience with Next.js, React
• Experience with Nest.js
• Experience with REST API
• Experience with CI/CD: Docker, Helm, BitBucket/GitHub/GitLab
• Experience with PostgreSQL
• Experience with Redis
• Experience with RabbitMQ/Kafka
• Experience with Claude/Codex

Quantum Systems next-generation unmanned solutions across air, land, and sea. From advanced aerial drones to underwater and ground platforms, our systems combine cutting-edge hardware with AI-driven software for seamless control and real-time data insights. Trusted by defense, security, and public sector clients worldwide, we redefine mission versatility and performance.

Quantum-Systems is a strong supporter of Ukraine and has it’s local Ukrainian office since 2022.
 

The role is based in Kyiv, and we expect you to work full-time in the office.
 

What is your Day to Day Mission:

• Lead team of ML Engineers
• Design, develop, and optimize real-time object detection and tracking models for aerial video from UAVs (EO/IR cameras)
• Implement inference pipelines optimized for edge hardware (e.g., NVIDIA Jetson, Orin)
• Conduct model training, testing, benchmarking, and validation in real flight environments
• Integrate AI models into onboard systems
• Collaborate with other software and hardware teams to ensure robust end-to-end performance
• Research and apply state-of-the-art deep learning methods in computer vision

What you bring to the team:

• 8+ years of experience in AI/ML, with a strong focus on computer vision
• Strong Leadership experience
• Experience building ML infrastructure and training pipelines
• Proven experience in object detection/tracking using models like YOLO, SSD, or custom CNNs
• Proficiency in Python, C++, PyTorch or TensorFlow
• Experience with real-time video processing and optimization techniques (e.g., TensorRT, ONNX, pruning, quantization)
• Solid understanding of data annotation, augmentation, and training workflows
• Familiarity with embedded/edge AI deployments (e.g., Jetson Xavier, Orin)
• Experience working with aerial/surveillance imagery or geospatial data is a strong plus
• Bachelor’s or Master’s degree in Computer Science, Robotics, or related field

Nice to Have:

• Knowledge of GStreamer, OpenCV, or similar real-time streaming frameworks
• Familiarity with UAVs, drone flight control, or defense technologies
• Understanding of object re-identification or multi-target tracking

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.

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.

What is your Day to Day Mission:

• Design, develop, and optimize real-time object detection and tracking models for aerial video from UAVs (EO/IR cameras)
• Implement inference pipelines optimized for edge hardware (e.g., NVIDIA Jetson, Orin)
• Conduct model training, testing, benchmarking, and validation in real flight environments
• Integrate AI models into onboard systems
• Collaborate with other software and hardware teams to ensure robust end-to-end performance
• Research and apply state-of-the-art deep learning methods in computer vision

What you bring to the team:

• 3+ years of experience in AI/ML, with a strong focus on computer vision
• Proven experience in object detection/tracking using models like YOLO, SSD, or custom CNNs
• Proficiency in Python, C++, PyTorch or TensorFlow
• Experience with real-time video processing and optimization techniques (e.g., TensorRT, ONNX, pruning, quantization)
• Solid understanding of data annotation, augmentation, and training workflows
• Familiarity with embedded/edge AI deployments (e.g., Jetson Xavier, Orin)
• Experience working with aerial/surveillance imagery or geospatial data is a strong plus

• Bachelor’s or Master’s degree in Computer Science, Robotics, or related field

   

 Nice to Have:

• Knowledge of GStreamer, OpenCV, or similar real-time streaming frameworks
• Familiarity with UAVs, drone flight control, or defense technologies

• Understanding of object re-identification or multi-target tracking

   

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.

Role overview: 

The Analyst-Generalist will support CUCollaborate’s Research Team by conducting research, analysis, operational work, data validation, and project support across all product lines. This role will work with cross-functional teams to translate data and research into useful insights that improve client solutions, support product development, and strengthen service delivery. The position includes both project-based work and routine, process-driven tasks that require accuracy, consistency, and focus. 

Important Note: Candidates must demonstrate prior knowledge of CUCollaborate’s platform, tools, and services, and are expected to research and familiarize themselves with the organization before applying. 

Responsibilities: 

• Analyze structured and unstructured data using internal tools, client files, maps, and AI tools (Claude, ChatGPT). 
• Where technical skills allow: Work with databases, APIs, and data platforms. 
• Prepare clear, data-driven reports for clients and internal stakeholders. 
• Identify patterns, draw conclusions, and support decision-making. 
• Collaborate with Product and cross-functional teams; communicate blockers and deliver insights. 
• Prioritize tasks, meet deadlines, and understand the business context behind each request. 
• Maintain data accuracy in HubSpot; support QA and ongoing data maintenance. 
• Suggest process improvements and keep tasks updated in Azure DevOps. 
• Build deep knowledge of CUCollaborate's products, clients, and Product Teams. 
• Follow Product Team updates and participate in company meetings. 
• Ensure all work aligns with internal and external regulations. 

Requirements: 

• 1+ year in data entry, analysis, or quality; strong entry-level candidates considered. FinTech experience is a plus. 
• Ability to clean, validate, organize, analyze, and summarize data. 
• Proficiency in Excel and common data tools. 
• Intermediate to advanced English (written and spoken). 
• Analytical mindset - able to evaluate data quality, challenge assumptions, and propose solutions. 
• Clear communication to both technical and non-technical audiences. 
• Independent, accountable, and organized approach to work. 
• Curious and open to learning new tools, including AI. 
• Adaptable to changing priorities; proactive about improving efficiency. 
• Nice to have: SQL, Python, Power BI, Azure Synapse Analytics, R, APIs, and data platforms. 

We offer: 

• Competitive salary 
• Remote / hybrid work 
• Medical insurance and mental health coverage 
• Paid vacation, sick leave, and public holidays 
• English lessons at company's expense 
• Training & development budget 
• Teambuildings and a motivated team 

Engagement: Part-time or full-time | Independent contractor
Location: Fully remote
Rate: $5–10/hour (based on skills, experience, and qualifications)
About the role
Icebreaker Agency is looking for a hands-on Marketing Assistant to work directly with the founders on growing the agency. This isn't a "post and pray" role — you'll be in the trenches testing new marketing hypotheses, experimenting across go-to-market (GTM) channels, and helping us find what actually works. If you're curious, scrappy, and like seeing the direct impact of your work, you'll fit right in.

What you'll do:
Run and manage social media activity across Instagram, Facebook, LinkedIn, and Reddit
Find and engage opportunities on platforms like Reddit and Upwork (outreach, responding to relevant threads, identifying leads)
Help test new marketing hypotheses and GTM channels alongside the founders, then report on what's working
Handle light copywriting — posts, replies, short outreach messages, and edits
Use AI tools (Claude, ChatGPT, and other LLMs) to speed up everyday tasks and small projects
Support various day-to-day marketing tasks as they come up

What we're looking for:
English at C1 / full professional fluency — strong, natural written and spoken communication
Hands-on experience using Claude, ChatGPT, or other LLMs for simple tasks and projects
Comfortable navigating Instagram, Facebook, LinkedIn, Reddit, and Upwork
Self-starter who can run small experiments and follow through without heavy oversight
Organized, responsive, and reliable with deadlines
Bonus: prior experience in marketing, growth, lead gen, or community engagement

Why work with us:
Work directly with the founders — real ownership, fast feedback, no bureaucracy
Flexible hours, fully remote
Room to grow as the agency grows; strong performers can take on more responsibility and higher rates

How to apply:
Send a short intro telling us (1) your relevant experience, (2) one marketing experiment or channel you've recently ran or tested, and (3) your availability (hours/week) and rate within the $5–10/hour range.

Data Science UA is a service company with deep expertise in AI and Data Science. Our story started in 2016 with the first Data Science UA Conference in Kyiv, and since then, we’ve built one of the largest AI communities in Europe.

About the client:
Our client is a global Solution Integrator specializing in enterprise-grade infrastructure, platform engineering, and cloud-native architectures. They partner with the world's leading technology vendors to help organizations design and implement transformative solutions that drive innovation, efficiency, and growth. 
 

Office location: Vilnius (hybrid format, office visit 1-2 times a week)

About the role: 
We are looking for a Full Stack Engineer to join the CTO Office and take ownership of our client’s product development lifecycle. You'll work hand-in-hand with the CTO Office team, taking initiatives that have been validated as POCs and leading them into production-grade, scalable solutions.

Responsibilities:
- Take validated POCs from the CTO Office and architect, build, and ship them as production-ready applications
- Design and develop full-stack solutions — modern frontends paired with robust, scalable backends
- Build and deploy within the AWS ecosystem (Lambda, ECS/EKS, DynamoDB, S3, RDS, API Gateway, CDK/CloudFormation, and more)
- Own the CI/CD pipeline — design, build, and maintain automated workflows using GitHub Actions
- Design and build internal agentic AI solutions using LangChain and LangGraph — from multi-step agent orchestration to RAG pipelines and tool-augmented workflows
- Leverage Agentic IDE tools (Cursor, Claude Code, and similar) as a core part of your development workflow, applying best practices around skills, MCPs, agents, and prompt engineering to accelerate delivery
- Collaborate closely with the CTO Office, product stakeholders, sales, and pre-sales teams to translate business needs into elegant technical solutions 
- Make pragmatic technology decisions that balance speed, quality, and maintainability

Requirements:
Must-Have:
- 5+ years of professional full-stack development experience
- Frontend: Strong proficiency with Vue.js or React (with modern tooling such as Nuxt/Next.js, TypeScript, Vite, Tailwind CSS)
- A builder's mindset — you thrive on taking something from prototype to production
- Understanding of system design principles — you can architect scalable, reliable distributed systems and make sound trade-offs
- Grasp of data structures and design patterns — to work alongside your Agentic IDE you write efficient, well-structured code
- Backend: Solid experience with Python and modern frameworks — primarily FastAPI, or Django/Flask
- Hands-on experience with the AWS cloud ecosystem — you've built and deployed real workloads on AWS
- Hands-on experience building agentic AI systems with LangChain and LangGraph — including multi-agent orchestration, tool use, and RAG patterns
- Proven experience designing and maintaining CI/CD pipelines with GitHub Actions including automated PR based Code Reviews.
- Working knowledge of Agentic IDEs and AI-assisted development (Cursor, Claude Code, Windsurf, or similar) — including familiarity with skills, MCP servers, agents, and AI-driven development best practices
- Strong understanding of RESTful API design, relational and NoSQL databases, and cloud-native architecture patterns

Nice-to-Have:
- Experience with Amazon Bedrock and/or Azure AI Foundry for building and deploying AI/ML solutions on managed cloud platforms
- Experience with Infrastructure as Code (AWS CDK, Terraform, CloudFormation)
- Experience in security infrastructure (IDP, authentication protocols - S) and writing secured applications 
- Security & Identity - understanding of application security, including SSL/TLS certificates, secret management, and identity providers (IDP). Experience implementing authentication and authorization protocols such as SAML, OAuth2, and JWT.
- Foundational SRE knowledge, including monitoring, logging, and observability (e.g., CloudWatch, Prometheus, ELK) to ensure production stability and performance.
- Familiarity with FinOps concepts, cloud cost management, or multi-cloud environments
- Experience building data-driven tools — predictive models, analytics dashboards, or recommendation engines
- Exposure to Azure services alongside AWS
- Experience with containerization and orchestration (Docker, Kubernetes)
- Background in B2B SaaS or enterprise software development

We are a Ukrainian outsourcing company Join.To.IT, founded in 2012, and delivering software solutions across diverse business domains.
We focus on building long-term partnerships with our clients and delivering solutions that create real business impact. Our team consists of experienced professionals who take ownership of their work, value clear communication, and are committed to high standards in everything they do.
At Join.To.IT, we create an environment where engineers can grow, influence technical decisions, and contribute to meaningful projects alongside a strong and supportive team. 

Responsibilities
Develop and maintain web applications using React.js
Participate in team and client calls, discussions, and troubleshooting sessions
Ensure high performance, responsiveness, and quality of applications
Maintain and improve code quality, structure, and scalability
Collaborate with cross-functional teams (backend, QA, design)
Provide occasional support for business or customer-related requests
Take ownership of tasks and contribute to continuous improvement

Requirements
1+ year of commercial experience with React.js, Redux, and TypeScript
Strong knowledge of JavaScript  
Experience working with AI agents - Claude code | Cursor | windserf | Codex GPT | Antigravity
Familiarity with Figma tools
Project estimation skills
Experience working with WebSockets
Proficiency in HTML5, CSS3, and CSS preprocessors (Sass/Less)
Experience with Git and version control workflows
Experience working on complex systems in a team environment
Strong communication skills and collaborative mindset
Upper-Intermediate (B2+) English or higher

Nice to Have 
Familiarity with Docker or basic DevOps practices
AWS, Digital Ocean

We Offer
Office-based or hybrid work format (Kyiv, near Vasylkivska metro station with shelter, Starlink and uninterrupted power supply)
Free gym access near the office
Paid vacation and sick leave
Compensation for professional courses and development
Supportive and loyal management

Full-Time | Fully Remote

We are currently hiring a Senior Full-Stack Engineer for our Infrastructure team, where the focus is heavily on Backend development, cloud infrastructure, and deployment processes.

This role combines software engineering with DevOps responsibilities, so we're looking for engineers who enjoy building backend services and working with infrastructure.

The ideal candidate has hands-on experience with: Node.js / TypeScript, AWS, Terraform, deployment processes and CI/CD, cloud infrastructure and system reliability, React, backend architecture and APIs.

What you’ll do

• Design, build, and maintain scalable backend services and APIs.
• Develop and manage AWS infrastructure using Terraform.
• Own CI/CD pipelines, deployments, and infrastructure automation.
• Write clean, reusable, and well-tested code.
• Optimize applications and infrastructure for performance and scalability.
• Troubleshoot production issues and improve system reliability through monitoring and observability.
• Contribute to both software development (FE & BE) and DevOps initiatives, with a strong focus on backend and cloud infrastructure.
• Bring fresh ideas and continuously improve our architecture, tooling, and engineering practices.

Who you are

• 5+ years of experience as a Full-Stack Engineer with a strong Backend focus
• Strong proficiency in Node.js, TypeScript, and JavaScript
• Hands-on experience with NestJS
• Solid experience with AWS and infrastructure services
• Experience with Terraform and Infrastructure as Code
• Hands-on experience with CI/CD pipelines, deployments, and DevOps practices
• Experience with PostgreSQL and automated testing (Jest or similar)
• Solid experience with React 
• Strong understanding of scalable backend architecture and cloud-based systems
• Comfortable working across development and infrastructure, taking ownership from code to deployment
• Passionate about solving complex technical problems and continuously improving systems
• Strong communication and teamwork skills
• Upper-Intermediate or higher English level

Nice to have

• GraphQL
• Experience with monitoring and observability tools
• Experience managing production infrastructure and improving system reliability

About us

Redocly specializes in API solutions, focusing on API design, documentation, and governance. They provide tools and services that help organizations create, manage, and optimize their APIs efficiently.

The mission is to accelerate API ubiquity. The primary way we do that is to improve our developer experiences. We’re a team of about 60 people focused on making the best products we can for our customers. We have a strong product-market fit. The products you work on are used by millions of people. We use Shape Up methodology.

Headquarter – Austin, Texas, US. We also have an office in Lviv.

https://redocly.com/ 

Redocly is trusted by leading tech, fintech, telecom, and enterprise teams to power API documentation and developer portals. Redocly’s clients range from startups to Fortune 500 enterprises.

Working with Redocly

• Tech stack: JS, TS, Node.js, Nest.js, React.js,Vitest, Postgres, AWS, Terraform
• Team: 5 people (middle-seniors)
• Team’s location: Ukraine&Europe
• There are functional, product, and platform teams and each has its own ownership, and line structure, and teams themselves decide when to have weekly meetings. 
• There are cycles of 8 weeks and teams can be mixed.
• Engineers are involved in all parts every two months to work on different things.

Perks

• Full remote
• Cooperation on a B2B basis (abroad) / Gig-contract (Ukraine)
• Contract with the US-based company (no VAT)
• After a year of working with the company, you can buy a certain number of the company’s shares
• Around 30 days of vacation (unlimited,  but let’s keep it reasonable 😁)
• 10 working days of sick leave per year
• Public holidays according to Ukrainian/EU law
• No trackers and screen recorders
• Working hours – European timezone. Working day – 8 hours. Mostly they start working from 10-11 am
• Equipment provided – MacBooks (M1 - M4)
• Performance reviews

Hiring stages

1. Prescreening (30 min)
2. HR Call (45-60 min)
3. Technical Interview (up to 30 min)
4. Trial Day (paid) - Offer Call

Interested? Let’s connect and discuss the details!

We are looking for an experienced Ignition Architect / Senior Developer to join a global digital manufacturing transformation initiative. In this role, you will take ownership of designing, implementing, and evolving a business-critical industrial automation and tracking platform deployed across multiple international manufacturing facilities.

You will act as the technical authority for the Ignition ecosystem, driving architecture decisions, establishing development standards, and delivering reliable OT/IT integrations between manufacturing systems, enterprise applications, and industrial devices. This is a unique opportunity to work on a large-scale, highly regulated manufacturing environment where modern software engineering practices meet industrial automation.

Key Responsibilities:

• Design, develop, and maintain scalable Ignition 8.x multi-gateway architectures, including high-availability configurations.
• Define platform standards, including gateway configuration, tag structures, scripting frameworks, project organization, and deployment strategies.
• Build and maintain integrations between Ignition, manufacturing systems, ERP platforms, middleware, and enterprise applications.
• Develop interfaces for exchanging real-time events, commands, and production data between OT and IT environments.
• Implement and support industrial communication protocols, including OPC technologies and Modbus TCP.
• Collaborate with infrastructure, database, QA, and manufacturing teams to ensure system reliability, scalability, and performance.
• Contribute to modern software delivery practices, including Git workflows, CI/CD pipelines, automated testing, and release management.
• Support validation, compliance, and documentation activities within a regulated manufacturing environment.
• Participate in system deployments, commissioning activities, and ongoing production support.
• Provide technical leadership, mentor engineers, and serve as an escalation point for complex technical challenges.

Required Experience

• 8+ years of hands-on experience working with the Ignition platform, including Gateway configuration, scripting, project resources, and large-scale deployments.
• Strong expertise in designing industrial automation solutions with high availability and reliability requirements.
• Experience integrating Ignition with external systems using REST APIs, WebSockets, OPC technologies, and industrial communication protocols.
• Hands-on experience with Modbus TCP and industrial device connectivity.
• Strong understanding of OT/IT integration principles and manufacturing environments.
• Experience with Java development and familiarity with Ignition SDK or module development.
• Experience working with Microsoft SQL Server or other enterprise database platforms.
• Strong knowledge of Git-based development workflows and CI/CD practices.
• Excellent communication skills and ability to collaborate with cross-functional global teams.

Nice to Have:

• Experience in regulated industries such as pharmaceuticals, life sciences, medical devices, food manufacturing, or other highly controlled environments.
• Knowledge of GxP, computerized system validation (CSV), audit trails, and compliance requirements.
• Experience integrating with SAP or other ERP platforms.
• Experience with cloud integration services and hybrid OT/IT architectures.
• Experience supporting global, multi-site manufacturing deployments.
• Knowledge of industrial networking and cybersecurity best practices.
• Experience with RFID-enabled manufacturing or asset-tracking solutions.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers