Jobs Fullstack

Senior Fullstack Engineer (React + NestJS + AWS)

Our client is looking for a Senior Fullstack Engineer to join a high-impact product team working on a modern SaaS platform and internal AI-related tooling for an Israeli startup operating in the geospatial intelligence and data analytics domain.

The product combines scalable cloud infrastructure, AI-driven systems, and large-scale data processing used by enterprise customers in insurance, real estate, and financial industries.

You’ll join a lean engineering team where every developer has direct impact on architecture, product decisions, and production systems.

## Tech Stack

React • TypeScript • NestJS • AWS • PostgreSQL • Docker • GitHub Actions

## What You’ll Do

— Develop and maintain full-stack features using React, NestJS, and AWS

— Build scalable backend services and REST APIs

— Work with PostgreSQL databases: schema design, optimization, migrations

— Develop microservices and event-driven systems using AWS services

— Maintain CI/CD pipelines and testing infrastructure

— Improve system observability, monitoring, and reliability

— Collaborate closely with Product and Engineering teams

— Participate in architectural discussions and technical decision-making

— Write clean, maintainable, and well-documented code

## Requirements

— 5+ years of commercial fullstack experience

— Strong experience with React + Node.js/NestJS + TypeScript

— Hands-on AWS experience (Lambda, EC2, SQS, S3, RDS, CloudWatch)

— Experience with microservices architecture

— Strong knowledge of PostgreSQL

— Docker and CI/CD experience

— Solid understanding of REST API design

— Good Git workflow practices

— Ability to work independently and take ownership

## Nice to Have

— Experience with GIS, mapping, or geospatial technologies

— Experience with monitoring/observability tools

— Startup experience or work in small high-impact teams

— Experience with performance optimization

— Mentoring or leadership experience

## Working Style

— Small engineering team with direct access to Product and CTO

— Fast-paced startup environment

— High ownership and autonomy

— Scrum-based workflow with 2-week sprints

## Hiring Process

1. Technical Screening

2. System Design Interview

3. Culture & Leadership Interview

If you enjoy building scalable systems, working closely with product teams, and having real ownership over technical decisions — we’d love to hear from you.

Meet the YozmaTech

YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.

Our client is looking for an AI Builder / Full-Stack Engineer to join an early-stage startup with a very small team and a high level of ownership.

The company is building an AI-native product for the janitorial industry that automates the processing of large volumes of complex documentation, including contracts and RFPs. The product analyzes this information and generates accurate, detailed bids, including pricing, equipment selection, and task breakdowns down to the room and space level.

This role is ideal for an engineer who can take an AI capability end-to-end — from designing agents and backend systems to building the product experiences through which users interact with them. You’ll work across AI/LLM engineering, backend systems, data pipelines, and full-stack product development.

Key Requirements:
🔹 Strong commercial experience with AI/LLM engineering and backend development;
🔹 Strong Python engineering skills;
🔹 Hands-on experience building AI agents, LLM workflows, or AI-native systems;
🔹 Experience designing backend services, APIs, data pipelines, and working with databases;
🔹 Ability to work with unstructured data and build systems for processing and analyzing complex information;
🔹 Experience integrating and working with LLM APIs and AI models;
🔹 Comfortable building full-stack product features and modern web UIs;
🔹 Experience with React, Next.js, and/or Node.js;
🔹 Strong understanding of system design, data modeling, debugging, and infrastructure;
🔹 Experience testing AI systems and evaluating the quality of model outputs;
🔹 Ability to take an AI capability from agent/backend logic through to a usable customer experience;
🔹 High level of ownership and ability to independently drive technical work from architecture to production;
🔹 Comfortable working through ambiguous product and technical requirements in a fast-paced startup environment;
🔹 Pragmatic approach to engineering — knowing when to build deeply and when to ship quickly;
🔹 English – Upper-Intermediate or higher.

Will be plus:
🔹 Experience working specifically with contracts, RFPs, or other complex business documentation;
🔹 Experience building UIs for managing or interacting with AI agents;
🔹 Experience with both commercial and open-source AI models;
🔹 Previous experience in the janitorial / cleaning services industry or similar domain;

What you will do:
🔹 Design and deploy agentic AI workflows, agent harnesses, and orchestration systems;
🔹 Develop and maintain the backend for AI agents that process and analyze contracts, RFPs, and other complex documents;
🔹 Build pipelines for large volumes of unstructured data, including OCR and vision-based document and image analysis;
🔹 Integrate AI tools and models, including OpenAI, Google, and open-source models, using Python;
🔹 Build AI agent orchestration using LangChain, Deep Agents, and similar frameworks;
🔹 Build backend services, APIs, data pipelines, and core infrastructure;
🔹 Own data flows across ingestion, transformation, storage, retrieval, evaluation, and application usage;
🔹 Design and maintain databases, including Postgres and MongoDB;
🔹 Build full-stack product experiences around AI capabilities, including agent interfaces, review/approval flows, and AI-assisted workflows;
🔹 Collaborate with frontend development using React, Next.js, and Node.js to integrate AI agents into the product;
🔹 Turn structured and unstructured AI outputs into polished user-facing experiences, documents, and product workflows;
🔹 Build datasets and testing approaches for AI systems and implement evaluation metrics, including LLM-as-a-judge and statistical evaluation;
🔹 Debug model behavior, pipeline failures, data quality issues, frontend/backend integration, and system performance;
🔹 Own complex technical problems end-to-end, from architecture and implementation through production;
🔹 Build reliable, scalable, and secure systems for an AI-native product;

Interview stages:
🔹 HR Interview;
🔹 Technical Interview — 30 min;
🔹 Non-technical / Culture Fit Interview — 60 min;
🔹 Deep Technical Interview — 1 hour;
🔹 Reference Check;
🔹 Offer;

Why Join Us?

At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products – and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your voice. With us, you’ll always know what you’re working on and why it matters.
From day one, you’ll get:
🔹 Direct access to clients and meaningful products;
🔹 Flexibility to work remotely or from our offices;
🔹 A-team colleagues and a zero-bureaucracy culture;
🔹 Opportunities to grow, lead, and make your mark.

After you apply

We’ll keep it respectful, clear, and personal from start to offer.
You’ll always know what project you’re joining – and how you can grow with us.

Everyone’s welcome

Diversity makes us better. We create a space where you can thrive as you are.

Ready to build something meaningful?

Let’s talk. Your next big adventure might just start here.

Проєкт комерційних закупівель E-Tender — SaaS-платформа для корпоративних тендерів. Шукаємо Senior Fullstack Developer'а, який зможе не лише реалізовувати фічі, а й впливати на архітектуру та технічні стандарти команди.

Requirements:

- 5+ years experience in commercial software development

- C#; .NET 6/8; ASP.NET Core Web API

- Entity Framework Core; MS SQL Server + query optimization, SQL Profiler

- Message queues: RabbitMQ / MassTransit — production experience

- Background jobs: Hangfire або аналог — production experience

- Distributed transactions / saga pattern (MassTransit Saga або аналог)

- Performance profiling: query optimization, memory/CPU profiling (.NET diagnostics tools)

- Розуміння кешування: Redis або in-memory caching strategies

- Elasticsearch — indexing, querying, performance tuning

- Angular 14+; NgRx / RxJS; component architecture, lazy loading

- TypeScript; HTML, CSS/SASS

- Git — branching strategies, code review practice

- Досвід з microservices або modular monolith architecture

- Jira, Time Tracker

Nice to have:

- Event sourcing / CQRS (MediatR)

- Досвід із high-load або multi-tenant системами

- Domain знання e-commerce / marketplace / procurement

- Досвід з ABP Framework або подібними enterprise .NET платформами

- CI/CD (TeamCity / GitHub Actions)

Responsibilities:

- Самостійний дизайн і реалізація нових фіч від BE до FE

- Code review та технічна менторська підтримка молодших розробників

- Участь в архітектурних обговореннях і технічних рішеннях

- Тісна взаємодія з BA та QA в рамках продуктових спринтів

- Back end heavy (70/30), Angular — за потребою продукту

Client: US-based financial services company

Engagement model: Dedicated product team (small, long-term)

Duration: Long-term engagement

Location: Ukraine, Europe

Domain: Fintech — platform combining deterministic financial engines with LLM and in-house ML components (extraction, classification, prediction, anomaly detection)

Stack: Node.js, tRPC over Express, Prisma, PostgreSQL, Next.js App Router, AWS

Responsibilities:
- Own features end-to-end: data model, API, background processing, UI, production behavior
- Build AI-powered features: structured extraction, retrieval, tool use, agentic workflows — with output validation and clear boundaries vs. deterministic logic
- Design durable async pipelines: retries, partial failure, idempotency, unreliable third-party services
- Model and evolve relational data in PostgreSQL for auditable, historical domains
- Integrate in-house ML prediction/detection endpoints; handle timeouts and degraded responses without fabricating values; feed outcomes back for retraining
- Hold the engineering bar: test coverage, code review, CI gates, security scanning

Required Qualifications:
- 4+ years of professional software engineering experience
- Production TypeScript across the stack (Node.js backend + React frontend)
- PostgreSQL data modeling and live migrations in production
- Async/event-driven backend work: job queues, durable functions, or workflow engines
- Practical LLM experience in shipped products — known failure modes and mitigations
- Comfort consuming ML predictions in application code

Preferred:
- tRPC, Prisma, Inngest, Next.js App Router, AWS ECS
- RAG, embeddings, or LLM evaluation frameworks in production
- Hands-on ML experience: feature engineering, model serving, drift monitoring
- Document processing (OCR, PDF, structured extraction)
- Prior work in regulated or high-trust environments

Required Experience:
- Professional software engineering: 4+ years

Language Requirements:
- English: C1
- Ukrainian: desirable

Employment: Full-time | Fully remote | Long-term client engagement | Small product team

Senior Full Stack Engineer with 10+ years of experience needed for a global project in defense AI technologies.

     Requirements:

• 10+ years of experience
• Strong fundamentals in data structures, algorithms, and problem-solving
• Language-agnostic mindset – comfortable learning new languages as needed
• Python + JavaScript/TypeScript (React preferred)
• Depth of knowledge over breadth of tools
  
  Conditions:
• B2B Freelance contract
• Full Remote
• 12+ months duration

• ASAP start date
   

  Project:
  Global project in the area of defense AI technologies.

   

This role requires visiting the Warsaw office approximately once per quarter.

About Digis

Digis is a European IT company with 250+ specialists delivering complex SaaS products, enterprise solutions, and AI-powered platforms worldwide. We ensure transparency, stability, and professional growth opportunities for all our team members.

About the Project

This is an AI-driven real-time market intelligence platform for the global fresh produce industry.

The platform synchronizes supply and demand data across 30,000+ growing regions and 115+ commodity categories, combining export data, pricing, volumes, weather, and other market signals. It helps growers, retailers, distributors, and investors make faster, data-driven decisions.

Responsibilities

• Design and scale backend services using Python.
• Split and evolve existing APIs into independent, scalable services.
• Build and optimize React and React Native interfaces.
• Develop and maintain data ingestion and processing workflows on GCP.
• Work with large-scale datasets in BigQuery.
• Integrate structured LLM-based and agentic AI solutions into the product.
• Improve system reliability, performance, and scalability.
• Contribute to infrastructure and architectural decisions.
• Work directly with the CTO and take ownership of technical solutions.

Requirements

• 8+ years of overall commercial software development experience.
• 5+ years of hands-on Python backend development.
• 2+ years of commercial experience with React.
• Any commercial experience with React Native.
• English Upper-Intermediate or higher.

Why This Project Is Interesting

• AI-driven real-world product: AI and LLMs are integrated into actual product workflows rather than used only for experimentation.
• High ownership: opportunity to influence architecture and make technical decisions directly with the CTO.
• Real data scale: the platform processes data across 30,000+ growing regions.
• Strong engineering autonomy: focus on results without unnecessary time tracking or estimates for every task.
• Architecture impact: the product is actively scaling, giving the new engineer an opportunity to shape its next technical stage.
• Long-term cooperation: operational product with an established foundation and significant room for further development.

If this sounds like the right opportunity for you, we’d be happy to discuss the role in more detail.

Coralsoft is looking for a Strong Junior Full-Stack Developer to work on different client projects across various domains.

We are looking for someone who is comfortable with both frontend and backend development, actively uses AI tools, wants to learn, and is interested in growing as a Full-Stack Engineer.

Requirements

• 1.5+ years of commercial development experience
• Strong JavaScript and TypeScript knowledge
• Experience with React and Next.js
• Experience with Node.js and backend development
• Understanding of REST APIs and third-party integrations
• Experience with PostgreSQL or other relational databases
• Good Git knowledge
• Experience with AI development tools such as Codex, Claude Code, ChatGPT, or similar
• Ability to work with existing codebases and learn new technologies
• English B1+

Main Stack

• Frontend: JavaScript, TypeScript, React, Next.js, Redux Toolkit, Zustand, Tailwind CSS
• Backend: Node.js, NestJS / Express, PostgreSQL, Prisma, Supabase
• Tools: Git, GitHub, Docker, Vercel, ClickUp
• AI: Codex, Claude Code, ChatGPT and other AI development tools

Experience with React Native / Expo is a big plus.

What We Offer

• $800–$1,200/month, full-time
• Fully remote work
• Different projects and domains
• Paid courses and mentorship
• English classes compensation
• 12 paid vacation days + 10 paid sick days
• Unlimited unpaid days off
• 1-month trial period

Project description

Join a team developing an enterprise-grade agentic AI platform that leverages AI agents, tools, skills, and orchestration capabilities to automate cybersecurity and business processes. The project involves building and enhancing modern GenAI solutions using technologies such as Python, Azure, RAG, MCP integrations, CI/CD, observability, and scalable cloud-native architectures. You will work on designing, developing, and industrializing advanced agent-based AI applications, contributing to new use cases, integrations, security features, and platform evolution.

Responsibilities

Design, develop, and maintain full-stack applications using Python, FastAPI, and React.

Build and enhance Agentic AI solutions leveraging LLMs, LangChain, LangGraph, and AI orchestration frameworks.

Develop backend services, APIs, and integrations with external systems and AI tools.

Design and optimize data models and queries in PostgreSQL.

Implement caching, session management, and performance optimization using Redis.

Collaborate with architects, DevOps engineers, and product stakeholders to deliver scalable solutions.

Ensure code quality through testing, code reviews, and adherence to engineering best practices.

Contribute to system observability, monitoring, troubleshooting, and platform reliability.

Participate in solution design and technical leadership.

Support CI/CD processes and cloud-native application deployment.

Skills

Must have

7+ years of professional software development experience.

Strong expertise in Python and modern backend development.

Experience with FastAPI and RESTful API design.

Strong frontend development experience with React.js.

Hands-on experience building Agentic AI applications.

Practical experience with LLMs (OpenAI, Azure OpenAI, Anthropic, or similar), LangChain, LangGraph, Langfuse.

Strong knowledge of PostgreSQL.

Experience with Redis.

Understanding of software architecture, design patterns, and scalable distributed systems.

Experience with Git, CI/CD pipelines, and modern development practices.

Good communication skills and ability to work in an international environment.

English: B2 or higher.

Nice to have

Experience with security testing, application security, or secure coding practices (preferred).

Experience with Azure cloud services.

Experience with RAG (Retrieval-Augmented Generation) architectures.

Knowledge of Docker, Kubernetes, and cloud-native deployments.

Exposure to cybersecurity, vulnerability management, or enterprise security platforms.

On behalf of our client, we are looking for a Full Stack Engineer (Python/React/RN)

About the Product

The platform is reshaping the fresh produce industry through AI and real-time market intelligence, providing growers, retailers, distributors, and investors with insights to make faster, smarter decisions. The product is scaling across international markets.

Responsibilities:

- Develop, deploy, and maintain scalable backend services, APIs, and data pipelines on GCP

- Build and optimize user-facing features across web (React) and mobile (React Native) environments

- Implement secure, high-performance infrastructure

- Work with complex datasets and automate data ingestion workflows using Cloud Functions, Cloud Run, and Cloud Composer

- Collaborate with Product, Data Science, and Design teams

- Apply best practices in Agile, CI/CD, automated testing, and code quality

- Troubleshoot, debug, and improve existing systems and services

Requirements:

- 8+ years of overall software engineering experience

- 5+ years of experience with Python

- 2+ years of experience with React

- 1+ year of experience with AI tools

- Experience with React Native

- Experience with GCP

- Hands-on experience with GCP services

- Experience working with large or complex datasets

- Experience with automated data pipelines, including Cloud Functions, Cloud Run, and Cloud Composer

- Experience developing cloud-based applications

- Experience with modern DevOps practices, CI/CD, testing automation, and Git-based workflows

- Experience delivering complex engineering projects from design through deployment

- Strong communication skills with technical and cross-functional teams

- Strong problem-solving skills and willingness to learn new tools and technologies quickly

Location: Poland, preferably Warsaw or nearby. Personal meetings will be required once every 1–2 months.

Company offers:

- Long-term employment with possibilities for professional growth

- Fully remote work

- Reasonably flexible schedule

- 15 days of paid vacation

- Regular performance reviews

Playtech‘s Marketplace and Engagement Games Product Team is looking for an experienced Fullstack Team Leader with strong full-stack web development background, excellent communication skills, and a proven ability to lead teams and deliver reliable, maintainable, customer-facing software.

Team Leader will lead the engineering team responsible for two established Playtech products: Marketplace, a casino content management product, and Engagement Games, a real-time gaming campaigns product.

The role combines engineering leadership, people management, and hands-on technical understanding. The Team Lead will guide the team in delivering high-quality full-stack solutions, support technical decision-making, improve engineering practices, and ensure effective collaboration with Product, Architecture, QA, DevOps, Delivery Management, and other teams.

Your influential mission. You will... 

• Lead and coordinate the full-stack engineering team.
• Own day-to-day progress tracking, and risk management.
• Work closely with Product, Architecture, QA, DevOps, Delivery Management, and external teams.
• Converting product requirements and business priorities into clear, well-defined technical tasks and structured delivery plans.
• Participate in solution design, technical discussions, architectural reviews, and implementation planning.
• Ensure effective engineering practices: code review, testing, documentation, CI/CD, observability, and production readiness.
• Mentor and coach engineers through feedback, technical guidance, code review, and regular communication.
• Improve team processes, engineering workflows, release predictability, and overall team efficiency.
• Contribute hands-on when needed in complex investigations, troubleshooting, or critical delivery situations.

Components for success. You...

• Bring 7+ years of professional software engineering experience, preferably in full-stack web development.
• Have 2+ years of experience in a leadership role, such as Team Lead, Engineering Lead, Tech Lead, Development Lead, or similar.
• Demonstrate strong experience with modern JavaScript / TypeScript web applications.
• Possess solid practical knowledge of React, Redux, ES6+, HTML5, CSS3, Node.js, REST APIs, MongoDB, and Redis.
• Have experience delivering customer-facing or business-critical web applications.
• Show a strong understanding of full-stack architecture, performance, testing, CI/CD, and production support.
• Have experience working with highly available, performance-sensitive, distributed, or event-driven systems.
• Are experienced in Agile environments and collaborating with cross-functional and distributed teams.
• Demonstrate strong ownership, accountability, and an engineering leadership mindset.
• Are able to lead people, delivery, and technical discussions effectively.
• Apply good technical judgment and guide teams toward simple, maintainable solutions.
• Communicate clearly with both technical and non-technical stakeholders.
• Show strong planning, prioritization, dependency management, and risk communication skills.
• Have the ability to mentor engineers and support their professional growth.
• Take a pragmatic approach to balancing delivery timelines, quality, and long-term product health.
• Pay high attention to detail and bring a collaborative, constructive approach to feedback and conflict resolution.

You'll get extra points for...

• Experience improving engineering processes, delivery metrics, release predictability, or team performance.
• Experience with frontend architecture, reusable component libraries, design systems, or micro-frontends.
• Experience in gaming, gambling, casino platforms, campaign management, or real-time engagement products.
• Experience with observability, monitoring, logging, and production incident analysis.

Thrive in a culture that values...   

• Technical excellence and engineering ownership.
• Initiative-taking and confident decision-making.
• Strong team environment and the ability work with the most recent market-leading technologies.
• Initiative-taking and confident approach at the workplace.
• Global scope and inclusive working environment where you can engage with diverse teams and perspectives.
• Constant learning and development opportunities and professional growth programs.
• Active lifestyle and mental well-being, supported through sports classes, master classes, and monthly well-being activities.
• Medical insurance.
• Paid vacation days, sick leaves and national holidays.
• Fully-equipped cosy office space located in the city centre (Gulliver, “Palats Sportu” metro station).

MARKETPLACE & ENGAGEMENT GAMES PRODUCT TEAM

Our team is dedicated to two of Playtech's products - Marketplace, a platform for managing casino content, and Engagement games - a promotional tool for creating and monitoring real-time gaming campaigns. Both products are stable and well-established, with Engagement games offering seamless integration and customization for engaging player campaigns. Marketplace simplifies the management of casino content, providing tools to access marketing assets and manage game certificates. We thrive in a friendly and collaborative environment, engaging in full stack development using JavaScript technologies like React, Redux, ES6+, and Node.js. Some of our responsibilities include maintaining client-facing and server-side applications, writing high-quality, scalable code, participating in the software development lifecycle, collaborating with other departments for ensuring smooth deployments, and refining internal processes.

Tech stack: React, Redux, ES6+, TypeScript, Node.js, MongoDB, Redis, REST APIs.

Playtech is an equal opportunities employer. Our mission is to welcome everyone and create inclusive teams. We celebrate differences and encourage everyone to join us and be themselves at work.

Strong communication skills is a must - developer should be responsive, answer and ask quetsions and show his thinking process.

Requirements

Position Name: Senior Full-Stack Developer
Level: Senior

Hard skills requirements:

• Python (backend), Vue + TypeScript (frontend) — full-stack, end-to-end delivery
• AI API integrations: RAG, vector search, LLM APIs
• PostgreSQL, SQL and NoSQL databases
• Docker, AWS cloud deployment
• Data visualization: D3.js, Shadcn, Treemaps
• API integrations (email providers: Sendmail, Mailgun, etc.)
• Comfortable working in existing large codebase
• Accountable for AI-generated code — can explain, debug, and optimize it

Soft skills requirements:

• Strong communication — can discuss past projects in technical detail, ask and answer questions clearly
• Logical problem-solving — able to break down vague requirements
• Proactivity and ownership

English: Upper-Intermediate or higher — must have, critical requirement
Office/Remote: Remote. Must be available 8am–2pm PT (Pacific Time), 40 hrs/week

Nice to have

* Experience with AI/ML platforms or news aggregation products * Experience building products for investors or financial/tech professionals * Familiarity with agentic AI development workflows

EverHelp is a team of professionals, that’s developing outsourcing support services for plenty of products all over the world at a dynamic tempo. The project launched in 2021, and last year we experienced a yearly growth rate of +82%. Since February 2022, we’ve managed to preserve all our workplaces and, most importantly, we continue to strengthen our team while maintaining an employee satisfaction rate of over 90%.

In 2026, EverHelp received 9 international workplace and employer awards. The company ranked #1 in the Top 30 Inspiring Workplaces in Europe, was named the #1 employer among European companies with 500–4,999 employees, and earned Best-in-Class recognition across 6 categories: Culture & Purpose, Leadership, Inclusion & Belonging, Wellbeing, Employee Voice, and Employee Experience. EverHelp was also named one of the 28 Best Places to Work by Business Intelligence Group — a global award recognizing companies with strong workplace cultures and outstanding employee experience.

Our statement:

• We’re against war and unjustified aggression,
• We evacuated all the teammates and their families from the frontline, helped them find a new place to live and provided financial support,
• We provided the team with charging stations,
• We continue to work together for the future of Ukraine.

EverHelp is building a product portfolio from scratch: Evly (AI customer service), analytics, a voice agent, and Zendesk Migration. We’re looking for a Full-stack Engineer (Agentic Systems) to own end-to-end product development — from the client-facing web layer to backend business logic, including agentic engineering, highload system design, and shipping AI features against real business and product requirements. This is an engineer who turns a product idea into a working, scalable feature by closing the whole stack independently, not just one layer of it.

Your future responsibilities include:

• End-to-end feature development: frontend, backend business logic, APIs, and integrations — owning the full stack independently
• System design for highload systems: scalability, queues, caching, and resilience under load
• Agentic engineering: AI agents, Copilot-style flows, and LLM orchestration (tool/function calling, prompt engineering, memory, fallback logic)
• RAG systems: embeddings, vector search, and building/optimizing retrieval pipelines
• Working with pre-deployed self-hosted models and integrating LLMs into the product
• AI security: data protection, prompt injection defense, access control, handling sensitive data
• LLM evaluation & optimization: quality metrics, observability (logging, tracing, latency/cost), and reducing costs without sacrificing quality
• Data work: database modeling, SQL and MongoDB (document/NoSQL structures), and preparing data for analytics and AI flows
• Independently deploying features on top of existing infrastructure (via pre-built Helm chart templates)
• Code review, test coverage, and maintaining the technical health of the codebase
• Maintaining up-to-date technical documentation: architecture, API contracts, AI flows

• Clarifying requirements, estimating and decomposing tasks, and raising technical risks early (in collaboration with design)
  
  Needed experience & skills:

  Frontend:

• React + Next.js, TypeScript/JavaScript, Vite, TailwindCSS — able to build client applications independently

• Understanding of UI state, API integration, and basic attention to UX and interface performance
   

  Backend:

• Node.js and Python — business logic, REST APIs, WebSockets, integrations
• Database design and hands-on work with PostgreSQL and MongoDB; confident SQL
• Queues and caching: RabbitMQ, Redis; object storage (S3)

• Containerization with Docker; deploying services via existing Helm chart templates
   

  AI / LLM Engineering:

• Agentic engineering: building AI agents with LangChain, LangGraph, AutoGen, CrewAI, or similar
• Tool/function calling, prompt engineering, memory and fallback logic
• RAG systems: embeddings & vector search; vector DBs such as Qdrant, pgvector, or Pinecone
• Experience working with pre-deployed self-hosted models
• LLM evaluation & optimization: quality, latency, and cost metrics; AI solution observability

• Understanding of AI security: prompt injection, handling sensitive data
   

  General:

• Systems design and understanding of highload architecture (scalability, resilience under load)
• Observability: instrumenting services with logs and metrics; familiarity with the Grafana/Loki/Prometheus stack
• Code under test: unit, integration, and load testing; code review discipline; clean, documented codebase
• English B2+ (technical documentation, external integrations, written communication)

• 2–3 years of experience as a Full-stack developer, plus at least 1 year in AI engineering
   

  Working with EverHelp is about:

• Opportunity to join the Ukrainian company and help the Ukrainian economy,
• 20+ vacation days and unlimited sick leaves, corporate doctor & psychologist,
• Medical insurance and +10 Healthcare leaves for mental & physical recovery,
• Systematic learning & development inside a team and on an individual level: compensation for professional webinars, courses, conferences, etc.,
• Ability to work from Lviv & Kyiv offices with free breakfasts and lunches, or fully remotely,
• Team of professionals ready for knowledge sharing, internal professional communities, team buildings,
• Corporate discounts for gym membership and other services like medical services, language schools, etc.

Location & English requirements:
This is a fully remote position within the European Union, with priority given to candidates based in Poland. Other EU locations may also be considered.
Strong English (Upper-Intermediate/C1 or higher) is required - all calls, discussions, and documentation happen fully in English, and you'll be expected to actively participate in technical conversations: asking questions, raising concerns, proposing alternatives. If your English is below this level, you likely won't feel comfortable in this role's day-to-day communication - so please keep that in mind before applying.

Who we're looking for:
This is not a "heads-down, ticket-by-ticket" role. Our client's team is a well-established international group of up to 50 people, and they're explicit about what doesn't work for them: people who stay quiet in discussions, who wait to be told exactly what to do, or who seem to be splitting focus with other projects.

What they want instead:

• Someone who speaks up - asks clarifying questions, flags risks, and isn't afraid to challenge an approach if they see a better one
• Someone who treats this as their project, not a rotation - full commitment, no split attention across other engagements
• Someone comfortable operating with a good degree of autonomy, while staying closely aligned with the team
• Someone who brings ideas to code reviews and architecture discussions, not just implementations

If that sounds like you, and your English lets you do it comfortably - read on.

Required skills:

• Commercial experience with PHP and JavaScript, Middle+/Senior level
• Experience with modern JS frameworks (Vue.js preferred)
• Strong understanding of OOP, interfaces, and clean code principles
• Experience with PSR-4 standards and service-oriented architecture (SOA)
• Experience with unit testing (PHPUnit or similar)
• Upper-Intermediate+ English, spoken and written
• Demonstrated ability to communicate proactively: asking questions, giving feedback, contributing opinions in team settings

Will be a plus:

Experience with MediaWiki

Experience with enterprise web platforms or CMS

Prior experience working in distributed international teams (not local outsourcing setups)

Project description:

Our client is a German product company focused on enterprise wiki solutions based on MediaWiki, used by companies worldwide for internal documentation, collaboration, and knowledge management.

This is a long-term product, not a short-term outsourcing project - the team has been building and refining this platform for years, with a strong focus on code quality, usability, and sustainable architecture. The team (Germany + EU, up to 50 people) genuinely values open communication and healthy work-life balance - but that culture depends on people who participate in it, not just execute tasks silently.

Responsibilities:

• Develop and maintain customer-specific features for BlueSpice
• Continuously improve and modernize the product
• Support the team with bug fixing and error analysis
• Write clean, maintainable, and testable code
• Actively participate in code reviews and technical discussions — bring your perspective, don't just approve
• Work closely and communicatively with the German product team
• Technology stack: PHP, JavaScript, Vue.js, MediaWiki, MySQL, Elasticsearch, PHPUnit, SOA, PSR-4

We offer:

• Long-term, stable product project - full commitment expected, no parallel projects
• Direct collaboration with the German team
• Predictable workload and healthy work environment
• Interesting technical challenges and a mature, well-maintained codebase
• Competitive compensation
• Paid vacation and sick leave
• Optional business trips to Germany
• Professional growth within a strong product team

Ever wanted to build a platform from scratch instead of spending years maintaining legacy code?

Where your architectural decisions shape a product used by millions of people every week?

Where you'll work directly with company leadership, influence technical direction, and have a clear path toward becoming an Engineering Lead?

If you enjoy building scalable full-stack applications, solving complex engineering challenges, and creating software that powers real-world operations — we'd love to talk.

About the Company

Our client is a UK-based logistics and delivery technology company operating one of the country's largest last-mile delivery networks.

Every week, millions of parcels, newspapers, and essential goods are delivered through their platform for some of the UK's largest retailers and logistics providers.

After more than two decades of operational success, the company is investing in a complete rebuild of its core technology platform using a modern JavaScript ecosystem. This is a true greenfield project where engineering teams have the opportunity to design scalable systems without the burden of legacy architecture.

The company combines the stability of an established business with the speed and engineering culture of a modern product company.

The Role

We're looking for a Senior Full Stack Engineer who enjoys building products end-to-end and wants to play a key role in defining the architecture of an entirely new platform.

Location & Working Model

This is a hybrid position based in Paphos, Cyprus, with two/ three days per week in the office for architecture workshops, technical planning, and collaborative design sessions.

We're looking for engineers who are already based in Cyprus or are ready to relocate for a long-term opportunity. The company offers official full-time employment and can support relocation for the right candidate.

What You'll Do

Full Stack Development

• Build modern web applications using React and TypeScript
• Develop backend services and APIs using Node.js
• Design scalable database structures with PostgreSQL
• Deliver features from concept through production deployment

Architecture & Engineering

• Design scalable, maintainable system architecture
• Make technical decisions that support long-term platform growth
• Build cloud-native applications using AWS and Docker
• Contribute to architecture discussions and technical planning

Leadership & Mentorship

• Mentor engineers through code reviews and technical guidance
• Help establish engineering standards and development best practices
• Collaborate closely with the CEO and CTO on product direction
• Grow into leading a team of engineers as the organization scales

Product Collaboration

• Work directly with business stakeholders to translate operational needs into software
• Build internal platforms used daily by operations teams, dispatchers, and drivers
• Continuously improve products based on real customer and business feedback

What You Bring

• 5+ years of commercial Full Stack development experience
• Strong React and modern frontend architecture experience
• Excellent knowledge of Node.js and TypeScript
• Experience designing REST APIs and scalable backend systems
• Strong knowledge of PostgreSQL and relational database design
• Experience working with AWS and Docker
• Understanding of software architecture, scalability, and engineering best practices
• Experience mentoring developers or leading technical initiatives
• Upper-Intermediate English or higher

Nice to Have

• Experience with Prisma ORM
• Experience designing distributed systems
• CI/CD and cloud infrastructure experience
• Experience building high-load or mission-critical applications
• Previous experience leading engineering teams

What You Get

• Official Employment: Full-time employment with a Cyprus-based company.
• Relocation Opportunity: Candidates willing to relocate to Cyprus for a long-term role are welcome to apply.
• Greenfield Product Development: Build a completely new platform using modern technologies instead of maintaining legacy systems.
• Real Technical Ownership: Influence architecture, engineering standards, and long-term technical decisions from day one.
• Leadership Growth: Clear progression toward an Engineering Lead role as the team expands.
• Direct Access to Leadership: Work closely with the CEO and CTO in a fast-moving, engineering-driven environment.
• Hybrid Flexibility: Collaborate in person for architecture sessions while enjoying focused remote work during the rest of the week.
• Engineering-First Culture: High autonomy, thoughtful decision-making, and an environment where technical excellence is valued over bureaucracy.

Interested?

Apply now if you're excited about building modern full-stack platforms, designing scalable architecture, and helping shape the future of a product used by millions of people every week.

About the job

Our company builds a modern operations platform for oil delivery businesses. Heating oil dealers across the northeastern US run mission-critical daily operations (dispatch, routing, deliveries, billing) on decades-old software and paper tickets. Our platform runs the entire delivery workflow: customer and tank management, pricing, dispatch, route optimization, and an offline-first driver app, with automated delivery forecasting on the roadmap. In oil delivery, every truck-hour counts and a missed delivery in January is a frozen home. We help dealers run more gallons per truck with less office overhead.

About the Role

We're looking for a Senior Full-Stack Software Engineer who thrives at the intersection of engineering and product thinking. You'll own features end-to-end: design, build, launch, and iterate across our stack, including the dispatch and back-office web app, the offline-first driver experience, routing API integrations, and the data layer that powers delivery forecasting. Your work goes live in October running a real oil dealership's daily operations through the winter heating season.

We care deeply about both product quality and speed. We ship fast, but everything that ships gets reviewed: all core code goes through a code review, and we hold each other to a high standard on correctness, reliability, and user experience.

This is a full-time contract role, working with significant overlap with the US Eastern Time Zone. You'll work directly with the technical founder, a former J.P. Morgan trading-systems engineer who stays hands-on in the codebase while driving the business. We are currently a team of two and looking to bring on a founding engineer.

What You'll Do

• Own feature development from database schema to driver-facing experiences.
• Build our offline-first driver experience (service workers, local persistence, sync on reconnect) for trucks that lose signal on rural routes.
• Integrate routing and optimization APIs with dispatcher override workflows.
• Participate in code reviews, both giving and receiving direct, constructive feedback on pull requests.
• Hold a high bar for code quality, reliability, and monitoring. This system runs a oil business in a northeastern winter, where downtime has real-world consequences.

• Prioritize ruthlessly against an October go-live and navigate evolving domain requirements with autonomy.

   

What You'll Bring

• 4+ years of full-stack engineering experience with production systems people depended on.
• Strong Python (Django or Flask) and solid TypeScript/React skills.
• Strong PostgreSQL and relational data modeling; multi-tenant schema experience a plus.
• Comfort owning third-party API integrations (mapping and routing, payments, QuickBooks a plus).
• Strong familiarity with AI-assisted development tools (Claude Code, Copilot).
• A balance of speed and craft: you ship quickly without cutting corners that matter, and you welcome code review as part of how good software gets built.
• Low ego, high autonomy, resilient against a hard deadline.
• Proactive and precise communication in English. You'll work async across time zones.