Jobs Fullstack

We are looking for a Senior Backend Developer capable of taking technical ownership, making independent decisions, and ensuring reliable delivery of complex, production-ready solutions. We expect a highly skilled engineer who can drive results, structure development processes, and demonstrate strong leadership qualities.

Core Requirements:

📌 English: Upper-Intermediate or higher.

📌 6+ years of commercial experience with key technologies:

• Python
• Node.js

• Azure

   

📌 Commercial experience with additional technologies:

• NestJS
• Express.js
• TypeScript
• REST API / GraphQL

• PostgreSQL

   

Nice to have:

• Understanding of core cloud services (Compute, Storage, Networking, IAM) and their practical application in production environments.
• Experience with deploying, maintaining, and optimizing cloud-based infrastructure is a strong advantage.

Senior-Level Expectations

The candidate must demonstrate advanced technical maturity and hands-on experience with:

• Launching live production projects and supporting production environments.
• Solving complex technical challenges and optimizing system architecture.
• Independent decision-making in technical matters with minimal supervision.
• Leadership skills, including guiding and coordinating development teams.
• Code quality control (code reviews, enforcing coding standards).
• Technical risk management, identifying potential issues and mitigation strategies.
• Effort and timeline estimation for features and development tasks.
• Participation in release planning, coordinating the technical delivery process.

Key Personal Qualities

• Strong sense of ownership and responsibility.
• Analytical thinking and a results-driven mindset.
• Ability to work effectively in a dynamic and fast-paced environment.

What we can offer:

Full-time flexible working schedule;

Comfortable, cosy, and well-equipped office;

Modern working place MacBookPro;

18 business days of paid vacation / 10 paid sick leaves / public holidays in Ukraine.

English lessons

B2B; Full-time, long-term cooperation, 3 steps to the job offer.

Join a fast-growing AI product company that is building the future of autonomous AI agents for developers. You will collaborate closely with AI engineers to create tools that enhance coding workflows, automate tasks, and significantly improve developer productivity.

 

Why join them?

• Be part of next-generation AI-powered development tools transforming software engineering.
• Collaborate with highly experienced engineers and AI specialists.
• Solve complex technical challenges in a fast-paced, rapidly scaling environment.
• Grow within a supportive and high-impact engineering culture.
• Work with cutting-edge technologies that evolve quickly.
   

Tech Stack

React, TypeScript, Python, PostgreSQL, Redis, AWS (extensive use of cloud services)

 

Responsibilities
 

• Design and develop high-quality software with a strong focus on frontend applications.
• Build scalable backend systems and contribute to cloud infrastructure optimization.
• Develop interactive UI components and IDE plugins.
• Work on challenges such as parsing large codebases, integrating AI assistants, and improving system performance.
• Collaborate in a fast-paced environment, taking ownership and driving solutions proactively.
  
   

Required Qualifications
 

• 7+ years of full-stack engineering experience, with a strong emphasis on frontend development.
• Proven startup experience (mandatory).
• Deep expertise in React and TypeScript, with strong knowledge of modern frontend architectures.
• Solid experience with Python.
• Strong experience working with AWS and cloud-based architectures.
• Hands-on experience using AI-powered developer tools in daily work (usage, not development).
• Experience with CI/CD pipelines, automated testing, and modern development workflows.
• Proactive mindset with the ability to work independently in fast-paced environments.
• Passion for developer tools and writing clean, high-quality code.
   

Nice to Have

• Experience with Infrastructure as Code (IaC) tools such as Terraform or Pulumi.
  
   

Motivation to apply: If you’re excited about building impactful developer tools, thrive in fast-moving environments, and want to work at the intersection of frontend excellence and AI innovation - they would love to hear from you.

Description

British technology platform specializing in video streaming and collaboration for the healthcare sector.
The services solution brings together the right people, information, and live video feeds simultaneously, at the optimal time, regardless of location.
Its primary goal is to bring all aspects of healthcare together in a single digital workspace.
 

Requirements

• 3+ years of commercial experience as a Full-Stack or Backend/Frontend Engineer
• Experience with PHP (7.2+) and Laravel (REST APIs, Eloquent, migrations)
• Solid knowledge of React.js (16/17) – components, hooks, SPA architecture
• Good understanding of JavaScript (ES6+) and modern frontend tooling
• Hands-on experience with MySQL (schema design, performance optimization)
• Experience designing and consuming REST APIs
• Familiarity with Git-based workflows
• Basic Linux knowledge (deployment, debugging, logs)
• Strong problem-solving skills and ability to work independently
   

Be a plus:

• Experience with state management (MobX, Redux, etc.)
• Exposure to WebRTC / video streaming solutions
• Experience with testing (PHPUnit or similar)
• Familiarity with AWS (especially S3)
• Experience with RHEL / CentOS environments
• Background in healthcare or regulated domains 
   

Job responsibilities

Handles investigation and resolution of  issues impacting application functionality or performance. Ensures back-end services are stable, secure, and compliant with SLA response and resolution times.
Responsible for diagnosing and fixing issues in the user interface, ensuring consistent and responsive user experience. Works closely with QA and back-end teams to resolve defects reported under SLA obligations.

• Project Description:

  Join a Team Redefining Modern Banking Technology!
  
  Our client is a Swiss bank focused on delivering advanced online trading and financial services. Unlike traditional financial institutions heavily dependent on legacy systems, this bank invests in a lean, modern, and continuously evolving technology stack.
  
  What the Project Is About
  The team is responsible for all post‑market Forex operations, ensuring that trading activities are accurate, consistent, and properly reconciled after the end of each market day.
  One of the latest initiatives delivers near real‑time reconciliation of trade data from multiple sources, including Coinbase, Bitstamp, and Kraken. The solution enables live monitoring of risk exposure, especially during external platform downtimes or degraded availability.
  
  Technology & Engineering Culture
  We continuously evolve our systems toward:
  * Atomic, independently deployable microservices
  * Self‑contained applications with clear ownership
  * Dockerized environments
  * Automated CI/CD pipelines
  Engineering decisions focus on reliability, transparency, and scalability, supporting business‑critical banking systems.
  
  How We Work
  Scrum teams of 5-8 cross‑functional engineers. Each team member contributes to both backend and frontend components.
  
  Daily collaboration with client stakeholders through:
  * Stand‑ups
  * Refinement and design sessions
  * Status and planning meetings
  Agile best practices applied across delivery
  
  Primary communication tools:
  * Microsoft Teams
  * Outlook and internal collaboration platforms
  
  What We Offer
  + Professional growth
      Local trainings, workshops, and on‑demand webinars
      Company‑funded conferences and certifications
  + Competitive compensation
      Annual review based on performance and professional development
  + Healthy work-life balance
      Team buildings and corporate events
      Hackathons and innovation initiatives
      A culture that values sustainable delivery
  
  If you are proactive, creative, and motivated by building robust banking systems with real business impact, you will contribute directly to improving both product quality and engineering practices.
  Join us and help shape modern banking solutions.

• Responsibilities:

  * Design and develop product features end‑to‑end, covering frontend, backend, and data layer
  * Develop reusable, maintainable, and well‑tested code following team standards
  * Write and maintain unit, integration, and E2E tests to ensure reliability and scalability
  * Participate in code reviews, provide constructive feedback, and improve overall code quality
  * Collaborate with other engineers to clarify requirements and propose technical solutions
  * Take ownership of assigned features from requirements refinement to production deployment
  * Actively participate in Scrum events (planning, refinement, reviews, retrospectives), including direct communication with the client
  * Identify and address technical debt within owned areas of the codebase

• Mandatory Skills Description:

  - At least 3+ years of proven experience in a Software Developer/Engineer position [up to 1 year of work with Web Development stack]
  - Java core, Java 11-21 features
  - Proven knowledge of ReactJS, Redux
  - OOP/OOD knowledge, Design Patterns
  - Unit testing frameworks (JUnit, Mockito)
  - Integration tests
  - Spring framework, IOC
  - RESTful services
  - SQL knowledge, any RDBMS
  - CI tools experience

• Nice-to-Have Skills Description:

  - Education: Bachelor's / Master's degree in computer science or computer engineering
  - Experience in finance/banking business domain
  - Unix usage experience
  - Kafka

Summary

Full Stack Engineer (Node.js, PostgreSQL), remote role focused on building core platform systems for an enterprise AI product, requiring 3+ years of experience, along with a strong algorithmic background demonstrated through achievements in programming competitions, high rankings on coding platforms, or success in algorithm-focused hackathons.

About the company

Our client builds an AI platform that enables enterprises to customize and deploy AI capabilities for their specific needs. The platform team is central to this work, responsible for infrastructure, shared components, and internal tooling that the rest of engineering depends on.

The role

This is a hands-on implementation engineering position. You'll work on deploying, configuring, and integrating the platform for enterprise clients, translating their requirements into working solutions, deployed at client's infrastructures. The role sits between product engineering and customer success: technically deep, but with awareness of real-world client needs.

You'll collaborate closely with platform engineers and business teams, occasionally joining business discussions to clarify technical requirements or explain implementation details.

What you'll work on

• Implementing and configuring platform deployments for enterprise customers
• Building integrations between the platform and client systems
• Working with internal teams to understand client requirements and translate them into technical solutions
• Contributing to implementation tooling, documentation, and repeatable deployment processes
• Troubleshooting and resolving issues during and after deployment
• Occasionally, participating in client calls to gather requirements or provide technical guidance

What we're looking for

• Prize-winning places at programming olympiads (IOI, ICPC, Google Code Jam, Facebook Hacker Cup) or regional competitions.
• High rating on coding platforms: LeetCode (Knight+ or 2000+ rating), HackerRank (Gold+), Codeforces (Expert+ or 1900+ rating).
• Participation in hackathons with a focus on algorithmic problems (for example, victories at HackMIT, AngelHack).
• Strong proficiency in Node.js and TypeScript
• Experience with React and frontend integration
• PostgreSQL/similar RDBMS and general data modeling knowledge
• Familiarity with cloud platforms (AWS, Azure, or GCP), and multi-cloud exposure is valuable
• Clear communication skills - comfortable explaining technical concepts to non-technical stakeholders
• Ability to work independently and manage multiple implementation workstreams
• 3+ years of software engineering experience

Useful additions / nice to haves

• Experience with AI platforms or AI/LLM integration
• Familiarity with CI/CD pipelines and infrastructure-as-code
• Vue.js experience
• Background in enterprise software implementation or professional services
• Previous work in similar roles

• Project Description:

  Join a Team Redefining Modern Banking Technology!
  Our client is a Swiss bank focused on delivering advanced online trading and financial services. Unlike traditional financial institutions heavily dependent on legacy systems, this bank invests in a lean, modern, and continuously evolving technology stack.
  What the Project Is About
  The team is responsible for all post‑market Forex operations, ensuring that trading activities are accurate, consistent, and properly reconciled after the end of each market day.
  One of the latest initiatives delivers near real‑time reconciliation of trade data from multiple sources, including Coinbase, Bitstamp, and Kraken. The solution enables live monitoring of risk exposure, especially during external platform downtimes or degraded availability.
  Technology & Engineering Culture
  We continuously evolve our systems toward:
  * Atomic, independently deployable microservices
  * Self‑contained applications with clear ownership
  * Dockerized environments
  * Automated CI/CD pipelines
  Engineering decisions focus on reliability, transparency, and scalability, supporting business‑critical banking systems.
  How We Work
  Scrum teams of 5-8 cross‑functional engineers. Each team member contributes to both backend and frontend components.
  
  If you are proactive, creative, and motivated by building robust banking systems with real business impact, you will contribute directly to improving both product quality and engineering practices.
  Join us and help shape modern banking solutions.

• Responsibilities:

  * Design and develop product features end‑to‑end, covering frontend, backend, and data layer
  * Develop reusable, maintainable, and well‑tested code following team standards
  * Write and maintain unit, integration, and E2E tests to ensure reliability and scalability
  * Participate in code reviews, provide constructive feedback, and improve overall code quality
  * Collaborate with other engineers to clarify requirements and propose technical solutions
  * Take ownership of assigned features from requirements refinement to production deployment
  * Actively participate in Scrum events (planning, refinement, reviews, retrospectives), including direct communication with the client
  * Identify and address technical debt within owned areas of the codebase

• Mandatory Skills Description:

  - At least 3+ years of proven experience in a Software Developer/Engineer position [up to 1 year of work with Web Development stack]
  - Java core, Java 11-21 features
  - Proven knowledge of ReactJS, Redux
  - OOP/OOD knowledge, Design Patterns
  - Unit testing frameworks (JUnit, Mockito)
  - Integration tests
  - Spring framework, IOC
  - RESTful services
  - SQL knowledge, any RDBMS
  - CI tools experience

• Nice-to-Have Skills Description:

  - Education: Bachelor's / Master's degree in computer science or computer engineering
  - Experience in finance/banking business domain
  - Unix usage experience
  - Kafka

Mate academy — an EdTech company with an AI-powered LMS platform where people learn IT specialties.

Our mission is to help 1 million people worldwide build their careers in IT.

With over 5500+ graduates who've landed their first IT jobs after just 4 months of training, we've successfully launched our business in Poland and Brazil, with plans to expand further.

We are looking for an Fullstack Team Lead — an experienced technical specialist who combines development expertise with marketing experience, and team management skills. This role is critical to our market growth: your decisions will shape how prospective students discover us, move through the purchase journey, and become part of Mate academy.

What makes this role exciting:

• End-to-end ownership: landing pages, funnels, payments, analytics.
• Building interactive growth products (custom forms, promos, experiments).
• Opportunity to build internal tools (e.g. our own Typeform alternative).
• Fast delivery with real business impact.
• Direct collaboration with marketing, product, and sales.
• You will directly impact how users discover Mate, go through funnels, and convert into students.

Required skills:

• 3+ years of software development experience.
• Experience with web analytics tools (Google Analytics, Google Tag Manager, or equivalent).
• Solid understanding of A/B testing methodology.
• Experience with React, Next.js.
• Hands-on experience building and optimizing landing pages and marketing funnels.
• Leadership, mentoring experience, or willingness to develop in this direction.
• English level: Upper-Intermediate.

Nice-to-have skills:

• Experience with analytics tools (Amplitude, GrowthBook, Looker) and integrating payment providers (Stripe or similar)
• Experience supporting marketing events (webinars, marathons, product launches).
• Familiarity with conversion rate optimization and funnel analytics.
• Experience with headless CMS (Strapi) or landing page builders.

Key responsibilities:

• Lead and grow an acquisition team of 3 junior devs.
• Stay hands-on: build and optimize processes, integrations.
• Own technical decisions for acquisition systems.
• Standardize and scale landing page production .
• Improve analytics setup and tracking across all funnels.
• Bring structure to content systems (Strapi, landing builders).
• Implement AI best practices into team workflows.
• Identify bottlenecks and continuously improve processes.

We offer:

• A collaborative and dynamic team with opportunities to contribute creatively.
• A no-bullshit culture with 0% bureaucracy.
• Paid vacation and sick days.
• Hybrid working model (3 days office / 2 days remote).
• Cozy office in Kyiv with a bomb shelter for emergencies.
• Performance/salary reviews every 6-12 months.
• Paid lunches (when working from the office).
• Access to English courses and a learning budget.
• Apple equipment for comfortable work.

Recruitment process:

1. Call with the recruiter
2. Tech interview with Tech Lead
3. Culture fit interview with the CTO and CEO

LineUp is a fast-growing IT outsourcing company with 13 years of experience. We are currently looking for a Middle Fullstack Developer to join a long-term product project.

You will become part of the Smart City ecosystem - a large-scale software product for the Middle East market. This is a fully agile, product-oriented environment with real users and a tangible impact on urban infrastructure.

Key Responsibilities:

• Develop and maintain solutions using Node.js, NestJS, React, and Next.js.
• Build and manage microservices and monorepo environment architectures on the backend.
• Design, implement, and optimize database solutions using PostgreSQL (AWS RDS) and caching with Redis.
• Work with various AWS services including SQS, S3, Lambda, IAM, EC2, and EKS/ECS to build scalable and efficient cloud-based solutions.
• Contribute to containerization and deployment processes using Docker, including building images and pushing to registries, implementing and maintaining CI/CD pipelines using GitLab runners.
• Utilize state management tools like Zustand or similar, and integrate frontend applications with backend services using TanStack (React Query) or other data-fetching libraries.
• Ensure UI/UX consistency by leveraging component libraries such as PrimeReact or similar and building reusable components.
• Implement monitoring and observability for applications using Prometheus and Grafana to ensure system reliability and performance.
• Participate in the agile development process, contributing to scram events, fostering a collaborative and cross-functional team environment.

• Stay current with the latest technologies and best practices, and promote continuous learning and self-development within the team. Mentor other team members, providing guidance and sharing your knowledge.

   

Qualifications:

• Minimum of 3 years of experience in backend and frontend development with a strong focus on Node.js, NestJS, React, Next.js, and related technologies.
• Experience with microservices architectures and monorepo environments will be a plus.
• Proficiency in PostgreSQL (AWS RDS), Redis, and backend data management.
• Familiarity with AWS cloud services including SQS, S3, Lambda, IAM, EC2, and EKS/ECS.
• Understanding of Docker, CI/CD pipelines, and experience with GitLab runners.
• Experience with frontend state management libraries (e.g., Zustand) and data-fetching tools like TanStack (React Query).
• Familiarity with component libraries such as PrimeReact or similar, and a working knowledge of React hooks.
• Ability to document architectures, designs, and processes clearly.
• Excellent problem-solving skills and attention to detail, with a passion for creating high-quality, performant code.
• Ability to work effectively both independently and as part of a team in an agile environment.
• Good communication skills, with the ability to interact professionally with team members and stakeholders.

• English at Upper-Intermediate level and above.

   

What We Offer:

• Competitive salary.
• A collaborative and innovative work environment.
• Professional development opportunities.
• The chance to work on exciting and challenging projects.
• A supportive company culture.

Join us in delivering excellence through agility and innovation!

Description

We are looking for an Applications Engineer to build and operate the platform that enables employees across the company both technical and non-technical to create, deploy, and maintain internal applications using AI-assisted development tools such as Claude Code.

This role is the operational backbone of our AI-Assisted Application Development & Deployment Program. You will own the infrastructure, tooling, templates, and support workflows that make it possible for application creators to go from idea to production safely and reliably. The role sits at the intersection of software engineering, DevOps, and IT support you’ll write libraries and templates one day, configure CI/CD pipelines the next, and walk a non-technical colleague through a deployment the day after that.

You will work directly with application owners to onboard their projects, set up compliant repositories, configure hosting and monitoring, and ensure that deployed applications meet the security and operational standards defined in our AI-Assisted Application Development & Deployment Policy.

Requirements

Required Qualifications

• 4+ years of experience in a role combining software engineering, DevOps, or platform/infrastructure engineering.
• Strong proficiency in Python and TypeScript.
• Hands-on experience with AWS services, specifically: ECS Fargate, S3, CloudFront, RDS (MySQL), IAM, and Secrets Manager.
• Experience building and maintaining CI/CD pipelines with GitHub Actions.
• Working knowledge of Docker for local development and containerized deployments.
• Experience with Infrastructure as Code (AWS CDK, CloudFormation, or Terraform).
• Familiarity with Okta or similar identity providers for SSO/OIDC integration.
• Experience with MySQL database administration, including backup strategies, performance monitoring, and access control.
• Solid understanding of web application security fundamentals — dependency management, secret scanning, input validation, authentication patterns.
• Strong written and verbal English communication skills, with the ability to explain technical concepts to non-technical colleagues.

Preferred Qualifications

• Experience building internal developer platforms or self-service infrastructure for non-engineering teams.
• Familiarity with AI-assisted development tools (Claude Code, GitHub Copilot, or similar).
• Experience creating and maintaining shared libraries or SDKs consumed by other teams.
• Background in IT support or technical enablement roles where you worked directly with non-technical users.
• Experience with static site hosting patterns (S3 + CloudFront, Netlify, or similar).
• Familiarity with structured logging and observability platforms (CloudWatch, Datadog, ELK, or similar).
• Experience conducting security reviews or audits of web applications.

Job responsibilities

Platform Engineering & Templates

• Create and maintain GitHub repository templates for static HTML and interactive applications, pre-configured with CI/CD pipelines, compliance libraries, and project scaffolding.
• Develop and maintain Claude Code skills for each supported application type (static HTML, Python backend, TypeScript backend) that scaffold compliant projects and wire in required libraries.
• Build and maintain shared libraries in Python and TypeScript for structured logging, error reporting, and alerting that satisfy the program’s centralized observability requirements.
• Maintain and publish an internal style guide (HTML/CSS/JS) and associated assets to ensure a consistent look and feel across internal tools

Infrastructure & Deployment

• Set up and manage S3 + CloudFront hosting for static applications, secured behind Okta authentication (SSO/OIDC).
  Deploy and manage interactive applications on ECS Fargate, with supporting infrastructure including S3/CloudFront for static assets and RDS MySQL for data persistence.
• Build and maintain GitHub Actions CI/CD pipelines for automated deployment to AWS, including dependency vulnerability scanning and credential scanning as required by policy.
• Create and maintain local development and testing environments using Docker for interactive applications, with clear documentation that enables non-technical application owners to run and test locally.
• Manage Infrastructure as Code for all platform resources using AWS CDK or equivalent tooling.

Database Administration

• Administer RDS MySQL instances supporting interactive applications, including provisioning, access control, backup configuration, and recovery testing.
• Monitor database performance and optimize as needed, including query analysis and instance right-sizing.
• Enforce minimum-privilege database access for each application and ensure encryption at rest is enabled.

Security & Compliance

• Perform security reviews of AI-assisted applications at initial deployment and on a quarterly basis thereafter, as defined by policy.
• Configure and monitor Dependabot (or equivalent) across all application repositories to surface dependency vulnerabilities.
• Set up and maintain application health monitoring and uptime alerting for all hosted applications.
• Enforce secret scanning in CI pipelines and ensure no credentials are committed to source control.
• Identify and suspend applications that are unmaintained or have unresolved critical vulnerabilities beyond the 14-day remediation window.

Support & Enablement

• Serve as the primary technical point of contact for application owners going through the intake, setup, and deployment process.
• Assist application owners many of whom are non-engineers with onboarding, troubleshooting, and understanding compliance requirements.
• Develop and maintain documentation and training materials (including Loom walkthroughs) covering Git basics, template usage, deployment workflows, and policy requirements.
• Manage the application registry and directory, keeping ownership records current and coordinating ownership transfers during employee offboarding.

For our client, a leading international service provider in the field of information technology, we are seeking a Mid/Junior Fullstack Developer (Python).

Start: ASAP
Duration: Until 30.06.2026 (optional extension)
Location: EU
Workload: Full-time
Language: English, German(nice to have)

Tasks:
L1 / L2 Fullstack Developer to support internal tool development to optimize capacity planning and portfolio management.

Must-have skills:

• Python / Streamlit
• Experience with database schema adaptations (PostgreSQL)
• Git / CI/CD pipelines
• English

Requirements:

• Minimum of 2 years of professional experience in software development (Python / Fullstack)

Be our CTO's technical partner: Own many domains, deliver work across entire platform, debate roadmap and technical approaches. This is a leadership role without management responsibility.

Real ownership + hard problems + proven team = rare career opportunity.

_________________________________________________

What We're Building

Nesso is an AI-powered platform for therapists running private practices.

We combine practice management tools (scheduling, billing, documentation, communication) with AI-driven business insights that help therapists grow as business owners.

📍 Stage: pre-launch, building V1.

Why This Is Interesting

Proven founders who know this space:

• Fletcher Dennison (CEO) and Will Morales (CPO) were the first employees at SimplePractice (the current market leader, IPO in 2021)
• Spent 10+ years building software used by 200,000+ therapists and millions of clients
• Self-funded = accountable to customers, not investors
• Ukrainian CTO building a European engineering team

Technical partnership, not just senior IC:

• CTO's right hand, driving toward V1
• Earn ownership of many technical domains
• Autonomous decision-making
• Critical input in roadmap prioritization, technical, and architectural approaches
• Must thrive in debate culture (decisions challenged to find best solutions)

Hard technical problems you'll solve:

• Building AI therapists can trust with business & clinical judgment
• Designing a HIPAA-compliant architecture from the ground up
• Proactive intelligence that feels like a smart assistant
• Structured, secure clinical data pipeline
• Personalization engine at scale (100K+ therapists, 1M+ clients)
• Secure, responsive architecture across platforms

Unique breadth and leadership, not possible at larger companies:

• No technical challenge is out of bounds. From custom UI interactions → financial reporting → AI pipelines → security architecture → data modeling
• Learn and grow by shipping products across the entire platform

The Tech Stack

Frontend

• React 19, TypeScript 5.5
• TanStack Query v5, Zustand
• Tailwind CSS, shadcn/ui components
• Zod validation, React Hook Form

Infrastructure & AWS

• Node.js 24.x LTS
• SST (Serverless Stack)
• AWS Cognito, Aurora Serverless (PostgreSQL), DynamoDB, S3, Lambda, API Gateway
• Turborepo monorepo with pnpm

Architecture

• Clean Architecture (domain → application → infrastructure layers)
• DDD
• Feature-based code organization
• CQRS pattern for queries/mutations

What We're Looking For

Must have:

• 7+ years of experience in software engineering
• Led architecture decisions — designed systems from scratch or driven major refactors
• Deep TypeScript expertise (strict mode, generics, type-safe patterns across frontend and backend)
• Deep React experience (hooks, performance optimization, state management)
• Node.js backend development (API design, Lambda handlers, async patterns)
• Clean Architecture, DDD, and CQRS
• AWS services (Lambda, API Gateway, Cognito, Aurora/DynamoDB, S3)
• PostgreSQL (schema design, migrations, query optimization)
• Monorepo experience (dependency graphs, build orchestration, shared packages)

Nice to have:

• Serverless-first architecture (SST, CDK, or similar IaC)
• TanStack ecosystem (Router, Query)
• Zod or similar runtime validation at system boundaries
• Real-time systems (WebSockets)
• Scaling serverless workloads
• HIPAA or regulated industry experience
• Payment system integration (Stripe)

Mindset:

• Ownership mentality — you build things end-to-end, problem-solve, and are adaptable
• Intellectually honest — you want decisions challenged to get to the best one
• Breadth-seeking (not narrow specialization)
• Thrive in ambiguity and startup environments

Not for you if:

• Need hierarchy/approval processes
• See debate as conflict
• Want narrow specialization
• Want to manage people now

What We Offer

💰 Compensation:

• Negotiable based on experience
• B2B contract

🕐 Work:

• Fully remote
• Full-time (40+ hours/week)
• Flexible hours

🚀 Growth:

• Merit-based — do great work, take on more ownership, grow your comp and title
• Flexible path (IC or future management)

🌱 Environment:

• Small, focused, senior team
• Minimal meetings, maximum trust
• No investor pressure or bureaucracy

Hiring process

Recruiter screen (30 min) → Technical interview with CTO (2.5+ hrs) → Team fit interview with Head of Design and co-founders (60 min)

Project Overview:

We’re looking for a senior, highly independent full stack developer to support ongoing product and platform work. This role requires someone who can take ownership of features end-to-end, with a balanced skill set across frontend and backend, and the ability to operate with minimal guidance in a fast-moving environment.

The ideal candidate is at least 50/50 full stack, with strength leaning slightly toward backend, while still being comfortable owning frontend implementation when needed. They should be confident making technical decisions, unblocking themselves on complex work, and delivering pragmatic, high-quality solutions without heavy day-to-day oversight.
 

Customer Overview:

USA influencer marketing platform for organizations looking to advance their creator marketing. Its enterprise-grade technology and industry-leading intelligence facilitate scaled creator discovery, streamlined workflows, and robust reporting, while ensuring compliance and brand safety.
 

Responsibilities:

The ideal candidate is at least 50/50 full stack, with strength leaning slightly toward backend, while still being comfortable owning frontend implementation when needed. They should be confident making technical decisions, unblocking themselves on complex work, and delivering pragmatic, high-quality solutions without heavy day-to-day oversight.

Skills/Requirements:

• Senior-level full stack experience (5+ years)
• Strong backend experience with Node.js and API design
• Solid React and TypeScript experience on the frontend
• Ability to own features end-to-end, from backend logic through frontend delivery
• Experience working on scalable systems and contributing to overall architecture
• Strong testing mindset (unit and integration)
• Comfortable working independently in a fast-paced, remote environment
• Familiarity with AWS (e.g., Lambda, EC2) and modern CI/CD workflows is a plus

We are looking for a strong Full-Stack .NET + React Engineer with knowledge in AI LLM integrations to help expand and improve an existing AI CFO product. The MVP is already built and in use. This role is focused on building new features, improving AI Agent performance, and developing new Agents.

You will work directly on an active product and help us:

• Design and implement new features on top of an existing system
• Build advanced file export and reporting functionality (PDF, Excel, structured reports)
• Improve accuracy, consistency, and performance of LLM outputs
• Maintain and optimize generating charts and graphs using LLMs
• Create evaluation pipelines to measure and optimize model performance
• Implement validation layers and deterministic post-processing

Core Requirements

Full-Stack Engineering

• React (or similar frontend framework) experience
• .NET Backend development experience
• Working with AWS (or similar cloud environments)
• Knowledge with relative and document databases 

AI / LLM Engineering

• Proven experience integrating LLMs into real applications
• Experience with MCP and understanding how it works
• Structured output generation (JSON, reports, analytics)
• Prompt engineering and workflow optimization
• Building evaluation frameworks and test suites for AI systems
• Experience with frontier LLM models
• Handling retries, validation, guardrails, and fallback logic
• Optimizing cost, latency, and accuracy trade-offs
• Use AI-assisted coding tools (Claude Code) to ship faster

Strong Plus

• Financial analytics or accounting-related software experience
• Familiarity with QuickBooks or similar financial systems

Engagement Model

• Part-time contract (~120 hours per month)
• Fully remote
• Flexible schedule
• Long-term collaboration (not a short gig)
• Complete freedom in choosing technologies and architectural solutions

This is perfect for an experienced engineer who prefers flexible contract work and enjoys building practical AI systems.

Shortlisted candidates will receive a test task. Detailed project information will be shared after signing an NDA.

Full-Stack Developer (React + Node.js)

Format: Remote (office optional)

NovaCore builds modern web products with pixel-perfect UX and reliable engineering foundations. We’re looking for a Full-Stack Developer (React + Node.js) who writes clean, maintainable code and is confident working across both frontend and backend parts of the stack.

Requirements

• 2+ years of commercial full-stack experience.
• Hands-on experience with React, Node.js, Express.js (production-level projects).
• Strong proficiency in JavaScript (ES6+) and TypeScript.
• Solid understanding of RESTful APIs, authentication mechanisms, and server–client data flow.
• Experience with Redux / React Query / Context API for state management.
• Practical skills in HTML5, CSS3, and responsive UI development.
• Understanding of database design (SQL or MongoDB) and ORM/ODM principles.
• English level — B1+ for technical communication and documentation.

Nice to have

• Experience with Next.js (SSR/SSG) or similar frameworks.
• Knowledge of GraphQL and API integrations.
• Familiarity with Docker, CI/CD pipelines, or cloud deployments (AWS, GCP, Vercel).
• Understanding of software design patterns and clean architecture principles.
• Ability to debug performance bottlenecks on both frontend and backend.

Responsibilities

• Develop and maintain full-stack web solutions using React and Node.js.
• Build reusable, scalable components and REST/GraphQL APIs.
• Work closely with NovaCore’s core engineering team to implement new features.
• Review and optimize code for performance and readability.
• Research and resolve issues using official documentation and trusted resources.
• Meet deadlines and communicate progress proactively.
• Keep client/company tracking systems and repositories up to date.

What we offer

• Personalized growth plan toward Senior Full-Stack Developer with regular performance reviews.
• Flexible schedule: work remotely or from the office.
• Educational support — paid courses, internal workshops, and learning materials.
• 12 paid vacation days and 12 paid sick days annually.
• Official public holidays according to Ukrainian legislation.
• Competitive compensation based on experience and results.

Hiring process

1. Short recruiter screen (15–20 min)
2. Technical interview with engineers (60–90 min)
3. Optional short coding task or live-coding
4. Final chat with manager → offer

Tech stack:
React, Node.js, Express.js, TypeScript, JavaScript, Redux, REST, GraphQL, Next.js, HTML5, CSS3, MongoDB, SQL

About NovaCore
We build smart digital solutions in Healthcare and E-commerce sectors — scalable, performant, and visually polished products trusted by clients worldwide.

🌐 www.novacore.digital

Who we are:

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries.

About the Product:

The product is an AI-driven development platform that allows non-technical stakeholders (product managers, UX designers, and executives) to generate, preview, and ship production-quality features without writing code. It integrates with existing large-scale codebases, applies design system standards automatically, and delivers pull requests ready for engineer review. The platform handles complex repository analysis, continuous updates to AI models, and automated validation to maintain code quality. Customers rely on it for rapid feature delivery, high reliability, and seamless integration into standard development workflows.

About the Role:

We are seeking a Senior Full Stack Developer to lead end-to-end development of an AI-enabled toolkit for software teams. You will design and implement scalable backend services on AWS, build interactive front-end components with React and TypeScript, and create IDE plugins that embed AI assistants into coding workflows. You will address challenges such as parsing large codebases, optimizing performance under high load, and ensuring reliable automated testing and deployment. The role offers broad ownership, direct impact on product direction, and close collaboration with AI engineers and product specialists.

Key Responsibilities:

• Architect and implement scalable backend services on AWS using Infrastructure as Code (Terraform or Pulumi).
• Optimize cloud-based solutions for performance, cost efficiency, and reliability.
• Design and develop interactive UI components and maintain a shared component library in React and TypeScript.
• Build and maintain IDE plugins and development tools that integrate generative AI assistants.
• Parse and analyze large existing codebases to enable autonomous feature generation and validation.
• Integrate AI models into development pipelines to automate routine tasks and accelerate delivery.
• Establish and maintain CI/CD pipelines, automated testing frameworks, and code review processes.
• Troubleshoot production issues, participate in on-call rotations, and deliver timely resolutions.
• Collaborate with AI engineers, automation specialists, and product teams to define and deliver end-to-end solutions.
• Continuously evaluate and adopt AI-powered developer tools to improve workflow efficiency and code quality.

Required Competence and Skills:

• 7+ years of full-stack engineering experience with significant front-end expertise in React and TypeScript.
• Strong backend development skills on AWS with hands-on experience in cloud architecture and IaaC tools (Terraform or Pulumi).
• Proven SQL proficiency and relational database design, including manual query optimization beyond ORM usage.
• Experience designing and maintaining CI/CD pipelines, automated testing frameworks, and modern development workflows.
• Deep understanding of JavaScript internals, frontend architecture patterns, and component-driven development.
• Hands-on experience with AI-powered development tools (e.g., Claude, Cursor, Cloud Code).
• Fluent English: verbal and written communication skills
• Prior experience in early-stage or high-velocity startup environments, demonstrating ownership and adaptability.

Nice to Have:

• Solid Python skills for backend or AI integration tasks.

Why Us:

We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in).

We provide full accounting and legal support in all countries we operate.

We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

We offer a highly competitive package with yearly performance and compensation reviews.