Jobs
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Β· 76 views Β· 34 applications Β· 17d
Middle Full Stack Developer (layout + PHP)
Full Remote Β· Worldwide Β· 2 years of experience Β· IntermediateRequirements: β’ 2+ years of experience with PHP (hands-on development). β’ Solid experience with the Laravel framework. β’ Knowledge of JavaScript (bonus if youβve used ES2015+). β’ Good HTML & CSS knowledge with 2+ years of experience in layout...Requirements:
β’ 2+ years of experience with PHP (hands-on development).
β’ Solid experience with the Laravel framework.
β’ Knowledge of JavaScript (bonus if youβve used ES2015+).
β’ Good HTML & CSS knowledge with 2+ years of experience in layout development.
β’ Experience with databases (e.g., MySQL, MongoDB, or others).
β’ Familiarity with package managers (composer, npm, yarn).
β’ Understanding of OOP and MVC architecture.
β’ English: Intermediate level (focus on written communication).
Nice to Have (but not required):
β’ Experience with modern tools: PHP8+, SASS, TypeScript, Webpack, Babel.
β’ Familiarity with version control systems like Git or SVN.
Responsibilities:
β’ Develop new applications, features, services, and APIs using Laravel and JavaScript.
β’ Create and maintain responsive, high-quality layouts using HTML and CSS.
β’ Stay up-to-date with new technologies, trends, and best practices in web development.
β’ Collaborate with team members to ensure efficient and high-quality internal processes.
β’ Participate in technical discussions and code reviews, applying critical thinking and contributing to the teamβs growth.
β’ Focus on delivering clean, maintainable code with an emphasis on simplicity and usability.
What We Offer:
βοΈ Stable and competitive salary with regular performance-based reviews.
βοΈ Opportunities for career growth and continuous skill development.
βοΈ Work on innovative projects using cutting-edge technologies.
βοΈ A dynamic environment with minimal bureaucracy to focus on delivering results.
βοΈ Professional bookkeeping and tax support.
βοΈ Compensation for external English language training.
Why Join Us?
Weβre a dynamic team passionate about creating impactful projects. At CUDEV, youβll grow professionally while collaborating with experienced colleagues in an environment that fosters creativity, innovation, and continuous learning.
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Β· 28 views Β· 2 applications Β· 17d
Senior Full-Stack (PHP+JS) Engineer
Full Remote Β· EU Β· 4 years of experience Β· Upper-IntermediateAbout Us We are a leading Israeli IT company with 15 years of market experience and 8 years in Ukraine. Officially registered in Ukraine, Israel, and Estonia, we employ over 100 professionals worldwide. Specializing in successful startup collaboration, we...About Us
We are a leading Israeli IT company with 15 years of market experience and 8 years in Ukraine. Officially registered in Ukraine, Israel, and Estonia, we employ over 100 professionals worldwide. Specializing in successful startup collaboration, we offer services across e-commerce, Fintech, logistics, and healthcare.
Our client is a leading video monetization platform used by hundreds of digital publishers worldwide to recommend high-quality video content to their users.
Key Requirements:
πΉAt least 4+ years of commercial experience as a Full-Stack Developer;
πΉExperience with PHP and object-oriented programming principles;
πΉStrong knowledge of Vanilla JavaScript (ES5/ES6);
πΉWeb Concepts β DOM manipulation, HTML rendering, Basic Web APIs and HTML page structure;
πΉFamiliarity with client/server architecture (MVP) and debugging tools like xdebug and browser dev-tools;
πΉHands-on experience with MySQL or other relational databases;
πΉEnglish β Upper-Intermediate or higher.Will be a plus:
πΉExperience with React.js;
πΉHands-on knowledge of Redis;
πΉBackground in AdTech (SSP/DSP, DFP, header bidding, floor price optimization, etc.);
πΉFamiliarity with Agile methodologies.What you will do:
πΉ Work on publisher integrations β customizing video player behavior, visual modifications, and player API usage across various environments;
πΉ Develop and maintain backend operational tools for debugging, monitoring, and platform support;
πΉ Participate in publisher onboarding β player setup, content API integrations (MRSS), and bulk operations;
πΉ Build and optimize content and ad targeting solutions using key/value targeting and custom HTML tags;
πΉ Investigate and resolve complex bugs in both frontend and backend systems;
πΉ Work on performance optimization and SEO improvements (Web Vitals, DevTools analysis);
πΉ Research, develop, and document new features and enhancements for long-term stability and scalability;
πΉ Contribute to monetization logic β implement new integrations, data research, and advanced backend fixes.Interview stages:
πΉ HR Interview;
πΉ Technical Interview;
πΉ Test Task;
πΉ Reference Check;
πΉ Offer.Why Join Us?
πΉ Be part of a friendly international team, working together on interesting global projects;
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πΉ Enjoy many chances to grow, learn from mentors, and work on projects that make a real difference;
πΉ Join a team that loves fresh ideas and supports creativity and new solutions;
πΉ Work closely with clients, building great communication skills and learning directly from their needs;
πΉ Thrive in a workplace that values your needs, offering flexibility and a good balance between work and life. -
Β· 107 views Β· 35 applications Β· 16d
Senior Backend Engineer (+LLM)
Full Remote Β· Worldwide Β· 6 years of experienceJob Title: Senior Backend Engineer (+LLM) Location: Remote (3+ hours/day overlap with EST) Type: Full-time About Comiq.ai Comiq.ai is an AI-native outreach platform helping investment teams build stronger capital relationships through smarter workflows....Job Title: Senior Backend Engineer (+LLM)
Location: Remote (3+ hours/day overlap with EST)
Type: Full-timeAbout Comiq.ai
Comiq.ai is an AI-native outreach platform helping investment teams build stronger capital relationships through smarter workflows. We combine structured web data, enrichment logic, and large language models (LLMs) to turn fragmented signals into context-aware, personalized outreach β replacing static CRMs and generic investor databases.We're a lean, fast-moving team backed by Infinium Ventures, building the next-generation infrastructure for intelligent relationship management in private capital markets.
The Role
Weβre looking for a Senior Backend Engineer (+LLM) to lead the systems that transform structured data into real-time insights. Youβll build APIs, manage enrichment workflows, integrate LLMs, and drive architecture across search, vector pipelines, and downstream data delivery.Youβll work closely with our Web Data Engineer, founders, and product team to build the core of a system designed to outperform every legacy tool in the market.
What Youβll Do
- Design and scale backend services using Python (FastAPI with asyncio)
- Build APIs to serve enriched and structured profile data to frontend and internal tools
- Integrate and optimize LLM workflows using LangChain, LlamaIndex, and HuggingFace models
- Develop retrieval-augmented generation (RAG) pipelines with ElasticSearch and vector databases such as Weaviate or Qdrant
- Normalize and process structured data from upstream parsing systems
- Tune batching, prompt logic, and model selection for performance and cost
Collaborate across the stack to ensure reliability, accuracy, and scalability
Tech Stack
- Backend: Python, FastAPI, Pydantic, Celery
- Data: PostgreSQL (hosted on Azure), Redis, ClickHouse, PeerDB
- LLM & AI: LangChain, LlamaIndex, HuggingFace models, deployed on GH200/H200 GPUs via Lambda Labs
- Search and Vector: ElasticSearch, Weaviate, Qdrant
- Data Ingestion Input: Structured output from Playwright and Unstructured.io (owned by a separate Web Data Engineer)
Deployment: Docker, GitHub Actions, Azure Blob Storage
What Weβre Looking For
- 6+ years of experience in backend or infrastructure engineering, ideally with AI/data platforms
- Strong Python fundamentals with experience building asynchronous APIs
- Real-world experience integrating and managing LLM workflows
- Familiarity with vector search, RAG pipelines, embeddings, and data modeling
- Ability to design and maintain scalable, schema-driven enrichment systems
Bonus if youβve worked with ClickHouse, PeerDB, or built high-volume enrichment pipelines
Why This Role Matters
Our product depends on transforming messy public and semi-structured data into crisp, contextual intelligence. Youβll build the core of that transformation β the enrichment engine that powers smarter targeting, better messaging, and high-trust investor engagement.If you're looking for ownership, speed, and the chance to build backend and AI infrastructure that powers a real-time, production-grade platform β weβd love to talk.
Apply now to help shape the infrastructure behind one of the most advanced AI-native engagement tools being built today.
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Β· 55 views Β· 13 applications Β· 16d
Full Stack PHP Developer (Laravel/Symfony + Vue/React)
Full Remote Β· Ukraine Β· 3 years of experience Β· Upper-IntermediateWe are looking for a skilled Full Stack PHP Developer to join our team. This role is ideal for someone who enjoys working both on backend and frontend, can manage tasks independently, and thrives in a structured yet fast-paced environment. ...We are looking for a skilled Full Stack PHP Developer to join our team. This role is ideal for someone who enjoys working both on backend and frontend, can manage tasks independently, and thrives in a structured yet fast-paced environment.
π§ Responsibilities:
- Develop and maintain web applications using PHP (Laravel or Symfony)
- Build and integrate frontend features using Vue.js or React
- Work with REST APIs and relational databases (MySQL)
- Optimize existing codebase and implement new features
- Collaborate with UX/UI designers, DevOps engineers, and business analysts
- Plan and manage your own tasks within Scrum/Kanban frameworks
- Participate in code reviews and contribute to architectural discussions
β Requirements:
- 3+ years of experience in PHP development (Laravel or Symfony)
- Solid experience with JavaScript (React or Vue.js)
- Strong understanding of REST APIs, MySQL, Docker, Git
- Familiarity with Jira, Trello or similar task management tools
- Ability to self-organize and prioritize effectively
- High level of responsibility, self-discipline, and resilience
- Experience in remote or hybrid environments is a plus
β¨ We Offer:
- Long-term collaboration on a structured and stable project
- Flexible schedule and remote work format
- Supportive, professional team and open communication culture
- Clear processes, modern technologies, and continuous improvement
π Recruitment Process:
- Recruiter Interview
- Technical Interview
- Interview with CEO
- Offer
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Β· 93 views Β· 47 applications Β· 16d
Senior Full-Stack (TypeScript/Node/React) Engineer
Full Remote Β· EU Β· 5 years of experience Β· Upper-IntermediateThe OVO Groupβs mission is to drive progress towards net zero carbon living. Weβre a collection of companies with a single vision: to power human progress with clean affordable energy for everyone. At OVO, we are on a mission to solve one of humanity's...The OVO Groupβs mission is to drive progress towards net zero carbon living. Weβre a collection of companies with a single vision: to power human progress with clean affordable energy for everyone. At OVO, we are on a mission to solve one of humanity's biggest challenges, the climate crisis. And we know it takes all of us to change the world. That's why we need diverse people from all gender identities, ethnicities, ages, sexual orientations, life experiences and backgrounds to join us.
Being an Engineer here at OVO means being at the forefront of building innovative solutions that drive the sustainable energy revolution. As a part of our talented team, you'll collaborate on cutting-edge initiatives, tackle complex challenges, and make a meaningful impact in creating a greener future. Join us and unleash your expertise to transform the energy industry and pave the way for a sustainable tomorrow.
Responsibilities:
- Development of new features and improvements
- Adopting and contributing to CI/CD pipeline and ways of working
- Delivering product value iteratively
- Ensuring best practices around observability and security
- Working closely with other developers to ensure knowledge sharing
- Designing and developing new platform functionality, from inception to deployment
- Building on top of and integrating the existing estate
- Helping to refine and deliver work items across our Agile delivery process
- Contributing to efficiencies and improvements in Ways of Working
- Designing, building, and maintaining efficient, reusable, and reliable code.
Sharing new ideas, techniques and methodologies.
Requirements:
- A minimum of 5 years of software development experience writing full-stack TypeScript/Node/React
- Experience writing automated tests
- CI/CD principles and pipelines
- Cloud engineering experience (GCP)
- Microservices /Serverless
- Infrastructure as code
- Event-driven architectures, RESTful interfaces and SQL databases
- Experience using TDD principles would be an advantage
- Experience in Data modelling/Database engineering would be a plus
- Experience with Kubernetes and Terraform would be a plus
- Upper-intermediate English
- Experience working in an Agile development process
Critical thinking and problem-solving skills
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
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Β· 132 views Β· 25 applications Β· 16d
Strong Junior Full-Stack Developer (Outstaff for Biotech Startup)
EU Β· 1 year of experience Β· Upper-IntermediateAbout Zade Zade is an IT company specializing in outsourcing and partnering with startups. We collaborate with innovative businesses at all stages of development, from early-stage ideas to successful project completion. Currently, we are looking for a...About Zade
Zade is an IT company specializing in outsourcing and partnering with startups. We collaborate with innovative businesses at all stages of development, from early-stage ideas to successful project completion. Currently, we are looking for a Junior+ Full-Stack Developer to join our team on an outstaff basis for an exciting biotech startup. If youβre eager to work with cutting-edge technologies and large-scale databases, this opportunity is for you!
What Weβre Looking For:
- 1+ year of experience working with Node.js.
- Strong expertise in React.js and TypeScript.
- Experience with GraphQL and third-party API integrations.
- Familiarity with AWS infrastructure and tools.
- Understanding of Git, GitFlow.
- Knowledge of CI/CD processes.
- Basic understanding of data structures and design patterns.
- Eagerness to stay updated on new technologies and improve development processes.
- Upper-Intermediate English level for effective communication with the team.
Nice to Have:
- Experience with Nest.js or other Node.js frameworks.
- Hands-on experience with AWS Services or Google Cloud.
- Skills in optimizing and managing large databases.
- Experience with Storybook.
- Knowledge of Jest/Vitest for unit testing.
- Familiarity with AWS Amplify Gen2 infrastructure.
Key Responsibilities:
- Developing, debugging, and testing web services and real-time applications (e.g., WebSockets, streaming data).
- Collaborating with the team to solve complex technical challenges.
- Estimating and planning tasks to ensure efficient execution.
- Direct communication with the client on technical aspects.
- Ensuring the timely delivery of high-quality code.
What We Offer:
- Budget for professional development and a structured mentoring program.
- Flexible working hours and a remote-friendly environment.
- Unlimited paid time off (vacation and sick days).
- Compensation for sports and medical expenses.
- Pet-friendly office in Lviv.
- Accounting services and tax compensation.
- Corporate events, gifts, and an IT Club loyalty program membership.
Interview Stages:
- HR Interview (30 min).
- Technical Interview with our Technical Expert (1 hour).
- Technical Interview with the Head of Engineering (1 hour, client side).
- Final Interview with the CEO (client side, introduction and project vision discussion).
- Job Offer.
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Β· 141 views Β· 89 applications Β· 16d
Senior Fullstack Engineer (React, Node.js)
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 5 years of experienceOur client company is a rapidly growing UK-based fintech building a next-generation international payments and FX platform. Regulated by the FCA as an Electronic Money Institution, they help businesses around the world pay and get paid in multiple...Our client company is a rapidly growing UK-based fintech building a next-generation international payments and FX platform. Regulated by the FCA as an Electronic Money Institution, they help businesses around the world pay and get paid in multiple currencies β simply, fast, and without borders.
As they scale their core R&D team, theyβre looking for a Senior Fullstack Engineer whoβs product-oriented, proactive, and thrives in an environment where engineering drives business impact. If you enjoy autonomy, smart teammates, and real ownership β this is a place where your work matters.
π§ What you'll be working on:
- Building and evolving core features across the platform using React, Node.js, PostgreSQL, and MongoDB
- Designing scalable APIs (REST, GraphQL) and robust backend architecture
- Shipping features end-to-end in collaboration with design, product, and ops
- Owning technical decisions in a modern cloud-native setup (AWS, Docker)
- Driving best practices, improving performance, and mentoring teammates
π Weβre looking for someone who:
- Has 5+ years of experience in fullstack role
- Writes clean, scalable code and cares about architecture as much as execution
- Is confident working with React, Node.js, and cloud environments (preferably AWS)
- Speaks English at B2+ level β youβll be collaborating with an international team
- Enjoys autonomy, thrives in a startup-style setup, and is comfortable making decisions
- Will be a plus fintech or payment-related experience
β¨ What makes this opportunity special:
- Youβll join a lean, senior team where decisions are fast and your voice matters
- Youβll work closely with product and business teams to deliver real customer value
- Youβll enjoy minimal meetings, async communication, and focus time
- Youβll use a modern, well-maintained stack: PostgreSQL, MongoDB, Node.js, React, GraphQL, Cypress, Jest, Docker, AWS
πΌ Contract & perks:
- Full-time B2B cooperation
- Paid vacation and sick leave
- Hybrid or remote setup β you can work from anywhere, or optionally join team hubs in Lisbon or Bucharest
- Transparent roadmap, supportive culture, and direct access to leadership
If you're looking for a role where you can build, own, and grow β this team is ready for you.
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Β· 99 views Β· 24 applications Β· 16d
JavaScript Full Stack Developer
Full Remote Β· Ukraine, Uzbekistan Β· 3.5 years of experience Β· IntermediateWe are looking for a highly qualified Software Developer with extensive experience working on projects of varying complexity and preferably with experience in HRMS/ERP systems. This is a Full Stack role, but we are also open to considering the Back-end...We are looking for a highly qualified Software Developer with extensive experience working on projects of varying complexity and preferably with experience in HRMS/ERP systems. This is a Full Stack role, but we are also open to considering the Back-end Software Developer who is ready to contribute to the Front-end part.
Requirements
- At least 3,5 years of commercial experience in Full Stack development using JavaScript
- Proven experience with Node.js, ReactJS, and TypeScript
- Solid experience working with REST APIs
- Experience with relational databases, particularly MySQL
- Experience with Docker
- Familiarity with document-based system such as Redis
- General understanding of CI/CD practices
- Experience working with Microsoft Azure Cloud
- Intermediate level of English
Would be a plus:
- Knowledge of Kubernetes
- Experience in process automation
- Understanding and modeling of business processes
- Familiarity with ERP systems
Previous experience working within Scrum or other Agile frameworks
Responsibilities
- Take part in the active development of an internal product
- Design and develop unit, integration, and automated end-to-end tests.
- Participate in project and team meetings, providing relevant contributions and information
- Report status and progress according to the project and company requirements
- Where applicable, contribute to build and deployment automation.
- Participate in estimation and planning sessions
- Contribute to the development of technical project documentation and user documentation
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Β· 61 views Β· 11 applications Β· 16d
Senior FS Engineer (Node.js and React.js)
Full Remote Β· Poland, Ukraine Β· 7 years of experience Β· Upper-IntermediateOpen to Ukrainian candidates in Ukraine and Poland β Fully Remote High Salary Role & Responsibilities: β’ Position: Senior Full-Stack Engineer (Backend-Focused) β’ Backend to Frontend Ratio: 80% backend, 20% frontend (most work done by backend) ...π Open to Ukrainian candidates in Ukraine and Poland
π§βπ» Fully Remote
π High Salary
Role & Responsibilities:
β’ Position: Senior Full-Stack Engineer (Backend-Focused)
β’ Backend to Frontend Ratio: 80% backend, 20% frontend (most work done by backend)
β’ Key Responsibilities:
β¦ Integration for payment solutions (Stripe, Salesforce)
β¦ High-scale system architecture, handling high traffic and large data volumes
β¦ Third-party integrations and billing system experience Technical Requirements:
β’ Primary Technologies:
β¦ Backend: Node.js, NestJS, TypeScript
β¦ Frontend: React + TypeScript
β¦ Database: PostgreSQL, MongoDB
β¦ Cloud & Infrastructure: AWS, scaling solutions
β¦ Messaging Queues: SQS, RabbitMQ, Kafka
β¦ APIs: GraphQL
β’ Experience Level:
Minimum 7 years
β’ Work Stability:
At least 3-4 years in one company
β’ Language Skills:
English at B2 level (must be very good)
Hiring Process:
1. Intro Call (30 min)
2. Technical Interviews (1h each)
a. Candidate presents high-level scaling and past experience (no code review) + online coding test
b. Whiteboard session covering architecture questions
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Β· 98 views Β· 40 applications Β· 16d
Full-Stack Developer
Full Remote Β· EU Β· 5 years of experience Β· Upper-IntermediateRequirements: - Experience with Front End frameworks such as React, Vue.js, or Angular (Preference for React and TypeScript) - Experience with ORMs and languages such as Go, TypeScript, Java, or Python (Preference for Go) - Solid understanding of...Requirements:
- Experience with Front End frameworks such as React, Vue.js, or Angular (Preference for React and TypeScript)
- Experience with ORMs and languages such as Go, TypeScript, Java, or Python (Preference for Go)
- Solid understanding of databases (SQL/PostgreSQL)
- Familiarity with cloud platforms (AWS, Azure, GCP).
- Proficiency in developing APIs, RESTful or GraphQL.
- Strong knowledge of version control systems (e.g., Git).
We offer:
β’ Attractive financial package
β’ Challenging projects
β’ Professional & career growth
β’ Great atmosphere in a friendly small team
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Β· 184 views Β· 57 applications Β· 16d
Full-Stack Engineer (MidβSenior Level, React, Next.js, PHP)
Full Remote Β· Worldwide Β· 5 years of experience Β· Upper-IntermediateWe're hiring a full-stack engineer to join a long-term project for one of the most recognized media brands in the United States, reaching millions of users. (Curious who? Just ask β weβll share during the interview.) Youβll be working closely with a...We're hiring a full-stack engineer to join a long-term project for one of the most recognized media brands in the United States, reaching millions of users. (Curious who? Just ask β weβll share during the interview.) Youβll be working closely with a small, committed team where variety and experimentation is encouraged and performance is non-negotiable. Every feature you touch will need to be fast, scalable, and thoughtfully designed.
What You'll Do
- Build and maintain scalable, performant features across both frontend and backend.
- Participate in code reviews and testing sessions with a sharp eye for quality.
- Help shape the architecture, brainstorm with the team of engineers and products; and contribute to documentation that makes sense to others.
- Be an embedded partner to the clientβs engineering team, participating in daily Agile rituals.
- Work shoulder to shoulder with developers, product managers, designers, QA, and DevOps.
What We're Looking For
You likely have your own internal standards β your own sense of what good engineering looks like β and youβre looking for a place where thatβs not only respected but expected.
- At least 5 years of experience as a professional software engineer.
- Youβve worked across cultures and time zones, and know how to make distributed collaboration work.
- Youβre confident in how you communicate and comfortable voicing your perspective.
- You learn fast, ask smart questions, and aren't afraid to step into new territory.
- You enjoy working with complex teams and systems.
- You own your decisions. You can explain them, adjust them, or stand by them.
- You donβt just take direction β you help shape it.
- Negotiation skills are helpful, but curiosity and clear thinking matter more.
- You take your growth seriously and want to be around others who do the same.
- You're not stuck in your lane. You understand how things connect and you move fluidly between disciplines when needed.
- You think at the system level, not just about your next ticket.
Technical Proficiency
We're looking for depth in some of these areas and familiarity with others:
- React, Next.js
- GraphQL, Apollo
- PHP, Node.js
- TypeScript
- AWS (especially DynamoDB and Lambda)
What We Offer
- Meaningful work with autonomy and room for impact
- A culture that encourages personal growth and professional evolution
- Access to coaching, internal development programs, therapy reimbursement, and English lessons
- Flexible hours and remote-first setup
- Commission incentives as the project scales
Why This Role Might Be Right for You
At Speed & Function, weβre building more than software. Weβre building a culture of conscious development β for our team, our clients, and the ecosystems we help shape. We aim to become a Deliberately Developmental Organization, where human growth is integrated with technical excellence. This is not just a place to code β itβs a place to contribute meaningfully to how software gets made and how people grow while making it.
About Us
Since 2006, Speed & Function has partnered with startups and enterprise clients to craft high-impact software. We donβt see ourselves as vendors β weβre collaborators, co-creators, and team members. Our goal is to redefine how software teams work together in the 21st century. We invest in both the craft and the culture of engineering.
How to Apply
If this speaks to you, send us a brief cover letter. Weβd love to hear:
- Why this opportunity feels like a fit for where youβre headed
- When youβre available to start
- Your hourly rate
- Your level of English fluency
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Β· 137 views Β· 32 applications Β· 15d
Senior Full Stack Engineer
Full Remote Β· Worldwide Β· 5 years of experienceAbout Comiq.ai Comiq.ai is an AI-native outreach platform helping investment teams build stronger capital relationships through smarter workflows. We turn fragmented web data into contextual, enriched insights β enabling GPs, IR professionals, and...About Comiq.ai
Comiq.ai is an AI-native outreach platform helping investment teams build stronger capital relationships through smarter workflows. We turn fragmented web data into contextual, enriched insights β enabling GPs, IR professionals, and dealmakers to run high-trust fundraising processes at scale.
We're backed by Infinium Ventures and operate as a lean, fast-moving team. Our mission: build the AI infrastructure that replaces outdated databases and generic CRMs with intelligent, real-time investor engagement.
The Role
Weβre looking for a Senior Full Stack Engineer with strong backend experience and hands-on LLM knowledge. Youβll lead development across core systems that process, enrich, and expose investor-facing insights β working closely with founders, our Web Data Engineer, and product design.
This role is ideal for someone who thrives in fast environments, understands both systems architecture and user value, and is excited about the intersection of structured data, AI, and applied workflow design.
What Youβll Do
- Build and scale backend services in Python (FastAPI + asyncio)
- Own data pipelines that process structured inputs into enriched, insight-ready profiles
- Integrate LLMs using LangChain, LlamaIndex, and HuggingFace for summarization and signal extraction
- Develop retrieval-augmented generation (RAG) pipelines using ElasticSearch and vector DBs
- Implement and maintain frontend components (React preferred) to expose enriched data and insights
Work cross-functionally with data, product, and AI teams to deliver fast, intelligent tooling
Tech Stack
- Backend: Python, FastAPI, Pydantic, Celery
- Frontend: TypeScript, React (or similar modern JS framework)
- Data: PostgreSQL (Azure), Redis, ClickHouse, PeerDB
- LLMs & AI: LangChain, LlamaIndex, HuggingFace, GH200/H200 GPUs via Lambda Labs
- Search & RAG: ElasticSearch, Weaviate, Qdrant
- Input Layer: Structured data via Playwright, Unstructured.io (maintained by another engineer)
Deployment: Docker, GitHub Actions, Azure Blob Storage
What Weβre Looking For
- 6+ years of experience as a full stack or backend-focused engineer
- Strong backend fundamentals in Python and async service architecture
- Hands-on experience building or integrating LLM workflows (e.g. summarization, RAG, embedding search)
- Comfort working with vector databases, structured pipelines, and semantic data
- Experience building and shipping frontend components or internal tools (React preferred)
Bonus: experience with ClickHouse, PeerDB, or other enrichment-focused systems
Why This Role Matters
We're building infrastructure that transforms messy data into smart action β and that starts with you. From clean backend APIs to fast UI tooling and real-time AI enrichment, youβll own systems that help capital allocators engage better, faster, and more intelligently.
Apply now to lead full stack development on one of the most ambitious AI-powered outreach platforms in the market.
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Β· 97 views Β· 6 applications Β· 15d
Senior Full Stack developer (React Native + Node.js)
Full Remote Β· Ukraine Β· 5 years of experience Β· Upper-IntermediateWe are a fast-moving, remote-first team building cutting-edge AI-powered experiences across web, desktop, and mobile platforms. From text-to-speech and real-time voice changers to APIs and experimental AI tools, we quickly and creatively turn bold ideas...We are a fast-moving, remote-first team building cutting-edge AI-powered experiences across web, desktop, and mobile platforms. From text-to-speech and real-time voice changers to APIs and experimental AI tools, we quickly and creatively turn bold ideas into real products.
Weβre seeking a Full Stack Engineer who thrives in a builderβs environment. If you enjoy rapid iteration, working across the stack, and bringing innovative features to life, this role is for you.
Responsibilities:
- Build and improve mobile and web applications
- Contribute to experimental features and AI-powered MVPs
- Collaborate closely with a small, focused team to ship fast and iterate quickly
Requirements
- 5+ years of experience with JavaScript
- 4+ years of experience with React Native
- 2 years of experience with Node.js
- Π2+ of English level
More
Please let us know if youβre interested in this opportunity, and weβll be happy to provide more details. We look forward to hearing from you! -
Β· 46 views Β· 22 applications Β· 15d
Full Stack Developer (PHP, ReactJS, Node.js)
Full Remote Β· Azerbaijan, Georgia, Moldova, Romania, Turkey Β· 4 years of experience Β· Upper-IntermediateAbout ELITEX: ELITEX is a Software Development company, founded in 2015, with the core expertise & focus on JavaScript, DevOps, and Staff Augmentation services. Our company has devoted teams of professionals with strong technical expertise and mentoring...About ELITEX:
ELITEX is a Software Development company, founded in 2015, with the core expertise & focus on JavaScript, DevOps, and Staff Augmentation services.
Our company has devoted teams of professionals with strong technical expertise and mentoring backgrounds, providing a full cycle of software development.
At ELITEX, every employee's voice matters, processes are smooth and deprived from useless bureaucracy, and working conditions are great. Apply for a job and check it for yourself!
About the Project:
Our client is a leading software and consultancy firm based in DΓΌsseldorf, renowned for delivering highly specialized, complex software solutions. Since its inception in 2005, they have utilized a systems engineering approach to guide clients through the development and evolution of robust, cross-platform systems.
With a diverse team of software architects, UI/UX experts, developers, strategy consultants, project managers, and analysts, they leverage deep technological expertise to craft holistic digital solutions. Their collaborative process ensures practical and impactful outcomes, empowering clients across a wide range of industries, including tourism, media, consumer goods, chemicals, and pharmaceuticals.Responsibilities:
- Develop modern, responsive frontend applications using ReactJS, Next.js, and TypeScript.
- Design and implement APIs with a strong focus on GraphQL to enhance application performance and scalability.
- Build innovative backend applications leveraging Node.js and PHP Symfony for optimal system functionality.
- Collaborate with project management, design, and development teams to design and implement new features for complex software solutions.
- Write and maintain comprehensive automated test suites to ensure high-quality code and smooth development processes.
- Actively contribute to continuous improvement initiatives to enhance development practices and product quality.
Requirements:
- Strong expertise in modern JavaScript (ES6 and above) and/or TypeScript.
- Proven experience with Next.js, demonstrating the ability to create fast, scalable web applications.
- In-depth knowledge of frontend frameworks and libraries, particularly ReactJS.
- Proficient in modern PHP (v8 and above) and experienced with PHP frameworks like Symfony and/or Laravel.
- Solid understanding of relational databases and best practices for database management.
- Strong grasp of both RESTful and GraphQL web services.
- Competence in performance optimization to improve application speed and efficiency.
- A basic understanding of HTML and CSS to support full-stack development.
- Experience working in an agile development environment, collaborating effectively within a team.
- Hands-on experience with automated software testing tools and frameworks to ensure reliable software delivery.
- Familiarity with API security practices to safeguard applications.
- Fluency in English for clear communication in a collaborative, international team environment.
Nice to Have:
- Experience with containerization technologies like Docker to simplify deployment and scalability.
- Knowledge of container orchestration tools such as Kubernetes, OpenShift, or Docker Swarm.
- Understanding of the twelve-factor methodology to design scalable and maintainable software.
- Familiarity with continuous integration tools like Bitbucket or Jenkins.
- Experience with Object-relational mapping (ORM), such as Doctrine in PHP.
- Exposure to headless CMS platforms like Strapi.
- Experience with PostgreSQL for managing relational databases.
- Familiarity with Apollo Federation for managing GraphQL microservices.
- Experience integrating analytics tools such as GA4, GTM, Amplitude, and/or Matomo.
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Middle/Senior Full-stack JavaScript Developer
Full Remote Β· EU Β· Product Β· 4 years of experience Β· IntermediateWe are looking for MUST! Spoken Intermediate (B1-B2) English (you will work with clients from all over the world) 4+ years of experience. Hard skills: β’ In-depth understanding of Node JS, Vue JS, Express β’ Experience and understanding of β HTML/CSS β...We are looking for
- MUST! Spoken Intermediate (B1-B2) English (you will work with clients from all over the world)
4+ years of experience.
Hard skills:
β’ In-depth understanding of Node JS, Vue JS,
Express
β’ Experience and understanding of
β HTML/CSS
β vanilla JS and TypeScript
β Mongo DB, PostgreSQK/MySQL
β Mongoose
β Vuetify.
Soft skills:
- from average to strong communication skills;
- analytical skills and troubleshooting;
- scrutiny and curiosity;
- high level of autonomy and ability to self-organize;
- the will and ability to familiarise oneself with new and complex topics/tasks.
Duties & responsibilities
Front-end Development:
- Develop and maintain user-friendly web interfaces for the companyβs products and outsourced projects.
- Ensure responsive design and cross-browser compatibility.
- Implement interactive and dynamic user interfaces using JavaScript frameworks like Vue.
Back-end Development:
- Design, develop, and maintain server-side applications and APls.
- Implement and optimize server infrastructure using Node.js or other server-side JavaScript technologies.
- Manage databases and data storage, ensuring data integrity and security.
Full-stack Proficiency:
- Possess strong expertise in both front-end and back-end technologies, enabling seamless integration between the two.
- Collaborate with the development team to create a cohesive and efficient development process.
Product Development:
- Contribute to the architecture and design of the companyβs own products, offering technical insights and suggestions.
- Participate in feature development, debugging, and testing for in-house products.
Outsourced Project Development:
- Work on outsourced projects, understanding client requirements, and delivering solutions on time and within budget.
Version Control and Code Management:
- Use version control systems like Git to manage code repositories.
- Collaborate with the development team to ensure code quality and best practices.
Testing and Quality Assurance:
- Write unit tests and conduct thorough testing to ensure the stability and reliability of the applications.
- Identify and fix bugs and issues as they arise.
- Optimize the performance of applications, both on the front-end and back-end, to ensure efficient operation and responsiveness.
- Implement security best practices to safeguard applications and data against potential threats and vulnerabilities. Keep up to date with security standards and apply them as needed.
- Maintain clear and comprehensive documentation for code, APls, and system architecture. Ensure that team members and clients have access to relevant documentation.
- Stay updated with the latest trends and best practices in full-stack JavaScript development.
- Troubleshoot and resolve technical issues quickly and efficiently, whether they are related to front-end or back-end components.
- Maintain clear and professional communication with clients (if need be), ensuring their needs and expectations are met.
- Assist in project estimation and planning, providing input on technical requirements and timelines.
We offer
- Opportunity to work with professionals in the international IT and Identity Management industry;
- good income in line with the industry standards;
- an open-minded, friendly, international team in an IT company that does business all over the world;
- international network;
- opportunities for growth;
- an open ear for ideas/suggestions how to improve work processes;
- remote working and result-oriented attitude, no boring 9-5 job;
- vacation β 24 days a year, paid sick leave.