Jobs Backend

About Revenue Grid

Revenue Grid is a B2B SaaS Revenue Intelligence platform helping sales teams across the US eliminate revenue leaks and make better, data-driven decisions.

We are actively growing our Applied AI & Generative AI direction — a focused engineering team working on real, production-level AI features embedded directly into the product, not experimental demos.

Our goal is to turn LLM capabilities into reliable, scalable tools that solve concrete business problems for sales teams.

What You’ll Do

• Design and implement AI-powered features using Large Language Models (LLMs)
• Build and evolve RAG pipelines, agent-based workflows, and multi-step reasoning systems
• Work hands-on with LangChain and/or LangGraph
• Develop PoCs and MVPs and take them to production-ready solutions
• Integrate AI services with existing backend systems and data sources
• Collaborate closely with product, backend, and data teams
• Continuously experiment with new tools, frameworks, and techniques in applied AI

What You Bring

• Strong Python skills and solid software engineering fundamentals
• Practical experience with prompt engineering
• Hands-on experience with LangChain and/or LangGraph
• Good understanding of LLMs, embeddings, vector databases, and RAG architectures
• Experience working with LLM APIs (OpenAI, Anthropic, Azure OpenAI, etc.)
• Ability to design reliable AI workflows rather than just calling an API
• Product-oriented mindset and ownership mentality

Nice to Have

• Experience with FastAPI
• MLOps or LLM evaluation and monitoring
• Experience with Kafka or data streaming
• Cloud platforms (AWS, GCP, Azure)
• Background in SaaS / B2B products

Why Revenue Grid

• Remote-first setup with flexible working hours
• Real ownership and autonomy — no micromanagement
• Applied AI in production, not just research
• Unlimited vacation policy
• Medical insurance after the trial period
• Strong product culture and experienced engineering team
• Opportunity to grow into AI Architect or Technical Lead roles

Ready to build real AI features used by thousands of sales professionals? 
We’d love to meet you — apply now.

Our Mission and Vision

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.
 

About the Team and Role

You’ll join the Billing team and take ownership of the Taxes module — a core part of our billing system responsible for tax calculation and reporting across multiple locations.

The product has already moved beyond MVP and is actively used by customers. The foundational logic is in place, demand is high, and the next step is scaling functionality and reliability.

This role is exciting because you’re not maintaining legacy code — you’re building and shaping a critical system almost from scratch.
You will have a clear path to Lead: full ownership of the Taxes direction, architectural decisions, and growing a team around it.

Your team — Product Owner, 1 Senior Engineer, Automation QA, and Tax Manager.

Explore our technology stack ➡️ https://solidgate-tech.github.io/
 

What you’ll own

Your focus will be on:

• building tax calculation and reporting logic
• integrating third-party tax providers
• improving system resilience and uptime
• making architectural decisions and setting technical direction
• mentoring engineers as the team grows

In the first months, you’ll deliver key tax functionality and lay a solid foundation for future product and team growth.

We rely on automated testing over manual QA — unit, integration, functional, and e2e tests are a core part of how we ship and scale safely.
 

You’re a great fit if you have

• 4+ years of backend engineering experience
• 1.5+ years of commercial Go development
• Strong understanding of high-load system design
• Solid experience with PostgreSQL
• Experience with queues or streams
• Strong testing culture: unit, integration, functional, e2e
• Proactive, independent, result-oriented mindset

Nice to have

• Kafka
• AWS services
• CI/CD pipelines
• Fintech / payments / financial domain experience
• Understanding of VAT, GST, Sales Tax
   

Why Solidgate?

High-impact role. You’re not inheriting a perfect system — you’re building one.

Great product. We’ve built a fintech powerhouse that scales fast. Solidgate isn’t just an orchestration player — it’s the financial infrastructure for modern Internet businesses. From subscriptions to chargeback management, fraud prevention, and indirect tax — we’ve got it covered. We hold financial licenses in key regions and are a direct Visa & Mastercard partner and sub-reseller (top 5 globally).

Massive growth opportunity. Solidgate is scaling rapidly — this role will be a career-defining move.

Top-tier tech team. Work alongside our driving force — a proven, results-driven engineering team that delivers. We’re also early adopters of cutting-edge fraud and chargeback prevention technologies from the Schemes.

Modern engineering culture. TBDs, code reviews, solid testing practices, metrics, alerts, and fully automated CI/CD.
 

💌 The Extras: 30+ days off, unlimited sick leave, free office meals, health coverage, and Apple gear to keep you productive. Courses, conferences, sports and wellness benefits — all designed for ideas, focus, and fun.
 

Tomorrow’s fintech needs your mindset. Come build it with us.

Ever wanted to grow as an engineer on a real product - not pet projects or short-term tasks, but a system that real businesses rely on every day?
Where you don’t just “code features”, but gradually learn how large, mission-critical systems are built, maintained, and modernized?
Where you can gain hands-on experience with legacy systems and be part of a long-term transition to modern .NET architecture?

If you’re a Junior/Middle- level C# developer with around 2 years of experience and curiosity about real-world systems - this role is a great growth opportunity.
 

At AlphaDevs

We don’t just build remote teams - we build long-term engineering partnerships.
We work with product companies that value stability, quality, and sustainable technical evolution - not quick fixes.

This role is part of a long-term product engagement focused on maintaining and gradually modernizing a large ERP platform used in real business operations.

We are committed to supporting Ukraine 🇺🇦 and are hiring Ukrainian engineers only for this role.
No strong English is required — most of the team is Ukrainian, and daily communication happens in Ukrainian.
 

About the Product

You will work on a large, mature ERP system that:

• Has been developed and evolved over many years
• Contains complex business logic, data flows, and integrations
• Is mission-critical for daily operations
• Is planned for gradual migration from Delphi to modern .NET (C#) architecture

This is not a greenfield project - it’s real engineering on a real system with real impact.
 

The Role

We’re looking for a Junior C# Developer who will:

• Work on maintaining and extending parts of an existing ERP system
• Learn to understand a legacy Delphi codebase with the support of senior engineers
• Gradually participate in the migration from Delphi to C# / .NET
• Grow technical confidence while working on a long-living product

This is a long-term role with a clear growth path in skills, responsibility, and compensation.
 

What You’ll Do

• Develop new functionality for ERP products under guidance of senior engineers
• Maintain and improve existing code (Delphi and C# parts)
• Participate in the gradual migration from Delphi to .NET (C#)
• Work with MSSQL databases and business data models
• Write clear code and basic technical documentation
• Collaborate closely with a Ukrainian engineering team
   

What You Bring

• 2+ years of commercial experience with C# / .NET
• Basic understanding of OOP and software design principles
• Basic knowledge of Delphi or strong motivation to learn it
• Experience working with SQL databases (MSSQL is a plus)
• Willingness to work with legacy code and learn complex business logic
• Responsibility, curiosity, and desire to grow as an engineer
   

Nice to Have

• Experience with ERP, CRM, or other business systems
• Understanding of MVC or layered architecture
• Any experience with system modernization or refactoring
   

What You Get

• Long-Term Stability: Work on a product designed for years of development
• Strong Learning Curve: Mentorship from senior engineers and real-world system experience
• Real Product Impact: Your work affects real business operations
• Modernization Journey: Be part of the transition from legacy Delphi to modern .NET
• Growth Path: Clear technical growth and salary progression
• Ukrainian Team: комфортна комунікація українською мовою
• Meaningful Work: Build systems that actually run companies, not just demos
   

Ready to grow on a real system that matters?
If you want to develop as a C# engineer, learn how large ERP systems work, and participate in real modernization - join AlphaDevs and become part of a long-term product journey.

👉 Apply now and grow your engineering career on real-world systems.

Location: remotely from  Latvia, Lithuania, lower priority - Spain/Portugal/Romania/Slovakia/Hungary/Czech Republic!!!
Start Date: 1 March

Duration: Until end of September 2026 (option to extend)

Allocation: Full-time

Role Overview

We are seeking a mid-level Backend Developer to work on the Sage Earth platform, contributing to backend services supporting data, AI, and ingestion capabilities.

Kotlin experience is preferred but not mandatory — strong Java developers willing to learn Kotlin are encouraged to apply.

Key Responsibilities

• Develop and maintain backend services using Java (JVM-based stack)
• Work with PostgreSQL databases and support data persistence needs
• Collaborate with Tech Lead, Principal Engineer, and other developers
• Write clean, maintainable, and well-tested code
• Participate in code reviews and technical discussions
• Support integration with data ingestion and AI components

Required Skills & Experience

• Solid experience with Java (JVM) backend development
• Experience working with PostgreSQL
• Understanding of RESTful APIs and backend service design
• Experience working in agile development teams
• Willingness and ability to learn Kotlin

Nice to Have

• Prior Kotlin exposure
• Experience with cloud platforms
• Familiarity with data-heavy or analytics-driven systems

Project description

Our client is a large international enterprise operating at scale in the industrial and manufacturing domain, developing and maintaining a modern cloud-based Core platform.
The project focuses on building a new Azure-based cloud solution that supports critical business processes across multiple regions.
The role involves working as part of a Scrum team on designing, developing, and maintaining high-quality, scalable, and maintainable software solutions in Azure, in close collaboration with developers, UX analysts, and other stakeholders.

Responsibilities

Work together with other Scrum team members on a new cloud solution for the client's Core platform

Participate in Scrum planning sessions by analyzing the work to be done

Implement new functionality or refactor existing code based on detailed specifications and mock-ups

Closely collaborate with other development team members and UX analysts

Create technical designs and define the required Azure architecture

Support technical decision-making, balancing cost, scalability, and maintainability

Write unit tests for newly developed functionality

Participate in performing code reviews

Report work progress on a daily basis

Focus on bug fixing when needed

Skills

Must have

Master's degree in Software Engineering or equivalent experience

At least 6 years of proven expertise in designing and developing high-quality software solutions, with a strong emphasis on maintainability and scalability

Solid knowledge of Azure Functions, Azure architecture, and containerization

Experience with Azure DevOps is considered a plus

Proficient in relevant languages and frameworks, including C#, .NET, SQL, HTML, and related technologies

Extensive experience in designing and implementing RESTful web services and APIs

Strong analytical mindset with the ability to collaborate and contribute to solution design

Capable of working independently while knowing when to escalate or discuss challenges and issues

Fluent in English, both spoken and written

Nice to have

Azure DevOps

Languages

English: C1 Advanced

It is a high-growth SaaS company selling IT Service Management, a space that is being propelled into high growth as businesses worldwide accelerate their digital transformation and start to adopt new workstyles for their employees.

We have over 4,000 customers in 140 countries. We are deployed in 42 different languages and used daily by over 100,000 system administrators. Our software impacts the daily working lives of over 9 million end users.

We’re looking for a Senior Developer to join our mission. If you’re passionate about building impactful products, love working with cutting-edge AI technologies, and want to help push the boundaries of what’s possible.
 

Responsibilities:

• Lead the development and maintenance of a high-quality software product.
• Design and implement effective APIs and algorithms to support AI-driven features.
• Collaborate with AI, machine learning, and data science teams to push technological boundaries.
• Mentor and guide developers, fostering growth and knowledge sharing
• Work closely with product and design teams to deliver impactful solutions
• Participate actively in agile workflows, ensuring rapid and reliable delivery

What We’re Looking For:

• 5+ years of hands-on experience in backend development with Node.js, JavaScript, and TypeScript
• Strong expertise with SQL databases, especially MySQL
• Familiarity with AI, machine learning, data science, or full-stack development is a plus
• Excellent problem-solving skills and ability to thrive in a dynamic, AI-centric environment
• Strong communication skills and a collaborative mindset
• Experience working in agile, fast-paced teams

• Freely Spoken English

   

What we offer:

• paid vacation; 
• paid sick leaves;
• public holidays;
• equipment

We’re collaborating with a leading company in financial crime prevention and fraud detection. Their platform empowers businesses to assess risk in real time, processing millions of data points per second to detect and prevent fraudulent activity on a global scale.

Currently, we are in the migration phase, modernizing the API infrastructure to ensure seamless compatibility between legacy and new systems. After this phase, we’ll move into platform enhancement, focusing on performance optimization, feature expansion, and system scalability.
 

You’ll join a highly skilled team working on real-world challenges with high-load systems, modern cloud-native solutions, and advanced communication protocols. This is an excellent opportunity for someone eager to grow fast and gain hands-on experience with cutting-edge technologies in a demanding but rewarding environment.
 

Project Highlights:

• Current focus: Migration and modernization of legacy API infrastructure.
• Next phase: Platform enhancement, scalability improvements, and feature development.
• Load profile: High throughput, real-time fraud detection.
• Team: Back-End, Front-end Developers, Solution Architect, Project Manager.
• Methodology: Agile (Scrum)/Kanban, 1-week sprints, daily stand-ups, regular demos.
• Tooling: Slack, Jira, Google Meet.
   

What You’ll Do:

• Take ownership of the backend domain, driving technical vision and architecture decisions.
• Design and implement scalable, cloud-native Kotlin-based microservices.
• Collaborate with Solution Architect on system design and long-term scalability strategies.
• Partner with stakeholders and product owners to align priorities, plan roadmaps, and deliver business value.
• Lead full-cycle delivery of fixed-price projects from kickoff to final delivery.
   

What We’re Looking For:

• Strong expertise with Kotlin and Spring Boot in production environments.
• Deep knowledge of microservices architecture, API development, and cloud platforms.
• Advanced understanding of Kafka (including Kafka Connect), gRPC, and Protobuf for real-time, high-throughput systems.
• Experience optimizing data layers with PostgreSQL, Yugabyte, and jOOQ.
• Hands-on experience with Kubernetes, AWS, GCP, and containerized environments.
• Strong architectural mindset with ability to balance technical depth and business needs.
• Excellent communication and stakeholder management skills.
• Passion for mentoring and developing engineering talent.
   

Why Join FreySoft?

🌍 International team within the EU time zone, flexible schedules.

🚀 Cutting-edge technologies and high-load, real-world challenges.

🎯 Growth-focused culture — grow into leadership, own features, or mentor juniors.

💡 Innovative environment — leverage AI/LLM tools to boost development speed and quality.

💰 Competitive compensation based on experience and skills.

🤝 Collaborative and professional team that values initiative, autonomy, and continuous learning.
 

At FreySoft, we believe in empowering developers to drive innovation and grow through real impact. If you’re passionate about backend development, love solving complex problems, and want to work with some of the most modern tools in the industry — let’s talk.

Gamzix company, a dynamic player in the iGaming industry:

• Was founded in March 2020 with a vision to redefine the world of online slot games
• Has already successfully produced 60 slot games
• The team has grown to over 120 skilled professionals, and we continue to grow
• Our main hub is in Warsaw — right in the heart of Europe
• With a strong focus on quality and compliance, we hold the prestigious MGA B2B Critical Supply License and certifications from industry leaders iTechLabs and GLI, ensuring the highest standards

Hey there! 👋

The Gamzix team is growing, and we’re looking for a Backend Engineer (Node.js) to help us design, build, and maintain reliable backend solutions that power our slot games and internal systems.

If you enjoy working with scalable architectures, APIs, and modern backend technologies — we’d love to meet you!

Responsibilities:

• Architect, design, and maintain backend solutions across multiple projects
• Develop and improve APIs, ensuring data integrity, security, and performance
• Collaborate closely with DevOps to improve infrastructure: CI/CD, monitoring, logging, and system reliability
• Conduct code reviews and promote best practices for clean, maintainable, and scalable code
• Investigate business needs and propose technical solutions
• Proactively handle system incidents and ensure uninterrupted service operation

Requirements:

• 2+ years of overall software development experience
• Strong hands-on experience with Node.js and TypeScript
• Practical experience with NestJS
• Solid knowledge of PostgreSQL
• Experience working with Redis
• Experience using RabbitMQ or other message brokers
• Understanding of backend architecture, asynchronous processing, and system reliability

What we offer:

• Market-level salary in the IT/Gaming industry
• Relocation support to Warsaw
• Referral bonus — bring in awesome people and get rewarded
• Home-Office coverage
• 7-hour working day: 10:00–18:00 (including lunch break)
• Hybrid model in Warsaw; full remote — for other locations
• Paid Sick Leave: up to 10 working days per year
• Paid Time Off: 18 vacation days, 10 days off, paid state holidays
• Corporate benefits: medical coverage, sports compensation, psychological services compensation
• Professional Development Support: reimbursement for external courses, training & certifications
• Corporate English classes (Business or General) — flexible timing
• Buddy Program
• Internal Gamzix Store (earn coins & exchange for branded gifts)
• Corporate team building and activities
• Open and transparent communication — accessible C-levels, quick decision-making, friendly and supportive atmosphere

Our people are passionate professionals who truly enjoy what they do. At Gamzix, your ideas matter, teamwork drives results, and everyone keeps up with the fast-paced rhythm of the iGaming industry.

Gamzix company, a dynamic player in the iGaming industry:

• Was founded in March 2020 with a vision to redefine the world of online slot games
• Has already successfully produced 60 slot games
• The team has grown to over 120 skilled professionals, and we continue to grow
• Our main hub is in Warsaw — right in the heart of Europe
• With a strong focus on quality and compliance, we hold the prestigious MGA B2B
• Critical Supply License and certifications from industry leaders iTechLabs and GLI, ensuring the highest standards

Hey there! 👋

The Gamzix team is growing, and we’re looking for a Junior Backend Engineer (Node.js) who is eager to grow, learn modern backend technologies, and contribute to the development of our slot games and internal systems under the guidance of experienced teammates.

If you’re passionate about backend development, want to work with real production systems, and grow within a strong engineering team — we’d love to meet you!

Responsibilities:

• Participate in the development and support of backend services under the guidance of senior engineers
• Assist in building and maintaining APIs
• Work with databases and backend logic (queries, data handling)
• Collaborate with the team on bug fixes, improvements, and new features
• Follow best practices for clean, readable, and maintainable code
• Learn and apply backend architecture principles, asynchronous processing, and system reliability concepts

Requirements:

• 1+ year of commercial or strong pet-project experience in backend development
• Basic to solid knowledge of Node.js and TypeScript
• Familiarity with NestJS (commercial or learning projects)
• Understanding of relational databases (PostgreSQL or similar)
• Basic experience or theoretical knowledge of Redis and message brokers (RabbitMQ or аналог)
• Understanding of REST APIs and backend fundamentals
• Willingness to learn, ask questions, and grow professionally

What we offer:

• Market-level salary in the IT/Gaming industry
• Relocation support to Warsaw
• Referral bonus — bring in awesome people and get rewarded
• Home-Office coverage
• 7-hour working day: 10:00–18:00 (including lunch break)
• Hybrid model in Warsaw; full remote — for other locations
• Paid Sick Leave: up to 10 working days per year
• Paid Time Off: 18 vacation days, 10 days off, paid state holidays
• Corporate benefits: medical coverage, sports compensation, psychological services compensation
• Professional Development Support: reimbursement for external courses, training & certifications
• Corporate English classes (Business or General) — flexible timing
• Buddy Program
• Internal Gamzix Store (earn coins & exchange for branded gifts)
• Corporate team building and activities
• Open and transparent communication — accessible C-levels, quick decision-making, friendly and supportive atmosphere

Our people are passionate professionals who truly enjoy what they do. At Gamzix, your ideas matter, teamwork drives results, and everyone keeps up with the fast-paced rhythm of the iGaming industry.

Please note: feedback on your application will be provided within two weeks if a positive decision is made regarding your candidacy.

I give my consent in accordance with the Law on the Protection of Personal Data dated June 1, 2010, No. 2297, effective from January 1, 2011, for the processing of personal data.

🚀AIMPROSOFT - Senior Backend Shopify Developer Opportunity! 

Aimprosoft, a fast-growing IT company, is looking for a Senior Backend Shopify Developer on a contract basis ( ≈6 months with a strong likelihood of extension depending on project progress and business needs) to join an enterprise-scale e-commerce transformation project for a large European retailer. 

 
The project involves migration from SAP Hybris to a headless Shopify Plus architecture, where Shopify acts as the commerce engine integrated with Java-based microservices and a Next.js storefront. This is not a classic theme-based Shopify role. The focus is on API-first, headless, enterprise integrations. 

🎯About the role: 

Key responsibilities: 

• Develop and maintain Shopify Plus solutions in a headless commerce setup 
• Integrate Shopify with APIs and event-driven patterns 
• Work with Storefront API (GraphQL) and Admin API 
• Implement and maintain Shopify Webhooks for orders, inventory, customers, and fulfillment 
• Develop Shopify Functions and Checkout Extensions 
• Collaborate closely with backend and frontend teams 
• Ensure scalability, performance, and reliability for high-traffic e-commerce scenarios 
• Participate in architecture discussions and technical decision-making 

🔥What We Need From You: 

• 5+ years of professional experience in software development (4 years of professional experience with Shopify Plus) 
• English: Upper-Intermediate (B2) or higher for communication with international teams 
• Deep knowledge of  Storefront API , Admin API , Webhooks, Shopify Functions 
• Experience integrating Shopify with external systems (ERP, OMS, PIM) 
• Solid understanding of headless commerce architectures 
• Confident working in cross-functional, distributed teams 

📌Nice to have: 

• Experience with Hydrogen (Remix) 
• Experience with Checkout UI Extensions 
• Experience with Hybris 
• Knowledge of Liquid (for limited theme adjustments) 
• Shopify Flow automation 
• Experience with high-load / peak traffic events (e.g. Black Friday) 
• Previous experience migrating from SAP Hybris or similar enterprise platforms 
• Experience with Node.js and Shopify SDKs 

💼What We Offer: 

• Official military deferment (reservation) 
• A competitive salary that appreciates your skills and experience 
• Cozy atmosphere and modern approaches. We have neither bureaucracy nor strict management nor “working under pressure” conditions 
• Opportunity to implement your ideas, tools, and approaches. We are open to changes and suggestions aimed at improvement 
• Work on a strategic, large-scale international project with high visibility. 
• Remote-friendly culture with strong team collaboration. 

Hey there! 👋

We're looking for an expert full-stack React/Node.js engineer with experience in building AI tools to join our growing team! We're working on a product that has already made an impact in a major U.S. industry and has gained traction with several Fortune 500 companies. We're a small yet powerful team, but considering recent growth - expect plenty of opportunities of growth and a chance to tackle interesting engineering challenges!

What skills we expect you to have: 🎯

• English: Advanced (B2+)
• B.Sc. in Computer Science or similar;
• Excellent communication, collaboration, problem-solving, and analytical skills;
• 5+ years of writing commercial React.js and Node.js apps;
• Extensive experience with SQL-based databases;
• Extensive experience with Amazon Web Services;
• Understanding of LLMs and their application to building web applications;

What would be a huge plus: ✨

• English: C1
• Background in building your own side projects (please share links);
• Experience of leading engineering teams or initiatives at your previous company;
• Experience in building CI/CD pipelines;
• You have experience building AI apps (LangChain / LlamaIndex) and with MLOps;

What’s in it for you: 🌴

Professional Growth & Lifestyle:

- Remote work and flexible working hours (our team is 100% remote);

- Opportunity to join an international team of a fast-scaling startup;

- Leadership initiatives;

Benefits:

- Annual vacation: 20 business days (100% compensation)

- Annual sick leave: 10 business days (100% compensation)

- Competitive compensation.

Please, feel free to reach out should you have any questions!

Best regards,

Universium Team ❤️

If you are reading this description, this is a great opportunity to start your career in software development.

We are looking for a Junior PHP Developer who is eager to learn new technologies, grow within a team, and is not afraid of interesting challenges.

In this role, you will work on real, practical tasks, become part of an experienced team, quickly improve your hard skills, and build a strong foundation for career growth.

What You Will Do

• Assisting senior developers in coding and testing PHP applications.
• Learning and implementing best practices in PHP development.
• Collaborating with team members to achieve project goals.
• Troubleshooting and resolving issues in PHP code.
• Participating in code reviews and making improvements based on feedback.
• Contributing to documentation and knowledge sharing within the team.
• Assisting in the integration of third-party APIs and services.
• Testing and optimizing application performance.
• Implement UI for the admin panel.
• Participating in brainstorming sessions for innovative feature development.
  
  What We Are Looking For
• Basic knowledge of PHP and understanding of web development principles.
• Understanding of HTML, CSS, and JavaScript fundamentals.
• Willingness to learn Symfony and apply best practices in development.
• Basic understanding of working with databases (MySQL / PostgreSQL)
• Basic experience with Git.
• Ability to work in a team and openness to feedback.
• Basic level of English.
• Attention to detail, responsibility, and a proactive approach to learning.
  
  Nice-to-have
• Experience with Symfony and its components (Routing, Doctrine, Twig).
• Working with REST APIs and third-party integrations.
• Knowledge of JavaScript frameworks (Vue.js, React, jQuery).
• Basic unit testing in PHP.
• Familiarity with Linux/Unix and the command line.
• Understanding of Agile/Scrum workflows.
• Comfortable with Git branching, pull requests, and merging.
• Previous experience in a similar role or any small projects/internships in PHP development.
  
  What You Can Expect
• Full-time employment (5/2 schedule).
• 8-hour working day with flexible hours between 8:00–17:00 and 10:00–19:00.
• 20 vacation days + 12 paid sick leave days annually.
• Continuous professional development, training support, and mentorship.
• Experienced, supportive team.
• Opportunities for fast career growth.

• Referral bonus program.
   

  Interested?

  If this role sounds like a good match, we’d be happy to connect and discuss details.

We are looking for a Senior Go Developer to join our dynamic team and work on cutting-edge AdTech solutions. This role offers the opportunity to experiment with AI, LLMs, and emerging technologies while solving complex challenges in large-scale data processing.

Customer

Our customer is a global leader in contextual advertising with more than 500 employees worldwide. They specialize in delivering highly relevant ads by leveraging AI, real-time technology, and large-scale data processing. Operating in the AdTech industry, they are recognized for innovation in Connected TV (CTV) advertising. The team you will join works with the agility of a startup while benefiting from the resources of a global organization.

Project

You will contribute to the development of a smart advertising platform that processes terabytes of data to understand audiences and deliver precise, contextual ads. The platform combines AI, LLMs, and emerging technologies to push the boundaries of CTV advertising. In this role, you will own innovation end-to-end — from research and prototyping to delivering production-ready solutions.

Requirements

• 5+ years of hands-on experience using Golang
• Strong experience with system architecture, deployment, and monitoring
• Hands-on experience working with large-scale data workflows
• Solid understanding of scalability, performance, and reliability principles
• Familiarity with the RTB / CTV advertising ecosystem
• Ability to translate business requirements into robust technical solutions
• Strong analytical and problem-solving skills
• Ability to manage multiple priorities and meet deadlines
• Good communication and collaboration skills
• Upper-Intermediate or higher English level

Would be a plus

• Experience in AdTech or contextual advertising
• Knowledge of real-time streaming systems
• Experience with microservices and distributed systems
• Hands-on work with high-throughput data pipelines
• Experience with Python or Node.js / JavaScript

Personal Profile

• Proactive problem solver who thrives in fast-paced environments
• Passion for experimenting with emerging technologies
• Strong sense of ownership and accountability
• Team-oriented with open communication style
• Continuous learner with a drive for self-improvement
   

Responsibilities

• Design, develop, and maintain high-performance backend services using Go
• Participate in architecture design and technical decision-making
• Build and improve solutions for contextual targeting and audience understanding
• Experiment with AI, LLMs, and emerging technologies to support product innovation
• Develop and optimize workflows and data pipelines for large-scale processing
• Collaborate with product managers and team members to define requirements and user stories
• Translate business needs into scalable and reliable technical solutions
• Prototype new ideas and evolve them into production-ready systems
• Monitor, troubleshoot, and improve system performance and stability

Hello everyone 👋

At Intobi, we're a software and product development company passionate about driving innovation and progress.

We help our clients succeed by delivering custom-built tech solutions designed to meet their unique needs.

Our expertise lies in developing cutting-edge Web and Mobile applications.

We are seeking a proactive Python Developer with at least 3 years of experience to join our engineering team. You will be responsible for the full lifecycle of data-driven applications, from building robust backend APIs to designing and maintaining complex data pipelines. The ideal candidate thrives in a DevOps-cultured environment and is eager to work with modern orchestration and cloud technologies.

Core Responsibilities:

— Data Pipeline Management: Develop, optimize, and maintain scalable data pipelines to ensure high-quality data flow.

— API Development: Build and maintain high-performance backend APIs using FastAPI.

— System Reliability: Proactively identify bottlenecks and improve system stability within existing infrastructures.

— Collaboration: Work closely with cross-functional teams to integrate AWS services and workflow orchestration tools into the production environment.

Required Qualifications:

— Experience: 3+ years of professional Python development experience.

— Databases: Strong proficiency in both SQL and NoSQL database design and management.

— DevOps Tools: Hands-on experience with Docker, CI/CD pipelines, and Git version control.

— Frameworks: Proven experience building applications with FastAPI.

— Cloud & Orchestration: Practical experience with AWS services and familiarity with Airflow (or similar workflow orchestration tools).

— Communication: Upper-Intermediate level of English (written and spoken) for effective team collaboration.

Preferred Skills (Nice to Have):

— Experience within the Financial Domain.

— Hands-on experience with Apache Spark and complex ETL pipelines.

— Knowledge of container orchestration using Kubernetes.

— Exposure to or interest in Large Language Models (LLMs) and AI integration.

Please send your CV here or via email

Should the first stage be successfully completed, you’ll be invited to a personal interview.

Hello everyone 👋

At Intobi, we're a software and product development company passionate about driving innovation and progress.

We help our clients succeed by delivering custom-built tech solutions designed to meet their unique needs.

Our expertise lies in developing cutting-edge Web and Mobile applications.

We are seeking a proactive Python Developer with at least 3 years of experience to join our engineering team. You will be responsible for the full lifecycle of data-driven applications, from building robust backend APIs to designing and maintaining complex data pipelines. The ideal candidate thrives in a DevOps-cultured environment and is eager to work with modern orchestration and cloud technologies.

Core Responsibilities:

— Data Pipeline Management: Develop, optimize, and maintain scalable data pipelines to ensure high-quality data flow.

— API Development: Build and maintain high-performance backend APIs using FastAPI.

— System Reliability: Proactively identify bottlenecks and improve system stability within existing infrastructures.

— Collaboration: Work closely with cross-functional teams to integrate AWS services and workflow orchestration tools into the production environment.

Required Qualifications:

— Experience: 3+ years of professional Python development experience.

— Databases: Strong proficiency in both SQL and NoSQL database design and management.

— DevOps Tools: Hands-on experience with Docker, CI/CD pipelines, and Git version control.

— Frameworks: Proven experience building applications with FastAPI.

— Cloud & Orchestration: Practical experience with AWS services and familiarity with Airflow (or similar workflow orchestration tools).

— Communication: Upper-Intermediate level of English (written and spoken) for effective team collaboration.

Preferred Skills (Nice to Have):

— Experience within the Financial Domain.

— Hands-on experience with Apache Spark and complex ETL pipelines.

— Knowledge of container orchestration using Kubernetes.

— Exposure to or interest in Large Language Models (LLMs) and AI integration.

Please send your CV here or via email

Should the first stage be successfully completed, you’ll be invited to a personal interview.