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(fluent Ukrainian) Strong Junior Frontend Developer (Poland, remote)

posted by: spj_bot

Ми шукаємо талановитого Strong Junior Frontend Developer для партнерської компанії, яка займається розробкою cloud-based рішення для професійних медіа та ентузіастів, які хочуть створити власне видання.

Платформа створена з урахуванням реальних потреб сучасних медіа: висока продуктивність, контент-синдикація, SEO-оптимізація, залучення читачів, побудова активної спільноти та незалежність завдяки моделі, що ґрунтується на підтримці читачів.

Звучить цікаво? Далі більше 💛

В цій ролі ти зможеш:

  • Розробляти новий функціонал — від ідеї та обговорення до повноцінної реалізації й запуску;
  • Покращувати та підтримувати продукт, усувати баги, оптимізовувати код, підвищувати стабільність та продуктивність системи;
  • Брати активну участь в командних зустрічах, брейнштормах та технічних дискусіях;
  • Співпрацювати з продуктовою командою для створення цілісного та якісного продукту.

Ти — наш ідеальний кандидат, якщо маєш:

Job Skills

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Staff Software Engineer (Backend)

posted by: spj_bot

Staff Software Engineer (Backend)

Location: San Francisco, New York, or Remote (US)

On-site/Remote| Full-time

Compensation: $225K – $300K 

Our client is a high-growth, venture-backed organization (YC W24) that has raised over $35M to pioneer the next generation of autonomous digital workers. Unlike traditional chatbots or copilots, our client builds fully autonomous "AI employees" that research leads, manage complex outbound sequences, handle deliverability infrastructure, and self-optimize through behavioral patterns.

Currently at $8M+ ARR and scaling rapidly, the organization is deep in the development of its next-generation platform—a step change in the capabilities of AI agents. The backend is the core of this transformation, processing millions of signals to facilitate autonomous decision-making. Our client is seeking a Staff Software Engineer to serve in a foundational role, owning major segments of the platform infrastructure and driving high-throughput AI orchestration. The engineering culture is flat, high-velocity, and results-oriented. There is no red tape; engineers are expected to own outcomes end-to-end, from architecture and design to deployment and monitoring.

Key Responsibilities

Job Skills

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Member of Technical Staff (Agents)

posted by: spj_bot

Location: Toronto (Office)

On-site | Full-time

Compensation: $140K - $260K

Our client is a high-growth, open-source infrastructure provider dedicated to the advancement of AI agents and web-based applications. By developing sophisticated browser infrastructure, the organization enables developers to deploy AI products that interact seamlessly with the web via a proprietary Sessions API.

Following a period of exponential growth in 2025 driven by a robust open-source community and word-of-mouth adoption, our client is expanding its talent-dense team. This role offers the opportunity to shape the future of human-internet interaction by building the frameworks, developer tools, and benchmarks that make autonomous web browsing possible for AI.

The Role: Member of Technical Staff (Applied AI)

The Senior Applied AI Engineer will play a pivotal role in defining how AI agents navigate the web. This individual will focus on building open-source frameworks and high-impact demos, while simultaneously refining the developer experience to ensure the platform remains indispensable for AI engineers.

Key Responsibilities

Job Skills

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CRO Expert

posted by: spj_bot


Company Introduction:

Apex is a growing agency focused on Conversion Rate Optimization (CRO), aimed at boosting client sales without increasing ad budgets. We work with top e-commerce brands to enhance their websites, using data and proven strategies to drive growth.

With a solid record of delivering results, we combine technical skills with a focus on improving user experience. As we expand, we offer opportunities to work with a talented team, solving challenges and applying advanced CRO methods.

If you’re looking to make a difference and help e-commerce businesses grow, alongside a team of driven professionals, consider joining the Apex team.

About the Role 

The Conversion Rate Optimization Expert is responsible for enhancing the performance of our clients’ websites by implementing data-driven strategies that maximize their conversion rates. 

This position plays a key role in analyzing user behavior, identifying optimization opportunities, and implementing changes to improve overall site performance. You will collaborate closely with copywriters, designers, web developers, and other team members.

Job Skills

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CRO Expert

posted by: spj_bot


Company Introduction:

Apex is a growing agency focused on Conversion Rate Optimization (CRO), aimed at boosting client sales without increasing ad budgets. We work with top e-commerce brands to enhance their websites, using data and proven strategies to drive growth.

With a solid record of delivering results, we combine technical skills with a focus on improving user experience. As we expand, we offer opportunities to work with a talented team, solving challenges and applying advanced CRO methods.

If you’re looking to make a difference and help e-commerce businesses grow, alongside a team of driven professionals, consider joining the Apex team.

About the Role 

The Conversion Rate Optimization Expert is responsible for enhancing the performance of our clients’ websites by implementing data-driven strategies that maximize their conversion rates. 

This position plays a key role in analyzing user behavior, identifying optimization opportunities, and implementing changes to improve overall site performance. You will collaborate closely with copywriters, designers, web developers, and other team members.

Job Skills

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Staff Full Stack Engineer

posted by: spj_bot

Staff Full Stack Engineer

Location: New York

On- site | Full-time

Compensation: Competitive

Our client is a premier development organization responsible for building and operating a high-stakes technology stack that powers one of the largest and most active token launchpads in the decentralized finance (DeFi) ecosystem. The systems involved are engineered for low latency and high throughput, operating under constant, significant load where precision and system reliability are critical.

The organization is seeking a Full Stack Engineer to play a vital role in scaling cutting-edge platforms at the intersection of cryptocurrency and social finance. This individual will work across the entire technical stack to deliver high-performance, user-centric applications. The environment is characterized by an intense pace, high expectations, and immediate real-world impact. This role is ideal for a high-agency engineer who thrives on ownership and is motivated by the challenge of building products used by massive, global audiences.

Key Responsibilities

Job Skills

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Senior Staff Backend Engineer

posted by: spj_bot

Senior Staff Backend Engineer

Location: Manhattan, New York

Onsite | Full-time

We are hiring on behalf of our client who is the development powerhouse behind one of the largest and most high-traffic platforms in the digital asset space. Currently processing ~$1B in daily volume, their technology stack handles low-latency, high-throughput, and constant load at a scale few companies ever reach.

The Role

In this role, you will act as a technical anchor, overseeing the integrity and evolution of their core backend systems. You will balance high-level architectural governance with deep-tier execution, driving technical excellence from the front. Your primary focus will be the proactive mitigation of scaling risks and the design of durable, fault-tolerant systems capable of sustaining high-throughput workloads.

What You’ll Do:

Job Skills

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Senior Blockchain Security Engineer

posted by: spj_bot

Senior Blockchain Security Engineer
Employment: Full-time via MLabs
 Engagement: Contracted to a UAE-based enterprise blockchain / fintech client
 Location: Remote (Eastern Europe / MENA / India preferred)

Job Description
MLabs is hiring a Senior Blockchain Security Engineer to support a large-scale blockchain and financial technology program for a UAE-based enterprise client.
You will be responsible for securing smart contracts, blockchain integrations, and protocol-level components within a custom enterprise blockchain ecosystem. This role requires deep expertise in smart contract vulnerabilities, secure architecture design, and threat modeling in decentralized systems.
The ideal candidate has hands-on experience auditing smart contracts and identifying vulnerabilities in production blockchain environments.

Responsibilities

Job Skills

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Senior Blockchain DevOps Engineer

posted by: spj_bot

Senior Blockchain DevOps Engineers
Employment:
Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise blockchain / fintech client
Location: Remote (Eastern Europe / MENA / India preferred)

Job Description
MLabs is hiring a Senior Blockchain DevOps Engineer to support a large-scale blockchain and financial technology program for a UAE-based enterprise client.
You will be responsible for deploying, maintaining, and scaling blockchain infrastructure in production environments. This role combines modern DevOps practices with blockchain node operations, automation, and high-availability system design.
The ideal candidate has hands-on experience operating blockchain nodes and managing secure, production-grade infrastructure in distributed environments.

Responsibilities

  • Deploy, configure, and maintain blockchain nodes and supporting infrastructure
  • Design and manage CI/CD pipelines for blockchain and backend services
  • Automate infrastructure using Infrastructure as Code tools
  • Ensure high availability, scalability, and security of blockchain systems
  • Monitor system performance and troubleshoot distributed environments
  • Implement logging, monitoring, and alerting solutions
  • Collaborate with protocol, smart contract, backend, and security teams

Requirements

Job Skills

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Senior/Lead QA Automation Engineer

posted by: spj_bot

Senior & Lead QA Automation Engineers

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring Senior and Lead QA Automation Engineers to support a large-scale financial technology program for a UAE-based enterprise client. You will be responsible for designing and implementing automated testing frameworks across web, mobile, backend, and blockchain-integrated systems. The role requires a strong automation-first mindset and experience working in enterprise or regulated environments. Lead-level candidates will drive QA strategy, establish automation standards, and mentor distributed QA teams.

Responsibilities

  • Design, develop, and maintain automated test frameworks
  • Implement API, UI, and integration test automation
  • Collaborate with engineering teams to ensure test coverage across backend and frontend systems
  • Develop and maintain CI/CD-integrated test pipelines
  • Identify, document, and track defects in complex distributed systems
  • Improve testing strategies to ensure scalability, security, and performance
  • Lead Engineers: define QA strategy, mentor QA engineers, and drive quality standards across teams

Requirements

Job Skills

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