Senior Infrastructure Engineer - Blockchain Wallet Backbone

Location: Remote - Location: United States (remote-first, office optional). EST time is preferred

Compensation: $180K - $300K

Join a stellar team of leaders and experts in blockchain technology, cryptography, and security. We are building the backbone of blockchain wallet infrastructure for the next financial era. We are seeking a Senior Infrastructure Engineer to design, operate, and scale systems at the intersection of blockchain, cybersecurity, and distributed infrastructure, preparing us to meet the demands of a trillion-dollar industry.

This role goes beyond maintenance—you will be an architect, automator, and security expert. You will embed best-in-class DevOps and SRE practices into our workflows, ensuring our services are highly reliable, secure, and cost-efficient. You will collaborate across engineering, product, and security to translate complex requirements into scalable infrastructure.

Key Responsibilities:

Full Stack Engineer - Payments & FinTech Web Applications

Location: Remote - Based in EST or GMT+1

Compensation: $120K - $150K

We are a high-growth technology company building a robust FinTech and payments platform. We are seeking an experienced Full Stack Engineer with strong product sense and deep technical expertise to design and build the secure, scalable, and high-performing web applications that power our platform. This role requires translating complex backend financial systems into intuitive, reliable user experiences.

You will own the development lifecycle of web applications from design through release, working across the full stack with an emphasis on the frontend user experience. You will collaborate closely with backend teams, ensuring that all features prioritize performance, security, and scalability. You will be expected to treat UI components and APIs as products, maintaining high standards for code quality and architectural clarity.

What You'll Do:

Senior Backend Engineer - High-Volume Fintech & Payments Platform

Location: Remote - Based in LATAM / EST /Europe

Compensation: $130K - $180K

We are a technology company building the next generation of money and financial products. We are seeking a Senior Backend Engineer to design and build the core backend systems that power our fintech and payments platform. This role requires deep technical expertise in high-scale transaction systems and strong product awareness to deliver reliable, secure, and impactful solutions.

You will be responsible for the full lifecycle of our backend services, focusing on architecting, building, and operating systems that handle high-volume financial transactions securely and reliably. You will act as a technical leader, driving feature delivery and raising the engineering bar across the team while ensuring our systems align with business priorities.

Key Responsibilities:

Our client is a well-funded, early-stage startup solving one of the most critical challenges in the AI industry: ensuring AI applications are safe, reliable, and ready for production. They are building a platform that provides best-in-class tools for evaluation, testing, and continuous improvement of AI models.

Founded in 2024, the company is already working with leading AI labs like OpenAI and Anthropic, as well as other major enterprises. Their team is composed of top talent from companies like Datadog, Citadel, and McKinsey, and they are backed by founders and executives from tech powerhouses such as Google, Stripe, and Databricks.

Our client is seeking a talented Full-Stack Software Engineer to build their AI reliability platform. In this role, you will have a direct impact on how AI is tested, verified, and deployed across the industry. You'll own the end-to-end development of new features, from designing user-facing workflows to creating reusable frontend components and visualizations for complex concepts.

You will also have the unique opportunity to:

• Collaborate directly with the research team on safe AI tooling.
• Interface with customers to design intuitive workflows and guide them in evaluation methodologies.

Requirements

Продуктова команда SupportYourApp в пошуку досвідченого QA Engineer, що допоможе гарантувати стабільність, безпеку та якість відповідей штучного інтелекту. Ми працюємо над створенням B2B AI-рішень - чат-агентів та інструментів на основі ШІ. Працюємо зі складними сценаріями, де важлива точність, тон спілкування та відповідність інструкціям.

Звучить цікаво? Тоді наша команда чекає саме на тебе!

Далі більше 💛

Що ти будеш робити:

• Створювати та підтримувати тест-кейси, чеклисти, тест-плани;
• Проводити мануальне тестування нових фіч, AI-відповідей, інтерфейсу;
• Перевіряти коректність інтеграцій з LLM, векторними базами, API;
• Аналізувати edge cases, валідувати тон, логіку та точність відповідей моделі;
• Писати автотести (smoke / regression) — бажано Cypress або Playwright;
• Взаємодіяти з розробниками, ML-інженерами, Product Owner;
• Валідувати якість відповідей у продакшні (human feedback loop);
• Пропонувати та впроваджувати рішення для покращення якості коду.

Важливо та потрібно:

About Jobgether:

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for a DevOps Engineer in the United Kingdom.

This role offers the opportunity to join a global team building cutting-edge scientific software used by millions of researchers. As a DevOps Engineer, you’ll focus on optimizing cloud infrastructure, enhancing deployment pipelines, and implementing automation across high-traffic applications. You’ll work with Kubernetes, AWS, and CI/CD tools to support product teams in deploying and maintaining scalable and secure systems. This position is ideal for someone passionate about improving infrastructure performance and enabling innovation in scientific research through technology.

Accountabilities:

About Jobgether

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our partner companies is currently looking for a Senior Engineering Manager in Canada.

As a Senior Engineering Manager, you will lead high-performing software development teams focused on delivering scalable, cloud-native solutions that support core product features, third-party integrations, and robust APIs. You will collaborate closely with product, design, QA, SRE, and support teams to drive alignment, innovation, and execution. This is a leadership role where you’ll balance people management with technical guidance, ensuring your team meets business goals while maintaining high engineering standards. If you are driven by challenge, value collaboration, and thrive in dynamic, product-driven environments, this is an ideal opportunity to make a tangible impact.

Accountabilities:

About Jobgether

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for a Senior/Staff DevOps Engineer - AQMed in the United States.

This role offers a unique opportunity to work at the forefront of AI/ML and quantum innovation. As a Senior or Staff DevOps Engineer, you will play a critical role in supporting development teams by designing scalable infrastructure, streamlining development pipelines, and championing DevOps best practices. You’ll provide deep, hands-on technical support and collaborate closely with engineering, IT, and InfoSec to ensure efficiency, performance, and security. Your strategic insight and technical expertise will help shape the foundation of next-generation solutions in a highly dynamic and mission-driven environment.

Accountabilities:

About Jobgether

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for a Senior Technical Support Specialist in United States.

We are seeking a customer-focused, technically skilled Senior Technical Support Specialist to provide exceptional support and guidance to enterprise-level customers. In this role, you will act as a trusted advisor, resolving technical issues, building strong client relationships, and contributing to a seamless customer experience. You’ll collaborate cross-functionally with Engineering, Product, and Customer Success teams to ensure alignment in troubleshooting and issue prevention. This is an ideal opportunity for a detail-oriented professional who thrives in a fast-paced SaaS environment and is passionate about delivering value and optimizing client success.

Accountabilities:

About Jobgether

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for a Senior AdOps Engineer in Europe.

In this role, you’ll take charge of the operational performance of a large-scale digital advertising platform. As the go-to expert for system monitoring and troubleshooting, you’ll work across complex ad tech infrastructure—including DSPs, SSPs, and cloud environments—to ensure stable, accurate, and high-performing ad delivery. This is a hands-on, systems-focused position where your expertise will directly impact uptime, reliability, and user experience. You’ll collaborate closely with cross-functional teams to address platform issues at their core and help build a more robust and scalable ecosystem.

Accountabilities: