Senior Infrastructure Engineer - High-Performance Blockchain Services

Location: New York City (Office)

Compensation: $200K - $300K

Join the Infrastructure & Platform team at a high-growth crypto derivatives exchange that is rapidly capturing market share in a multi-billion dollar annual sector. Our current focus is on building a multi-asset margin feature that leverages blockchain technology to allow users to post variable forms of collateral, which is essential as multi-asset margin comprises over 86% of crypto accounts.

You will play a pivotal role in designing, architecting, and deploying highly reliable, scalable blockchain services with lightning-fast performance. You will lead the development of mission-critical core infrastructure that powers our products, enabling us to bring financial venues directly to the user.

The Senior Infrastructure Engineer will be responsible for building the core components of a high-throughput, low-latency distributed system, focusing heavily on performance and cryptographic integrity.

We are looking for a Senior DevSecOps who will help make our cloud infrastructure safe, stable, and automated. You will work together with the development, platform, and security teams to add security at every step of product creation.

This is a great chance to grow in security automation, improve processes, and bring modern DevSecOps practices into the company.

Requirements

Must-Have Skills

5+ years of hands-on experience in DevOps / DevSecOps / Cloud Engineering roles;

Deep expertise with AWS services (IAM, VPC, CloudTrail, GuardDuty, KMS, WAF);

Proven experience with Kubernetes security — RBAC, network segmentation, image scanning, Falco or similar runtime security tools;

Strong proficiency in Infrastructure-as-Code tools, particularly Terraform (modules, state management, policy as code);

Experience managing CI/CD pipelines on GitHub Actions with integrated vulnerability scanning and secret protection;

Solid knowledge of Cloudflare security suite (Zero Trust, WAF, DNS, Access, API Gateway rules);

Familiarity with SSO and MFA solutions (DUO SSO, OIDC flows, federation via SAML);

Scripting and automation using Python, Bash, or Go;

DevOps Engineer - Stablecoin Platform Infrastructure

Location: Remote - US based (Would consider South America/Canada if can work EST timezones)

Compensation: $170K - $200K

We are a stablecoin platform for builders, providing a superior digital-dollar building block that developers can extend to create customizable, application-specific stablecoins in minutes. Our platform empowers businesses to monetize their digital dollar use cases and maintain control over their money tech stack, without being burdened by operational heavy-lifting. We are seeking an experienced DevOps Engineer to play a key role in ensuring the security, reliability, and scalability of our systems through automation, monitoring, and encryption-first architectures.

You will be responsible for building, scaling, and securing the cloud infrastructure that underpins our stablecoin platform. This position requires hands-on expertise with cloud-native security best practices, a focus on performance optimization, and strong proficiency in automating deployments across a distributed system environment.

Key Responsibilities:

GoMining is seeking a highly skilled Database Engineer to join our team and ensure the performance, scalability, and reliability of our databases. This role is ideal for someone passionate about data architecture, high-performance database systems, and large-scale analytics in fast-paced fintech and crypto environments.

You will play a critical role in designing database solutions, optimizing queries, managing replication, and ensuring data integrity.

Responsibilities:

Database Architecture & Design

• Design, implement, and optimize database schemas for high-performance applications.
• Develop strategies for data partitioning, replication, and scaling.
• Evaluate and implement new database technologies for performance and reliability.

Maintenance & Optimization

• Monitor database performance and implement query optimization, indexing, and caching strategies.
• Manage backup, restore, and disaster recovery plans.
• Conduct capacity planning and performance tuning for production workloads.

Collaboration & Support

A DevSecOps Engineer is responsible for integrating security practices into the entire software development lifecycle, ensuring that applications, infrastructure, and operations are secure by design. This role blends development, operations, and security expertise to maintain high-availability systems while proactively managing security risks and compliance requirements.

Responsibilities:

• Security Integration in CI/CD: Embed security checks, vulnerability scanning, and automated compliance tests into CI/CD pipelines.
• Infrastructure Security: Implement secure cloud and on-premises infrastructure using best practices for access control, encryption, and network segmentation.
• Container & Kubernetes Security: Manage and harden containerized environments, including image scanning, runtime protection, and pod security policies.
• Monitoring & Incident Response: Use observability tools to monitor systems for security threats, respond to incidents, and implement continuous improvements.
• Collaboration & Education: Work closely with developers, SREs, and QA teams to ensure security-first development practices, provide guidance on secure coding, and conduct threat modeling.
• Compliance & Governance: Ensure systems and processes comply with standards like ISO27001, SOC 2, GDPR, NIST, and maintain audit readiness.

Requirements

The key focus for the senior data architect is to perform planning aligned to key data solutions, build and participate the architecture capability building, performdata architecture and design, manage data architecture risk and compliance, provide design and build governance and support and communicate and share knowledge around the architecture practices, guardrails, blueprints and standards related to the data solution design.

DESCRIBE THE MAIN ACTIVITIES OF THE JOB (DESCRIPTION)

Planning

• Lead data solution requirements gathering and ensure alignment with business objectives and constraints.
• Define and refine data architecture runways for intentional architecture with the key stakeholders
• Provide input into business cases and costing
• Participate and provide data architectural runway requirements into Programme Increment (PI) Planning

Architecture Capability

Antipollution, a member of the Vasileiadis Group of Companies (V Group), is a leading provider of environmental and waste-management solutions across the Eastern Mediterranean, Egypt and the Balkans. Operating in six key business pillars—including Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology—we are committed to sustainability, innovation and operational excellence.

As part of our digital-transformation agenda, we are looking for a hands-on Automation & Integration Engineer to join the Technology & Innovation Department. You will design, build and operate low-code/no-code automations and enterprise-grade integrations—streamlining business processes, connecting systems and data sources, and enabling secure, scalable, and cost-efficient operations in line with relevant industry best practices and compliance standards.

Role Overview:

You will act as the technical owner of workflow automation and system-to-system integrations—analyzing requirements, architecting solutions, implementing robust flows and continuously improving reliability, performance and cost. The role is 100 % hands-on: expect to create and troubleshoot Power Automate and n8n workflows yourself while collaborating closely with peers in cloud, data, IoT and business-process teams.

Key Responsibilities:

Contract duration: Start with 6 months

Location: JHB

Pay rate: Negotiable

Security Architectures

The Head of Security Architecture for the organization is responsible for designing, implementing, and maintaining robust security architectures that protect sensitive data in compliance with regulations such as POPIA, GDPR. This role is critical in safeguarding the confidentiality, integrity, and availability of electronic health records (EHR), patient and employee information, medical devices, and cloud-based healthcare services. The role will focus on designing and developing security architecture that aligns business and corporate security strategy. The role will collaboratively direct Security Architects, IT, and Engineers to design and build security controls and solutions compliant with approved enterprise architecture frameworks and standards across business and digital.

What will you bring?

Risk-based decision-making - expert in ISO 27001 / NIST / CIS controls, able to quantify and articulate risk, then select proportionate, cost-effective controls.

Pen-testing & threat-modelling - scoping, overseeing, and translating results into enforceable patterns and backlog items.

Influential communication - proven ability to engage C-suite and delivery stakeholders alike, adapting style to gain agreement and drive secure-by-design culture.

Job title: Information Security Architect

Contract duration: Start with 6 months

First preference: EEE candidates

Location: JHB

The Head of Security Architecture for the organization is responsible for designing, implementing, and maintaining robust security architectures that protect sensitive data in compliance with regulations such as POPIA, GDPR. This role is critical in safeguarding the confidentiality, integrity, and availability of electronic health records (EHR), patient and employee information, medical devices, and cloud-based healthcare services. The role will focus on designing and developing security architecture that aligns business and corporate security strategy. The role will collaboratively direct Security Architects, IT, and Engineers to design and build security controls and solutions compliant with approved enterprise architecture frameworks and standards across business and digital.

Key Responsibilities:

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 Data Platform Lead in New York/Atlanta.

This role is ideal for a technical leader passionate about building robust, scalable data infrastructure to support real-time analytics, automation, and AI applications. As the Data Platform Lead, you’ll architect and guide the development of advanced data pipelines that integrate real-time and batch processing from various data sources, including IoT and EHR systems. You’ll collaborate closely with engineering, cloud, and healthcare technology teams to ensure data integrity, security, and performance across the platform. This is a mission-driven opportunity to reshape healthcare operations and patient outcomes through innovative data solutions.

Accountabilities: