Machine Learning Engineer Job at Kora – Payments & Fintech Infrastructure

About the Opportunity

Do you love designing intuitive digital experiences and solving real user problems? Here's a fantastic chance to work with a fast-growing tech education platform that's helping shape the future of African talent.

Utiva Nigeria is on a mission to help Africans acquire in-demand tech skills and connect with global career opportunities. We're currently looking for a talented UI/UX Designer to craft user-friendly web and mobile experiences across our digital platforms.

Role Overview

As our UI/UX Designer, you'll turn complex ideas into simple, engaging product experiences. You'll work closely with product managers and engineers to design solutions that are not only visually appealing but also effortless to use.

Key Responsibilities

• Create user flows, wireframes, and interactive prototypes

• Conduct user research and refine designs based on feedback

• Design consistent interfaces for both web and mobile platforms

• Maintain design systems and ensure brand consistency

• Collaborate with cross-functional teams to deliver functional, user-centered solutions

Requirements

• At least 2 years of experience in UI/UX or Product Design

• A strong portfolio showcasing both UX and UI design skills

• Proficiency in Figma and working with design systems

• Solid understanding of usability, accessibility, and UX principles

• Ability to think creatively and solve real user problems

Nice to Have

• Experience in SaaS, EdTech, or startup environments

• Basic understanding of front-end technologies like HTML/CSS

How to Apply

Send your CV and portfolio to wuraola@utiva.co with the job title as the email subject line.

If you're passionate about designing meaningful digital products and want to contribute to Africa's growing tech ecosystem, this role offers an exciting opportunity to showcase your creativity and make a real impact.

Role Overview

The Product Designer owns and enhances every user-facing digital experience from landing pages and onboarding flows to parent touchpoints. Your goal is to ensure clarity, usability, and conversion at every step. You'll improve existing funnels through data-informed design, turning business objectives into high-performing experiences that drive enrollment and elevate the customer journey.

Responsibilities

Landing Pages & Conversion Design

• Design high-conversion landing pages for key programs and campaigns

• Continuously improve page performance using conversion data and user behavior insights

• Align page structure, messaging, and visuals with marketing campaigns and ads

• Optimize CTAs, forms, and page layouts to boost lead conversion

User Experience & Funnel Optimization

• Map and improve the complete parent journey — from first inquiry to enrollment

• Identify friction points and redesign flows for better clarity and ease of use

• Enhance onboarding and registration experiences to reduce drop-offs

• Ensure a seamless, intuitive experience across all touchpoints

Design Systems & Brand Consistency

• Build and maintain a consistent design system across all digital assets

• Ensure alignment in layout, typography, and visual hierarchy

• Create reusable components for faster, more efficient design execution

• Maintain consistency across landing pages, emails, and marketing materials

Collaboration with Developer & Marketing Team

• Translate designs into clear, developer-ready specifications

• Work closely with the developer to ensure accurate implementation

• Partner with the Ads Specialist to align creatives with landing page experiences

• QA live pages to ensure responsiveness, accuracy, and performance

Experimentation & Continuous Improvement

• Run A/B tests on landing pages and key user flows

• Use data and insights to guide design decisions

• Iterate quickly based on performance metrics and feedback

• Continuously refine experiences to improve conversion and engagement

Requirements

• Minimum of 2 years of relevant experience

• Minimum of a BSc degree

Coalition Technologies is one of the top SEO and web design agencies in the United States. Our mission is simple: deliver outstanding online marketing services to a diverse range of clients and industries.

But our purpose and values would mean little without the right people to bring them to life. That’s why Coalition is more than an agency or a service. We’re a team of expert developers, creative thinkers, digital strategists, and skilled marketers who genuinely care about the work we do.

We’re Hiring: Remote Web Designers

• Location: Fully remote (open to candidates worldwide)

• Pay: $15 – $35 per hour

• Job Type: Full-time

Why You Should Join Us

At Coalition Technologies, we’re committed to delivering top-quality work for our clients while fostering a fun, supportive, and innovative environment for our team. Along with real opportunities for career growth and advancement, we offer:

• The most competitive profit-sharing bonus plan in the industry — up to 50% of company profits distributed to full-time employees every month

• A generous Paid Time Off plan that supports a healthy work-life balance

• Subsidized gym memberships to help our team stay active and feel their best

• Medical, dental, vision, and life insurance for all US-based team members

• International Health Insurance Reimbursement Program — a unique benefit for our global team members

• Device upgrade and learning reimbursement programs

• Career development plans with clear goals and rewards

• Job-specific incentives and bonuses

Plus, 100% of our team works remotely with the help of time tracking software. We’ve been supporting remote employees for over a decade, and we welcome applications from anywhere in the world.

What You Should Bring

• Mastery of video and photo editing software

• Experience with Adobe After Effects or Adobe Premiere Pro

• Knowledge of HTML, CSS, and how they influence what developers can and can’t do on the web (preferred)

• A genuine passion for design, with a solid understanding of core concepts and fundamentals

• A desire to keep learning and stay current with trends in the design industry

• An impressive portfolio showcasing website designs (e-commerce experience preferred) and web app dashboards

• Familiarity with project management tools like Basecamp and G-Suite (preferred)

• Experience presenting work to clients in a professional setting

• The ability to perform well under pressure and meet tight deadlines

• Availability to work 40 hours per week, Monday through Friday, from 9:00 am to 6:00 pm Pacific Standard Time

• Excellent written and spoken English

• A reliable workstation with a fast computer, microphone, speakers, stable internet, and dependable power

Your Day-to-Day Responsibilities

• Designing custom logos, brand guides, and design systems from scratch for each client

• Creating wireframes, website mockups, and related graphics for both desktop and mobile devices based on creative briefs

• Drawing vector icons and other illustrations

• Attending and participating in client meetings, and collaborating with our Digital Producers to plan and achieve client goals through thoughtful design

• Working alongside copywriters, SEO specialists, developers, and other teams to shape the project vision and balance usability with performance

• Preparing design files for smooth handoff to developers

• Ensuring projects are completed on schedule while following our methodology and quality standards

We’re looking for talented, detail-oriented candidates who perform well on our skills tests. Even if your past experience or educational background doesn’t perfectly match, we’ll still consider you if you excel in our assessments.

Note for candidates in California, New York, Washington, and Colorado:
Starting base pay for this position ranges from $15 – $35 per hour in these states. Compensation may vary based on experience, qualifications, skills test performance, geographic location, and seniority. Outside of these states, pay may fall outside the range listed above.

C++ Software Engineer | High-Performance Trading Systems | Remote HFT Job

About the Role

We’re looking for a talented C++ Software Engineer to build and optimize the high-performance systems at the core of our trading infrastructure. You’ll take ownership of real-time components that process market data, manage order execution, and support strategy deployment — all with strict requirements for low latency and rock-solid reliability.

This is a hands-on, end-to-end engineering role in a live trading environment. The ideal candidate brings deep modern C++ expertise and a strong grasp of system-level performance.

Requirements

Minimum Qualifications

• 3+ years of professional software engineering experience, focused on performance-critical systems

• Expert-level knowledge of modern C++ (C++17 or later), including templates, memory management, and concurrency

• Solid understanding of systems programming concepts: CPU architecture, networking, threading, I/O, etc.

• Hands-on experience with Linux systems development, including debugging and performance tuning tools

• Proven ability to write clean, efficient, and maintainable production code

• Strong analytical skills with high attention to detail

• Comfortable working independently in a fast-paced, fully remote team environment

Preferred Qualifications

• Prior experience in high-frequency trading (HFT), low-latency systems, or real-time financial infrastructure

• Experience building market data handlers, matching engines, or order gateways

• Familiarity with exchange protocols (FIX, WebSocket, REST) and crypto-native APIs

• Background in mathematics, physics, computer science, or a related technical field

• Experience with performance benchmarking and hardware-level micro-optimization (e.g., cache-aware design, CPU pinning, instruction pipelining)

Our Team
We’re a driven, enthusiastic group of around 75 people. Our founding team has a strong track record in entrepreneurship, having built and scaled web products from zero to IPO.

Alexis Soulopoulos [CEO]
• 10+ years in tech executive leadership
• Co-founder of Mad Paws Holdings (0 → IPO)
• Forbes 30 Under 30 + Deloitte TechFast50 ’22 & ’23

Michael Monin [Co-founder & CTO]
• 10+ years as CTO / COO (web2/web3), 1+ year in AI/LLM
• Serial entrepreneur: MTK Digital (exited, 0 → $20M revenue) and Zipchat (AI chatbot for e-commerce brands)

Thomas Lacroix [Co-founder & CMO]
• 8+ years in customer acquisition and e-commerce growth
• Serial entrepreneur: Curatible (sold to Blackstone) and MTK Digital (exited, 0 → $20M revenue)

Maruša Fasano [CFO/Legal]
• 25+ years in finance, strategy, M&A
• Ex-CFO / M&A at Curatible (exited to Blackstone)
• Ex-president of the board at SotremoSA (exited)
• Co-founder / CFO at SoftOne (exited)

Your Role
We’re looking for a Mid/Senior AI Video Artist who’s comfortable editing compelling videos in a fast-moving environment and excels at managing their own production pipeline — from initial concept to audio, graphics, and color grading.

You’ll report directly to our CMO, Thomas. Here’s what the role involves:

Key Responsibilities

• Produce high-impact video ads tailored for different digital platforms (social media, adult sites), focused on user acquisition and engagement

• Lead editing and post-production for marketing videos, making sure they’re visually engaging, emotionally compelling, and built for conversions

• Work closely with marketing and creative teams to develop concepts and storyboards aligned with performance data and campaign goals

• Use AI tools like Midjourney, Stable Diffusion, Runway, and other generative video tech to boost creativity and speed up production

• Keep visual storytelling sharp while adapting to fast feedback and performance-driven iterations

• Optimize video content for different formats, aspect ratios, and channel-specific best practices

• Stay current with trends in short-form advertising and the adult / adult-adjacent space, bringing fresh and innovative ideas

• Ensure all content follows platform policies and brand guidelines while still pushing creative boundaries

Your Qualifications
Hard Skills

• 4+ years of video editing experience, with a strong portfolio of ads built for paid marketing campaigns

• Deep understanding of storytelling, pacing, motion design, and sound design in performance-driven creative

• Proven experience using generative AI tools like Midjourney, Stable Diffusion, Runway, etc., in your editing workflow

• Proficiency with editing software such as Adobe Premiere Pro, After Effects, or Final Cut Pro

• Strong awareness of trends in NSFW/adult content advertising — especially pre-roll ads, TikTok-style edits, and fast-paced performance creative

• Familiarity with ad KPIs (CTR, CR, CPM, ROAS) and the ability to optimize creative based on performance data

Soft Skills
🗣 Strong communication and collaboration skills (fluent in English)
🎯 Goal-oriented, with a sense of ownership and commitment
⚡️ Doer mindset — we move fast, and need people who balance execution, planning, and strategy
⏱️ Obsessed with speed, performance, and iteration
🧢 Humble — willing to learn and open to feedback
🍭 #NSFW — comfortable building products involving uncensored models and content

Bonus Points

• Prior experience in the adult, dating, or iGaming industries

Why EverAI?
📈 Exponential growth: from 50M users in 2 years to 100M next — and 500M beyond
🚀 Track record of category-creating innovation: we consistently launch world-first AI apps — setting the pace, not following
🌍 Global impact: top-tier user growth, real-world adoption, cultural relevance
🧠 Proven leadership: a senior team that’s launched, scaled, exited, and IPO’d multiple scale-ups — now fully focused on reshaping AI companionship
👥 Elite remote team: 100% remote and built to win — world-class talent from Tier 1 tech companies, with a culture of ownership, velocity, and radical creativity
🛡️ Ethical core: our AI ecosystem is governed by EverGuard, our proprietary AI moderation technology, ensuring responsible development at scale

What We Offer
✍️ Contract type: we prefer B2B, but we’re flexible — what matters is long-term commitment and impact
📍 Work from anywhere: fully remote — choose your ideal environment
🏝️ Paid time off: 4 weeks (20 working days) of PTO per year to recharge
👨‍👩‍👧‍👦 Annual gathering: a yearly in-person meetup to connect, brainstorm, and celebrate wins
❤️‍🩹 Health & wellness support: monthly $100 USD allowance for health insurance + unlimited 1:1 sessions with psychologists and lifestyle experts via OpenUp (also available for up to three family members)
🏢 Co-working space budget: work from a co-working space up to twice per month (€35 / $40 per visit)
📚 Learning budget: dedicated funds for courses, books, conferences, events, or certifications
💻 Equipment: company laptop + monitor budget up to $250 USD for your home setup
⚡ AI tools access: premium access to ChatGPT, Cursor, Hugging Face, Claude Code, and any other tools you need to excel

🎯 Top-Tier Talent Is Our Multiplier
We’re a fully remote group of A-players from Tier 1 tech, led by an executive team that’s launched, scaled, and exited multiple companies. We move fast and care deeply about what we build — and who we build it with.

We’re looking for exceptional talent ready to ship and distribute world-first AI products at scale, fast, and co-create this category-defining business with us.

If that sounds like you — reach out and apply.

💡 External Referral Program
Know someone perfect for this role? You can refer them through the EverAI External Referral Program and earn a bonus of up to $2,500 USD if they’re hired. Submit a referral here.

Description

Flutterwave is recruiting for treasury roles responsible for managing liquidity, capital allocation, and financial risk.

You’ll oversee financial operations across multiple markets and ensure optimal cash flow management.

Responsibilities

• Manage liquidity across payment systems
• Develop treasury strategies
• Monitor financial risks and exposures
• Optimize capital allocation
• Work with finance and executive teams

Requirements

• Background in finance or treasury management
• Experience in fintech or banking
• Strong analytical skills
• Knowledge of global financial systems

About the Role

Kora is seeking a Performance Marketing Specialist with strong experience in SEM and a passion for continuous learning in digital marketing.

This role is responsible for media planning and buying across social, search, and display platforms, managing paid campaigns, optimizing performance, and reporting results. You will also collaborate with cross-functional teams to ensure integrated digital strategies align with Kora’s business objectives.

Key Responsibilities

• Plan and execute paid digital media campaigns across all platforms.

• Optimize campaigns and manage reporting across digital touchpoints.

• Oversee Kora’s MarTech stack to connect marketing activities to business growth.

• Share insights from tracking tools to refine marketing strategies.

• Create high-converting PPC ads.

• Manage monthly budgets, billing reconciliation, and spend pacing.

• Drive performance growth to meet Kora’s OKRs.

• Report on KPIs and lead-generation initiatives.

• Map ad formats to advertising objectives.

• Explore new opportunities and experiments to drive growth.

• Test new channels and trends to build credibility.

• Contribute to marketing budget planning, recommendations, and pitch decks.

• Ensure a data-led approach with clear testing and adaptive strategies.

• Conduct market research and competitor analysis.

Requirements

You are qualified if you:

• Have 3+ years of experience in performance marketing.

• Possess extensive experience in fintech or financial services.

• Are proficient in data analysis and deriving insights.

• Have strong skills in Microsoft Excel, Word, PowerPoint, and Google Docs.

• Understand retargeting/remarketing and tag management.

• Are proficient in Google Ads and demand-side platforms (Eskimi, Admaven, Taboola).

• Have experience with Google Analytics, Mixpanel, and other reporting tools.

• Can leverage data, analytics, and consumer trends for actionable insights.

• Are goal-oriented with excellent communication skills.

• Are curious, collaborative, and a strong problem solver.

Reporting Structure: This role reports to the Head of Marketing.

Interview Process

The interview process is designed to be transparent and efficient, lasting a maximum of 3 weeks (average 2.5 hours total). All interviews are virtual.

• 👋 Introduction Stage – Initial conversations to understand your background.

• [15m] Recruiter Screen

• [7 days max] Take-home Assessment/Project

• Project Review – Marketing team feedback

• 🧑‍💻 [60m] Team Interview – Deep dive into professional background and cross-functional introductions.

• [60m] Cultural Fit Interview – With COO, Head of People & Culture, and team lead to assess alignment with Kora’s values.

Working Hours

This is a remote role with no location requirement. However, working hours must align with 9:00 am – 5:00 pm WAT for at least 40 hours per week.

Equal Opportunity Employer

Kora is committed to diversity and inclusion. Employment decisions are based on qualifications, experience, and business needs. We strongly encourage applications from underrepresented communities.

Benefits

• Health insurance

• Sponsored and tailored training

• Paid parental leave & time-off

• Flexible work style

• Annual performance bonus

• Low-interest loans

• Employee assistance programs

• Birthday day-off 🎂 🎉

• Employee resource groups & supportive communities

• Collaborative company culture

Kora is seeking a Senior Full-Stack Engineer to join our Innovation Team and lead the technical execution of new products, prototypes, and innovation projects.

This role involves coordinating both frontend and backend engineering, guiding technical decisions, supporting delivery, and ensuring products are built properly from idea to launch.

The ideal candidate is a strong full-stack engineer with leadership ability, product thinking, and experience (or strong interest) in emerging technologies such as AI, automation, blockchain, fintech, and payments.

Key Responsibilities

• Lead frontend and backend engineering direction for innovation projects.

• Build, review, and improve full-stack applications across web, APIs, databases, and integrations.

• Translate product ideas and business requirements into clear technical plans.

• Coordinate engineers to ensure smooth delivery.

• Define technical architecture, API structures, database design, and development standards.

• Support rapid prototyping, MVP development, pilot launches, and product improvements.

• Review code, unblock engineers, and improve engineering quality.

• Ensure scalability, security, reliability, and maintainability of products.

• Explore and apply emerging technologies (AI, blockchain, automation, payments).

• Support sprint planning, task breakdown, documentation, testing, and release readiness.

• Mentor engineers and promote a culture of ownership, speed, innovation, and quality.

Required Skills & Experience

• Strong experience as a Full-Stack Engineer.

• Frontend expertise with React, Next.js, Vue, or similar.

• Backend experience with Node.js.

• Experience building APIs, integrations, dashboards, and platforms.

• Database knowledge (PostgreSQL, MySQL, MongoDB, Redis).

• Experience with cloud platforms, deployment, CI/CD, and modern workflows.

• Strong understanding of software architecture, security, performance, and scalability.

• Ability to coordinate engineers and manage dependencies.

• Strong communication and documentation skills.

• Ability to thrive in a fast-moving innovation environment.

Preferred Experience

• Background in AI, automation, blockchain, fintech, payments, or SaaS.

• Experience with LLMs, AI agents, RAG systems, workflow automation, or API orchestration.

• Knowledge of wallets, stablecoins, smart contracts, digital assets, or Web3 infrastructure.

• Experience leading MVPs, pilots, prototypes, or early-stage product development.

• Cross-functional collaboration with product, design, data, AI, and business teams.

What Success Looks Like

• Innovation projects are delivered faster with strong engineering structure.

• Frontend and backend teams are well coordinated.

• Products built with clear architecture, documentation, and quality standards.

• Engineers unblocked quickly and supported effectively.

• MVPs and pilots move smoothly from concept to launch.

• Practical adoption of new technologies that create real business value.

Ideal Candidate

The ideal candidate is a hands-on builder and technical leader who can turn ideas into working products. They should be comfortable writing code, guiding engineers, making technical decisions, and working across product, AI, data, and business teams.

Curiosity, practicality, and innovation are key, especially for building products at the intersection of AI, fintech, payments, automation, and blockchain.

Benefits

• Health insurance

• Sponsored and tailored training

• Paid parental leave & time-off

• Flexible work style

• Low-interest loans

• Group Life Insurance

• Up to four therapy sessions monthly

• Birthday day-off 🎂 🎉

• Employee interest groups & supportive communities

• Collaborative company culture

Equal Opportunity Employer

Kora is committed to diversity and inclusion. Employment decisions are based on qualifications, experience, and business needs. We strongly encourage applications from underrepresented communities.

About the Role

Kora is hiring a Cybersecurity GRC Analyst to strengthen its information security governance, risk management, and compliance programs. This role ensures that security policies, controls, and processes align with regulatory requirements, industry standards, and business objectives.

The analyst will assess risks, support audits, and help drive a strong security and compliance culture across the organization.

Key Responsibilities

• Develop and maintain security policies aligned with ISO 27001, NIST CSF, and CIS Controls.

• Support implementation and monitoring of governance programs.

• Drive security awareness initiatives and compliance culture.

• Conduct enterprise, vendor, application, and infrastructure risk assessments.

• Maintain and update the organization’s risk register.

• Perform control gap assessments and recommend remediation.

• Support vendor risk management.

• Track and report on risk treatment plans.

• Ensure compliance with PCI DSS, SOC 2, GDPR, and other regulations.

• Coordinate internal and external audits, including evidence collection.

• Monitor compliance posture and track remediation of findings.

• Assist in compliance reporting and dashboard preparation.

• Collaborate with IT and security teams to ensure effective controls.

• Support incident response from a compliance perspective.

• Conduct control testing and continuous monitoring.

• Maintain accurate documentation of policies, risks, and controls.

Requirements

• 2–4 years’ experience in cybersecurity, IT risk, compliance, or audit.

• Bachelor’s degree in a relevant field.

• Strong knowledge of frameworks (ISO 27001, NIST, SOC 2, PCI DSS).

• Experience with risk assessment methodologies and control frameworks.

• Familiarity with regulatory requirements (financial services, data protection laws).

• Experience with GRC tools.

• Excellent communication and interpersonal skills.

• Positive attitude and ability to work under pressure.

Key Skills

• Strong analytical and risk assessment mindset.

• Attention to detail and documentation skills.

• Effective communication and stakeholder management.

• Ability to translate technical risks into business impact.

• Organizational and project management abilities.

• Integrity, professionalism, and continuous learning.

Benefits

• Health insurance

• Sponsored and tailored training

• Paid parental leave & time-off

• Flexible work style

• Low-interest loans

• Group Life Insurance

• Up to four therapy sessions monthly

• Birthday day-off 🎂 🎉

• Employee interest groups & supportive communities

• Collaborative company culture

Equal Opportunity Employer

Kora is committed to diversity and inclusion. Employment decisions are based on qualifications, experience, and business needs. We strongly encourage applications from underrepresented communities.

About the Role – SOC Analyst

As a SOC Analyst, you will play a critical role in safeguarding Kora’s security posture. You’ll monitor, detect, analyze, and respond to cybersecurity threats in real time, leveraging advanced tools and processes to mitigate risks.

Key Responsibilities

• Monitor security events via SIEM, EDR, IDS/IPS, firewalls, and cloud tools.

• Analyze logs and alerts to identify anomalies.

• Perform triage to assess severity and impact.

• Escalate validated incidents per defined procedures.

• Investigate and respond to threats (phishing, malware, unauthorized access).

• Collaborate with IT and engineering teams to contain and remediate incidents.

• Document incidents, actions, and lessons learned.

• Conduct post-incident reviews and root cause analysis.

• Leverage threat intelligence feeds to detect emerging risks.

• Perform proactive threat hunting.

• Update detection rules and use cases.

• Support vulnerability management and patch validation.

• Prepare SOC reports and dashboards.

• Develop and update incident response playbooks.

Requirements

• 2–4 years’ experience in SOC, cybersecurity, or IT security.

• Bachelor’s degree in a relevant field.

• Hands-on experience with SIEM (Splunk, QRadar), EDR (CrowdStrike, Defender), and firewalls.

• Strong understanding of network protocols, operating systems, and attack vectors.

• Familiarity with incident response frameworks (MITRE ATT&CK, NIST, ISO 27001).

• Scripting/automation skills (Python, PowerShell, Bash) preferred.

• Excellent communication and interpersonal skills.

• Positive attitude and resilience under pressure.

Key Skills

• Analytical and investigative mindset.

• Ability to thrive in a fast-paced, 24/7 environment.

• Attention to detail and critical thinking.

• Strong documentation and communication abilities.

• Team collaboration across functions.

• Continuous learning to stay ahead of evolving threats.

Benefits

• Health insurance

• Sponsored training tailored to your growth

• Paid parental leave & time-off

• Flexible work style

• Low-interest loans

• Group life insurance

• Up to four therapy sessions monthly

• Birthday day-off 🎂 🎉

• Employee interest groups & supportive communities

• Inclusive company culture with a collaborative team

Equal Opportunity Employer

Kora is committed to diversity and inclusion. Employment decisions are based on qualifications, experience, and business needs. We strongly encourage applications from underrepresented communities.