How you'll help us achieve it

Wave is now the largest financial institution in Senegal and Côte d'Ivoire, with millions of users, growing rapidly year-on-year. And, we’re still in the early days of our product roadmap and potential impact on people’s everyday lives.

We’re looking for an experienced security engineer who’s independent, excited about getting things done, and ready to hit the ground running. You'll primarily be responsible for our application security, working with our product teams to work on new systems to enhance our security posture. Our customers trust us with their money, and you’ll be at the forefront of making sure we retain that trust!

This broadly scoped role will allow you to get your hands on many different types of security projects, from direct application security to helping our infrastructure team think about security for our databases. 

Some experience with common industry certifications like ISO-27001 and PCI-DSS would be beneficial, although you won’t be expected to run or oversee audits.

Our to-do list changes constantly, but here are some recent projects and activities:

• Centralise application-level login and permissions enforcement
• Configure and utilise external SIEM solutions to monitor our infrastructure
• Help us increase our posture around secret management
• Security review of our public-facing APIs
• Partner with teams across Wave to define secure guardrails, supporting investigations and incident response
• Work with our IT Team to fix any non-conformities found during audits by central banks and ISO certification

Our stack (prior experience is a strong plus, but not required):

• backend: Python 3 (+ mypy)
• API layer: GraphQL
• android frontend: Kotlin/Jetpack
• iOS frontend: Swift/SwiftUI
• web frontend: TypeScript/React
• database: Postgres/CockroachDB
• infrastructure: GCP/Terraform
• orchestration: Kubernetes

Key Details

• This is a fully remote role. Candidates must be based in one of our talent hub countries (UK, Spain, Kenya and Ghana) or in one of our operating markets in Africa including Senegal, Côte d'Ivoire, or Burkina Faso.
• Wave provides a yearly $1,200 stipend to support coworking meetups with teammates.
• Remote team members are expected to travel to our operational markets (e.g. Senegal or Côte d'Ivoire) at least once a year. Exceptions apply, but we’ve found this key to understanding our users and product.
• Our salaries are competitive and are calculated using a transparent formula. For this role, depending on your level and location, we offer a salary of up to $227,900 USD, plus a generous equity package.
• Major benefits:
  • Subsidized health insurance for you and your dependents and retirement contributions (both vary from country to country).
  • 6 months of fully paid parental leave and subsidized fertility assistance.
  • Flexible vacation, with most folks taking between 21-30 days exclusive of statutory holidays.
  • $10,000 annual charitable donation matching.

Requirements

• Minimum of 5 years of professional experience with a minimum of 2 years of it spent in a security-related role.
• Strong Experience with Python.
• Fluent English.

You might be a good fit if you

• Are excited about finding the right balance between security and velocity. 
• Push through hard problems without giving up.
• Have experience remediating non-conformities.
• Enjoy helping other engineers understand and implement secure patterns.
• Are not afraid to take on complicated systems.
• Are excited to work on lots of different security-related work, from audits to code refactors. 
• Work to make things easier for the next engineer who will touch your code.
• Always try to improve as a programmer and colleague.
• Are interested in security-focused source code review and penetration testing.
• Have an interest in growing and mentoring a team.

About engineering at Wave

We care about the big picture. We don’t hire engineers to just ship tickets. We hire them to solve problems. That means caring deeply about outcomes, understanding context, and jumping in wherever something’s broken, even if it’s technically “not your area.” When we see problems, inefficiencies, or opportunities to make something better, we act. We dig into operational issues, clarify fuzzy product specs, or step into unfamiliar code to help unblock teammates.

We move as fast as possible. Speed matters. It lets us try things quickly, get feedback early, and course-correct while it’s cheap. So we write small PRs. We aim for MVPs. We leave TODOs and file follow-ups. We don’t over-perfect v1. That said, we’re building a financial product. Some things—like money movement, correctness, or security—deserve more caution.

We like boring technology. We favor tools that are reliable, well-understood, and easy to debug. This keeps us focused on solving meaningful problems instead of wrestling with unpredictable infrastructure. If a new technology helps us move faster, build safer, or solve a real need, we’ll consider it. But we don’t adopt tools just because they’re new—we adopt them because they’re right.

Simplicity is a strategy. It lets us focus our energy where it matters most: serving our users.

#LI-DH1 #LI-REMOTE

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity.  

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

The responsibilities of our Platform team include building and maintaining all backend services, including, but not limited to, payments, analytics, subscriptions, new products, text to speech, and external APIs.

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, is passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. 

Our interview process involves several technical interviews and we aim to complete them within 1 week. 

What You’ll Do

• Design, develop, and maintain robust APIs including public TTS API, internal APIs like Payment, Subscription, Auth and Consumption Tracking, ensuring they meet business and scalability requirements
• Oversee the full backend API landscape, enhancing and optimizing for performance and maintainability
• Collaborate on B2B solutions, focusing on customization and integration needs for enterprise clients
• Work closely with cross-functional teams to align backend architecture with overall product strategy and user experience

An Ideal Candidate Should Have

• Proven experience in backend development: TS/Node (required)
• Direct experience with GCP and knowledge of AWS, Azure, or other cloud providers
• Efficiency in ideation and implementation, prioritizing tasks based on urgency and impact
• Preferred: Experience with Docker and containerized deployments
• Preferred: Proficiency in deploying high availability applications on Kubernetes

What We Offer

• A dynamic environment where your contributions shape the company and its products
• A team that values innovation, intuition, and drive
• Autonomy, fostering focus and creativity
• The opportunity to have a significant impact in a revolutionary industry
• Competitive compensation, a welcoming atmosphere, and a commitment to an exceptional asynchronous work culture
• The privilege of working on a product that changes lives, particularly for those with learning differences like dyslexia, ADD, and more
• An active role at the intersection of artificial intelligence and audio – a rapidly evolving tech domain

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace. 

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

About this job

Teamwork plays an integral role in the success of our tech strategy.  In JUMO, our teams have exposure to a broad range of the best new technology, and are trusted with the autonomy and flexibility to explore, innovate and find creative solutions to interesting challenges.  With this, everyone has the opportunity to contribute to our mission of enabling equal access to finance opportunities.  We have chosen our tech stack carefully and believe in using the best tools out there.

Our software engineering team is responsible for building our market-leading banking as a service platform & products, enabling real-time access to funds at the lowest possible operating cost.  When integrated into JUMO’s platform, it enables our partners to offer loans, savings and a wide range of financial choices to a new group of customers.

As a Junior Software Engineer, you will be accountable for solving complex technical problems with solutions that are scalable, testable, maintainable, and efficient, whilst continuing to improve our engineering practices. This position reports to a Tech Lead.

You will

• You will deliver across the SDLC to build a highly scalable distributed system
• Assist in defining the team's roadmap in line with the company and technology vision.
• Architect services and systems using well accepted design patterns to allow for iterative, autonomous development and future scaling.

• Design, implement, test, deploy, and support our products and services.
• Review code developed by other developers and provide feedback.  
• Guide the team to consistently write production-ready code that is easily testable, easily understood by other developers and accounts for edge cases and errors.
• Anticipate and communicate blockers, delays and cost ballooning within their team’s projects, before they require escalation.
• Contribute to existing documentation or educational content and drive best practices and engineering excellence.

You will need

• 1 - 2 years’ of experience with Kotlin / Java / Scala, and a cloud-based infrastructure, ideally AWS. Python experience will be an added advantage.
• Experience designing, developing and testing software.
• Some experience with the design and development of high-volume/low-latency services.
• Business and operational awareness.
• Good communication skills & EQ – able to work in a diverse team.

We ask a lot of each other at JUMO, but we give a lot too.

You will love

• Work in an agile cross-functional team, delivering quality code you can be proud of.
• Work with a modern but pragmatic Tech Stack (i.e. Kotlin + Spring Boot for Backend, TypeScript + React for Web and Mobile, Docker, Terraform, Kubernetes, Kafka, Flink, Datadog, GitHub Actions + ArgoCD for CI/CD, AWS), building a highly scalable distributed system
• Ensure consistency and accuracy when required.
• Led and supported by an experienced, hands-on Tech Lead.
• Collaborating with smart, engaging people.
• Working for impact.
• Growing and learning continuously, with loads of encouragement and support.
• Boldly taking risks as we navigate new challenges.
• Flexible work practices enabling your best delivery.
• Being autonomous and empowered to lead.

Remote First

Our environment is designed to foster innovation and enable collaboration. We operate a remote-first approach that enables us with the flexibility to work and live where we are most productive. We work between the UTC and UTC+3 time zones and currently have team members based in South Africa, Portugal and Kenya.

Diversity and Inclusion

At JUMO, we firmly believe that diversity strengthens our teams. We are dedicated to fostering an inclusive recruitment process that cultivates an environment where all individuals can be authentic, collaborate, and thrive.

About this job

Teamwork plays an integral role in the success of our tech strategy.  In JUMO, our teams have exposure to a broad range of the best new technology, and are trusted with the autonomy and flexibility to explore, innovate and find creative solutions to interesting challenges.  With this, everyone has the opportunity to contribute to our mission of enabling equal access to finance opportunities.  We have chosen our tech stack carefully and believe in using the best tools out there.

Our software engineering team is responsible for building our market-leading banking as a service platform & products, enabling real-time access to funds at the lowest possible operating cost.  When integrated into JUMO’s platform, it enables our partners to offer loans, savings and a wide range of financial choices to a new group of customers.

As a Software Engineer, you will be accountable for solving complex technical problems with solutions that are scalable, testable, maintainable, and efficient, whilst continuing to improve our engineering practices. This position reports to a Tech Lead.

You will

• Deliver across the SDLC to build a highly scalable distributed system.
• Assist in defining the team's roadmap in line with the company and technology vision.
• Architect services and systems using well accepted design patterns to allow for iterative, autonomous development and future scaling.
• Design, implement, test, deploy, and support our products and services
• Review code developed by other developers and provide feedback.  Guide the team to consistently write production-ready code that is easily testable, easily understood by other developers and accounts for edge cases and errors.
• Anticipate and communicate blockers, delays and cost ballooning within their team’s projects, before they require escalation.
• Contribute to existing documentation or educational content and drive best practices and engineering excellence

You will need

• A Computer Science degree
• Experience with Kotlin / Java / Scala, and a cloud-based infrastructure, ideally AWS. Python experience will be an added advantage
• Experience designing, developing and testing software
• Extensive hands-on experience with the design and development of high-volume/low-latency services
• Business and operational awareness
• Good communication skills & EQ – able to work in a diverse team

We ask a lot of each other at JUMO, but we give a lot too.

You will love

• Work in an agile cross-functional team, delivering quality code you can be proud of
• Work with a modern but pragmatic Tech Stack (i.e. Kotlin + Spring Boot for Backend, TypeScript + React for Web and Mobile, Docker, Terraform, Kubernetes, Kafka, Flink, Datadog, GitHub Actions + ArgoCD for CI/CD, AWS), building a highly scalable distributed system
• Develop as a mentor, helping your junior colleagues grow as professionals
• Ensure consistency and accuracy when required
• Led and supported by an experienced, hands-on Tech Lead
• Collaborating with smart, engaging people
• Working for impact
• Growing and learning continuously, with loads of encouragement and support
• Boldly taking risks as we navigate new challenges
• Flexible work practices enabling your best delivery
• Being autonomous and empowered to lead

Remote First

Our environment is designed to foster innovation and enable collaboration. We operate a remote-first approach that enables us with the flexibility to work and live where we are most productive.

We work between the UTC and UTC+3 time zones and currently have team members from South Africa, Portugal and Kenya.

Diversity and Inclusion

At JUMO, we firmly believe that diversity fortifies our teams. We are dedicated to fostering an inclusive recruitment process that cultivates an environment where individuals from all walks of life can collaborate, thrive, and express their authentic selves.

About One Acre Fund

Founded in 2006, One Acre Fund equips 5.5 million smallholder farmers to make their farms more productive. Across nine countries that together are home to two-thirds of Africa's farmers, we provide high-quality farm supplies, tree seedlings, accessible credit, modern agronomic training, and a wide range of other agricultural services. On average, this model enables any farmer to increase their income and assets on supported land by more than 35 percent, while permanently improving their resilience. This is all made possible by our team of 9,000+ full-time staff, drawn from diverse backgrounds and professions.

To learn more, please see our Why Work Here blog post.

About the Role

We believe that new technology is critical to building the most effective rural distribution network on the African continent. Today, we reach over 1.6 million farm families and we aspire to serve more than 10 million households in the coming decade. Reporting to the Chief Technology Officer, you will lead the development of our technology, focusing on a mobile tech transformation: providing our field staff with the mobile-based tools to reach more farmers; developing scalable, direct communication channels with farmers to improve customer service; and digitizing and decentralizing data collection tools to speed up data flows and improve efficiency.

We are looking for someone with the technical experience to bring this vision to life; the Director of Engineering will transform our technology into a core organizational strength, working through several development teams that cross our tech stack

Responsibilities

• Own the tech stack and overall architecture and strategic direction: You will guide our team to work toward a common vision of our tech stack, ensuring a robust solution across all of our technical needs whether back-office, client-facing, or business intelligence needs.
• Lead efficient delivery of impactful software products: Provide detailed, hands-on guidance for tech projects based on an intimate understanding of our clients and internal users. Maintain a robust and well-documented architecture, balancing elegant design with practical requirements across our functional needs.
• Leverage Talent into an Agile Center of Excellence: Support a talented team to work at their best - support Agile processes that go beyond scrum ceremonies to drive efficiency and excellence in all areas. Use new technologies to support the velocity and quality of deployments.
• Develop Leaders and Build Team: Manage a leadership team of ~5 senior-level direct reports, and increase career growth and performance across the division.
  • Grow the careers of leaders across the tech division through weekly check-ins and workshops, ongoing development feedback, and regular career reviews.
  • Provide technical mentorship to the team.
  • Lead recruitment efforts to ensure we are building our team with top talent.
  • Set clear performance expectations and support the team to build itself as a center of excellence.

Career Growth and Development

We have a strong culture of constant learning and we invest in developing our people. You’ll have weekly check-ins with your manager, access to mentorship and training programs, and regular feedback on your performance. We hold career reviews every six months, and set aside time to discuss your aspirations and career goals. You’ll have the opportunity to shape a growing organization and build a rewarding long-term career.

Qualifications

Across all roles, these are the general qualifications we look for. For this role specifically, you will have:

• 10+ years of industry experience with 5+ years leading and managing technology teams.
• Experience working with mobile technology solutions.
• Passion for providing hands-on execution guidance for large teams.
• Experience managing Agile software engineering teams successfully deploying solutions to support complex processes.
• Experience translating complex customer needs into high-quality tech solutions that deliver impact.
• Experience with our tech (C# .Net Core, CouchBase, React Native, and Kubernetes) and our tooling landscape (GitHub, JIRA, and Azure DevOps).
• Humility. We are looking for a passionate professional who combines a focus on excellent performance with good humor, patience, and a service mindset interested in joining our family of leaders.
• Language: English is required in all locations.

Preferred Start Date

As soon as possible

Job Location

Nairobi, Kenya; or Kigali, Rwanda (these two locations are preferred but we are open to locations within our program countries)

Benefits

Health insurance, housing, and comprehensive benefits

Eligibility

One Acre Fund can support a work permit for this role. However, nationals of (or those with an extensive professional background and work history in) our countries of operation are preferred.

Application Deadline

9 February 2026

One Acre Fund never asks candidates to pay any money or pay for tests at any stage of the interview process. Official One Acre Fund emails will always arrive from an @oneacrefund.org address. Please report any suspicious communication here (globalhotline@oneacrefund.org), but do not send applications or application materials to this email address.

Diversity, Equity, Inclusion (DEI), and anti-racism are deeply connected to our organization’s mission and purpose. One Acre Fund aspires to build a culture where all staff feel consistently valued, represented, and connected – so that our team can thrive as professionals, and achieve exceptional impact for the farmers we serve.

We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender, gender identity or expression. We are proud to be an equal opportunity workplace.