Staff Java Engineer (Contract) at Mineral

London, England, United Kingdom

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

FinTech, PaymentsIndustries

Requirements

Proven experience as a Staff or Lead Engineer in backend-heavy environments in teams having multiple levels of engineering
Strong experience in Java 17+, ideally with experience in using Spring Boot or Micronaut
Hands-on knowledge of Kafka, event-driven architecture, enterprise integration patterns and microservices
Solid understanding of payment systems and PSP integrations, including fraud, tokenisation, and settlement flows
Experience with cloud infrastructure (Azure preferred), CI/CD, and Kubernetes
Working knowledge of regulatory and compliance standards (PCI DSS, SCA, PSD2)
Strong communication skills and the ability to explain complex technical concepts to a range of audiences
Experience working in Agile/Scrum teams with a DevOps culture and test-driven mindset
Ability to work onsite at the client office in Paddington, London, two days a week

Responsibilities

Lead the design and delivery of scalable, resilient systems that integrate with Payment Service Providers (PSPs)
Own and drive architectural decisions and influence engineering best practices across teams on multiple projects
Guide teams on system design patterns, event-driven architecture, and secure development practices
Lead technical deep dives and knowledge sharing, anticipating challenges and proposing solutions
Influence product and business decisions
Write high-quality Java code using frameworks such as Spring Boot or Micronaut
Build robust services that support secure, high-volume payment transactions
Develop integrations with acquiring banks, payment gateways, and fraud detection tools
Build and support cloud-native systems on the cloud (preferably Azure) using Terraform and Kubernetes
Manage CI/CD pipelines using GitHub Actions and ensure smooth delivery to production
Own monitoring, alerting, and observability using tools like OpenTelemetry and Dynatrace
Ensure systems are compliant with PCI DSS, PSD2, and SCA
Champion secure coding practices and data protection across services
Work closely with product owners, engineering leads, and stakeholders to shape technical solutions
Mentor and support junior/mid/senior engineers, driving technical excellence
Help establish and promote best practices around code review, testing, delivery, and operational support
Continuously improve platform reliability, performance, and cost-efficiency
Stay up-to-date with technology trends and proactively identify innovation opportunities

Skills

Key technologies and capabilities for this role

JavaSpring BootMicronautTerraformKubernetesAzureGitHub ActionsOpenTelemetryDynatracePCI DSS

Questions & Answers

Common questions about this position

What is the work arrangement and location for this role?

This is a hybrid role requiring you to work onsite at the client office in Paddington, London two days a week.

What is the salary or compensation for this position?

This information is not specified in the job description.

What are the key skills required for this Staff Java Engineer role?

Key requirements include proven experience as a Staff or Lead Engineer, strong Java 17+ experience with Spring Boot or Micronaut, hands-on knowledge of Kafka and event-driven architecture, understanding of payment systems and PSP integrations, and experience with cloud infrastructure like Azure, CI/CD, and Kubernetes.

What is the employment type and duration for this position?

This is a three-month rolling contract that sits outside IR35.

What kind of experience makes a strong candidate for this role?

Strong candidates have experience in backend-heavy environments with multiple engineering levels, payment systems including fraud and tokenisation, regulatory compliance like PCI DSS and PSD2, plus strong communication skills in Agile/DevOps teams.

Mineral

Develops AI tools for sustainable agriculture

About Mineral

Mineral.ai develops technology solutions aimed at improving the agriculture industry. The company utilizes perception technology, artificial intelligence (AI), and machine learning (ML) to create tools that help farmers, researchers, and agricultural advisors increase crop yields, manage pests, and adapt to climate change. Their products include precision agriculture tools that optimize resource use and advanced data analytics platforms that provide insights from agricultural data. Unlike many competitors, Mineral.ai focuses on creating partnerships within the agriculture sector to co-develop solutions, enhancing their product offerings. The goal of Mineral.ai is to support sustainable food production and help feed the world more efficiently.

Mountain View, CaliforniaHeadquarters

N/AYear Founded

VENTURE_UNKNOWNCompany Stage

Food & Agriculture, AI & Machine LearningIndustries

51-200Employees

Risks

Transition from Alphabet may lead to financial instability and resource loss.

Licensing model could reduce control over technology application and revenue stability.

Difficulty in monetizing technology indicates challenges in creating durable revenue streams.

Differentiation

Mineral.ai uses AI and ML to revolutionize agriculture with precision tools.

The company partners with industry leaders like Driscoll's for real-world technology applications.

Mineral.ai's licensing model allows broad integration into existing agribusiness systems.

Upsides

Licensing model increases market reach and technology integration in agribusiness.

Partnerships with companies like Driscoll's enhance technology application and sustainability goals.

Growing interest in agrivoltaic systems offers new partnership opportunities for Mineral.ai.

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