Senior Software Development Engineer in Test (SDET) - Midnight

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Overview IOG is a technology company focused on Blockchain research and development. We are renowned for our scientific approach to blockchain development, emphasizing peer‑reviewed research and formal methods to ensure security, scalability, and sustainability. Our projects include decentralized finance (DeFi), governance, and identity management, aiming to advance the capabilities and adoption of blockchain technology globally. We invest in the unknown, applying our curiosity and desire for positive change to everything we do. By fueling creativity, innovation, and progress within our teams, our products and services are designed for people to be fearless, to be changemakers.

About Midnight IOG\'s Midnight Tribe is a business technology provider and core contributor to the Midnight Network, a blockchain platform for developing decentralized applications that safeguard personal and commercial data. The Midnight Network is the first blockchain to offer programmable data isolation by leveraging zero-knowledge (ZK) proofs to enable selective disclosure of what information is visible on-chain and is designed to help developers implement necessary business policies, such as meeting regulatory requirements.

What the role involves We are looking for an experienced Senior Software Development Engineer in Test (SDET) who will be a key contributor on the Midnight team developing leading edge technology in one of the most exciting fields in the world. As a Senior SDET, you will play a pivotal role in ensuring the reliability, security, and performance of our cutting-edge blockchain solutions. You will collaborate closely with the Head of QA to design, implement, and execute robust test strategies, contributing to the success of our blockchain products. Most importantly, you will be a person who shows strong initiative and has a proactive approach to Quality Assurance across the SDLC.

Key responsibilities

Develop and execute a comprehensive testing strategy for our blockchain solutions, encompassing functional, performance, security, and integration testing

Review Team Test Plans and oversee the general QA Strategy for each of the scrum teams/squads

Lead the testing of new initiatives, and guide other team members in how to approach, execute and report on new areas of testing

Implement and maintain continuous integration (CI) and continuous deployment (CD) pipelines for automated testing

Develop and maintain automated test scripts using relevant testing frameworks and tools

Conduct manual testing when necessary, including exploratory testing, regression testing, and ad-hoc testing

Identify, report, and track defects to resolution

Perform root cause analysis of defects and work with development teams to implement timely solutions

Set up and maintain test environments, including test data and test configurations

Plan and conduct performance testing to assess scalability, reliability, and responsiveness of our blockchain solutions

Maintain accurate and up-to-date test documentation, including test plans, test cases, and test reports

Contribute to the development and enhancement of test automation frameworks

Collaborate closely with cross-functional teams, including software developers and product managers, to ensure the testability, reliability, and scalability of our products

Qualifications

Proficient in automation skills, including the ability to write automated test scripts and establish and maintain CI/CD pipelines

Knowledgeable about Cardano smart contract technologies, Plutus and the Marlowe programming language

Possess strong understanding of blockchain technology, including consensus algorithms and smart contracts (a plus)

Knowledgeable about software development life cycle (SDLC) methodologies, including Agile and DevOps practices

Bachelor\'s degree in computer science, software engineering, or a related field (advanced degrees are a plus)

Proven experience as an SDET or in a similar quality assurance/testing role

Experience in test automation for front-end/back-end and end-to-end systems

Experience working with Git, SDLC, and various CI/CD tools (e.g., GitHub Actions)

Experience as QA Lead desired but not essential

Experience in performance and security testing is a plus

Experience with API testing

Experience in distributed systems and computer networks would be beneficial

Expertise in libraries, tools, and procedures for executing and automating various types of tests (e.g., unit tests, property tests, model-based tests, integration tests, end-to-end tests, UI tests, performance tests, stress tests, fault tolerance tests)

Experience with TypeScript, Javascript, Rust, or other programming languages is advantageous

Familiarity with Virtualization using Docker

Proficiency with Linux

Benefits

Remote work

Laptop reimbursement

New starter package to buy hardware essentials (headphones, monitor, etc)

Learning & Development opportunities

Competitive PTO

At IOG, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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Location:
London
Salary:
£125,000 - £150,000
Category:
IT & Technology

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