What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, there are nearly 200 of us working remotely from over 45+ countries.

View all our open positions here: https://www.nethermind.io/open-roles

About Twinstake

Twinstake is a leading institutional staking provider which offers unrivaled knowledge and experience of the institutional market from our founding heritage coupled with deep crypto expertise and technology from our team of core devs and industry veterans.

We stand out in:

Compliance and Risk Mitigation
Non-custodial Solution
Enhanced Reporting and Data
Optimized Performance
Premier Service

About the role

We are seeking a back-end software engineer for our platform team who is passionate about developing robust and scalable back-end systems. This role is pivotal in building and maintaining the technological backbone of our services, including API development, database management, and CI/CD processes. Your expertise will ensure our platform's reliability, performance, and alignment with our compliance and risk mitigation strategies.

What you’re good at:

Design and implement back-end services, including APIs, microservices, and database schemas, to support front-end applications and enhance user experience
Lead the development and maintenance of CI/CD pipelines to streamline deployment and ensure high-quality code releases
Manage database migrations and optimizations to ensure data integrity, performance, and scalability
Collaborate with front-end developers and product managers to define and meet project requirements, creating a seamless workflow between back-end and front-end components
Advocate for and implement best practices in back-end development, including code reviews, testing, and security measures
Participate in the planning and execution of DevOps strategies, working towards improving infrastructure automation and monitoring
Troubleshoot, debug, and upgrade existing systems, ensuring they meet the latest security and technology standards
Stay abreast of emerging technologies and methodologies in back-end development, CI/CD, DevOps, and the crypto industry to continuously improve our platform

What you bring:

Proven experience as a back-end developer, with a strong background in developing scalable and secure web applications
Expertise in back-end languages and frameworks, Python preferred but will also consider other technologies (e.g. Java)
Solid experience with database design, management, and migration strategies for relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Cassandra)
Understanding of good software architecture (including cloud-native and serverless architectures).
Proficient in implementing CI/CD pipelines using tools like GitHub Actions
A strong understanding of API development principles and experience building RESTful services
Interest in DevOps practices and experience with infrastructure as code (IaC) tools (e.g., AWS CDK, Terraform, Ansible) is highly desirable
Experience in the crypto industry with an understanding of blockchain technologies and ideally staking mechanisms
Excellent problem-solving skills and the ability to work in a fast-paced, dynamic environment
Strong communication skills and the ability to collaborate effectively with cross-functional teams

What makes you stand out:

Contributions to open-source projects or active participation in the software development community
Experience with containerization and orchestration technologies (e.g., Docker, Kubernetes)

What we offer:

Exposure to innovative technologies in cryptocurrency and blockchain technology
Great internal growth and development
Competitive compensation, benefits, and perks
Flexible hybrid working

Disclaimer: I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) (the “Company”) for recruitment purposes in relation to both the selected job role and any other role the Company considers me a qualified candidate for. All data storing and processing by the Company takes place in accordance with the UK GDPR. Kindly refer to our privacy policy for more details.
Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent please contact: legalnotices@nethermind.io

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Kindly note, that by submitting your application, you hereby consent to sharing your personal information for recruitment purposes with the following entities: 1. Demerzel Solutions Limited (t/a Nethermind), a private limited company incorporated in England and Wales, with its registered address at 30 Churchill Place, London E14 5EU; 2. Twinstake UK Limited, a private limited company incorporated in England and Wales, with its registered address at 1st Floor 48 Chancery Lane, London WC2A 1JF; and 3. Twinstake Limited, a limited liability company incorporated in the Cayman Islands, with its registered address at Walkers Corporate Limited, 190 Elgin Avenue, George Town, Grand Cayman, KY1-9008, Cayman Islands. *

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I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) and Twinstake UK Limited for recruitment purposes in relation to both the selected job role and any other role the companies consider me a qualified candidate for. All data storing and processing takes place in accordance with the UK GDPR. Kindly refer to the privacy policies for more detail: Nethermind; Twinstake. Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent, please get in touch with legalnotices@nethermind.io and legal@twinstake.io.

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Backend Software Engineer, Twinstake

What are we all about?

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