Senior JAVA Developer
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Position Overview & Specifications
A London-based Start-up is building an innovative and disruptive Blockchain platform and creating one of the most commonly used Open-source Library to help and succeed their clients with various Blockchain deployments This is a fully remote role and requires fluency in written and verbal English. Working in small teams you'll work closely with our clients on their Blockchain projects and deliver increased value to the Blockchain community with our software.
We are looking for an experienced Senior JAVA/Kotlin Opensource (Web3 libraries) developer to enhance and, in this role, Youβll get an opportunity to not just work on highly popular Open-Source software, but also help build cutting edge development tooling. This is also a fantastic opportunity to be part of a fast-growing company.
You will be reporting directly to the CTO based in the UK. As Senior Blockchain Developer, you'll participate in all development aspects of the solution. This is a full-time permanent role for a true self-starter.
As our Senior JAVA/Kotlin Opensource (Web3 libraries) you'll be responsible for
You will be responsible for all things needed to help progress the Web3j library, related tools and documentation- Working on a highly popular open-source S/w and also contributing to its further development and enhancements.
- Demonstrable development track record - active GitHub profiles are great,
- Great communication skills - you need to be happy to collaborate with your peers and speak with our clients
- Used to working in an agile environment - we follow an agile methodology for delivery and use continuous delivery pipelines
- Keen to work with other technologies - although your primary role will entail Java development, you should be just as happy to work with Kotlin and get your hands dirty with deployment pipelines and other challenges that present themselves.
- Self-starter - we're a remote team, so you need to be very comfortable working remotely and getting the most out of collaboration tools such as Zoom, Slack, Trello.
What do we value?
Minimum 3 + years of experience working with Java or Kotlin,- Minimum 3 + years of experience with Git (Github, Bitbucket, or similar)
- Experience with Gradle, Maven, Intellij, and other related technologies - 2+ years is good to have,
- Interest in blockchain technologies and frameworks is nice to have
- Proven interest in using or working on Web3 libraries (ethers.js, truffle, web3js, web3j, ..)
- Experience collaborating in an Agile work environment.
- Excellent verbal and written communication in English and strong cross-cultural communication.
Willingness to learn new disciplines, problem solver, proactive, and overall well-grounded engineer.
Nice to have
Hands-on experience with peer-to-peer and distributed systems- Hands-on experience with Solidity
- Hands-on experience with Geth, Besu, or equivalent
- Knowledge of inner working of EVM or other blockchains
What is on offer?
Participate in an open, fun, entrepreneurial, and creative company culture
- Global organization and international opportunities
- Work from the location of your choice
- Competitive Salary
- Feature ownership combines data and customer feedback to create meaningful solutions to the everyday problems our users face.
- Unlimited annual leave; we do our best work when we're feeling refreshed so take the time you need to relax!
- Flexible working: we trust you to work whenever and wherever you feel most productive.
- Found a great book, meetup, or conference? Weβll pay for the tools and resources to support your continued learning!
- BYOD β You are welcome to work from your own choice of laptop
Who are we?
We are RemoteStar, a team of experienced engineering and people managers on a mission to transform the future of work.
Weβre not a typical workplace. At RemoteStar, we believe in data-driven decision-making and the importance of flexibility, fun, passion, personal growth, and transparency. And weβre doing everything we can to make sure youβre enjoying every minute you spend with us.
Additionally, trust and privacy are key to our success at RemoteStar, so we would like to let you know that in compliance with the Data Protection Act 2018, upon submitting an application, your CV and personal details will be added to our database and may be used to match you to any future, suitable vacancies as they arise. Of course, we will remove your details at any time should you wish us to do so.
Candidate Selection & Onboarding Process
Application & Resume Screening
Submit your tailored CV/Resume directly to the talent acquisition portal.
Technical & Competency Interviews
Virtual interviews with the hiring manager and multidisciplinary team.
Formal Offer & Benefits Negotiation
Written agreement outlining compensation, equity, retirement vesting, and relocation allowances.
Onboarding & Corporate Integration
Equipment provisioning, team orientation, and commencement of duties.
United Kingdom Right to Work & Skilled Worker Visa Guide
Employment in the United Kingdom requires legal Right to Work verified under the Home Office Points-Based Immigration System:
Sponsoring employers must hold an active Home Office A-rated Sponsor License and assign a valid Certificate of Sponsorship (CoS). Role must meet the general minimum salary threshold (Β£38,700) or occupation going rate.
Continuous employment under Skilled Worker status establishes eligibility for Indefinite Leave to Remain (ILR) after 5 continuous years, leading to British Citizenship.
Candidate Preparation Blueprint: Information Technology Support Services
Based on transatlantic hiring benchmarks for Senior JAVA Developer roles across RemoteStar's corporate sector, successful applicants typically excel across three core dimensions:
Demonstrated portfolio evidence, architecture/system design case studies, or validated professional certifications directly applicable to Information Technology Support Services.
STAR method competency responses highlighting cross-functional leadership, conflict resolution, and delivering measurable enterprise ROI under tight timelines.
Total compensation expectation aligned within the benchmarked Salary Disclosed on Application bracket, including retirement vesting and health parity.
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