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We're looking for someone who has: - At least 5 years of software engineering experience with open source contributions. - Experience developing, releasing, and maintaining production software. - Significant experience writing Golang or the ability and desire to become proficient in new languages. - A strong grasp of computer science fundamentals. - Deep understanding of the theory and implementation of database trees on real file systems. - Experience working in an agile development environment. - The ability to take ownership and see initiatives through. - Worked with and mentored junior engineers. - Exceptional communication skills. - Experience working with distributed teams.
What your primary responsibilities will be: - Improve the IAVL codebase by committing DRY, well tested code. - Work with the Cosmos-SDK team to keep the IAVL tree and its proofs well integrated. - Optimize our implementation of the IAVL tree and its proofs. - Research, design, and implement improvements to the IAVL tree, the proofs, and related protocols. - Help formalize the specification of the IAVL tree and proofs and ensure the implementation adheres to the spec. - Develop simulations for testing the behaviour of the IAVL tree under various loads and read/write strategies. - Develop alternatives to the IAVL tree like the Ethereum Patricia Trie that adhere to the same interfaces. - Mentor junior engineers and support the growth and health of the team. - Review pull requests and provide valuable feedback to members of the team and open source contributors.
What we offer: - The opportunity to build the future of the internet. - An exciting role building open source software. - Flexible work schedule. - At least 4 weeks of paid vacation. - Very competitive salary, including equity.
About our application process: Qualified candidates can expect to go through a 4 step interview process. The first interview will be a call to assess cultural fit and to make sure our goals are aligned.
If we think there is a good fit, you'll have a call with one of our project managers to learn more about your skills and attitudes toward teamwork. If it's clear that you'd be a good addition to the team, we’ll ask you to complete a technical task for which you will be compensated.
If your technical task displays a high level of quality and care we will set up a final interview with our CEO or CTO.
The process can take up to 3 weeks.
How to apply: https://goo.gl/forms/jpdRI1wD8pdfoqKl2
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Improbable is dedicated to building powerful technology designed to help solve previously impossible problems and enable the creation of new realities. In gaming and entertainment, Improbable unlocks truly next-generation gameplay through virtual worlds of unprecedented scale, persistence and richness. In other industries, we hope to help answer critical questions through simulations that could lead to a better functioning world.
Our platform, SpatialOS, lets developers transcend the limits of regular computation, allowing swarms of servers running in the cloud to cooperate in order to simulate worlds far larger and more complex than any single server could.
We are a British technology company proudly building a diverse workforce, driven by a shared desire to improve and achieve extraordinary things. We’re crafting technology for the future and fostering a problem-solving culture that embraces innovation through iteration and experimentation.
Engineering is at the heart of Improbable. We solve some of the hardest problems around in areas such as distributed systems, high-performance cloud computing, messaging and much more.
We are technology neutral and believe in well-tested, robust code. Much of our platform is built in GoLang/Java with areas of C++, TypeScript and C#. We use Open Source technologies (such as CoreOS, etcd, Fleet, Docker, Prometheus, gRPC) and give back to the community through open source contributions when we can.
We’re hiring Senior Software Engineers across multiple teams. There is always a diverse range of challenging and interesting projects to work on. Similarly, we welcome diverse engineering backgrounds and are able to offer highly interesting challenges across all our teams, we never hire to fill a gap.
You can find out more about some of our engineering projects here
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A great MongoDB experience starts with great tools.
The Drivers team builds the libraries and tools that developers use day-to-day working with MongoDB. Our mission is to increase developer adoption, satisfaction and retention by providing a reliable, enjoyable interface for developers and other end-users.
For this role, we're looking for someone who enjoys designing, writing, and supporting Open Source libraries and standalone tools for developers and administrators using MongoDB.
You might be right for this role if you...
You'll be on a team responsible for...
You'll have responsibilities beyond just code, including...
Success in this role means...
About the Role:
We are seeking Golang Engineers who are passionate about developing cutting-edge technology. In this role, you will be tasked with creating and implementing features such as Golang interpreters, libraries, developer tools, and utilities to power the Gnolang language. This is an opportunity to contribute to a groundbreaking platform from its inception and help shape the future of smart contracts in the blockchain industry.
$179,000 - $200,000 a year
Please note that the salary range provided is for reference purposes only. During the interview, we will evaluate each candidate's experience and skills and determine an appropriate salary offer. We are committed to practicing salary transparency and equity, offering competitive compensation packages based on a candidate's qualifications and experience. Our dedication to ensuring that our employees are compensated fairly for their contributions demonstrates our belief in creating a fair and equitable workplace.
About Us:
All in Bits (AiB) aims to create a more transparent and accountable world through open-source software that enables permissionless innovation and borderless transactions. Our technology empowers builders to launch sovereign blockchains and decentralized applications (dApps) that are secure, scalable, and interoperable.
AiB is a longstanding contributor to the Cosmos ecosystem. In 2014, our CEO, Jae Kwon, was the first to introduce a solution to the Proof-of-Stake distributed consensus problem, building the core infrastructure that powers Cosmos today including Tendermint Core and Cosmos SDK. From creating and funding to engineering and marketing, we prioritize simplistic and minimalistic approaches to building technological solutions that endure.
AiB is committed to upholding core Cosmos values of transparency, accountability, and decentralization. That’s why we support the creation of the Decentralists DAO for the Cosmos Hub to move all operations on-chain, starting with engineering. By establishing the DAO registered team, we aim to advance core components of the Cosmos tech stack and encourage open dialogue, decision-making, and innovation.
How we work:
We focus on talent rather than location to hire the very best person for every role. Open communication is vital, and we use the best tools to collaborate efficiently. Everyone has the autonomy to create their best work, which we reward with unlimited growth potential. AiB is remote-first, and to support your working life, we offer carefully considered benefits and hold regular team and company-wide meetings to encourage collaboration and interaction between teams.
You have the flexibility to work the hours best suited to your lifestyle; as long as you deliver consistent quality work, the sky's the limit! You will be required to be available from 8 am - 10 am PST some days when we bring our people together to contribute to our Town Hall sessions. We value diversity, inclusivity, honesty, and accountability. AiB is a place where talent thrives and you'll have the opportunity to carve out an exciting career trajectory best suited to your unique skills and interests.
Ignite in the news:
https://ignite.com/blog/ignite-growing-cosmos-ecosystem-since-2014
Disclaimer
Direct applications only. Ignite does not accept unsolicited resumes from recruiters or employment agencies in response to Ignite website or social media posts. Ignite will not consider or agree to payment of any referral compensation or recruiter fee relating to these unsolicited resumes. Ignite explicitly reserves the right to hire those candidate(s) without any financial obligation to the recruiter or agency. Any unsolicited resume, including those submitted to hiring managers, are deemed to be the property of Ignite.
About us:
All in Bits (AiB) aims to create a more transparent and accountable world through open-source software that enables permissionless innovation and borderless transactions. Our technology empowers builders to launch sovereign blockchains and decentralized applications (dApps) that are secure, scalable, and interoperable.
As a core contributor to the thriving Cosmos ecosystem, AiB engineers pioneered the first-ever Proof-of-Stake network and built the core infrastructure that powers Cosmos today including Tendermint Core, Cosmos SDK, and Inter-Blockchain Communication (IBC). From creating and funding to engineering and marketing, we prioritize simplicity and minimal production to build technological solutions that endure.
AiB is committed to upholding core Cosmos values of transparency, accountability, and decentralization. That’s why we support the creation of the Decentralists DAO for the Cosmos Hub to move all operations on-chain, starting with engineering. By establishing the Decentralists Engineering Team (DET), we aim to advance core components of the Cosmos tech stack and encourage open dialogue, decision-making, and innovation.
How we work:
We focus on talent rather than location to hire the very best person for every role. Open communication is vital, and we use the best tools to collaborate efficiently. Everyone has the autonomy to create their best work, which we reward with unlimited growth potential. AiB is remote-first, and to support your working life, we offer carefully considered benefits and hold regular team and company-wide meetings to encourage collaboration and interaction between teams.
You have flexibility to work the hours best suited to your lifestyle; as long as you deliver consistent quality work, the sky's the limit! You will be required to be available from 8 am - 10 am PST some days when we bring our people together to contribute to our Townhall sessions. We value diversity, inclusivity, honesty, and accountability. AiB is a place where talent thrives and you'll have the opportunity to carve out an exciting career trajectory best suited to your unique skills and interests.
About the position:
AiB's Developer Experience (DevX) team is seeking a talented and motivated software engineer with experience in designing and developing backend systems in Go. You will be working within the DevX team to define requirements, iterate on software solutions, and deliver useful developer APIs for people interested in building Gno ecosystem. We’re looking for a motivated and versatile engineer who understands developer ergonomics and has great written communication skills. Your work will be hugely impactful, as your APIs will be used by a rapidly growing, international audience of developers.
What you will be doing:
We are looking for someone who has/is:
Nice to have:
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ChainSafe Systems is a blockchain R&D firm on a mission to realize the potential of Web3 infrastructure through sustainable, open-source development. Our vision is to create a world with organizations that empower people to build and innovate through blockchain agnostic tools and other distributed technologies.
We are global leaders in the industry, unique in our work across multiple blockchain ecosystems, and currently are pioneering technology and infrastructure related to Ethereum,, Polkadot and Filecoin. We are actively pursuing the development of our own product suite, having recently released Files and Storage, which allows users to upload and store files on IPFS and Filecoin with the goal of furthering development to provide a decentralized alternative to cloud storage.
ChainSafe is a unique company in a unique space, growing quickly and building a global reputation in this nascent space. Beyond offering experience across every major blockchain space to our team, we provide an open, inclusive, and supportive environment where we help folks reach their full potential as a human and as a professional.
Here’s what you might want to know before reading on:
Culture fit and alignment to our core values are extremely important to us. We are fueled by an immense intellectual curiosity of what technology can do and the impact it can have. You will thrive here if you are intensely driven by tackling technical challenges that no one else has solved yet and are inspired by the possibility of building the next generation of web infrastructure and decentralized systems.
Responsibilities
Required Skills
Bonus Skills
We strongly encourage you to apply even if you don’t fit all the requirements. You don’t have to match all the listed requirements exactly to be considered for this role.
Hiring Steps
Candidates for this position can expect the hiring process at Chainsafe to follow the order below. Please keep in mind that candidates can be declined from the position at any stage of the process.
We welcome your fresh perspectives and ideas
At ChainSafe, diversity and inclusion are more than a statement; equality and accessibility are guiding principles embedded in who we are - and why we do what we do. We recognize the benefits of a diverse team and aspire to embed respect for all people into our culture, values, and day-to-day practices. We encourage women, LGBTQIA+ people, people of colour, and members of any other group underrepresented in the blockchain space (or tech in general) to apply.
ChainSafe is a remote-first company with an international team. We offer opportunities for personal and professional learning and growth, value autonomy and responsibility, and have a results-driven environment, flexible work hours and time-off policy, as well as competitive salary.
Salary will be determined through the interview process after a review of experience, knowledge, skills, abilities, equity, and location, as well as alignment with market data. The estimated salary range for this position is $84K - $120K USD.
To apply for this position, please fill out the linked application form and please attach your CV/resume as well as a link to your Github/Gitlab profile or some other software project you h
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Teleport is an open core remote-first company headquartered in the San Francisco Bay Area, California. Our mission is to empower engineers to securely access any computing resource anywhere in the world.
Modern computing environments are growing bigger and more complex. This complexity increases the attack surface area and slows developers down. Our Access Plane technology empowers engineers and security professionals to easily access servers, Kubernetes, databases and web applications across all environments.
Backed by Y-Combinator, S28 Capital, and Kleiner Perkins, we have raised over $60MM and are growing quickly. Our customers include leading technology companies such as Nasdaq, Snowflake Square, Gitlab, IBM, and others.
Our commitment to the world is to combine an amazing developer experience with best-in-class security in everything we make. We value solving hard problems for our customers and making our lives interesting while doing it.
You will be joining engineering team of Teleport, unified access plane for SSH, Kubernetes and Database infrastructure.
Nasdaq, SumoLogic and Samsung Electronics trust Teleport to secure access to their infrastructure.
Teleport is an open source project, written in Golang with web-based UIs in JavaScript with React.
Joining a startup, you should be comfortable changing the area of focus and working directly with customers.
We offer competitive compensation and benefits, platinum-level healthcare insurance, 401k matching, and a great place to work.
Teleport is an equal opportunity employer and does not discriminate against any employee or applicant on the basis of age, color, disability, gender, national origin, race, religion, sexual orientation, veteran status, or any classifications protected by federal, state, or local law.
At Monzo we’re aiming to build the best current account in the world. We are always keen to hear from capable, creative engineers who want to help us accomplish that goal. We want our bank to be safe and secure for our customers, so security is very important to us
Security at Monzo
Monzo’s security team has a wide range of responsibilities, from infrastructure security to application security. As a bank, we are solving diverse, novel problems to ensure that our customers are safe and secure.
One of the guiding principles of security at Monzo is that security at the expense of user experience is a last resort. We aim to move mountains in the background such that we can build world-class features without compromising on security.
As a member of our security team you would be responsible for constantly improving the security of Monzo, and you would work closely with other teams to ensure that our systems are secure by design. Of course, security incidents can and do occur, and the security team is involved with many different types of incident response.
Our engineers have a variety of different backgrounds
We have several non-graduates; only some of us studied Computer Science; one of the team has a degree in Marketing; some of us have worked in huge companies; some have only ever worked in startups; others are former consultants. As long as you enjoy learning new things, we’d love to talk to you.
We encourage an open and transparent working environment
You can get involved in any aspect of the business you are interested in and, following Stripe’s example, all emails in the company are visible in an email archive. We regularly run hackathons in which people build things on our third party API and we contribute to open source software as much as possible. We’ve also made our product roadmap public and give sneak peeks of features in our community forum. Our blog is a good place to learn even more about what we do!You can get involved in any aspect of the business you are interested in and, following Stripe’s example, all emails in the company are visible in an email archive. We regularly run hackathons in which people build things on our third party API and we contribute to open source software as much as possible. We’ve also made our product roadmap public and give sneak peeks of features in our community forum. Our blog is a good place to learn even more about what we do!
Monzo works in project-based sprints in small, interdisciplinary teams
We have around 190 engineers out of roughly 1000 people in total - and we have big ambitions. As a security engineer here you'd be able to work directly with lots of teams across the company, and we run regular knowledge-sharing sessions so you’ll learn heaps about everything from how banks work to effective communication.
At Monzo you will get to work with a lot of exciting new technology.
We rely heavily on the following tools and technologies:
Go to write our application code (there’s an excellent interactive Go tutorial here) Cassandra for most persistent data storage Kafka for our asynchronous message queue Linkerd/Finagle for RPC Kubernetes and Docker to schedule and run our services (Oliver, our Head of Engineering, gave a great talk at KubeCon on how we use these technologies) AWS for most of our infrastructure React for internal web dashboards We also have two physical datacenter sites with actual cables to connect to various third parties You should apply if:
the work we’re doing sounds exciting! you want to be involved in building a product that you (and everyone you know) use every day you’re constantly looking for flaws in systems and can reason about how best to address them you’re keen to learn more about new technologies and the arcane inner workings of the financial industry you’re comfortable working in a team that deals with ambiguity you’re interested in distributed systems and writing resilient software you have some experience with strongly-typed languages (Go, Java, C, Scala etc.). Logistics
We can help you relocate to London, we can sponsor visas, and we're open to distributed working (as long as you can spend around 20% of your time in London).
We have payroll set up in five countries: the UK, Ireland, France, Poland and Spain. Right now, we can only hire people who work from those countries and we’ll keep this updated with new ones as we expand and are able to hire from more places 🌎
We offer competitive salaries based on skills and experience, which could be anywhere between £40,000 - £100,000 per year.
We care deeply about inclusive working practices and diverse teams. If you’d prefer to work part-time or as a job-share, we’ll try our best to make this happen. Just let us know in your application so we can plan for it.
We're usually always hiring for Backend Engineers in Security, so there's no closing date for this job.
Our interview process is normally a phone interview, a coding task and call to discuss it, and 2-3 hours of onsite interviews. We promise not to ask you any brain teasers or trick questions. We might design a system together on a whiteboard, the same way we often work together, but we won’t make you write code on one
Questions about this role? Head over to our careers page to read our FAQs (www.monzo.com/careers)
Our interview process is normally a phone interview, a coding task and call to discuss it, and 2-3 hours of onsite interviews. We promise not to ask you any brain teasers or trick questions. We might design a system together on a whiteboard, the same way we often work together, but we won’t make you write code on one
Apply ⎘ Copy Link ↗ Visit LinkThis job posting is no longer available
Locations: UK, EU, Canada (East timezones) & Argentina. Sponsorship available in the UK, Netherlands, Germany (we accepted applicants from any country in the world).
THE TEAM
Our Software Engineering Team is 100% remote and distributed across 20+ European countries. Our engineers work within small, agile, self-managed teams that emphasise best practice and believe quality is everyone’s responsibility. They favour collaborative development and leverage open-source tools and communities, whilst making sure to share their know-how back up stream
THE ROLE
At Form3 you will have the opportunity to design, develop and deploy backend cloud-native services within a containerised microservices architecture. The work is cutting edge, constantly changing and focused on building and operating critical, highly available, low latency, scalable solutions.
Play an active role in introducing new technologies and ways of working to stay ahead of the competition, without ever compromising on quality. Contribute and collaborate with other engineers on technical and architectural decisions. Enjoy end-to-end ownership from concept to deployment, including building and operating infrastructure, toolset and deployment pipelines. Develop your skills, work on cool projects with the latest tech, all whilst working with a talented, diverse and friendly group of people
Here are a few of the tools and methodologies we utilise:
WE’RE LOOKING FOR ENGINEERS WITH
Experience in designing and building distributed systems Familiarity with cloud and containerisation technologies, test automation tools and CI/CD pipelines Interest in owning projects end-to-end and supporting them as they go live in production Appreciation of clean code and software engineering best-practice A passion for learning and an interest in Go (previous experience isn’t required), along with a “right tool for the job” mentality Great communication skills who enjoy sharing knowledge and collaborating with others
BENEFITS
Form3 appreciates that we all lead different and often really busy lives. We work remotely 100% of the time and many of us work part time. If you’re interested in hearing what different flexible working arrangements may be available, we’d love to chat.
ABOUT US
We are an award-winning cloud-native payment technology provider for financially regulated institutions. Launched in 2016, we've doubled in size year on year as we continue to redefine what a truly instant payment experience means.
We celebrate diversity, promote entrepreneurialism and are committed to giving everyone a say in shaping our business. Here you will grow as a person and accomplish incredible things. A career at Form3 is empowering, inspiring and fun. Join us and help shape the future of payments.
OUR DEI&B COMMITMENT We hire talented people from a variety of backgrounds and experiences and are committed to a work environment based on diversity, open-mindedness and curiosity. We are united by our company values (we even created them together!) and we celebrate our unique differences.
Our employee life cycle processes are designed to embrace equal opportunity and prevent discrimination against our people regardless of personal characteristics. It is our strong belief that the more inclusive and belonging we are as a business, the better our work will be.
As an inclusive employer, we guarantee to interview all neurodiverse and physically disabled applicants who meet the minimum criteria for this role. We also encourage candidates to notify us of any reasonable adjustments that may be required during the recruitment process. This includes providing job adverts in alternative, accessible formats or adjustments required at interview stage.
If you consider yourself to be neurodiverse or physically disabled under the UN definition of disability and would like to be considered under this scheme and/or require any reasonable adjustments please let us know by sending an email to careers@form3.tech clearly stating your consent for us to process this data.
For more information please refer to our Recruitment Data Policy.
Clearmatics is a protocol engineering company. We are building a new financial market architecture that is more open, fair, and resilient than the legacy systems that are in use today. We develop protocols and software that create new markets for risk and more efficient infrastructure for trading, backed by a robust and scalable blockchain network, and secured with modern cryptographic techniques and economic mechanism design.
Clearmatics is based in London but operates on a 'remote first' model. We welcome candidates from all over the world. We have close ties to the Open Source and Ethereum communities, with Vitalik Buterin as an adviser.
The Engineering team at Clearmatics is responsible for developing our blockchain software at Layer 1 and Layer 2. At the core of our stack is the Autonity client, the node software that powers our blockchain network. It is based on Ethereum (go-ethereum) and is secured by Tendermint Proof-of-Stake consensus. Our decentralised platforms are built on smart contracts and decentralised applications, and are supported by backend services in Go.
We're looking to hire a Core Developer to expand our Layer 1 Engineering team.
ABOUT YOU
You're a systems programmer with good knowledge of Layer 1 protocols, and a passion for blockchain and decentralisation. You enjoy working to a high standard and writing code that is clean, performant, and maintainable. You appreciate the importance of careful design choices and can anticipate the impact of code changes on wider system behaviour. You can demonstrate a strong interest in blockchain and may even have open source contributions that you can highlight. You express yourself clearly in writing and in discussions.
RESPONSIBILITIES
You will be involved at all stages of the development lifecycle for the Autonity protocol and its blockchain node client (a fork of go-ethereum). These include: - Implementing new protocol features in Go and Solidity - Developing new distributed systems tests and frameworks - Contributing to protocol and design specifications - Working with members of the community to resolve issues - Your work will ensure that Autonity client is correct, reliable, performant, and secure. This will enable Autonity to serve as the foundational layer for a new ecosystem of decentralised markets.
REQUIREMENTS
BONUS POINTS