Do you self-identify as a great problem solver?
Have you been honing your innovation craft for years yet yearning for more complex challenges?
Does the opportunity to play a key role in the launch of a software platform with massive impact (for millions or even billions of people) excite you?
If you’ve answered with 3 resounding yeses, then we want to meet you!
What We Expect We are a cutting-edge web3 infrastructure scale-up project seeking a few very talented developers who are not just looking for a job but want to be challenged to accomplish great things in an exciting venture.
We are the veterans of many successful startups and will put you on the accelerated learning curve toward your future success.
We are looking for an experienced Lead Golang Engineer who has designed, built, and operated high-throughput, highly resilient distributed data systems. This is a rare opportunity to work with a number of talented innovators on building a protocol that can change the data cloud landscape, e.g. decentralizing big data.
This core systems development position will challenge you to drive the design and development of significant system software components with a highly collaborative, test-driven, and rapid prototyping approach. In addition, you will definitely need to build upon your previous innovation and operational experience with highly scalable distributed systems that provide availability, reliability, and performance guarantees.
About Cere Network Cere Network is the decentralized data protocol powering the future of web3 with trustless content sharing and cloud data interactions between apps, users, AI/ML, and (NFT) assets. Cere is backed by the world’s largest institutions and projects, including Binance Labs, Republic Labs, and Polygon.
Our Ethos We look for a few things across all hires we make at Cere, regardless of role or team: - We seek teammates who will thrive in our fast-paced work environment, where we default to methodical, simulation-driven, fast development iterations and a first-principle thinking mindset. - We crave teammates with high standards and strong discipline, embracing a growth mindset to continuously learn and incrementally improve habits and processes. - We require contributors to have excellent communication skills (esp. written), for everything must be well organized and tracked in Notion, Slack, Wiki’s, etc. We want autonomous, goal-oriented individuals who embrace transparency and accountability. No one wants to micro-manage others. - We need good teammates who are generally cool people who want to be part of a great team & decentralized community where everyone truly helps and challenges each other to learn/grow by innovating together towards greater shared goals. Embracing the building of such a collaborative community is the only way we can sustain rapid innovation (and the only way to live/work, really).
Requirements: - 5+ years of extensive programming experience with Golang. - Deep understanding of system design, data structures, and algorithms. - Experience with concurrency, transactions and parallel execution. - Experience with cryptography (encryption and signatures). - Systematic problem-solving approach coupled with effective communication skills.
Nice to have: - Experience with distributed databases and/or storage systems. - Database engine internals (storage): indexing, access methods, concurrency control, logging, caching, transaction processing, replication, backup restore, and buffer management. - Database engine internals (query processing): query compilation, optimization, execution, parallel execution. - Distributed systems: consensus-based quorum replication, peering networks system implementation.
Tech stack: - Golang - libp2p - BadgerDB - Substrate-based blockchain API - Crypto libraries for asymmetric encryption and signatures
A bit more about our Multinational, High-Performance (and primarily remote) Team Join a highly talented multicultural team that is based all over the world. We have offices in San Francisco, New York, Warsaw, Amsterdam, Berlin, and several locations in Asia. As stated above, we make remote working possible by embracing our ethos, yet many teams also travel to meet in person every 1-2 months. We all want high degrees of autonomy and flexibility to make life and work fun, but transparency, accountability/ownership are the requisites.
When joining ECAD Labs Inc. you are joining a dedicated team intently focused on making blockchain easier to build on. We develop tools for the Tezos ecosystem. Our mission is to increase the GDP of the blockchain by empowering and inspiring developers.
We are looking for a senior engineer with experience in designing APIs and/or developer tooling. Finding the right abstraction and implementing APIs that are a joy to use will be your north star. Strong background with go and strongly typed languages generally is required.
As a Senior Software Engineer, you will be involved in greenfield projects, developing reference implementations for emerging standards in the blockchain space, development and maintenance of open-source systems such as https://signatory.io
You will be part of a small team whose core values include offering a safe environment to be yourself, share your ideas, and offer your perspective. You will get to work with all aspects of the product or service lifecycle, from ideation and system design to building, testing, deployment, documentation, launch reviews, developer support, and bug fixes.
Responsibilities
Building, maintaining, and enhancing APIs and SDKs to service our developer and enterprise clients.
Designing solutions for user needs, coding, testing, and writing documentation
Creating the ultimate onboarding experience for developers
Location
Our Vancouver office, fully remote within Canada, or a blend, whatever works best for you!
Ardan Labs is a consulting firm that helps our clients develop software solutions and applications. We work on software projects and teams of different sizes. We are currently looking for Mid-level and Senior Backend Engineers with at least 1 year of Go experience.
Can demonstrate a good working knowledge of Go, standard library, idioms and common guidelines.
Can demonstrate the ability to collaborate with team members, flushing out designs to finalizing solutions.
Capable of understanding business requirements and translating that into engineering decisions.
Capable of determining and communicating engineering trade-offs.
Capable of writing documentation and tests.
IMPORTANT. To apply to this position you must be able to work US timezones and have good communication skills. Only individual contributors/direct hire will be considered for this project
Salary is based on experience level and requirements
Katana Labs is looking for experienced full stack engineers. We are a well funded FinTech startup based in London, working on an AI powered trading platform. Your main focus will be developing Go applications but we’re looking for a strong all rounder with experience in containers, kubernetes and cloud as well as the occasional frontend task. A DevOps mindset and focus on QA is a must.
Requirements - 5+ years of full stack experience - 2+ years of production grade Go experience - 1+ years of kubernetes experience - 1+ years of cloud experience
Tech Stack - Go - React - Kubernetes - PostgreSQL - Google Cloud Platform
Location: Remote (preferably UTC+3, UTC-3)
We are looking for software engineers at all levels of experience, from junior engineer to group leads, to join our rapidly growing teams in Lisbon. You will design and build intuitive applications at scale within our software and data squads and contribute with your ideas to forming the outcome of the projects.
About Us
At KI labs we design and build state of the art software and data products and solutions for the major brands of Germany and Europe. We aim to push the status quo of technology in corporations, with special focus areas of software, data and culture. Inside, we are a team of software developers, designers, product managers and data scientists, who are passionate about building the products of future today. We believe in open-source and independent teams, follow Agile practices, lean startup method and aim to share this culture with our clients. We are mainly located in Munich and recently Lisbon.
Your Responsibilities
Skills and qualifications
Why work with us
Hallmark Labs is the digital arm of Hallmark Cards, Inc., based in Santa Monica, California.
We currently operate two digital subscription services, Hallmark Movies Now and
Hallmark eCards, as well as ongoing initiatives in personalized, print-on-demand
greeting cards. We are a diverse team of innovators, creators and influencers
leveraging Hallmark’s deep experience in creating meaningful connections and
progressing it into the digital age with cutting-edge technology.
Senior Software Engineer, Platform - Go/Microservices
You're a seasoned polyglot engineer that is driven, takes ownership and is solution oriented and ready to join a stellar new team working on cross product foundational platform, shared by all our products written in Go. You'll be building robust and scalable software in multiple modern object oriented and functional languages. And making the company transitions to microservices using Go and Kafka.
As a part of this role, you will:
Required Qualifications:
Preferred Qualifications:
We are looking for software engineers at all levels of experience, from junior engineer to group leads, to join our rapidly growing teams in Lisbon. You will design and build intuitive applications at scale within our software and data squads and contribute with your ideas to forming the outcome of the projects.
About Us
At KI labs we design and build state of the art software and data products and solutions for the major brands of Germany and Europe. We aim to push the status quo of technology in corporations, with special focus areas of software, data and culture. Inside, we are a team of software developers, designers, product managers and data scientists, who are passionate about building the products of future today. We believe in open-source and independent teams, follow Agile practices, lean startup method and aim to share this culture with our clients. We are mainly located in Munich and recently Lisbon.
Your Responsibilities
Skills and qualifications
Why work with us
As a Senior Software Engineer, you will have the opportunity to work on different key features of our product. We are currently hiring Senior Software Engineers for the following teams:
Reporting – Builds a scalable reporting system that ingests millions of rows per second into our time-series databases, providing insights into cost savings, workload efficiencies, and Cast AI automation impact.
Pricing – Drives the synchronization of public and customer cloud resources, availability, and dynamic pricing across all major cloud providers. Empowers autoscaling by leveraging discounts, commitments, and cross-cluster tracking to maximize savings. Provides a reliable source of truth for node pricing, resources, components, discounts, and commitments.
Autoscaler – Automates Kubernetes node autoscaling to optimize clusters, balance workloads, remove underutilized nodes, and dynamically allocate capacity in real-time, thereby reducing cluster costs by half.
Workload Optimization (WOOP) – Automates workload resource management by dynamically adjusting resource allocations, helping developers significantly reduce costs and improve application reliability.
AI Enabler – Helps customers deploying and managing LLMs in their Kubernetes cluster and optimizes their workloads by providing cost visibility and intelligent routing for LLM requests to the most cost-effective compute resources (e.g. Grok, self-hosted LLAMA models).
Here are some of the tools we use daily: Languages: GoLang (primary), Python (secondary for some cases) Cloud & Orchestration: Kubernetes, AWS, GCP, Azure Databases & Storage: PostgreSQL, Cloud Object Storage PostgreSQL and Cloud Object Storage for persistence Messaging & APIs: GCP Pub/Sub, gRPC for internal communication, REST for public APIs Observability: Prometheus, Grafana, Loki, Tempo CI/CD & GitOps: GitLab CI with ArgoCD.
Requirements: Strong software engineering skills with experience in distributed systems and backend development (ideally GoLang, but not a hard requirement as long as you’re willing to transition to it) Strong debugging, optimization, and performance-tuning skills Deep understanding of cloud platforms: hands-on experience with cloud platforms like AWS, Google Cloud Platform (GCP), Microsoft Azure, and tools such as Kubernetes for containerization and orchestration CI/CD and DevOps practices experience Strong English skills, both verbal and written Ability to work independently and collaboratively within a team Startup mindset: adaptable, proactive, and comfortable with ambiguity A proactive, problem-solving mindset with a "yes we can" attitude.
Swarm is a system of peer-to-peer networked nodes for a decentralised storage and communication service.
Swarm could shape the future towards a self-sovereign global society and permissionless open markets. On Swarm, applications run autonomously yet securely in a planetary-scale deployment and execution environment.
Bee is a Swarm client implemented in Go. It’s the basic building block for the Swarm Network. Bee provides low-level constructs for file storage, feeds, key-value stores and untraceable communication, through solid, well-tested code delivered in an agile manner.
Key technologies are Go, libp2p, protobuf, leveldb, and go-ethereum, as well as various cryptographic libraries.
Should you be interested in the position, please send your CV and GitHub repo to talent@ethswarm.org.
Introduction
ChainSafe is a leading blockchain research and development firm specializing in infrastructure solutions for the decentralized web. Alongside its contributions to significant ecosystems such as Ethereum, Polkadot, Filecoin, Mina, and more, ChainSafe creates solutions for developers and teams across the web3 space utilizing our expertise in bridging, gaming, NFTs, and decentralized storage. As part of the mission to build innovative products for users and better tooling for developers, ChainSafe embodies an open-source and community-oriented ethos.
To learn more about ChainSafe, look at our Discord, GitHub, and website.
Here’s what you need to know before reading on:
Our progressive tech stack includes Go, Rust, and TypeScript We spearhead ecosystem projects like Lodestar, Web3.js, Forest, Mina-rs, and Gossamer We are global, remote-friendly, and open to contractors You’ll form part of the Sygma Engineering team, our bridging protocol At Sygma we believe that cross-chain interoperability is the fundamental enabler for the next wave of growth in the blockchain industry. Sygma will empower builders to create streamlined experiences where users are not confined to one ecosystem. By enabling elaborate cross-chain functionality and putting most of the steps under the hood, Sygma will enable smooth, web2-like user experiences. For more information about Sygma please visit buildwithsygma.com
At ChainSafe, you’ll be part of a team that believes in the community's vital importance and contributes to advancing humanity with open-source and decentralized technology.
About the role
As our Senior BlockOps engineer for Sygma, our cross-chain interoperability protocol, you will play a vital role in our dedicated BlockOps team, defining and implementing best-practice strategies and guides to manage and optimize our infrastructure.
The BlockOps team supports the critical systems, services, and tooling at the foundation of Sygma’s mission, to abstract away all the complexities of cross-chain interoperability to enable users to ‘deposit from anywhere’. We enable Sygma’s engineers to design, develop, and operate services quickly, safely, securely, and reliably. BlockOps teams build and maintain the platforms critical to the existence of Sygma.
Your expertise will undoubtedly contribute to the sophistication of blockchain applications and redefine the boundaries of what's possible within this emerging technological sphere. All work across Sygma will be open-source, ensuring expansive opportunities for deep contribution and collaborative efforts across various web3 blockchains and ecosystems.
Responsibilities
What you will be doing
Ensure reliable operation of the company’s distributed Relayer nodes operations across various blockchain networks (EVM, Substrate, Cosmos SDK) while adhering to internal SLAs and committed KPIs Design and implement procedures related to Sygma’s Relayer node operations (deployment and upgrade, incident response, and key management) Build monitoring and observability for various Sygma services including a distributed set of relayers and various blockchain full nodes. Provide training and guidance for other members of the infrastructure team, ensuring round-the-clock node operation and incident response. Document and communicate technical details via open-source documentation Collaborate with various internal teams and the wider community to build, expand, and scale Sygma’s architecture, by tapping into new trends and opportunities highlighted by internal data, blockchain research, and the wider blockchain ecosystem Requirements Solid dev. experience with Golang Experience working with AWS services Demonstrable experience with modern Infrastructure as Code (IaC) tools (Terraform, Helm, Ansible, etc), automating deployment, and best CI/CD practices and tools. Experience with monitoring and alerting tools (DataDog, Grafana, Prometheus, etc.) Experience implementing distributed tracing, monitoring, and logging systems using OpenTelemetry Protocol Experience building and participating in incident response systems (PagerDuty, etc) and handling the emergency response to production environment failures. In-depth knowledge of distributed systems and blockchain technology. Excellent communication skills with the ability to document and convey technical details clearly Ability to work autonomously as well as with the wider team As a plus: TypeScript, Solidity, or Rust is a big plus Experience with specifying, procuring, and setting up infrastructures for Blockchain validator nodes, and managing them across several blockchain networks. Experience automating network deployment and testing of SmartContracts with various tools (Truffle, HardHat, Foundry, Anvil) Understanding at least two of the following domains - Web Security, Web3 Security, Cloud Security, Systems Security, and Applied Cryptography. Hiring Steps Selected candidates will be invited to a 30–to–45–minute screening call with one of our tech recruiters Next, candidates will be invited to a 60-minute values interview with one of our team members Technical 60-minute interview with one of our engineers. Then, candidates will be asked to complete a technical task in under 10-15 hours. Your time and expertise demonstrated in the work test challenge will be compensated upon completion. Your time and expertise demonstrated in the work test challenge will be compensated After the completion of the test assignment call with Engineering team to discuss the results, for 60 minutes. Lastly, candidates will be invited to a 60-minute interview with the hiring team members
Why Join ChainSafe
Founded by developers for developers, ChainSafe is a remote-first company with an international team. We continue to provide opportunities for personal and professional growth, value autonomy and responsibility, have a results-driven environment, and offer flexible work hours.
We care deeply about our values and look for these attributes in every new team member. In addition, we recognize the benefits of cultivating a diverse team and aspire to embed respect for all people into our culture. We encourage women, the LGBTQIA+ community, people of colour, and members of any other group underrepresented in the blockchain space (or tech in general) to apply.
How to Apply
Please fill out the Greenhouse application form below and ensure that you attach your resume and link your Github/Gitlab profile or any software project you have contributed to (if applicable).