Founding Software Engineer at weekday-1 | Remote

Join our innovative team at weekday-1 as a Software Engineer, a role crafted for technology enthusiasts eager to contribute to cutting-edge projects in a fully remote environment. You will collaborate with a dynamic team of developers, designers, and product managers, leveraging your skills to create impactful software solutions.

Join our dynamic team at weekday-1 as a Software Engineer where you will play a crucial role in developing innovative software solutions. Work alongside talented professionals in a fully remote environment, collaborating to drive success and enhance our product offerings.

Join Decisal, where we craft innovative software solutions that empower airlines worldwide to optimize their planning and scheduling processes. As we expand our product offerings, we're on the lookout for a dedicated and talented C++ Software Engineer to become a pivotal member of our vibrant team.In this role, you will be instrumental in designing and developing state-of-the-art software applications. You will engage with clients to implement new features and refine existing systems, enabling you to work on projects that significantly influence our customers and the aviation industry.We pride ourselves on fostering a collaborative and innovative work culture that values your creativity and recognizes your contributions. Decisal Ltd is dedicated to providing a nurturing and inclusive workplace that encourages both personal and professional growth.If you are a driven individual with a solid foundation in C++ programming and a passion for delivering high-quality software solutions, we invite you to apply!

At Complexio, our innovative Foundational AI technology automates business processes by effectively analyzing both structured and unstructured data from across the organization. By employing proprietary algorithms and models, we gain profound insights into human interaction with data, enabling us to replicate and enhance these actions autonomously.Complexio is a collaborative venture involving Hafnia, Símbolo, and partners such as Marfin Management, C Transport Maritime, Trans Sea Transport, and BW Epic Kosan.As a Senior Software Engineer, you will play a pivotal role in our team, crafting cutting-edge applications that harness AI to improve user experiences and optimize communication. Collaborating with a diverse group of Data Scientists, DevOps specialists, Product Managers, and Business Analysts, you will significantly contribute to the design and implementation of specialized AI assistant technologies.

Join a Transformative CompanyAt Palantir, we create pioneering software solutions that empower organizations to make data-driven decisions. Our innovative platforms enable our partners to tackle critical challenges ranging from developing life-saving medications to predicting supply chain disruptions and locating missing children.Position OverviewAs a Software Engineer Intern at Palantir, you will have the chance to rapidly advance your skills while contributing high-quality code to our flagship platforms: Palantir Gotham, Palantir Foundry, or Palantir Apollo. These tools are utilized by esteemed institutions across the public and private sectors, and your work will directly impact various professionals, including research scientists, aerospace engineers, intelligence analysts, and economic forecasters globally. Our Product Development teams consist of small, focused groups of Software Engineers, each dedicated to different aspects of our products. You may find yourself working on a Foundry front-end application or a component of Gotham's infrastructure. We foster a collaborative environment that encourages knowledge sharing and teamwork across teams, allowing you to gain insights into various product facets.Key ResponsibilitiesAs a Software Engineer Intern, you will engage in all stages of the product lifecycle—from ideation and design to execution and delivery. You will be paired with a mentor committed to your growth and success, collaborating closely with both technical and non-technical team members to address our customers' challenges with innovative solutions. Understanding user needs is paramount; therefore, you may have the unique opportunity to visit clients in various industries, gaining firsthand knowledge of their operations and objectives.Core Principles of Software Engineering at Palantir:• **Ownership**: We see projects through from conception to completion, overcoming challenges along the way.• **Collaboration**: Our diverse teams—including Software Engineers, Product Managers, and Designers—work together to solve complex problems, ensuring that every voice is heard.• **Trust**: We empower our team members with the freedom to manage their time and priorities, fostering both independence and support within the team.

Join a Leading Fintech Innovator!At ANNA Money, we are revolutionizing business administration for freelancers, entrepreneurs, and small enterprises. We eliminate jargon and cumbersome tools, offering intuitive products that genuinely save our users time.Our comprehensive platform streamlines invoicing, expense management, taxation, and accounting, alleviating the administrative burdens that come with running a business. With the support of advanced AI technology and exceptional customer service, ANNA empowers thousands to focus on what they do best.Our Vision: ANNA Money is dedicated to simplifying the tedious administrative tasks that small business owners face. Our primary goal is to automate these repetitive processes, boosting efficiency and allowing our customers to allocate time to more critical business needs.Our Team: We are proud to have a diverse team of around 150 professionals, primarily composed of talented software engineers and innovative data scientists committed to enhancing our product offerings. Presently, over 100,000 clients rely on ANNA for their banking and administrative solutions.Our Approach: We are at the cutting edge of technology, utilizing a modern tech stack and methodologies that enable us to deploy code to production an impressive 750 times a month.Why Join Us? If you are passionate about innovation, eager to create meaningful solutions, and want to play a role in transforming business administration for freelancers and small businesses in the UK, ANNA Money is the perfect place for you. Let's work together to redefine how businesses manage their administration and banking – making it smarter, quicker, and more efficient for all.Technology Stack:Python (aiohttp, sqlalchemy)TypeScript (React, MobX)Flutter/DartPostgreSQL/MongoDBRabbitMQKubernetesYour Role:Engage in hands-on coding to tackle complex challenges, focusing on defensive programming, resilience, and performance.Lead the technical design of significant product features, software modules, and strategic initiatives.Exhibit self-directed problem-solving skills to develop robust technical solutions from ambiguous business requirements.Proactively adjust project trajectories to ensure alignment with objectives.Collaborate with a multidisciplinary team of engineers, product managers, and designers to foster innovation.

Join Us in Transforming the Creator Economy with AIAt Fanvue, one of the world's fastest-growing platforms for creator monetization, we are revolutionizing how creators engage with their audiences through AI technology. Our platform empowers creators to connect, engage, and monetize their content directly, reaching millions of fans globally. Following our successful Series A funding, we've achieved over $100 million in annual recurring revenue, marking a remarkable triple-digit growth rate and supporting a vibrant community of creators and fans.As we continue to scale, we are focused on developing innovative AI-native products that set us apart in the creator economy. This role is for proactive engineers eager to tackle challenging problems, deliver quickly, and leverage AI as a fundamental aspect of their work.

Join Our Team as a Senior Software Engineer IIAt Runna, we are assembling a skilled team dedicated to creating the premier training platform for runners. Our innovative app empowers everyday runners to achieve their best, offering world-class training, coaching, and community support for everyone from 5k enthusiasts to marathon first-timers.We are experiencing rapid growth! In November 2023, we successfully completed a $6.5M funding round led by JamJar, with contributions from Eka Ventures, Venrex, and Creator Ventures. Our app was recognized as one of three global finalists for Apple's iPhone App of the Year in 2024, showcasing the groundbreaking impact of our work. In 2025, we proudly joined the Strava family!Our goal is ambitious: to be the leading training platform for millions of runners worldwide. With our recent acquisition by Strava amplifying our mission, now is an exciting time to become part of something truly meaningful. Your Future TeamWe seek talented, innovative, and collaborative individuals to join our cross-functional engineering team. You will be an integral member of our newly formed Strength Team, collaborating with our modeling engineers and Team Strava to revolutionize strength training for athletes.You will work closely with our CTO and engineering leadership to shape the future of Runna, receiving support throughout this exhilarating journey. With a dynamic roadmap filled with opportunities, you will champion new technologies, solve meaningful challenges for millions of athletes, and enhance our existing architecture to elevate our engineering efforts.Your ResponsibilitiesArchitect, develop, test, and deploy new features across the full technology stack.Collaborate with the Product team to identify optimal solutions for an exceptional user experience.Partner with modeling and AI engineers to design the architecture that connects the Runna training engine with the Runna app.Provide technical assistance and mentorship to team members as needed.Guide and support fellow engineers through mentorship and code reviews, ensuring smooth workflows without bottlenecks.Contribute to operational efficiency by building and maintaining our development infrastructure.

Join Klaviyo as a Software Engineer specializing in SMS International. In this role, you will be instrumental in developing and optimizing our SMS platform, enhancing user experience, and driving innovation. You will collaborate with cross-functional teams to create scalable software solutions that meet the needs of our global customer base.

About UsOwkin is a pioneering AI company dedicated to unraveling the complexities of biology. We are on a quest to build the first Biology Super Intelligence (BASI), integrating advanced biological large language models, multimodal patient data, and innovative software solutions. At the core of our platform is Owkin K, an AI copilot, alongside Owkin Zero—an LLM specifically fine-tuned for biological research. Our tools empower researchers, clinicians, and drug developers to deepen their understanding of biology, validate scientific hypotheses, and accelerate the delivery of improved diagnostics and therapies.This position is available at our London office or can be performed remotely within the UK and Germany.Please submit your CV in English.About the Role:This pivotal role sits at the crossroads of cutting-edge AI technology and critical biological research. As a Software Engineer, you will play a vital part in developing the foundational technology that powers Owkin's Data Transformation Agent (DTA), enabling the creation of “ML-ready” multimodal datasets. You will have the autonomy to steer the technical direction of your projects, selecting the most effective tools and development strategies to achieve your goals. Join a highly skilled, international team that is passionate about both technological innovation and scientific exploration.Your Responsibilities:Lead Agent Development: Spearhead the development of Owkin’s Data Transformation Agent (DTA) and contribute effectively to the core components and agents of our platform, “K-Pro.”Orchestrate Data Workflows: Design, implement, and maintain sophisticated data transformation workflows utilizing tools such as Apache Airflow for robust orchestration.Deployment and Integration: Oversee the seamless integration and deployment of the DTA within Owkin's broader Data Platform infrastructure.Ensure Code Excellence: Establish and enforce rigorous engineering practices, including Test-Driven Development (TDD) and best practices for deployment and quality assurance, while performing code reviews to uphold high standards.Technical Leadership: Direct critical technical decisions and trade-offs, mentoring team members and guiding architectural strategies.

Plaid Technologies is hiring a Software Engineer in London. This role centers on building products and systems that help shape the future of financial technology. Role overview As a Software Engineer, you will contribute to projects that impact how people interact with financial services. The team values collaboration and creative problem-solving, and welcomes those ready to engage with complex technical challenges. What you will do Work with others to develop and improve Plaid’s financial technology products Take part in projects that influence the direction of finance solutions Help solve technical problems as part of a supportive team Who we’re looking for Interest in financial technology Enjoys working with others to solve problems Ready to take on technical challenges in a collaborative setting

About the Role Samsara is hiring a Software Engineering Manager based in London (UK2) or remotely within the UK. This position leads a team of engineers focused on building software that helps businesses work smarter and more efficiently. What You Will Do Guide and support a team of engineers as they design, build, and deliver software products Shape product development by collaborating with cross-functional partners Encourage a team culture that values creativity, technical growth, and collaboration Work Location London, UK2 office Remote within the UK

Software Engineer - New Graduate OpportunityEmbark on an exciting journey with us as we revolutionize the way individuals shop and dine, driven by innovation, impact, and growth. Our engineering teams confront intricate technical challenges within a global, multifaceted marketplace, developing and scaling systems that cater to millions of customers, riders, and partners daily.From real-time logistics to robust infrastructure and marketplace optimization, we craft and manage technology that fuels Deliveroo's expansive growth.We are on the lookout for a Software Engineer to become part of our dynamic London team. In this role, you will play a vital part in shaping the future of on-demand delivery, contributing to the services that empower our global marketplace.Discover more about our Engineering team — what motivates us, our working style, and what you can anticipate.ResponsibilitiesJoin a high-impact engineering team at our London headquarters. As a New Graduate, you will engage with production systems that influence millions of users, supported by a prestigious team of engineers.Your Daily Tasks May Include:Develop High-Quality Code: Enhance code structure and aid in designing the architecture of services utilizing languages like Go, Ruby, Python, or Scala.Feature Ownership: Take charge of specific tasks, assisting in design, technical execution, and impacting your team's roadmap.Operational Excellence: Strive to streamline the maintenance and health of production systems, ensuring operational readiness and transparency.Cross-Functional Collaboration: Foster relationships with other engineering teams to discover collaboration opportunities and address complex marketplace challenges.Mentorship Growth: Gain from the support of senior colleagues while ultimately aiding in the development of your peers through code reviews and knowledge sharing.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each of our team members bring to our collaborative environment. We believe in empowering every individual to achieve their potential, and we value the unique contributions that extend beyond conventional job criteria. If you find yourself closely matching our profile, we encourage you to apply. To explore our vibrant culture, visit klaviyo.com/careers to discover how we empower creators to shape their destinies.Why You Should Join the Internationalization Platform TeamThe Internationalization (i18n) Platform team is responsible for all aspects of creating, processing, and delivering internationalization features for Klaviyo users. As a Senior Software Engineer, you will play a pivotal role in mentoring and driving complex, multi-component projects within the i18n platform. Your contributions will be essential in managing translations, rolling out new localization features, accommodating multiple currencies, and refining our internationalization processes.Joining our highly technical team means engaging with professionals who possess significant domain expertise. We manage tools and services that are integral to the organization, spanning from frontend user interfaces to backend data infrastructure. Our team orchestrates several services that facilitate the translation pipeline in collaboration with our localization experts.Looking ahead to the next 6-12 months, we are committed to enhancing our capabilities by implementing large language model (LLM) workflows for improved translation efficiency, expanding the availability of our Smart Translations product, and developing innovative features to support currency handling across various regions. Why You Should Join UsWe cultivate a culture that prioritizes psychological safety, collaboration, and work-life balance, offering flexible working hours and structured on-call rotations.Emphasizing a “you make it, you support it” philosophy, we expect engineers to provide on-call support for our products in the event of incidents. We compensate for on-call rotations and aim to minimize incidents that require call-outs. New engineers will gradually transition into the on-call rotation, typically joining after their first six months of comprehensive training.

Join Scopely as a Senior Full-Stack Software Engineer and be part of our innovative Monopoly GO! game team, working remotely from the UK or Portugal. Our diverse team comprises talented individuals from the UK, Spain, Portugal, and the US, all dedicated to creating engaging gaming experiences. At Scopely, we are passionate about our mission to inspire play every day, both in our collaborative work environment and through our connections with our global community of players. We pride ourselves on being a worldwide team of game enthusiasts who are at the forefront of the mobile gaming industry, connecting millions of users daily. Monopoly GO! is one of our flagship casual games, boasting a player base of over 10 million daily active users. Our European and US-based team collaborates daily to deliver captivating experiences for our players. The Team: We are expanding our cross-functional team focused on game integrity. In this role, you will collaborate with cybersecurity experts, data engineers, product managers, and technical leadership to ensure that our game remains safe and fair for everyone. Our Tech Stack: Unity mobile game with a .NET/C# back-end Extensive use of AWS infrastructure (EC2, Memcache, Dynamo, Redis, ElasticSearch, etc.) CI/CD pipeline utilizing GitHub Actions, Bamboo, Spinnaker, and more Monitoring with tools such as Datadog, Bugsnag, Kibana (OpenSearch), and AWS console

Join Our Team as an Automation Software Test Engineer - £400 per day (6+ Months / Remote Work Available / Outside IR35)We are looking for a talented Automation Software Test Engineer to join our dynamic team working on an exciting greenfield project. In this role, you will collaborate closely with a small team of developers and UX designers in a friendly, non-corporate agency environment. Our flat organizational structure values contributions over titles, allowing for an innovative and flexible work atmosphere.Location·Option to work from London, Bristol, or Cornwall.·Full remote work flexibility.

The Position: We are in search of motivated and passionate Graduate Software Engineers to join our dynamic Engineering team in London. The ideal candidates will collaborate within cross-functional teams alongside product managers and designers, working closely with various departments to produce quality code that addresses genuine challenges for both internal and external stakeholders. This role offers the opportunity to take ownership of the solutions your team develops, ensuring excellence in all released products while contributing to a high-performing international development team. If you’re eager to tackle real-world problems through coding and thrive in a results-oriented environment, this could be the perfect opportunity for you. Key Responsibilities: Craft Solutions: Identify and define optimal technical solutions to business challenges, contributing to an architectural vision aimed at establishing us as the world’s leading research platform. Deliver Functional Code: Engage with React for frontend development and Kotlin microservices with PostgreSQL for backend solutions, while also maintaining legacy services in Ruby on Rails. We continuously evaluate new technologies that might enhance our stack. Deploy and Improve: Release updates frequently to our users, utilizing CIrcleCI and Spinnaker for CI/CD processes and rapidly gather user feedback to inform subsequent iterations. Enhance Your Skills: Accelerate your learning through hands-on experience in building cutting-edge technology with seasoned professionals in a performance-driven setting. Engineers have access to our Learning and Development budget to quickly acquire specific technical skills. Monitor and Troubleshoot: Vigilantly oversee our services to identify errors proactively, diagnose root causes, and implement fixes efficiently. Your Profile: You are currently pursuing a degree in Computer Science or a related field. Technical Proficiency: Familiarity with Kotlin, Java, Python, or React is required. Demonstrated Achievements: You have a clear record of accomplishments in your studies or previous roles.

About UsOwkin is an innovative AI company dedicated to unraveling the complexities of biology. We are on a quest to develop the first Biology Super Intelligence (BASI) that fuses advanced biological large language models, diverse patient data, and autonomous software. At the core of our system is Owkin K, an AI copilot, along with our new biology-tuned LLM, Owkin Zero. This technology empowers researchers, clinicians, and drug developers to deepen their understanding of biological processes, validate scientific hypotheses, and accelerate the delivery of superior diagnostics and therapies.About the Role:We are in search of outstanding Forward Deployed Engineers to become integral members of our team, operating at the cutting-edge of AI and biology. In this pivotal role, you will collaborate closely with leading pharmaceutical and biotechnology firms to address complex challenges by tailoring our agentic AI platform, Owkin K, for their specific needs. Additionally, you will play a crucial role in influencing the evolution of our product by bringing back insights gathered from the field.Your responsibilities will encompass the following key skill areas:Engineering Execution: You will convert domain knowledge into reliable, scalable systems. From rapid prototyping to production-ready deployments, you will create comprehensive AI solutions built on Owkin K that enhance value across customer workflows and organizational structures.Customer Collaboration: Partnering with pharmaceutical and biotechnology clients, you will identify needs, validate concepts, and iterate swiftly. Your skills in listening, understanding, adapting, co-creating, and communicating are essential for driving adoption, ensuring usability, and delivering sustainable solutions.Navigating Complex and Regulated Environments: You will excel at swiftly integrating into intricate client organizations, effectively balancing the demands of compliance and innovation to drive impactful outcomes.

Thank you for your interest in Uncountable Engineering!About Us‍At Uncountable, we are on a mission to transform industrial research and development through innovative software solutions. We are passionate about the intersection of technology and science, and we seek talented software engineers who are equally enthusiastic about chemistry, biology, material science, or related fields. Join our team to help create cutting-edge applications that will expedite the development of new chemicals and materials.Role OverviewYour primary responsibility will involve crafting data integrations for our clients, enabling them to seamlessly gather data from laboratory equipment and establish automated data transfer protocols. This position will predominantly require proficiency in Python programming to develop effective solutions.Salary Range: €50K-€70K + Equity