Lead Software Engineer

On site

London, United Kingdom

Full Time

23-04-2025

Share this job:

Score my CV Apply

Job Specifications

We’re defining what it means to build and deliver the most extraordinary sports and entertainment experiences. Our global team is trailblazing new markets, developing cutting-edge products, and shaping the future of responsible gaming.

Here, “impossible” isn’t part of our vocabulary. You’ll face some of the toughest but most rewarding challenges of your career. They’re worth it. Channeling your inner grit will accelerate your growth, help us win as a team, and create unforgettable moments for our customers.

The Crown Is Yours

We're growing quickly and we’re looking for a Lead Software Engineer to help establish and lead a team-centered around the mission of providing a best-in-class experience for our customers. This position requires strong technical skills and a bias toward collaboration. You will be working across teams, informing business decisions, and helping to expand our enterprise software platform.

What you’ll do as a Lead Software Engineer

Take ownership for the design, development, maintenance, testing strategy, and operations of a full-stack team, with API services written primarily in C# with SQL databases hosted in AWS, front-end Single Page Applications written primarily in Node.JS, React, and Redux, and native iOS and Android applications.
Collaborate with business leads across the company to define milestones and deliveries for new functionality to be added to existing applications.
Care about agility as much as you care about scalability. We roll out products very quickly and are looking for a team that can pivot at a moment’s notice.
Work with your team under fast deadlines to design, build, and deliver innovative applications.
Lead your team in design sessions and ensure your team delivers high-quality work that aligns with the missions of our applications and platform.

What you’ll bring

You have experience as the ‘expert’ on a development team where you were responsible for everything from planning to delivering key features and management of those features.
Expertise with at least one object-oriented language like C# or Java.
Experience with .NET Framework or .NET Core is preferred.
You have strong relational database skills using technologies like MySQL or SQL Server.
Familiarity with modern client JS frameworks, like Node.JS, React, and Redux as well as AWS services and infrastructure.
Familiarity with native application development (iOS or Android)
You also have the ability to write automated comprehensive test suites at all levels of the architecture.

Join Our Team

We’re a publicly traded (NASDAQ: DKNG) technology company headquartered in Boston. As a regulated gaming company, you may be required to obtain a gaming license issued by the appropriate state agency as a condition of employment. Don’t worry, we’ll guide you through the process if this is relevant to your role.

About the Company

It's simple, we believe life is more fun when you're in on the action. For that reason, we’re committed to responsibly creating the world’s favorite games and betting experiences. At DraftKings, The Crown Is Yours. We are driven by the thrill of the future and the pull of possibility. As an original, continuous gamechanger, we’re shaping the present and future of sports entertainment and digital experiences, leading the way into new markets with new products, and providing the ultimate experience to our customers. Here,... Know more

Related Jobs

Company Name: AeroCloud
Job Title: Software Engineer
Job Description: AeroCloud: Revolutionizing Airport Operations AeroCloud is the new-age operating system for airports aiming to grow. Our suite includes Airport Operating Systems (AOS), PPS, and Passenger Flow Management solutions, empowering airports to gain deep insights into the movement of passengers and aircraft around the world. We achieve this by becoming the airport’s first call for technology. Whether in times of need or growth, we stand alongside our clients, offering support through innovative software that drives their success. Our Commitment to Excellence At AeroCloud, being the airport’s first call means exceeding expectations at every customer interaction. This is not just a goal; it’s our standard. We prioritize detail, diligence, and a proactive approach in everything we do. If there’s a task to be completed, we see it through. If a customer needs an answer we don’t yet have, we respond promptly to let them know we’re on it. We believe in keeping our team informed, being transparent, and maintaining accountability at every step. Requirements Summary of Role Working as part of the Development team, this role will be primarily focused on writing high quality code to build our products and features and take the lead within one of the AeroCloud product squads. Ownership and Impact Develop and innovate on our AWS-based platforms, ensuring they remain at the forefront of the industry. Embrace our culture of engineering excellence, taking full ownership of your code from conception through to production. Continuously seek and implement improvements in code, processes, and methodologies. Challenge the status quo, constantly pushing boundaries to ensure our products are the best in the business. Core Skills AWS Proficiency: Deep understanding and experience with Amazon Web Services. Agile Methodology: Commitment to delivering value efficiently through Agile practices. Testing: Proficiency in various testing methodologies to ensure code quality. TypeScript: Strong skills in TypeScript for creating scalable and maintainable code. NoSQL Databases: Experience with databases like DynamoDB or MongoDB. Modern Development Practices: Expertise in modular design, code reusability, service layers, and separation of concerns. Desired Skills Observability: Skills in engineering for system health and performance monitoring. Serverless Infrastructure: Proficiency in building and supporting serverless architectures using tools like CDK or SST. Microservices & Event-Driven Systems: Experience in constructing and maintaining microservices and event-driven architectures. UI Frameworks: Ability to work with component frameworks for enhanced user experiences. Micro frontends/Federated Frontend Development: Expertise in creating modular and deployable UI components. CI/CD Pipelines: Strong skills in developing and maintaining CI/CD pipelines. Security: Solid understanding of security protocols and best practices. The duties and responsibilities of the role may vary and change depending on the AeroCloud business needs. What are we looking for? As a Software Engineer at our dynamic team, we seek an individual with energy and passion for technology. Your adaptability and proactive approach to new challenges define your work ethic, while your idea-driven and team-oriented mindset contributes fresh perspectives and values collaboration with colleagues. A pragmatic problem-solver, you approach tasks with practicality and demonstrate a keen eye for detail and thoroughness, ensuring high-quality outcomes. Your strong communication skills, coupled with customer-focus, enable you to articulate ideas and prioritize end-user needs. With a self-motivated attitude, you possess a strong desire for continuous personal and professional growth. We are looking for someone with 2+ years commercial experience working as a Software Developer with experience of the AeroCloud tech stack (javascript, Node.js). Experience with React and MongoDB is beneficial, but working in an agile methodology is essential. Benefits What's in it for you Competitive salary Best in Class Share Options scheme Flexible working environment 25 days annual leave + statutory holidays Take your birthday off work on us as well Access to our Employee Assistance Program Extensive upskilling and training Company pension scheme Access to employee perks and discounts Access to salary sacrifice - Cycle to work and EV scheme Digital Nomad policy Our ethos AeroCloud recognises Diversity, Equality, and Inclusion at the heart of our business. They represent the mutual trust, respect and understanding we strive for. They are integral to our brand, reputation, success, business sustainability and employee relations impact. Our vision is to have a diverse, equal and inclusive organisational culture. We want everyone who comes into contact with us, both face to face and virtually, to feel valued and respected. We want our workplace both in the office and at home to foster belonging to all colleagues to feel seen, connected, supported and proud. We will draw on the rich diversity of our workforce and harness the diverse contributions and considerable talents of our staff to achieve our vision in line with our organisational values and DE&I principles. AeroCloud is an equal opportunities employer so if you have any specific work or access requirements as a result of a condition or disability then AeroCloud would be committed to working with you on the best way to support this at work.

Manchester, United Kingdom

Remote

Full Time

05-05-2025

Company Name: Cloudflare
Job Title: Software Engineer, Platforms & Productivity
Job Description: About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time at Cloudflare. Come join us! Available Locations: Lisbon or London About The Department Cloudflare’s Engineering Team builds and runs the software that handles large amounts of requests on the Internet today. We also build and run the internal tools and platforms that run that software. Individual engineering teams are typically responsible for large areas with considerable impact, and able to execute autonomously within that space to deliver value to their customers - be they internal or external. Many of Cloudflare’s critical internal services run on Kubernetes. These services include those responsible for Cloudflare’s control plane and APIs, data analytics and other internal tools used to manage our global network. These Kubernetes platforms are purpose-built from the ground up and run on bare metal Linux in different regions around the world. The scale we work at involves tens of thousands of containers and terabits per second of network traffic. The team takes pride in knowing this platform helps run parts of the global Internet. About The Team And The Role The Engineering Platform and Productivity team has a charter to build a self-service, resilient, and scalable platform using a combination of Open Source projects, intellectual property, and internal infrastructure. The charter includes to build tools and services that help easily integrate a base set of capabilities into Cloudflare’s products. These services have cross cutting concerns that 100s of fellow engineers use as the building blocks at Cloudflare. The team also writes services that is redundant for each product development team to build and that serve high volumes of requests every day. As an engineer in the Engineering Productivity and Platforms organization, you'll be building and managing tools to help engineers deploy and operate the services that make Cloudflare work. Our mission is to provide a reliable, yet flexible, platform to help product teams release new software efficiently and safely. The role includes both software engineering and DevOps operational responsibilities. The ideal candidate will care deeply about providing other engineers with an excellent development experience. What You'll Do Design and build scalable and resilient systems that can keep up with company growth Design and build developer productivity tooling Harden the platform against security threats and resource contention issues Improve our GitOps systems and practices Improve the efficiency of managing resources such as CPU, bandwidth and storage Work with app teams to understand their potential challenges and help them choose the best way to architect their systems Drive initiatives that make our engineers happier and more productive. Help respond and prevent incidents impacting core platforms Desirable Skills, Knowledge And Experience Ability to work with codebases in Bash, TypeScript and Go Excellent debugging skills in a Linux environment Source control experience including branching, merging and rebasing Experience managing and deploying onto production Kubernetes or similar orchestration platforms The ability to break down complex problems into smaller pieces, provide options, talk through trade-offs and drive the effort to solve the problem Bonus Points Experience operating Kubernetes on-premise at scale in capacities including SRE, systems design or architecture Providing guidance and building platforms across multiple zones and regions as foundation for other teams to build distributed highly-available applications Worked in a platform engineering team/ engineering productivity team in the past. What Makes Cloudflare Special? We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet. Project Galileo: Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers--at no cost. Athenian Project: In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we've provided services to more than 425 local government election websites in 33 states. 1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers. Sound like something you’d like to be a part of? We’d love to hear from you! This position may require access to information protected under U.S. export control laws, including the U.S. Export Administration Regulations. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license. Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to their, or any other person's, perceived or actual race, color, reli...

London, United Kingdom

Hybrid

Full Time

06-05-2025

Company Name: TradingHub
Job Title: Quantitative Developer
Job Description: Compensation: £Competitive (Financial Services) About TradingHub Founded in 2010, we have grown from a united vision shared between two people to a team of over 140 across London, Toronto, New York and Singapore. We have achieved scale by building the best-in-class surveillance tooling, where our analytics bring the front office risk mindset to the compliance function. Though we have developed in the trade surveillance arena, we have always been more than that. At heart, we are a finance-focused big data firm. Our goal is to continue creating the world’s leading financial markets analytics platform. The Role We are seeking a Quantitative Developer to help design, build, and validate the models that power our industry-leading market surveillance and analytics products. As part of our metrics division, you'll collaborate with a team of engineers and quants to create and deploy market abuse metrics and detection algorithms. The successful candidate will combine excellent mathematical skills with the proven ability to engineer high-quality software in a practical setting. Responsibilities Development of sophisticated pattern-detection algorithms to be utilised across all of TradingHub’s product offerings Research and development of broad models of market dynamics across multiple asset classes Prototyping, testing, and validation of TradingHub’s proprietary mathematical/statistical models Use of in-house big data language for the large-scale pricing and analysis of security and risk data Implementation and optimisation of the core algorithms used by TradingHub to perform deep analysis of financial data Requirements Main Skills/Competencies: Proficiency with C#, C++ or Python Evidence of exceptional mathematical and analytical skills Initial industry experience working as a quant within a financial services organisation Some knowledge of risk sensitivities or "Greeks" such as Delta, Gamma, DV01 etc. Understanding of derivatives (e.g. swaps, options, futures) Confidence to experiment with new ideas and technologies Keen to work in a fast-paced environment Benefits Life at TradingHub is a rewarding journey within a fast-growing company that thrives on innovation and collaboration. By combining the best of both tech and finance, we’re able to solve complex problems together and deliver meaningful results to our customers. Everybody has value to bring, and we welcome individuality as a key driving force behind our collective success. Rooted in everything that we do are our core values: Accountability, Ambition, Partnership and Trust. These provide the foundation for a sustainable workplace culture and the platform for you to harness your unique experience and become the best version of yourself. We believe in our people and invest in their growth, and together, we can sit on the right side of history. Employee Benefits Annual discretionary performance bonus Hybrid working policy Aviva private medical insurance + Unum dental cover Extended parental leave (up to 6 months of fully paid maternity leave) 25 days annual leave + bank holidays Enhanced company pension plan Salary sacrifice scheme 5 days study leave towards professional qualifications Cycle to Work & Techscheme Death in service coverage Don’t tick every single requirement? Research shows that candidates from under-represented groups are less likely to apply unless they meet all the criteria. We are dedicated to building a diverse, equitable and inclusive workplace, so if this role excites you, please don't let our specification hold you back. Get in touch! TradingHub is an equal opportunities employer. We do not discriminate based on race, religion, ethnic or national origins, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, socio-economic background, responsibilities for dependants, physical or mental disability or other applicable legally protected characteristics. TradingHub selects candidates for interview based solely on their skills, experience and qualifications. We are committed to making our recruitment process accessible to all and we encourage candidates to inform us of any required adjustments. A full copy of our diversity, equity and inclusion policy will be made available to you upon request.

London, United Kingdom

Hybrid

Full Time

05-05-2025

Company Name: developrec
Job Title: Senior Software Engineer
Job Description: Senior C# Developer – Liverpool (Hybrid, 2 days in-office) – £60k-£75k + 10% Bonus We are excited to bring you this opportunity to be part of a major digital transformation that will reshape the landscape of a well-established brand with nearly 100 years of history. This is your chance to work on high-performance, real-time systems that must handle massive scalability challenges while ensuring minimal latency Why Join? Tech-Driven Transformation – Play a key role in modernizing a business with a strong legacy. Freedom to Innovate – Explore new technologies and influence technical decisions. Real-Time Challenges – Work on high-throughput, low-latency systems built to handle surges in traffic. The Role As part of a cross-functional team, you'll work closely with the Tech Lead to design, develop, and optimize high-performance applications. From gathering requirements to deployment, you’ll be hands-on in building scalable, event-driven systems within an Azure environment. What You’ll Need Strong C# development background Experience with Terraform or similar Infrastructure-as-Code (IaC) tools Hands-on experience with Azure development and deployment (AWS & GCP also acceptable) Knowledge of event-driven and message-driven architectures Understanding of HTTP, RESTful services, and CI/CD best practice What’s in It for You? Competitive Salary: £60k-£70k + 10% Bonus Work-Life Balance: 35.5-hour workweek Generous Holiday Package: 25 days annual leave + bank holidays Secure Future: 8% employer pension contribution Hybrid Flexibility: 2 days a week in Liverpool office A Culture That Supports You Flat management structure – Open communication and transparency Trust-based culture – You’ll have the autonomy to make an impact Opportunities to step up – Influence direction and grow your career If you’re interested please apply now!

Liverpool, United Kingdom

Hybrid

Full Time

06-05-2025