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- Tasks: Enhance web crawling systems and optimise data tools for real-time processing.
- Company: Join Synexus, a forward-thinking ad tech company in London.
- Benefits: Competitive salary, flexible hours, remote work, and professional development.
- Other info: Diverse workplace with excellent career growth opportunities.
- Why this job: Make an impact in the ad tech space with cutting-edge technology.
- Qualifications: 7+ years in software engineering, strong Python and AWS skills required.
The predicted salary is between 100000 - 120000 ÂŁ per year.
Synexus is seeking a Senior Software Engineer to join our dataâdriven ad tech team located in London, England.
About Synexus: At Synexus, we help advertisers rethink how they show up in the news ecosystem. Our new brand leverages topicâbased analysis to enable premium journalism in media plans, driving better reach, performance, and efficiency.
Key Responsibilities:- Enhance and maintain our open web crawling system, solving edge cases such as paywalled or obfuscated content to ensure reliable and comprehensive data collection.
- Build and optimize internal tools and infrastructure that empower data scientists and analysts to access and explore largeâscale data with speed and minimal friction.
- Support our transition from batch to realâtime data processing, including the design and implementation of queueâbased pipelines and eventâdriven architectures.
- Develop and maintain data integrations with key demandâside platform (DSP) partners, ensuring reliable and secure data delivery at scale.
- Work across the stack as needed, whether improving backend performance, helping with API design, or optimizing data workflows.
- Contribute to core engineering practices such as code reviews, testing, observability, and CI/CD to help grow a robust, maintainable codebase.
- Mentor junior engineers, shepherd projects from ideation to completion, and constantly improve processes.
- 7+ years of experience building and maintaining production systems.
- Successful experience as a senior/lead engineer with demonstrated mentoring, project management, and technical leadership skills.
- Excellent Python skills with 5+ years of clean, maintainable, wellâtested code.
- Deep experience with AWS services (EC2, S3, Lambda, CloudWatch, ECS/Fargate) focused on building reliable, scalable infrastructure.
- Strong understanding of relational databases, particularly PostgreSQL, and experience writing efficient queries and managing schema changes.
- Deep experience with data pipelines or eventâdriven architectures, including message queue tools such as SQS, Kafka, or similar.
- Excellent debugging and problemâsolving skills, navigating ambiguity and prioritizing effectively.
- Deep experience with CI/CD pipelines, version control such as Git, ensuring smooth development workflows.
- Excellent communication and collaboration abilities within a small, crossâfunctional team.
- Remote or virtual team experience and ability to work across time zones.
- Experience building or working with web crawlers at scale.
- Exposure to data engineering or analytics workflows.
- Interest or experience with ad tech ecosystems or external partner integrations.
- Experience using agile projectâmanagement tools (Jira, Asana).
- Bachelor's degree in Computer Science, Engineering, or related field.
- Comfortable with onâcall rotations and rapid response.
- Competitive salary.
- Health, dental, and vision benefits (USâbased team only).
- Flexible working hours and remote options; Fullâtime, 1.0 FTE (37.5 hrs per week). Work overlapping US Central hours required.
- Professional development opportunities.
- Diverse and inclusive workplace committed to equality and belonging.
Location: London, England, United Kingdom.
Senior Software Engineer in London employer: Synexus
Contact Detail:
Synexus Recruiting Team
StudySmarter Expert Advice đ¤Ť
We think this is how you could land Senior Software Engineer in London
â¨Network Like a Pro
Get out there and connect with folks in the industry! Attend meetups, webinars, or even just grab a coffee with someone who works at Synexus. Building relationships can open doors that a CV just can't.
â¨Show Off Your Skills
When you get the chance to chat with potential employers, donât hold back! Share your past projects, especially those involving Python, AWS, or data pipelines. Let them see how you tackle challenges and solve problems.
â¨Tailor Your Approach
Before any interview, do your homework on Synexus and their ad tech focus. Tailor your examples to show how your experience aligns with their needs, especially around real-time data processing and mentoring junior engineers.
â¨Apply Through Our Website
Donât forget to apply through our website! Itâs the best way to ensure your application gets seen by the right people. Plus, it shows youâre genuinely interested in joining our team at Synexus.
We think you need these skills to ace Senior Software Engineer in London
Some tips for your application đŤĄ
Tailor Your CV: Make sure your CV is tailored to the Senior Software Engineer role. Highlight your experience with Python, AWS, and any relevant projects that showcase your skills in building and maintaining production systems.
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about ad tech and how your background aligns with our mission at Synexus. Donât forget to mention your mentoring experience and leadership skills!
Showcase Your Problem-Solving Skills: In your application, give examples of how you've tackled complex problems in past roles. We love seeing candidates who can navigate ambiguity and come up with effective solutions, especially in data processing and infrastructure.
Apply Through Our Website: We encourage you to apply directly through our website. Itâs the best way for us to receive your application and ensures youâre considered for the role. Plus, it shows youâre keen on joining our team!
How to prepare for a job interview at Synexus
â¨Know Your Tech Stack
Make sure youâre well-versed in the technologies mentioned in the job description, especially Python and AWS services. Brush up on your knowledge of relational databases like PostgreSQL and be ready to discuss your experience with data pipelines and event-driven architectures.
â¨Showcase Your Problem-Solving Skills
Prepare to share specific examples of how you've tackled complex problems in previous roles. Think about edge cases you've solved, particularly in web crawling or data processing, and be ready to explain your thought process and the impact of your solutions.
â¨Demonstrate Leadership and Mentorship
Since this role involves mentoring junior engineers, come prepared with examples of how you've led projects or supported team members in the past. Highlight your project management skills and how youâve contributed to a collaborative team environment.
â¨Ask Insightful Questions
Interviews are a two-way street! Prepare thoughtful questions about Synexus's approach to ad tech, their data integration processes, or their transition to real-time data processing. This shows your genuine interest in the role and helps you assess if itâs the right fit for you.