At a Glance
- Tasks: Design and develop scalable backend services and cloud-native microservices.
- Company: Fractal Analytics, a leader in leveraging Big Data for Fortune 500 companies.
- Benefits: Competitive salary, hands-on experience, and opportunities for professional growth.
- Other info: Dynamic work environment with mentorship and collaboration across teams.
- Why this job: Join a passionate team and make a real impact in the fintech space.
- Qualifications: Expertise in Java/Kotlin and experience in banking or fintech required.
The predicted salary is between 63000 - 77000 £ per year.
It's fun to work in a company where people truly BELIEVE in what they are doing!
We're committed to bringing passion and customer focus to the business.
- Senior Software Engineer
- Duration: Sep 2026 – June 2027
- On-site Expectation: Up to 5 days per week in office
Brief about the Team & Fractal
Fractal Analytics is Leading Fortune 500 companies leverage Big Data, analytics, and technology to drive smarter, faster and more accurate decisions in every aspect of their business.
Fortune 500 companies recognize analytics is a competitive advantage to understand customers and make better decisions.
We deliver insight, innovation, and impact to them through predictive analytics and visual storytelling.
Role Details
We are seeking a
Senior Software Engineer with deep expertise in Java/Kotlin, cloud-native development, and distributed systems to design, build, and support scalable production banking and financial services systems.
The ideal candidate will combine strong technical leadership with hands-on engineering excellence and a proven ability to deliver scalable, resilient, and contributing across the full software development lifecycle.
Domain Experience
- Banking, payments, fintech, or financial services experience.
- Exposure to mission-critical, high-scale production systems, and payment network integrations.
- Experience building customer-facing platforms and transaction processing solutions.
- Understanding of security, compliance, resiliency, and operational risk requirements.
Roles and Responsibilities
- Design, develop, and support scalable backend services, APIs, and cloud-native microservices.
- Build distributed and event-driven systems using messaging and asynchronous processing patterns.
- Drive engineering excellence through architecture, coding standards, testing, and automation.
- Support production systems, incident management, troubleshooting, and operational resilience.
- Balance long-term architecture goals with short-term delivery priorities.
- Collaborate across engineering teams, product owners, architects, and business stakeholders.
- Mentor engineers, foster knowledge sharing, and shape technical direction.
- Promote responsible adoption of AI-assisted software development practices.
- Ensure engineering output meets stakeholder expectations, security, resiliency and compliance standards.
Technical Skills
- Strong hands-on experience with Java and/or Kotlin.
- Expertise in REST APIs, microservices, and distributed systems.
- Experience with AWS/multi-cloud cloud-native environments.
- Hands-on experience with messaging frameworks and event-driven architectures.
- Strong understanding of relational databases and data architecture patterns.
- Experience with CI/CD, Dev Ops, automation, and modern software delivery practices.
- Strong testing capabilities across Unit, Component, Integration, End-to-end, and Performance Testing.
- Familiarity with JVM ecosystem technologies, open-source frameworks, and production support.
Non-Technical Skills
- Strong leadership, ownership, and problem-solving mindset.
- Ability to thrive in ambiguous and rapidly changing environments.
- Excellent stakeholder management, communication, and collaboration skills.
- Proven ability to influence engineering practices beyond immediate teams.
- Experience coaching and developing engineers while driving continuous improvement.
- #J-18808-Ljbffr
Senior Software Engineer in London employer: BlackCube Labs
At BlackCube Labs, we pride ourselves on fostering a creative and collaborative work environment that empowers our employees to excel in their craft. With flexible working arrangements and a comprehensive benefits package, we support your professional growth while ensuring a healthy work-life balance. Join us in a vibrant location where innovation thrives, and take your career in CG animation to new heights.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer in London
✨Get Involved in Open-Source Projects
Diving into open-source projects is a brilliant way to showcase your skills and connect with other developers in the community. Not only will you beef up your GitHub profile but you might also catch the eye of someone at BlackCube Labs who values hands-on experience over just theory.
✨Attend Local Tech Meetups
Tech meetups are gold mines for networking and discovering job opportunities, especially in the fast-paced world of software engineering. Check out local listings for events in your area and don’t shy away from introducing yourself. This could lead directly to a temporary position at BlackCube Labs!
✨Showcase Your Work Online
With temporary roles, it’s all about standing out in a short space of time. Create a portfolio website where you highlight your projects and skills. Talk about your code, and provide links to your GitHub repositories. This will not only demonstrate your abilities but will also make it easier for recruiters at BlackCube Labs to see what you bring to the table.
✨Leverage Temporary Job Boards
Don’t forget to check specialised job boards for temporary software development roles. Websites like We Work Remotely or Remote OK often list short-term gigs that can be a perfect fit. Apply directly through our website as well, making sure your application is sharp—temporary roles can move fast!
We think you need these skills to ace Senior Software Engineer in London
Some tips for your application 🫡
Show Off Your Tech Skills:Make sure your CV highlights your tech stack and any programming languages you’re proficient in. Include specifics about any frameworks or technologies you’ve worked with; they can make you stand out in the sea of applicants. It’s all about showing that you have the chops we need at BlackCube Labs!
Portfolio 2.0:Since you’re applying for a temporary gig, it’s super important to showcase a portfolio that highlights your best projects. Include links to GitHub or any personal projects that demonstrate what you can do in a real-world environment. This gives us a taste of your style and your problem-solving approach!
Keep It Brief and Relevant:With a temporary position, we want to see your ability to hit the ground running. Be concise in your CV and cover letter; stick to experiences that directly relate to the role. Highlight any previous temporary roles or freelance gigs that show your adaptability and quick learning!
Tailor Your Cover Letter:Don’t just send a generic cover letter. Personalise it for Senior Software Engineer at BlackCube Labs! Mention why this temporary role excites you and how you see yourself contributing in the short run. Show us what you've got and why you're the one for this quick turn-around!
How to prepare for a job interview at BlackCube Labs
✨Nail the Technical Skills
For a software engineering role, you'll likely face technical questions or coding tasks during your interview. Brush up on the relevant programming languages and frameworks that BlackCube Labs uses, and don’t forget to practice some coding challenges on platforms like LeetCode or HackerRank. Showing your coding prowess can really make you stand out!
✨Prepare for System Design Questions
Even for a temporary role, having a grasp of system design principles can be crucial. Be ready to discuss how you would architect a software solution, including discussing trade-offs, scalability, and performance considerations. Having examples from previous projects can really show off your analytical thinking.
✨Demonstrate Your Adaptability
Since this is a temporary role, you'll want to emphasise your ability to hit the ground running. Highlight experiences where you quickly adapted to new technologies or teams. Let’s make it clear to the interviewers at BlackCube Labs that you can learn on the job and deliver results in a short timeframe!
✨Show Off Your Portfolio
Make sure to have a portfolio or GitHub ready showcasing your projects. Having tangible evidence of what you've done—be it personal projects, contributions to open-source, or previous work—can convey how capable you are. Tailor this for what might interest BlackCube Labs, so it's relevant and sparks conversation during your interview.
