At a Glance
- Tasks: Build and enhance investment platform applications using Python, SQL, and React.
- Company: Join a leading investment firm transforming technology for future success.
- Benefits: Enjoy competitive salary, generous leave, and a bonus scheme based on performance.
- Other info: Hybrid work environment with excellent career growth opportunities.
- Why this job: Make a real impact in investment management technology while growing your skills.
- Qualifications: Strong Python and SQL skills, with experience in app development and data analysis.
The predicted salary is between 60000 - 80000 £ per year.
Are you ready to chart your own career path? With our refreshed strategy, we’re building on our rich heritage and transforming our business to be more scalable and efficient, unlocking the capabilities needed for future success. This includes significantly investing in technology, streamlining the way we work and creating an environment where colleagues feel engaged, empowered and accountable; where they can show up, speak up and perform - because we believe in the difference our work makes.
At a glance:
- Location: London - Lombard Street Office
- Workplace Type: Hybrid
- Employment Type: Permanent
- Seniority: Mid-Senior Level
About the role:
The Investment Platforms team bridges the gap between Investments and Technology, partnering closely with the Investment Directorate and Investment Operations teams to deliver technology change and operate platform systems that underpin our Investment Proposition. They manage a diverse and specialist technology landscape, including discrete applications, platform technologies, underlying data stores, market data solutions, and 3rd party managed services. The team works with the broader technology community to ensure Investment systems are scalable, secure, and aligned with business priorities, enabling innovation and operational excellence across the investment lifecycle.
As an Investment Platform Engineer, you will engineer and support the end‑to‑end development, enhancement, and release of platform features using a broad range of technologies including but not limited to; Python, web frameworks, SQL, and React. You will ensure the reliability of internal applications, contribute to the availability and monitoring of automated workloads, and help deliver robust data and application services for investment teams.
You will also configure and execute jobs across third‑party investment platforms including Bloomberg, Aladdin, and FactSet, acting as a technology SME and partnering with Data, Technology, and Vendor Management teams to ensure enhancements to the investment technology estate are resilient, scalable, and fit for purpose. This is an excellent opportunity for a technical professional looking to specialise in investment management technology, combining software engineering, data engineering, and applied investment systems knowledge.
What you’ll be doing:
- Building, enhancing, and maintaining internal applications to support Investment workflows, using SQL, Python, modern web frameworks and JavaScript/React.
- Delivering features end‑to‑end, including development, testing, release, and maintenance.
- Implementing high‑quality engineering practices including code versioning, peer reviews, optimisation, and adherence to development standards.
- Monitoring and managing automated job execution across internal and third‑party systems, escalating and resolving issues where needed.
- Maintaining highly reliable platform environments, ensuring data stores, APIs, and analytics tools remain available and accurate.
- Executing and configuring scripted or scheduled processes supporting investment teams.
- Performing data extraction, manipulation, and analysis using Python and SQL to support application logic and operational workflows.
- Investigating data anomalies and ensure the accuracy and integrity of investment datasets (security, positions, prices etc).
- Reconciling systems to ensure consistent data across the platform ecosystem.
- Acting as an Investment Tech SME when working with Data, Technology, and Vendor Management teams on platform enhancements.
- Supporting colleagues across Investment functions to self‑serve analysis and reporting via platform applications.
- Contributing to Data Stewardship activities by representing investment data requirements and ensuring upstream changes remain robust.
- Identifying opportunities to enhance platform workflows, engineering processes, automation, and overall system reliability.
- Promoting best practices for EUDA (End User Developed Application) governance and coding standards within Investment teams.
About you:
We’re looking for a curious and hands-on engineer with strong Python and SQL skills, a passion for building reliable applications, and the ability to bridge technology and investment teams. You'll be a proactive problem-solver who enjoys improving systems, automating processes, and delivering real business value.
Essential Criteria:
- Experienced in building & maintaining applications to support internal business processes and workflows.
- Proficiency in front end app development (React/JavaScript or similar) and web framework (Flask/Django/FastAPI).
- Highly capable in data pipelining using tools like Airflow & DBT, and data extraction, manipulation and reporting using Python & SQL.
- Experience with code versioning, optimisation and associated best practices, including Git, pull requests, unit testing, CI/CD and familiarity with enterprise SDLC.
- Data analysis to investigate and quality control datasets feeding applications. Ideally within an asset management context.
Desirable Criteria:
- Practical experience building, deploying, or running data/software solutions on cloud infrastructure (AWS/Azure).
- Experience in using and supporting investment technology platforms such as Bloomberg, Factset, Aladdin, Axioma.
- Knowledge of typical financial/asset management data domains (positions, security, prices) and common asset classes.
Special Requirements:
Some business travel may be necessary.
What's in it for you?
We reward you for the work you do, whether that’s through our discretionary annual bonus scheme that reflects both personal and company performance, competitive annual leave allowance (28 days plus bank holidays, with the option to purchase an additional 5 days), or online rewards platform with a variety of discounts. We also have benefits to support whatever stage of life you are in, including:
- Competitive parental leave (26 weeks full pay).
- Private medical insurance (optional taxable benefit).
- 10% non-contributory pension (increasing with length of service).
Reasonable Adjustments:
We're an equal opportunities employer and want to ensure our recruitment process is accessible and inclusive for all, if you require reasonable adjustment(s) at any stage please let us know by emailing us at careers@sjp.co.uk.
Research tells us that applicants (especially those from underrepresented groups) can be put off from applying for a role if they do not meet all the criteria or have been on an extended career-break. If you think you would be a good match for this role and can demonstrate some transferable experience please apply, regardless of whether you tick every box.
What's next?
If you're excited about this role and believe you have the skills and experience we're looking for, we'd love to hear from you! Please submit an application by clicking ‘apply’ below and our team will be in touch. As a business regulated by the FCA we would advise you to familiarise yourself with the conduct regulations and in particular consumer duty obligations prior to an interview with SJP.
Full Stack Engineer (Investment Platform) in London employer: St. James's Place
St. James’s Place is an excellent employer, offering a dynamic work culture that prioritises employee well-being and professional growth. Located in Cirencester, this hybrid role as a Data Privacy Manager not only provides competitive benefits such as parental leave and health insurance but also fosters an environment where employees can thrive through collaboration and engagement with diverse stakeholders in the regulated financial services sector.
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We think this is how you could land Full Stack Engineer (Investment Platform) in London
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We think you need these skills to ace Full Stack Engineer (Investment Platform) in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at St. James's Place.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at St. James's Place and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at St. James's Place
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If St. James's Place uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
