Senior Back-end Developer

Job Description

At Tillit we believe that long-term investment success lies in funds. But the user experience of investing in funds is poor, outdated and dull. We are on a mission to change that by building Tillit - a world-class, device-agnostic investment platform focusedon offering what we believe to be best-in-class funds to personal investors. Through storytelling and transparency, we are empowering people to make better long-term investment decisions.Tillit means trust in Swedish. Trust is fundamental to what we do andit underpins everything from our culture to the relationships we hope to build with our customers. By creating an outstanding product, providing helpful content in plain English, and offering an excellent customer experience, we seek to earn that trust fromour customers.*About the role:*We are looking for an enthusiastic Senior Back-End Software Developer to join our team and help take the platform to the next level. Working directly with the founding team, this is an opportunity to play a key role in the directionof the platform.You will extend and enhance Tillits back-end systems to support new product types and customer experiences, develop GraphQL and REST API schemas in conjunction with the front-end team to support the platform and improve our resilience, scalabilityand security through incremental improvements to our system architecture.*Responsibilities:** Extending Tillits back-end services to support new products and new internal processes.* Taking over ownership from the CTO of a selection of the delivery of severalback-end services and continuously improving them.* Integrating new external APIs and data sources in safe, reliable ways.* Improving service resilience and performance.* Measuring and tackling technical debt.* Improving monitoring and observability acrossthe back-end (including distributed tracing, alerting and metrics generation).*About you:** Youre interested in operating across a wide variety of business areas on a weekly basis, using the latest technologies in a cloud-first environment.* You have strongand demonstrable experience working on the backend of a technology product and want to work in an agile, multi-disciplinary team.* You want to help build, scale and operate a platform to support a product that will change the way people invest.* You want tolearn more about new technologies and the investment industry.* Youre comfortable working in a small team that deals with ambiguity and quick turnarounds.* You are proactive, detail-oriented and a problem solver.* You take a positive, optimistic approachto new ideas whomever they come from - and keep pushing them further, instead of shutting them down.* Youre looking for a high-impact, high-visibility role within a small company where you are responsible for the work you deliver to production and think aboutquality accordingly.* You seek and find consensus when proposing and taking technology decisions, naturally consider different approaches and can communicate the trade-offs between them to technical and non-technical teams.* Strong written and spoken English.*Requirements:**Demonstrable experience of designing, developing, implementing and supporting service-based architectures in an agile development team.* Strong C# knowledge and a track-record of delivering robust, well-tested ASP.NET Core APIs.* Solid relational databasemodelling experience, including performance optimisation - Postgres exposure strongly preferred, but any relational database is fine.* Ideally some knowledge of or exposure to Node development, or a desire to learn it.* Knowledge of and ideally experienceof implementing DevOps processes, including managing CI/CD pipelines, Infrastructure as Code (of any flavour), feature-toggling and monitoring.* Please note that for this role we can only consider UK residents with the right to work in the UK.*Nice to have:**Experience in finance or any numerically-focused domain is a plus, but not required.* GraphQL experience (especially schema stitching, evolution and management) is a strong plus, but not a requirement.*Our tech stack:*You may not be using all of these everyday, but these are some of the technologies and platforms we are using and that youll need to know already or want to learn:* C#* .NET Core* Node* Postgres* Docker* AWS services - mainly Fargate, Lambda, SNS/SQS, DynamoDB, S3* AWS CDK* GraphQL* Datadog-*Flexibility:**We operate a hybrid model and its up to you how you want to split your time between the office (London or Edinburgh) and working from home* 25 days + English bank holidays which you are free to take whenever you like* As a multinational team, we support youworking from another country for part of the year*Learning & development:** Self-directed, accumulating, learning budget of £500 pa (disbursed quarterly)* MasterClass membership* Lunch & learn session across topics, with Tillit paying for your lunch*Health& wellbeing:** Moving is a pain, so were giving you 2 paid moving (or recovery) days* On-site gym (London office only)* Unlimited tea, coffee, fruit and snacks in the office* Video intro chat with one of the founders* Video tech test or home assignment +Behavioural interview* Informal video chat with team member followed by conversation with both founders* We will share the interview process with all candidates we invite to interviewC#, ASP.NETC#, ASP.NET, APIs, PostgreSQL, Node.js, CI/CD, GraphQL