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Key skills in this ad
Skills and tools
Banking
APIs
Testing
AI
Observability
MySQL
CI/CD
Picked out automatically from the employer's ad. Read the full description before applying.
About this role
Join our newly formed banking team as a Senior Backend Developer. Help shape scalable, accessible, customer-focused banking experiences alongside talented, driven colleagues.
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At E2E Group, we are building banking products and services within Entra, our banking domain.
You will join a newly formed team of experienced, driven colleagues and help shape both the technology we build and the way we work together.
We are looking for a Senior Backend Developer to help build the core systems, services, and integrations behind our banking products, both internal and customer-facing.
About the role
As a Senior Backend Developer, you will take business needs through to working software, with a focus on core business logic, backend services, APIs, integrations, and databases.
You will work primarily with Go, alongside relational and NoSQL databases. You will consider how services, data, and integrations fit together and take responsibility for the complete development lifecycle, from requirements and system design to testing, deployment, and ongoing maintenance.
This is a hands-on role with a high degree of autonomy. You will help shape backend architecture, drive technical improvements, and act as a technical reference point for the team. You will work closely with QA, other engineers, product and business stakeholders, and our data and platform teams.
You will also help shape how we use AI in software development, from everyday coding assistance to enhancing AI-driven workflows for implementing, testing, and maintaining software.
Your main responsibilities will include:
Core systems development: Build, maintain, and improve the backend services and business logic that support our banking products and operations.
System design: Translate business needs into practical technical solutions. Define service boundaries and responsibilities, considering reliability, security, scalability, performance, and maintainability.
APIs and integrations: Develop dependable APIs and integrations between internal systems and external services, with clear contracts, validation, and error handling.
Data and persistence: Design and maintain data models and storage solutions, with attention to data integrity, consistency, query performance, and how data moves between systems.
AI-assisted development: Use AI tools to support coding, testing, and refactoring. Contribute to improving AI-driven development workflows, applying engineering judgment and taking ownership of the quality and behaviour of the resulting software.
Quality and production ownership: Test how services and integrations behave, support deployment and observability, investigate issues across system boundaries, and improve reliability after release.
Technical improvements and collaboration: Reduce technical debt, improve shared patterns, and document important decisions. Help the team understand technical options, assumptions, and constraints.
Mentorship and engineering standards: Support junior and mid-level developers through code reviews, knowledge sharing, and practical guidance in backend development and system design.
Who you are
You are a self-motivated, collaborative engineer who enjoys understanding a problem and seeing the solution through to production.
You are comfortable working with complex business logic and core systems. You understand how service boundaries, integrations, and data models affect system behaviour, and you use that understanding to make sound technical decisions. You can investigate difficult backend problems and improve existing systems incrementally.
You work independently within a collaborative team, ask useful questions, and involve colleagues when their expertise will improve the outcome. You balance delivery with long-term maintainability and help the team build software that others can understand, extend, and operate.
You are curious about how AI can improve engineering work and enjoy experimenting, evaluating the results, and sharing what works with colleagues.
Required technical expertise
Backend development: Strong experience building backend services and APIs in Go or other typed languages.
System architecture: Experience designing maintainable core systems, including service boundaries, business logic, APIs, and integrations.
Databases: Practical experience with MySQL and NoSQL databases, including data modelling, performance, and understanding how data access affects application behaviour.
Reliability: Experience designing for failure scenarios, handling errors, and maintaining data consistency across services and integrations.
Quality and security: Experience writing testable code and relevant automated tests, with attention to validation, data integrity, performance, and secure handling of data.
Engineering workflow: Experience with version control, pull requests, code reviews, CI/CD, observability, and maintaining applications in production.
Experience in the European financial sector, hands-on development in Go, or developing AI-driven workflows is a strong plus.
What we offer
You will join E2E Group and work within Entra’s newly formed banking team, with room to influence technical decisions, core system architecture, and how we work with backend development and tooling.
We offer your choice of equipment, hybrid work, regular social activities, a modern office in central Stockholm, as well as flexible working hours.
Application
We review applications on an ongoing basis. We look forward to hearing from you!
Department
Product & Tech
Role
Development
Location
Stockholm
Remote status
Hybrid
About E2E Group
E2E Group aims to revolutionize the lending industry by putting the needs of the user at the center. Our vision is to provide a platform where everyone has access to the right financing solutions. E2E Group is a company with several brands, including Enklare and Entra .
Founded in
2014
Coworkers
83
Delivery
Hybrid working
Flexible hours
Entry level
Senior
Pay
Pay is not stated in the ad.
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