Backend Application Developer (Core Specialist Tier) at Allps

Allps GmbH; Basel; Hybrid; CHF 90,000 - 130,000; Full time

Benefits offered by this job

Competitive salary

Professional development

Collaborative work environment

Job summary

ALLPS is seeking an experienced Backend Application Developer to support a long-term Basel project. The role requires hands-on design, development, and maintenance of secure, scalable backend applications using .NET Framework, .NET Core, SQL Server, MySQL, Python, and MVC.

The ideal candidate will translate complex business processes into scalable server designs, ensuring high availability and secure multi‑tier services, with API and microservice patterns across an enterprise tech stack.

Qualifications

• Minimum 3 to 5+ years of enterprise software development in multi‑tier server architectures.
• Strong experience with .NET Framework, .NET Core, and MySQL.
• Good knowledge of MVC architecture.
• Strong database experience with SQL Server.
• Working knowledge of Python.
• Experience developing APIs and backend services.
• Fluent German communications (C1/C2) required.

Responsibilities

• Analyse and map business requirements to enterprise backend software components and middleware.
• Design and implement high availability, scalable, secure backend services with multi‑tier architecture.
• Model relational databases and optimize ORM configurations.
• Develop and document RESTful APIs and secure SOAP paths within a microservices pattern.
• Configure identity federation and modern auth protocols (OAuth2, OpenID Connect, SAML 2.0).
• Prepare and maintain deployment environments (local, staging, production) and automate packaging.
• Perform defect analysis and root‑cause remediation for high‑load production systems.
• Collaborate with distributed project teams and communicate in German during the interview process.

Skills

NET Framework

.NET Core

SQL Server

MySQL

Python

MVC

German (C1/C2)

Job description

Backend Application Developer (Core Specialist Tier)

Allps

3 years

12 years

Full Time

Hybrid

Workspace Type

Basel

Location

Backend Application Developer – Core Specialist Tier

Location: Basel, Switzerland
Contract Duration: 3 years, with possible extension
Experience Required: 3+ years.

Industry Experience: Utilities & Energy (Energie & Wasserversorgung) or Telecommunications or Banking & Financial Services or Information Technology & Services

Role Overview

We are looking for an experienced Backend Application Developer to support a long-term enterprise project in Basel. This is a 3-year contract role with the possibility of extension.

The ideal candidate will have strong hands‑on experience in designing, developing, and maintaining secure, scalable, and high-performance backend applications. The role requires solid expertise across Microsoft and open‑source technologies, including .NET Framework, .NET Core, Microsoft SQL Server, MySQL, Python, and MVC architecture.

Strategic Scope: Responsible for the rigorous structural translation of complex technical business processes and energy-sector transactions into scalable, highly available object‑oriented server designs, secure multi‑tier logical services, integrated API configurations, and decoupled microservice patterns.

Core Responsibilities

• Requirement Extraction: Systematically analyse, document, and map granular business requirements to engineer structural software components, robust middleware layers, and complete enterprise backend applications.
• Architectural Design: Define and implement strict functional and non-functional runtime profiles, including high availability, automated horizontal scalability, enterprise‑grade security protocols, and minimal processing latency parameters.
• Data Modeling: Conceptualise, construct, and manage normalized and denormalized relational database schemas, complex entity relationship models, and performance‑tuned object‑relational mapping configurations.
• Web Service Implementation: Build, test, document, and support enterprise web service integrations utilizing asynchronous RESTful APIs, high‑security SOAP communication paths, and structured microservices architecture layouts.
• Access & Federation Protocols: Configure and map identity federation integrations across legacy and modernised components by binding application endpoints strictly to modern access frameworks (OAuth2, OpenID Connect, SAML 2.0).
• Environment Deployment Support: Manage, maintain, and provision isolated localized, staging, and continuous testing application runtime environments, orchestrating automated system packaging and localized deployment workflows.
• Defect Analysis & Root‑Cause Remediation: Provide critical tier‑3 engineering diagnostic support, proactively profiling running server systems to detect, reproduce, isolate, and permanently resolve complex technical defects within high‑load production software systems.

Required Skills & Experience

• Minimum of 3 to 5+ years of demonstrable enterprise software development tenure in multi‑tier server architectures.
• Strong experience with .NET Framework, including .NET Framework 4.0, .NET Core, MySQL.
• Good knowledge of MVC architecture.
• Strong database experience with Microsoft SQL Server
• Working knowledge of Python.
• Experience developing APIs, backend services, and enterprise applications.
• Good understanding of secure coding, performance optimisation, and software development lifecycle practices.

Ability to work independently as well as part of a distributed project team.

• Languages : Flawless bilingual/native-level business German communications proficiency (C1/C2 level written and spoken) is required. The candidate must present seamlessly in German during the technical panel interview (Anbieterfachgespräch).

Swiss Compliance : Must hold EU/EFTA nationality or possess an active, valid Swiss permanent residency/work card (C Permit or unrestricted B/G Permit).

What We Offer

• Opportunity to work on challenging projects and contribute to the growth of our company
• Collaborative and dynamic work environment
• Professional development and growth opportunities
• Competitive salary and benefits package

Recruitment Process – AI Screening with TARA

• As part of our recruitment process, candidates may be invited to complete an initial AI‑powered screening with TARA, the ALLPS.AI interview agent.

TARA helps us make the hiring process faster, fairer, and more consistent by asking structured, role‑relevant questions based on the job requirements. The interview is designed to understand your experience, skills, motivation, and suitability for the role.

The AI screening interview may include:

• Questions about your professional background and relevant experience
• Role‑specific technical or functional questions
• Questions about your motivation, availability, and communication skills

The interview can usually be completed online in 15-20 minutes at a time that is convenient for you. Your responses will be reviewed as part of the overall selection process, together with your CV, application details, and any follow‑up interviews with the hiring team.

Candidate Experience.:

• We use AI to support the recruitment process, but final hiring decisions are made by people. Human recruiters and hiring managers remain involved in reviewing candidates and making selection decisions.

We are committed to a transparent, respectful, and fair candidate experience. Your data will be handled confidentially and in accordance with applicable data protection requirements.

About Allps

Who We Are : ALLPS is a Switzerland-based technology and AI company focused on building high-quality remote IT teams and AI-powered hiring solutions for global enterprises. Founded in 2017 and headquartered in Zurich, the company operates across Europe, India, and international markets, helping organizations accelerate digital transformation through talent, software, and AI solutions.

What to Expect : After an initial application review, shortlisted candidates go through an AI-powered video screening to assess communication skills, relevant experience, business judgment, and role‑specific expertise. Selected candidates then participate in discussions with the HR and functional teams, followed by a technical or leadership round focused on practical problem‑solving, collaboration, and alignment with our fast‑paced technology‑driven culture. We value clear communication throughout the process and aim to provide candidates with a smooth, professional, and engaging hiring experience from application to onboarding.

Why you will love it here : We are building the future of AI‑powered hiring and remote technology teams. Our culture combines innovation, ownership, collaboration, and continuous learning in a fast‑moving global environment.We believe in empowering people with the freedom to innovate, contribute ideas, and work on impactful projects that shape the future of recruitment and AI technology. Our teams work across international markets, collaborating closely with clients, engineers, product teams, and AI specialists.

Benefits & PerksCompetitive compensation packageRemote work environmentExposure to international clients and projectsOpportunity to work with emerging AI technologies and enterprise SaaS platformsCareer growth and learning opportunitiesHigh‑impact roles with ownership and decision‑making exposureCollaborative and inclusive team cultureWork‑life balance with flexible and outcome‑driven environmentOpportunity to contribute directly to product innovation and company growth

Before you start

This takes about 5 minutes to complete.

Application Matching

We match your CV and responses to the role using AI‑assisted technology.

Video Screening

Some roles include a short AI‑assisted video screening interview. You can complete it right after applying or within the time frame in your confirmation email.

A recruiter or hiring team member reviews every application and video interview — AI supports the process but never makes the final decision.

Mandatory Skills
Microsoft SQL Server .NET Framework PYTHON MYSQL .NET Core .net Framework 4.0 MVC Architecture Good To Have Skills
Oracle Database Docker/Kubernetes Azure App Services Industry
Utilities & Energy Preferred Languages
Deutsch English Work Permit