NextRaiseNextRaiseFind jobs
Sign inSign up free
Jobs
5 days ago
Apply with autofill
Apply with autofill
SI
Sia·5 days ago
5 days ago

Senior Software Developer

Brussels, BelgiumFull-timeSenior · 5-8 yearsSoftware Engineer

Sign up free to see how well your resume matches this role.

Boost your chances at Sia

How you compare FREE

?
Your scoreYour score: not yet known
→
79
Top 10%Top 10%: 79 out of 100

Top 10% of NextRaise users matched against Software Engineer roles in Belgium.

Must-have skills for this role

  • python
  • typescript
  • english
  • dutch

PDF or DOCX · no account needed

Apply faster with autofill FREESia uses SmartRecruiters - autofill it instead of retyping.careers.example.com/applyAutofillingFull namePriya SharmaEmailpriya.sharma@example.comPhone+49 30 1234567LocationBerlGet the extension

What you'll do

  • Back-end development: designing, developing and maintaining robust, scalable and secure applications, APIs and system integrations using Python and TypeScript/Node.js, with mainstream frameworks such as Flask, Django, Spring Boot and Express; building data and service layers with tools such as SQLAlchemy, Marshmallow and Alembic; and working with API architectures and integration patterns across distributed systems, including REST and GraphQL
  • Front-end contribution: supporting the implementation of user-facing features and collaborating on interface development when needed, using modern front-end technologies such as TypeScript, React, Angular and Vue.js, along with tooling and frameworks such as Vite, Next.js and Nuxt.js
  • DevOps and software delivery: contributing to CI/CD pipelines, containerized deployments and release processes in GitLab CI/CD, Docker and Kubernetes environments, with attention to code quality, testing, observability and maintainability
  • Big Data and cloud: applying algorithmic knowledge to large-scale data processing using technologies such as Apache Spark, Kafka, Airflow, Flink and Hadoop, and contributing to the design, deployment and operation of cloud-native data platforms across Azure, AWS and GCP, including modern environments such as Databricks, with exposure to scalable storage, compute, orchestration and distributed processing architectures
  • Development and reinforcement of our offer, by contributing to the structuring of our software, data, cloud and AI offerings, building points of view on emerging technologies and helping define relevant solution approaches for our clients
  • Business development, by contributing to need definition and participating in our commercial initiatives, helping translate business needs into modern software, data and AI solution architectures
  • As fast as possible, you will take up team leadership roles and connect with colleagues of all levels.

What they're looking for

  • Master's degree.
  • 3-6 years relevant working experience.
  • Analytical mind, exploring options and able to synthesize into conclusions.
  • You're a fast learner, communicative, flexible and entrepreneurial
  • You have a strong interest in data and AI-related topics, the ability to quickly build expertise in these areas, and you’re excited about helping our clients seize the opportunities they offer.
  • Excellent English, Dutch and French verbal and written skills are required.
  • Passionate about Energy!

Nice to have

  • Java as a nice to have
  • If you also speak German fluently, that’s a great plus!

Summarised by NextRaise from the employer’s description, which follows in full below.

Full description from employer

Company Description

Sia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We’re optimists for change and we help clients initiate, navigate and benefit from transformation. We believe optimism is a force multiplier, helping clients to mitigate downside and maximize opportunity. With expertise across a broad range of sectors and services, our 3,000 consultants serve clients worldwide from 48 locations in 19 countries. Our expertise delivers results. Our optimism transforms outcomes. 

Job Description

As a Senior Software Developer with strong back-end capabilities and a good understanding of front-end development, you will be involved in transformation projects at our clients. You will execute project assignments in software development, modelling and digital transformation environments, with a good deal of business perspective: 

  • Back-end development: designing, developing and maintaining robust, scalable and secure applications, APIs and system integrations using Python and TypeScript/Node.js (Java as a nice to have), with mainstream frameworks such as Flask, Django, Spring Boot and Express; building data and service layers with tools such as SQLAlchemy, Marshmallow and Alembic; and working with API architectures and integration patterns across distributed systems, including REST and GraphQL 

  • Front-end contribution: supporting the implementation of user-facing features and collaborating on interface development when needed, using modern front-end technologies such as TypeScript, React, Angular and Vue.js, along with tooling and frameworks such as Vite, Next.js and Nuxt.js 

  • DevOps and software delivery: contributing to CI/CD pipelines, containerized deployments and release processes in GitLab CI/CD, Docker and Kubernetes environments, with attention to code quality, testing, observability and maintainability 

  • Big Data and cloud: applying algorithmic knowledge to large-scale data processing using technologies such as Apache Spark, Kafka, Airflow, Flink and Hadoop, and contributing to the design, deployment and operation of cloud-native data platforms across Azure, AWS and GCP, including modern environments such as Databricks, with exposure to scalable storage, compute, orchestration and distributed processing architectures 

You will get the opportunity to actively contribute to Sia’s internal activities: 

  • Development and reinforcement of our offer, by contributing to the structuring of our software, data, cloud and AI offerings, building points of view on emerging technologies and helping define relevant solution approaches for our clients 

  • Business development, by contributing to need definition and participating in our commercial initiatives, helping translate business needs into modern software, data and AI solution architectures 

As fast as possible, you will take up team leadership roles and connect with colleagues of all levels. 

Equipped with an entrepreneurial fibre, you are ready to cooperate in a fast-growing company. 

 

Qualifications

  • You have a Master's degree.
  • You have 3-6 years relevant working experience.
  • Analytical mind, exploring options and able to synthesize into conclusions.
  • You're a fast learner, communicative, flexible and entrepreneurial
  • You have a strong interest in data and AI-related topics, the ability to quickly build expertise in these areas, and you’re excited about helping our clients seize the opportunities they offer.
  • Excellent English, Dutch and French verbal and written skills are required. If you also speak German fluently, that’s a great plus!
  • Passionate about Energy!

    What do we offer?
  • An international company that gives importance to diversity, inclusion, employee well-being and corporate social responsibility actions 

  • A great working atmosphere with friendly and professional colleagues where innovation and entrepreneurship are encouraged 

  • A personal development plan with regular follow-up, as well as training opportunities to develop yourself 

  • A competitive salary with great advantages, like a mobility budget or company car, hospital insurance, performance-related bonus, etc. 

Additional Information

We are unable to provide a work permit for this position

 

Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs. 

Company

SI
Sia
Brussels, Belgium

Company facts come from this company's own listings. We only show what the postings themselves carry.

Sourced from Sia's careers site·first seen 22 Sept 2026·last verified 22 Sept 2026·How we source jobs

Similar jobs

  • Senior Software Engineer (m/f/d) - Identity Access Management Specialist at SoficoZwijnaarde, Belgium–match not yet calculated
  • Software Engineer (m/f/d) - Backend Java at SoficoZwijnaarde, Belgium–match not yet calculated
  • Junior Software Developer at usMons, Belgium–match not yet calculated
  • Senior Software Engineer, Add-Ons at mozillaRemote Belgium–match not yet calculated
  • Freelance Dutch Linguist - IT & Software Project at acclaroBelgium–match not yet calculated

Browse more jobs

  • Software Engineer jobs in United States
  • Software Engineer jobs in India
  • Software Engineer jobs in United Kingdom
  • Retail Sales Associate jobs in United States