Lediga jobb Zpark Energy Systems AB i Luleå

You will play a key role in designing, developing, and operating our backend system. You will work closely with our software and firmware teams to build reliable, scalable, and efficient services. Your experience in backend development, hosting environments, and operational tooling will be important in shaping and improving our platform.
What you will do:

Design, develop, and maintain backend services and systems using Go and the Twelve-Factor App methodology.


Design, develop, and maintain DevOps environments and processes; including solutions for CI/CD, release processes, monitoring, and alerting.


Optimize software for performance, efficiency, reliability, and scalability.


Troubleshoot and debug applications to ensure smooth functionality.


Collaborate with front-end developers, firmware engineers, and other stakeholders to deliver high-quality software solutions.


Participate in code reviews and provide constructive feedback to team members.


Your Profile

Minimum of 5 years of experience in backend development.


Experience with Go is a strong advantage. We also welcome candidates with solid backend experience in other typed backend languages.


Experience and familiarity with concurrent and asynchronous programming.


Proven experience with RESTful API design and implementation.


Strong familiarity with Linux-based IT systems and hosting environments. Some familiarity with cloud service providers (AWS, Azure, or Google Cloud) is beneficial.


Experience with distributed systems and cloud-native applications; including common challenges around reliability, coordination, and data consistency.


Strong knowledge of databases (Postgre, Cassandra) and expertise with in-memory caching solutions (Redis or comparable).


Experience with distributed event-streaming and messaging systems, such as Apache Kafka or NATS.


Experience working with version control systems (Git) in collaborative environments, including understanding different workflow strategies and their trade-offs.


Excellent problem-solving skills and attention to detail with the ability to make sound trade-offs based on business needs and technical requirements.


Ability to work independently and as part of a team.


You communicate clearly and are comfortable supporting and mentoring less experienced developers.


Strong communication skills in English (written and spoken); proficiency in Swedish is a plus. Visa mindre

Företag: Grepit AB Plats: Luleå
Grepit AB arbetar med hårdvaru- och mjukvarulösningar i tekniskt avancerade projekt, både för externa kunder och interna utvecklingsinitiativ.
Vi söker nu en erfaren Senior Hardware Engineer som vill bli en del av vårt team. I rollen leder du ett team av utvecklare och arbetar samtidigt hands-on med embedded system och hårdvaruutveckling – från arkitektur och design till test och verifiering.
I rollen:

Leda ett team av utvecklare genom att ge stöd, granska deras arbete samt bidra i tidsestimering och planering


Arbeta både strategiskt och operativt, med fokus på arkitektur, kvalitet och långsiktiga tekniska beslut


Vara en naturlig rådgivare till både utvecklingsteam och projektledning, och en förebild i hur god ingenjörskonst bedrivs


Säkerställa kvalitet i teamets leveranser och implementationer


Ta fram hårdvaruarkitektur på systemnivå och skapa effektiva helhetslösningar


Designa och testa komplexa flerlagerskort (multi-layer PCB), inklusive mixed-signal-konstruktion


Bidra med tekniska idéer och förbättringsförslag – från koncept till implementation och test


Arbeta nära tvärfunktionella team, inklusive hårdvaru-, mjukvaru- och mekanikingenjörer


Rapportera framsteg, resultat och insikter till projektkoordinatorer, intressenter och ledning


Din profil:

Du har gedigen erfarenhet av embedded hardware-utveckling och gillar att arbeta nära både schemanivå och systemnivå


Du är civil- eller högskoleingenjör inom elektroteknik, eller har motsvarande erfarenhet från kvalificerad hårdvaruutveckling


Du har erfarenhet av hårdvaruutveckling för embedded systems eller liknande tekniska områden


Du är van att arbeta i moderna PCB CAD- och simuleringsmiljöer (exempelvis Altium, KiCad eller liknande)


Du har mycket god kommunikationsförmåga och behärskar svenska och engelska flytande i tal och skrift


Meriterande om du även har:

Kunskap inom high-speed design och erfarenhet av layout av high-speed flerlagerskort, inklusive microvia-teknik och impedanskontrollerade ledarbanor


God erfarenhet av PCB-designverktyg och simuleringsmiljöer på avancerad nivå


Kunskap om att designa hårdvara enligt relevanta elsäkerhetsstandarder


Erfarenhet av laboratorieutrustning såsom oscilloskop, spektrumanalysatorer och monteringsmaskiner


Erfarenhet av konstruktion för höga effekter och högspänningsdesign


Erfarenhet av att leda team eller ansvarat för teknisk handledning av kollegor


Vi erbjuder:

En samarbetsdriven och innovativ arbetsmiljö


Möjlighet till karriärutveckling och vidareutveckling inom företaget


Verkligt tekniskt inflytande


Frihet under ansvar


En kultur som värdesätter pragmatisk ingenjörskonst och smarta kompromisser


Så ansöker du: Skicka in ditt CV och personliga brev via formuläret så återkommer vi. Visa mindre

OBS! Location for job is Haparanda.
Role Description
This is a full-time on-site role for a Production Technician at Zpark Energy Systems AB, with production in Haparanda and main office in Luleå. The Production Technician will be responsible for designing and optimizing production systems, identifying and troubleshooting production issues, and developing solutions to streamline and improve manufacturing processes. The Production Technician will also play a key role in process development, implementation, and optimization, and work closely with cross-functional teams to ensure the successful execution of production plans.
Qualifications
Bachelor's degree in Manufacturing Engineering, Industrial Engineering, or similar. Alternative, you have gained similar knowledge from work experience.
Experience in large volume manufacturing
Experience in CAD software, development and productions tools and equipment is meritorious.
Strong analytical and problem-solving skills.
Excellent communication, collaboration, and team working skills.
Good understanding of risk management and quality assurance, experience in Lean Six Sigma, Kaizen is meritorious.
Experience in a manufacturing environment, with knowledge of industry standards and regulatory requirements.
Ability to work effectively in a fast-paced, dynamic environment, and adapt to changing priorities and business needs.
Strong attention to detail, with the ability to maintain high levels of accuracy and quality in work.
Fluency in Swedish and English.
Experience in ERP & MPS systems.
Experience in electronics production and in Circuit testing is meritorious.

What We Offer
Competitive salary and benefits package.
Collaborative and innovative work environment.
Opportunity for growth and development in a dynamic industry. Visa mindre

App developer in a fun and fast-moving tech startup. Are you up to the challenge? We are looking for a new addition to the team that can help us develop exciting new mobile applications from the ground up for our internal and external customer projects. You will work in close collaboration with other engineers and developers.
We believe that suitable candidates have:
Experience designing and building scalable apps using, for example, Flutter
Understanding of Android and iOS development
Team working skills to work closely with the backend engineers
Capability to document features, participate in code reviews and functional testing
Good communication skills in English (written and spoken)
Proven coding experience with programming languages such as Dart, Swift, Kotlin, Java or similar
A keen eye for detail and are passionate about building high-quality mobile applications



It's a plus if you have:
Bachelor or Master Degree in computer science or similar. Alternatively, similar knowledge from work experience
Previous experience working within a team and can work in an agile environment with a focus on continuous integration
Experience building backend applications with technologies like AWS, Python and Node
Experience developing with JavaScript, HTML5, and CSS
Experience with UI/UX Visa mindre

Hardcore engineering and cutting-edge innovation in a fast-moving tech start-up. Interested? Are you up for a challenge? We are now searching for a Senior Hardware Engineer for our electronics engineering team. We’re looking for an experienced hardware developer, preferably with 5+ years of working experience within embedded system development. In this role, you will lead a team of ambitious developers and guide them in their work and daily challenges. While the role will be managerial in nature, you will also be a key part of the embedded system development and work with system designs yourself.
What you'll do:
Lead a team of developers and support and review their work
Develop hardware architecture on system level
Design and test complex and mixed signal multi-layer PCBs.
Bring your experience and ideas into projects and suggest possible solutions from ideation to implementation and testing
Quality assurance on work deliveries and implementations by the team
Collaborate with cross functional teams, hardware and software

Your profile:
Bachelor or master’s degree in electrical engineering or similar. Alternatively, you have gained similar knowledge from work experience.
Preferably 5+ years’ experience of hardware development within embedded systems.
Knowledge of high-speed design techniques and experienced in the layout of high-speed multi-layer PCBs including micro-via technology and controlled impedance traces.
Experience with PCB design tools and simulations environment.
Knowledge of how to design hardware according to standards for electrical safety. Visa mindre

Hardcore engineering and cutting-edge innovation in a fast-moving tech start-up. Interested? Are you up for a challenge? We are now searching for a Test System Development Engineer to build up test system foundations for our battery systems. You will have key role in developing test methods, safety requirements and test processes.
What you'll do
Own and drive the execution of reliability validation tests for battery cells, modules and complete systems.
Design and organize the build of test systems which allow the verification and validation testing according to the system and product requirements
Create test programs to communicate with test equipment
Conduct failure analysis (FA), root cause analysis (RCA) and assist in developing corrective actions
Collaborate with cross functional teams, hardware and software teams

Your profile
Experience of developing test systems for electronic devices operating with high voltage (>500V)
Good knowledge of standard lab equipment such as power supplies, electronic loads, oscilloscopes and DMM’s.
Good knowledge about safety requirements and procedures needed to work with high voltage systems and be comfortable with handling such systems yourself.

It's a plus if you
Have prior experience of testing battery systems in industry applications.

Applications are considered on a rolling basis. Visa mindre

Hardcore engineering and cutting-edge innovation in a fast-moving tech start-up. Interested? Are you up for a challenge? We are now searching for a Senior Mechanical Design Engineer to work in a leading design role in various development projects. In this role, you will lead a team of ambitious engineers and guide them in their work and daily challenges.
What you'll do
Lead a team of engineers and support and review their work
Develop and review mechanical drawings and models with CAD tools
Lead design reviews within the mechanical and structural analysis area and include your findings to create better products
Perform finite element analysis to ensure performance in design
Communication and clarification of technical requirements between internal stakeholders

Your profile
At least 5 years of professional experience in designing mechanical systems and/or industrial equipment.
Proficiency in developing mechanical designs with CAD tools such as Fusion 360, Siemens NX, Catia in a product development environment.
You prefer to work in teams and are comfortable with a fast-paced work environment with tight deadlines.

It's a plus if you also have
Have a MSc or PhD in Mechanical Engineering
Have experience from developing battery systems/high voltage electronics
Have previous experience as team leader or manager

There is a possibility to work from remote office. Visa mindre

Hardcore engineering and cutting-edge innovation in a fast-moving tech start-up. Interested? Are you up for a challenge? We are now searching for a Mechanical Design Engineer for our battery system development team. You will work with various engineering challenges within the mechanical design of battery modules and packs.
What you'll do
Develop battery modules, structures, and packs for stationary battery systems
Develop structures and enclosures for power electronics and climate system components
Perform finite element analysis to ensure performance in design
Present and hold 3D model meetings with technical solutions
Develop and review mechanical drawings and models with CAD tools
Prepare documents and instructions for production and have direct communication with them

Your profile
Experience gained through work or BSC/MSc mechanical engineering or similar
Skills in developing mechanical designs with CAD tools such as Fusion 360, Siemens NX, Catia in a product development environment
You prefer to work in teams and are comfortable with a fast-paced work environment with tight deadlines

It's a plus if you also have
MSc or PhD in Mechanical Engineering
Experience from developing battery systems/high voltage electronics

There is a possibility to work from remote office.
Applications are considered on a rolling basis. Visa mindre